fix: copy link not working in in-context discussion

feat: added delay in post preview to avoid flashing of content
fix: topic info is fixed from posts in incontext discussions (#433 )
2023-02-16 12:10:12 +05:00 · 2023-02-15 17:06:48 +05:00 · 2023-02-14 18:17:53 +05:00 · 2023-02-14 17:35:37 +05:00 · 2023-02-13 16:37:28 +05:00 · 2023-02-13 15:02:47 +05:00
170 changed files with 6092 additions and 3910 deletions
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -0,0 +1,24 @@
+### Description
+
+Include a description of your changes here, along with a link to any relevant Jira tickets and/or GitHub issues.
+
+#### How Has This Been Tested?
+
+Please describe in detail how you tested your changes.
+
+#### Screenshots/sandbox (optional):
+Include a link to the sandbox for design changes or screenshot for before and after. **Remove this section if it's not applicable.**
+
+|Before|After|
+|-------|-----|
+|      |      |
+
+#### Merge Checklist
+
+* [ ] If your update includes visual changes, have they been reviewed by a designer? Send them a link to the Sandbox, if applicable.
+* [ ] Is there adequate test coverage for your changes?
+
+#### Post-merge Checklist
+
+* [ ] Deploy the changes to prod after verifying on stage or ask **@openedx/edx-infinity** to do it. 
+* [ ] 🎉 🙌 Celebrate! Thanks for your contribution.
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,4 +34,4 @@ jobs:
    - name: i18n_extract
      run: npm run i18n_extract
    - name: Coverage
-      uses: codecov/codecov-action@v2
+      uses: codecov/codecov-action@v3
--- a/README.rst
+++ b/README.rst
@@ -1,16 +1,15 @@
-|Build Status| |Codecov| |license|
-
 frontend-app-discussions
 ========================

-Please tag **@edx/fedx-team** on any PRs or issues.  Thanks.
+|Build Status| |Codecov| |license|

-Introduction
------------
+Purpose
+-------

 This repository is a React-based micro frontend for the Open edX discussion forums.

-**Installation and Startup**
+Getting Started
+---------------

 1. Clone your new repo:

@@ -26,6 +25,44 @@ This repository is a React-based micro frontend for the Open edX discussion foru

 The dev server is running at `http://localhost:2002 <http://localhost:2002>`_.

+Getting Help
+------------
+Please tag **@openedx/edx-infinity ** on any PRs or issues.  Thanks.
+
+If you're having trouble, we have discussion forums at https://discuss.openedx.org where you can connect with others in the community.
+For anything non-trivial, the best path is to open an issue in this repository with as many details about the issue you are facing as you can provide.
+
+https://github.com/openedx/frontend-app-discussions/issues
+
+For more information about these options, see the `Getting Help`_ page.
+
+.. _Getting Help: https://openedx.org/getting-help
+
+How to Contribute
+-----------------
+Details about how to become a contributor to the Open edX project may be found in the wiki at `How to contribute`_
+
+.. _How to contribute: https://edx.readthedocs.io/projects/edx-developer-guide/en/latest/process/index.html
+
+PR description template should be automatically applied if you are sending PR from github interface; otherwise you
+can find it it at `PULL_REQUEST_TEMPLATE.md <https://github.com/openedx/frontend-app-discussions/blob/master/.github/pull_request_template.md>`_
+
+This project is currently accepting all types of contributions, bug fixes and security fixes
+
+The Open edX Code of Conduct
+----------------------------
+All community members should familiarize themselves with the `Open edX Code of Conduct`_.
+
+.. _Open edX Code of Conduct: https://openedx.org/code-of-conduct/
+
+People
+------
+The assigned maintainers for this component and other project details may be found in Backstage or from inspecting catalog-info.yaml.
+
+Reporting Security Issues
+-------------------------
+Please do not report security issues in public. Please email security@edx.org.
+
 Project Structure
 -----------------

@@ -48,4 +85,4 @@ Please see `edx/frontend-platform's i18n module <https://edx.github.io/frontend-
 .. |Codecov| image:: https://codecov.io/gh/edx/frontend-app-discussions/branch/master/graph/badge.svg
   :target: https://codecov.io/gh/edx/frontend-app-discussions
 .. |license| image:: https://img.shields.io/npm/l/@edx/frontend-app-discussions.svg
-   :target: @edx/frontend-app-discussions
+   :target: @edx/frontend-app-discussions
--- a/catalog-info.yaml
+++ b/catalog-info.yaml
@@ -0,0 +1,18 @@
+# This file records information about this repo. Its use is described in OEP-55:
+# https://open-edx-proposals.readthedocs.io/en/latest/processes/oep-0055-proc-project-maintainers.html
+
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: 'frontend-app-discussions'
+  description: "The discussion forum for openEdx discussions"
+  links:
+    - url: "https://github.com/openedx/frontend-app-discussions"
+      title: "Frontend app discussions"
+      icon: "Web"
+  annotations:
+    openedx.org/arch-interest-groups: ""
+spec:
+  owner: group:edx-infinity
+  type: 'website'
+  lifecycle: 'production'
--- a/package-lock.json
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-          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
-          "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
-          "dev": true
-        },
-        "mute-stream": {
-          "version": "0.0.7",
-          "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
-          "integrity": "sha512-r65nCZhrbXXb6dXOACihYApHw2Q6pV0M3V0PSxd74N0+D8nzAdEAITq2oAjA1jVnKI+tGvEBUpqiMh0+rW6zDQ==",
-          "dev": true
-        },
-        "onetime": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
-          "integrity": "sha512-oyyPpiMaKARvvcgip+JV+7zci5L8D1W9RZIz2l1o08AM3pfspitVWnPt3mzHcBPp12oYMTy0pqrFs/C+m3EwsQ==",
-          "dev": true,
-          "requires": {
-            "mimic-fn": "^1.0.0"
-          }
-        },
-        "restore-cursor": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
-          "integrity": "sha512-6IzJLuGi4+R14vwagDHX+JrXmPVtPpn4mffDJ1UdR7/Edm87fl6yi8mMBIVvFtJaNTUvjughmW4hwLhRG7gC1Q==",
-          "dev": true,
-          "requires": {
-            "onetime": "^2.0.0",
-            "signal-exit": "^3.0.2"
-          }
-        },
-        "string-width": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
-          "dev": true,
-          "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
-          },
-          "dependencies": {
-            "strip-ansi": {
-              "version": "4.0.0",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-              "integrity": "sha512-4XaJ2zQdCzROZDivEVIDPkcQn8LMFSa8kj8Gxb/Lnwzv9A8VctNZ+lfivC/sV3ivW8ElJTERXZoPBRrZKkNKow==",
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^3.0.0"
-              }
-            }
-          }
-        }
-      }
-    },
    "tapable": {
      "version": "2.2.1",
      "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.2.1.tgz",
@@ -47130,19 +45977,6 @@
        "xtend": "^4.0.0"
      }
    },
-    "teeny-request": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-7.1.1.tgz",
-      "integrity": "sha512-iwY6rkW5DDGq8hE2YgNQlKbptYpY5Nn2xecjQiNjOXWbKzPGUfmeUBCSQbbr306d7Z7U2N0TPl+/SwYRfua1Dg==",
-      "dev": true,
-      "requires": {
-        "http-proxy-agent": "^4.0.0",
-        "https-proxy-agent": "^5.0.0",
-        "node-fetch": "^2.6.1",
-        "stream-events": "^1.0.5",
-        "uuid": "^8.0.0"
-      }
-    },
    "temp-dir": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/temp-dir/-/temp-dir-1.0.0.tgz",
@@ -47221,12 +46055,6 @@
        "minimatch": "^3.0.4"
      }
    },
-    "text-hex": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
-      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg==",
-      "dev": true
-    },
    "text-table": {
      "version": "0.2.0",
      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -47402,12 +46230,6 @@
        "escape-string-regexp": "^1.0.2"
      }
    },
-    "triple-beam": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",
-      "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw==",
-      "dev": true
-    },
    "tryer": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/tryer/-/tryer-1.0.1.tgz",
@@ -47653,12 +46475,6 @@
        }
      }
    },
-    "untildify": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/untildify/-/untildify-3.0.3.tgz",
-      "integrity": "sha512-iSk/J8efr8uPT/Z4eSUywnqyrQU7DSdMfdqK4iWEaUVVmcP5JcnpRqmVMwcwcnmI1ATFNgC5V90u09tBynNFKA==",
-      "dev": true
-    },
    "uri-js": {
      "version": "4.4.1",
      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
@@ -47701,15 +46517,6 @@
      "dev": true,
      "optional": true
    },
-    "urlgrey": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-1.0.0.tgz",
-      "integrity": "sha512-hJfIzMPJmI9IlLkby8QrsCykQ+SXDeO2W5Q9QTW3QpqZVTx4a/K7p8/5q+/isD8vsbVaFgql/gvAoQCRQ2Cb5w==",
-      "dev": true,
-      "requires": {
-        "fast-url-parser": "^1.1.3"
-      }
-    },
    "use": {
      "version": "3.1.1",
      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
@@ -48410,60 +47217,6 @@
      "integrity": "sha512-JcKqAHLPxcdb9KM49dufGXn2x3ssnfjbcaQdLlfZsL9rH9wgDQjUtDxbo8NE0F6SFvydeu1VhZe7hZuHsB2/pw==",
      "dev": true
    },
-    "winston": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/winston/-/winston-3.2.1.tgz",
-      "integrity": "sha512-zU6vgnS9dAWCEKg/QYigd6cgMVVNwyTzKs81XZtTFuRwJOcDdBg7AU0mXVyNbs7O5RH2zdv+BdNZUlx7mXPuOw==",
-      "dev": true,
-      "requires": {
-        "async": "^2.6.1",
-        "diagnostics": "^1.1.1",
-        "is-stream": "^1.1.0",
-        "logform": "^2.1.1",
-        "one-time": "0.0.4",
-        "readable-stream": "^3.1.1",
-        "stack-trace": "0.0.x",
-        "triple-beam": "^1.3.0",
-        "winston-transport": "^4.3.0"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "3.6.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
-          "dev": true,
-          "requires": {
-            "inherits": "^2.0.3",
-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
-      }
-    },
-    "winston-transport": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.5.0.tgz",
-      "integrity": "sha512-YpZzcUzBedhlTAfJg6vJDlyEai/IFMIVcaEZZyl3UXIl4gmqRpU7AE89AHLkbzLUsv0NVmw7ts+iztqKxxPW1Q==",
-      "dev": true,
-      "requires": {
-        "logform": "^2.3.2",
-        "readable-stream": "^3.6.0",
-        "triple-beam": "^1.3.0"
-      },
-      "dependencies": {
-        "readable-stream": {
-          "version": "3.6.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
-          "dev": true,
-          "requires": {
-            "inherits": "^2.0.3",
-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
-      }
-    },
    "word-wrap": {
      "version": "1.2.3",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
--- a/package.json
+++ b/package.json
@@ -43,13 +43,13 @@
    "babel-polyfill": "6.26.0",
    "classnames": "2.3.1",
    "core-js": "3.21.1",
+    "dompurify": "^2.4.3",
    "formik": "2.2.9",
    "lodash.snakecase": "4.1.1",
    "prop-types": "15.8.1",
    "raw-loader": "4.0.2",
    "react": "16.14.0",
    "react-dom": "16.14.0",
-    "react-mathjax-preview": "2.2.6",
    "react-redux": "7.2.6",
    "react-router": "5.2.1",
    "react-router-dom": "5.3.0",
@@ -68,8 +68,6 @@
    "@testing-library/user-event": "13.5.0",
    "axios-mock-adapter": "1.20.0",
    "babel-plugin-react-intl": "8.2.25",
-    "codecov": "3.8.3",
-    "es-check": "6.2.1",
    "eslint-plugin-simple-import-sort": "7.0.0",
    "glob": "7.2.0",
    "husky": "7.0.4",
--- a/public/index.html
+++ b/public/index.html
@@ -9,6 +9,43 @@
      href="<%=htmlWebpackPlugin.options.FAVICON_URL%>"
      type="image/x-icon"
    />
+    <script>
+      window.MathJax = {
+        tex: {
+          inlineMath: [
+            ['$', '$'],
+            ['\\\\(', '\\\\)'],
+            ['\\(', '\\)'],
+            ['[mathjaxinline]', '[/mathjaxinline]'],
+            ['\\begin{math}', '\\end{math}'],
+          ],
+          displayMath: [
+            ['[mathjax]', '[/mathjax]'],
+            ['$$', '$$'],
+            ['\\\\[', '\\\\]'],
+            ['\\[', '\\]'],
+            ['\\begin{displaymath}', '\\end{displaymath}'],
+            ['\\begin{equation}', '\\end{equation}'],
+          ],
+          processEscapes: true,
+          processEnvironments: true,
+          autoload: {
+            color: [],
+            colorv2: ['color']
+          },
+          packages: {'[+]': ['noerrors']}
+        },
+        options: {
+          ignoreHtmlClass: 'tex2jax_ignore',
+          processHtmlClass: 'tex2jax_process'
+        },
+        loader: {
+          load: ['input/asciimath', '[tex]/noerrors']
+        }
+      };
+    </script>
+    <script async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js" id="MathJax-script"></script>
+
  </head>
  <body>
    <div id="root" class="small"></div>
--- a/src/components/FilterBar.jsx
+++ b/src/components/FilterBar.jsx
@@ -120,28 +120,27 @@ function FilterBar({
          <div className="d-flex flex-row py-2 justify-content-between">
            {filters.map((value) => (
              <Form.RadioSet
+                key={value.name}
                name={value.name}
                className="d-flex flex-column list-group list-group-flush"
                value={selectedFilters[value.name]}
                onChange={onFilterChange}
              >
-                {
-                  value.filters.map(filterName => {
-                    const element = allFilters.find(obj => obj.id === filterName);
-                    if (element) {
-                      return (
-                        <ActionItem
-                          id={element.id}
-                          label={element.label}
-                          value={element.value}
-                          selected={selectedFilters[value.name]}
-                        />
-                      );
-                    }
-                    return false;
-                  })
-                }
-
+                {value.filters.map(filterName => {
+                  const element = allFilters.find(obj => obj.id === filterName);
+                  if (element) {
+                    return (
+                      <ActionItem
+                        key={element.id}
+                        id={element.id}
+                        label={element.label}
+                        value={element.value}
+                        selected={selectedFilters[value.name]}
+                      />
+                    );
+                  }
+                  return false;
+                })}
              </Form.RadioSet>
            ))}
          </div>
--- a/src/components/HTMLLoader.jsx
+++ b/src/components/HTMLLoader.jsx
@@ -1,53 +1,42 @@
-import React from 'react';
+import React, { useEffect, useRef } from 'react';
 import PropTypes from 'prop-types';

-import MathJax from 'react-mathjax-preview';
+import DOMPurify from 'dompurify';

-const baseConfig = {
-  showMathMenu: true,
-  tex2jax: {
-    inlineMath: [
-      ['$', '$'],
-      ['\\\\(', '\\\\)'],
-      ['\\(', '\\)'],
-      ['[mathjaxinline]', '[/mathjaxinline]'],
-      ['\\begin{math}', '\\end{math}'],
-    ],
-    displayMath: [
-      ['[mathjax]', '[/mathjax]'],
-      ['$$', '$$'],
-      ['\\\\[', '\\\\]'],
-      ['\\[', '\\]'],
-      ['\\begin{displaymath}', '\\end{displaymath}'],
-      ['\\begin{equation}', '\\end{equation}'],
-    ],
-  },
+import { logError } from '@edx/frontend-platform/logging';

-  skipStartupTypeset: true,
+import { useDebounce } from '../discussions/data/hooks';
+
+const defaultSanitizeOptions = {
+  USE_PROFILES: { html: true },
+  ADD_ATTR: ['columnalign'],
 };

-function HTMLLoader({ htmlNode, componentId, cssClassName }) {
-  const isLatex = htmlNode.match(/(\${1,2})((?:\\.|.)*)\1/)
-                  || htmlNode.match(/(\[mathjax](.+?)\[\/mathjax])+/)
-                  || htmlNode.match(/(\[mathjaxinline](.+?)\[\/mathjaxinline])+/)
-                  || htmlNode.match(/(\\begin\{math}(.+?)\\end\{math})+/)
-                  || htmlNode.match(/(\\begin\{displaymath}(.+?)\\end\{displaymath})+/)
-                  || htmlNode.match(/(\\begin\{equation}(.+?)\\end\{equation})+/)
-                  || htmlNode.match(/(\\\[(.+?)\\\])+/)
-                  || htmlNode.match(/(\\\((.+?)\\\))+/);
+function HTMLLoader({
+  htmlNode, componentId, cssClassName, testId,
+}) {
+  const sanitizedMath = DOMPurify.sanitize(htmlNode, { ...defaultSanitizeOptions });
+  const previewRef = useRef();
+
+  const debouncedPostContent = useDebounce(htmlNode, 500);
+
+  useEffect(() => {
+    let promise = Promise.resolve(); // Used to hold chain of typesetting calls
+    function typeset(code) {
+      promise = promise.then(() => window.MathJax?.typesetPromise(code()))
+        .catch((err) => logError(`Typeset failed: ${err.message}`));
+      return promise;
+    }
+    if (debouncedPostContent) {
+      typeset(() => {
+        previewRef.current.innerHTML = sanitizedMath;
+      });
+    }
+  }, [debouncedPostContent]);

  return (
-    isLatex ? (
-      <MathJax
-        math={htmlNode}
-        id={componentId}
-        className={cssClassName}
-        sanitizeOptions={{ USE_PROFILES: { html: true } }}
-        config={baseConfig}
-      />
-    )
-      // eslint-disable-next-line react/no-danger
-      : <div className={cssClassName} id={componentId} dangerouslySetInnerHTML={{ __html: htmlNode }} />
+    <div ref={previewRef} className={cssClassName} id={componentId} data-testid={testId} />
+
  );
 }

@@ -55,12 +44,14 @@ HTMLLoader.propTypes = {
  htmlNode: PropTypes.node,
  componentId: PropTypes.string,
  cssClassName: PropTypes.string,
+  testId: PropTypes.string,
 };

 HTMLLoader.defaultProps = {
  htmlNode: '',
  componentId: null,
  cssClassName: '',
+  testId: '',
 };

 export default HTMLLoader;
--- a/src/components/NavigationBar/data/api.js
+++ b/src/components/NavigationBar/data/api.js
@@ -2,7 +2,7 @@
 import { camelCaseObject } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';

-import { API_BASE_URL } from '../../../data/constants';
+import { getApiBaseUrl } from '../../../data/constants';

 function normalizeCourseHomeCourseMetadata(metadata, rootSlug) {
  const data = camelCaseObject(metadata);
@@ -21,7 +21,7 @@ function normalizeCourseHomeCourseMetadata(metadata, rootSlug) {
 }

 export async function getCourseHomeCourseMetadata(courseId, rootSlug) {
-  const url = `${API_BASE_URL}/api/course_home/course_metadata/${courseId}`;
+  const url = `${getApiBaseUrl()}/api/course_home/course_metadata/${courseId}`;
  // don't know the context of adding timezone in url. hence omitting it
  // url = appendBrowserTimezoneToUrl(url);
  const { data } = await getAuthenticatedHttpClient().get(url);
--- a/src/components/NavigationBar/data/selectors.js
+++ b/src/components/NavigationBar/data/selectors.js
@@ -0,0 +1,3 @@
+/* eslint-disable import/prefer-default-export */
+
+export const selectCourseTabs = state => state.courseTabs;
--- a/src/components/PostPreviewPane.jsx
+++ b/src/components/PostPreviewPane.jsx
@@ -29,17 +29,17 @@ function PostPreviewPane({
            className="float-right p-3"
            iconClassNames="icon-size"
          />
-          <HTMLLoader htmlNode={htmlNode} cssClassName="text-primary" />
+          <HTMLLoader htmlNode={htmlNode} cssClassName="text-primary" componentId="post-preview" testId="post-preview" />
        </div>
      )}
      <div className="d-flex justify-content-end">
-        {!showPreviewPane
-        && (
+        {!showPreviewPane && (
          <Button
            variant="link"
-            size="md"
+            size="sm"
            onClick={() => setShowPreviewPane(true)}
-            className={`text-primary-500 px-0 ${editExisting && 'mb-4.5'}`}
+            className={`text-primary-500 font-style p-0 ${editExisting && 'mb-4.5'}`}
+            style={{ lineHeight: '26px' }}
          >
            {intl.formatMessage(messages.showPreviewButton)}
          </Button>
--- a/src/components/TinyMCEEditor.jsx
+++ b/src/components/TinyMCEEditor.jsx
@@ -32,6 +32,7 @@ import 'tinymce/plugins/lists';
 import 'tinymce/plugins/emoticons';
 import 'tinymce/plugins/emoticons/js/emojis';
 import 'tinymce/plugins/charmap';
+import 'tinymce/plugins/paste';
 /* eslint import/no-webpack-loader-syntax: off */
 // eslint-disable-next-line import/no-unresolved
 import edxBrandCss from '!!raw-loader!sass-loader!../index.scss';
@@ -100,12 +101,13 @@ export default function TinyMCEEditor(props) {
          skin: false,
          menubar: false,
          branding: false,
+          paste_data_images: false,
          contextmenu: false,
          browser_spellcheck: true,
          a11y_advanced_options: true,
          autosave_interval: '1s',
          autosave_restore_when_empty: false,
-          plugins: 'autoresize autosave codesample link lists image imagetools code emoticons charmap',
+          plugins: 'autoresize autosave codesample link lists image imagetools code emoticons charmap paste',
          toolbar: 'undo redo'
                      + ' | formatselect | bold italic underline'
                      + ' | link blockquote openedx_code image'
@@ -117,6 +119,8 @@ export default function TinyMCEEditor(props) {
          content_css: false,
          content_style: contentStyle,
          body_class: 'm-2 text-editor',
+          convert_urls: false,
+          relative_urls: false,
          default_link_target: '_blank',
          target_list: false,
          images_upload_handler: uploadHandler,
--- a/src/data/api.js
+++ b/src/data/api.js
@@ -1,9 +1,9 @@
 /* eslint-disable import/prefer-default-export */
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';

-import { API_BASE_URL } from './constants';
+import { getApiBaseUrl } from './constants';

-export const blocksAPIURL = `${API_BASE_URL}/api/courses/v1/blocks/`;
+export const getBlocksAPIURL = () => `${getApiBaseUrl()}/api/courses/v1/blocks/`;
 export async function getCourseBlocks(courseId, username) {
  const params = {
    course_id: courseId,
@@ -14,6 +14,6 @@ export async function getCourseBlocks(courseId, username) {
    student_view_data: 'discussion',
  };
  const { data } = await getAuthenticatedHttpClient()
-    .get(blocksAPIURL, { params });
+    .get(getBlocksAPIURL(), { params });
  return data;
 }
--- a/src/data/constants.js
+++ b/src/data/constants.js
@@ -1,6 +1,6 @@
 import { getConfig } from '@edx/frontend-platform';

-export const API_BASE_URL = getConfig().LMS_BASE_URL;
+export const getApiBaseUrl = () => getConfig().LMS_BASE_URL;

 /**
 * Enum for thread types.
@@ -190,6 +190,8 @@ export const Routes = {
    CATEGORY: `${BASE_PATH}/category/:category`,
    CATEGORY_POST: `${BASE_PATH}/category/:category/posts/:postId`,
    TOPIC: `${BASE_PATH}/topics/:topicId`,
+    TOPIC_POST: `${BASE_PATH}/topics/:topicId/posts/:postId`,
+    TOPIC_POST_EDIT: `${BASE_PATH}/topics/:topicId/posts/:postId/edit`,
  },
 };

--- a/src/data/redux.test.js
+++ b/src/data/redux.test.js
@@ -7,10 +7,11 @@ import { initializeMockApp } from '@edx/frontend-platform/testing';
 import { initializeStore } from '../store';
 import { executeThunk } from '../test-utils';
 import { getBlocksAPIResponse } from './__factories__';
-import { blocksAPIURL } from './api';
+import { getBlocksAPIURL } from './api';
 import { RequestStatus } from './constants';
 import { fetchCourseBlocks } from './thunks';

+const blocksAPIURL = getBlocksAPIURL();
 const courseId = 'course-v1:edX+DemoX+Demo_Course';

 let axiosMock;
--- a/src/data/selectors.js
+++ b/src/data/selectors.js
@@ -38,12 +38,6 @@ export const selectTopicsUnderCategory = createSelector(
  ),
 );

-export const selectSequences = createSelector(
-  selectChapters,
-  selectBlocks,
-  (chapterIds, blocks) => chapterIds?.flatMap(cId => blocks[cId].children.map(seqId => blocks[seqId])) || [],
-);
-
 export const selectArchivedTopics = createSelector(
  state => state.topics.topics,
  state => state.topics.archivedIds || [],
--- a/src/discussions/cohorts/data/api.js
+++ b/src/discussions/cohorts/data/api.js
@@ -6,9 +6,7 @@ ensureConfig([
  'LMS_BASE_URL',
 ], 'Comments API service');

-const apiBaseUrl = getConfig().LMS_BASE_URL;
-
-export const getCohortsApiUrl = courseId => `${apiBaseUrl}/api/cohorts/v1/courses/${courseId}/cohorts/`;
+export const getCohortsApiUrl = courseId => `${getConfig().LMS_BASE_URL}/api/cohorts/v1/courses/${courseId}/cohorts/`;

 export async function getCourseCohorts(courseId) {
  const params = snakeCaseObject({ courseId });
--- a/src/discussions/comments/CommentsView.jsx
+++ b/src/discussions/comments/CommentsView.jsx
@@ -1,230 +0,0 @@
-import React, { useContext, useEffect, useMemo } from 'react';
-import PropTypes from 'prop-types';
-
-import classNames from 'classnames';
-import { useDispatch, useSelector } from 'react-redux';
-import { useParams } from 'react-router';
-import { useHistory, useLocation } from 'react-router-dom';
-
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import {
-  Button, Icon, IconButton, Spinner,
-} from '@edx/paragon';
-import { ArrowBack } from '@edx/paragon/icons';
-
-import {
-  EndorsementStatus, PostsPages, ThreadType,
-} from '../../data/constants';
-import { useDispatchWithState } from '../../data/hooks';
-import { DiscussionContext } from '../common/context';
-import { useIsOnDesktop } from '../data/hooks';
-import { Post } from '../posts';
-import { selectThread } from '../posts/data/selectors';
-import { fetchThread, markThreadAsRead } from '../posts/data/thunks';
-import { discussionsPath, filterPosts } from '../utils';
-import { selectThreadComments, selectThreadCurrentPage, selectThreadHasMorePages } from './data/selectors';
-import { fetchThreadComments } from './data/thunks';
-import { Comment, ResponseEditor } from './comment';
-import messages from './messages';
-
-function usePost(postId) {
-  const dispatch = useDispatch();
-  const thread = useSelector(selectThread(postId));
-
-  useEffect(() => {
-    if (thread && !thread.read) {
-      dispatch(markThreadAsRead(postId));
-    }
-  }, [postId]);
-
-  return thread;
-}
-
-function usePostComments(postId, endorsed = null) {
-  const [isLoading, dispatch] = useDispatchWithState();
-  const comments = useSelector(selectThreadComments(postId, endorsed));
-  const hasMorePages = useSelector(selectThreadHasMorePages(postId, endorsed));
-  const currentPage = useSelector(selectThreadCurrentPage(postId, endorsed));
-  const handleLoadMoreResponses = async () => dispatch(fetchThreadComments(postId, {
-    endorsed,
-    page: currentPage + 1,
-  }));
-  useEffect(() => {
-    dispatch(fetchThreadComments(postId, {
-      endorsed,
-      page: 1,
-    }));
-  }, [postId]);
-  return {
-    comments,
-    hasMorePages,
-    isLoading,
-    handleLoadMoreResponses,
-  };
-}
-
-function DiscussionCommentsView({
-  postType,
-  postId,
-  intl,
-  endorsed,
-  isClosed,
-}) {
-  const {
-    comments,
-    hasMorePages,
-    isLoading,
-    handleLoadMoreResponses,
-  } = usePostComments(postId, endorsed);
-  const sortedComments = useMemo(() => [...filterPosts(comments, 'endorsed'),
-    ...filterPosts(comments, 'unendorsed')], [comments]);
-
-  return (
-    <>
-      {((hasMorePages && isLoading) || !isLoading)
-      && (
-      <div className="mx-4 text-primary-700" role="heading" aria-level="2" style={{ lineHeight: '28px' }}>
-        {endorsed === EndorsementStatus.ENDORSED
-          ? intl.formatMessage(messages.endorsedResponseCount, { num: sortedComments.length })
-          : intl.formatMessage(messages.responseCount, { num: sortedComments.length })}
-      </div>
-      )}
-
-      <div className="mx-4" role="list">
-        {sortedComments.map(comment => (
-          <Comment comment={comment} key={comment.id} postType={postType} isClosedPost={isClosed} />
-        ))}
-        {hasMorePages && !isLoading && (
-          <Button
-            onClick={handleLoadMoreResponses}
-            variant="link"
-            block="true"
-            className="card p-4 mb-4 font-weight-500 font-size-14"
-            style={{
-              lineHeight: '20px',
-            }}
-            data-testid="load-more-comments"
-          >
-            {intl.formatMessage(messages.loadMoreResponses)}
-          </Button>
-        )}
-        {isLoading
-        && (
-          <div className="card my-4 p-4 d-flex align-items-center">
-            <Spinner animation="border" variant="primary" />
-          </div>
-        )}
-        {!!sortedComments.length && !isClosed
-          && <ResponseEditor postId={postId} addWrappingDiv />}
-      </div>
-    </>
-
-  );
-}
-
-DiscussionCommentsView.propTypes = {
-  postId: PropTypes.string.isRequired,
-  postType: PropTypes.string.isRequired,
-  isClosed: PropTypes.bool.isRequired,
-  intl: intlShape.isRequired,
-  endorsed: PropTypes.oneOf([
-    EndorsementStatus.ENDORSED, EndorsementStatus.UNENDORSED, EndorsementStatus.DISCUSSION,
-  ]).isRequired,
-};
-
-function CommentsView({ intl }) {
-  const { postId } = useParams();
-  const thread = usePost(postId);
-  const dispatch = useDispatch();
-  const history = useHistory();
-  const location = useLocation();
-  const isOnDesktop = useIsOnDesktop();
-  const {
-    courseId, learnerUsername, category, topicId, page, inContext,
-  } = useContext(DiscussionContext);
-
-  if (!thread) {
-    dispatch(fetchThread(postId, true));
-    return (
-      <Spinner animation="border" variant="primary" data-testid="loading-indicator" />
-    );
-  }
-
-  return (
-    <>
-      {!isOnDesktop && (
-        inContext ? (
-          <>
-            <div className="px-4 py-1.5 bg-white">
-              <Button
-                variant="plain"
-                className="px-0 font-weight-light text-primary-500"
-                iconBefore={ArrowBack}
-                onClick={() => history.push(discussionsPath(PostsPages[page], {
-                  courseId, learnerUsername, category, topicId,
-                })(location))}
-                size="sm"
-              >
-                {intl.formatMessage(messages.backAlt)}
-              </Button>
-            </div>
-            <div className="border-bottom border-light-400" />
-          </>
-        ) : (
-          <IconButton
-            src={ArrowBack}
-            iconAs={Icon}
-            style={{ padding: '18px' }}
-            size="inline"
-            className="ml-4 mt-4"
-            onClick={() => history.push(discussionsPath(PostsPages[page], {
-              courseId, learnerUsername, category, topicId,
-            })(location))}
-            alt={intl.formatMessage(messages.backAlt)}
-          />
-        )
-      )}
-      <div className={classNames('discussion-comments d-flex flex-column card', {
-        'm-4 p-4.5': !inContext,
-        'p-4 rounded-0 border-0 mb-4': inContext,
-      })}
-      >
-        <Post post={thread} />
-        {!thread.closed && <ResponseEditor postId={postId} /> }
-      </div>
-      {thread.type === ThreadType.DISCUSSION && (
-        <DiscussionCommentsView
-          postId={postId}
-          intl={intl}
-          postType={thread.type}
-          endorsed={EndorsementStatus.DISCUSSION}
-          isClosed={thread.closed}
-        />
-      )}
-      {thread.type === ThreadType.QUESTION && (
-        <>
-          <DiscussionCommentsView
-            postId={postId}
-            intl={intl}
-            postType={thread.type}
-            endorsed={EndorsementStatus.ENDORSED}
-            isClosed={thread.closed}
-          />
-          <DiscussionCommentsView
-            postId={postId}
-            intl={intl}
-            postType={thread.type}
-            endorsed={EndorsementStatus.UNENDORSED}
-            isClosed={thread.closed}
-          />
-        </>
-      )}
-    </>
-  );
-}
-
-CommentsView.propTypes = {
-  intl: intlShape.isRequired,
-};
-
-export default injectIntl(CommentsView);
--- a/src/discussions/comments/comment-icons/CommentIcons.jsx
+++ b/src/discussions/comments/comment-icons/CommentIcons.jsx
@@ -1,44 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-
-import { useDispatch } from 'react-redux';
-import * as timeago from 'timeago.js';
-
-import { injectIntl } from '@edx/frontend-platform/i18n';
-
-import timeLocale from '../../common/time-locale';
-import LikeButton from '../../posts/post/LikeButton';
-import { editComment } from '../data/thunks';
-
-function CommentIcons({
-  comment,
-}) {
-  const dispatch = useDispatch();
-  timeago.register('time-locale', timeLocale);
-
-  const handleLike = () => dispatch(editComment(comment.id, { voted: !comment.voted }));
-  return (
-    <div className="d-flex flex-row align-items-center">
-      <LikeButton
-        count={comment.voteCount}
-        onClick={handleLike}
-        voted={comment.voted}
-      />
-      <div className="d-flex flex-fill text-gray-500 justify-content-end" title={comment.createdAt}>
-        {timeago.format(comment.createdAt, 'time-locale')}
-      </div>
-    </div>
-  );
-}
-
-CommentIcons.propTypes = {
-  comment: PropTypes.shape({
-    id: PropTypes.string,
-    voteCount: PropTypes.number,
-    following: PropTypes.bool,
-    voted: PropTypes.bool,
-    createdAt: PropTypes.string,
-  }).isRequired,
-};
-
-export default injectIntl(CommentIcons);
--- a/src/discussions/comments/comment/Comment.jsx
+++ b/src/discussions/comments/comment/Comment.jsx
@@ -1,166 +0,0 @@
-import React, { useEffect, useState } from 'react';
-import PropTypes from 'prop-types';
-
-import classNames from 'classnames';
-import { useDispatch, useSelector } from 'react-redux';
-
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import { Button, useToggle } from '@edx/paragon';
-
-import HTMLLoader from '../../../components/HTMLLoader';
-import { ContentActions } from '../../../data/constants';
-import { AlertBanner, DeleteConfirmation, EndorsedAlertBanner } from '../../common';
-import { selectBlackoutDate } from '../../data/selectors';
-import { fetchThread } from '../../posts/data/thunks';
-import { inBlackoutDateRange } from '../../utils';
-import CommentIcons from '../comment-icons/CommentIcons';
-import { selectCommentCurrentPage, selectCommentHasMorePages, selectCommentResponses } from '../data/selectors';
-import { editComment, fetchCommentResponses, removeComment } from '../data/thunks';
-import messages from '../messages';
-import CommentEditor from './CommentEditor';
-import CommentHeader from './CommentHeader';
-import { commentShape } from './proptypes';
-import Reply from './Reply';
-
-function Comment({
-  postType,
-  comment,
-  showFullThread = true,
-  isClosedPost,
-  intl,
-}) {
-  const dispatch = useDispatch();
-  const hasChildren = comment.childCount > 0;
-  const isNested = Boolean(comment.parentId);
-  const inlineReplies = useSelector(selectCommentResponses(comment.id));
-  const [isEditing, setEditing] = useState(false);
-  const [isDeleting, showDeleteConfirmation, hideDeleteConfirmation] = useToggle(false);
-  const [isReplying, setReplying] = useState(false);
-  const hasMorePages = useSelector(selectCommentHasMorePages(comment.id));
-  const currentPage = useSelector(selectCommentCurrentPage(comment.id));
-  const blackoutDateRange = useSelector(selectBlackoutDate);
-
-  useEffect(() => {
-    // If the comment has a parent comment, it won't have any children, so don't fetch them.
-    if (hasChildren && !currentPage && showFullThread) {
-      dispatch(fetchCommentResponses(comment.id, { page: 1 }));
-    }
-  }, [comment.id]);
-
-  const actionHandlers = {
-    [ContentActions.EDIT_CONTENT]: () => setEditing(true),
-    [ContentActions.ENDORSE]: async () => {
-      await dispatch(editComment(comment.id, { endorsed: !comment.endorsed }, ContentActions.ENDORSE));
-      await dispatch(fetchThread(comment.threadId));
-    },
-    [ContentActions.DELETE]: showDeleteConfirmation,
-    [ContentActions.REPORT]: () => dispatch(editComment(comment.id, { flagged: !comment.abuseFlagged })),
-  };
-
-  const handleLoadMoreComments = () => (
-    dispatch(fetchCommentResponses(comment.id, { page: currentPage + 1 }))
-  );
-
-  return (
-    <div className={classNames({ 'py-2 my-3': showFullThread })}>
-      <div className="d-flex flex-column card" data-testid={`comment-${comment.id}`} role="listitem">
-        <DeleteConfirmation
-          isOpen={isDeleting}
-          title={intl.formatMessage(messages.deleteResponseTitle)}
-          description={intl.formatMessage(messages.deleteResponseDescription)}
-          onClose={hideDeleteConfirmation}
-          onDelete={() => {
-            dispatch(removeComment(comment.id));
-            hideDeleteConfirmation();
-          }}
-        />
-        <EndorsedAlertBanner postType={postType} content={comment} />
-        <div className="d-flex flex-column p-4.5">
-          <AlertBanner content={comment} />
-          <CommentHeader comment={comment} actionHandlers={actionHandlers} postType={postType} />
-          {isEditing
-            ? (
-              <CommentEditor comment={comment} onCloseEditor={() => setEditing(false)} formClasses="pt-3" />
-            )
-            : <HTMLLoader cssClassName="comment-body pt-4 text-primary-500" componentId="comment" htmlNode={comment.renderedBody} />}
-          <CommentIcons
-            comment={comment}
-            following={comment.following}
-            onLike={() => dispatch(editComment(comment.id, { voted: !comment.voted }))}
-            createdAt={comment.createdAt}
-          />
-          <div className="sr-only" role="heading" aria-level="3"> {intl.formatMessage(messages.replies, { count: inlineReplies.length })}</div>
-          <div className="d-flex flex-column" role="list">
-            {/* Pass along intl since component used here is the one before it's injected with `injectIntl` */}
-            {inlineReplies.map(inlineReply => (
-              <Reply
-                reply={inlineReply}
-                postType={postType}
-                key={inlineReply.id}
-                intl={intl}
-              />
-            ))}
-          </div>
-          {hasMorePages && (
-          <Button
-            onClick={handleLoadMoreComments}
-            variant="link"
-            block="true"
-            className="mt-4.5 font-size-14 font-style-normal font-family-inter font-weight-500 px-2.5 py-2"
-            data-testid="load-more-comments-responses"
-            style={{
-              lineHeight: '20px',
-            }}
-          >
-            {intl.formatMessage(messages.loadMoreComments)}
-          </Button>
-          )}
-          {!isNested && showFullThread && (
-            isReplying ? (
-              <CommentEditor
-                comment={{
-                  threadId: comment.threadId,
-                  parentId: comment.id,
-                }}
-                edit={false}
-                onCloseEditor={() => setReplying(false)}
-              />
-            ) : (
-              <>
-                {(!isClosedPost && !inBlackoutDateRange(blackoutDateRange))
-                  && (
-                    <Button
-                      className="d-flex flex-grow mt-3 py-2 font-size-14"
-                      variant="outline-primary"
-                      style={{
-                        lineHeight: '20px',
-                      }}
-                      onClick={() => setReplying(true)}
-                    >
-                      {intl.formatMessage(messages.addComment)}
-                    </Button>
-                  )}
-              </>
-
-            )
-          )}
-        </div>
-      </div>
-    </div>
-  );
-}
-
-Comment.propTypes = {
-  postType: PropTypes.oneOf(['discussion', 'question']).isRequired,
-  comment: commentShape.isRequired,
-  showFullThread: PropTypes.bool,
-  isClosedPost: PropTypes.bool,
-  intl: intlShape.isRequired,
-};
-
-Comment.defaultProps = {
-  showFullThread: true,
-  isClosedPost: false,
-};
-
-export default injectIntl(Comment);
--- a/src/discussions/comments/comment/CommentHeader.jsx
+++ b/src/discussions/comments/comment/CommentHeader.jsx
@@ -1,102 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-
-import classNames from 'classnames';
-import { useSelector } from 'react-redux';
-
-import { injectIntl } from '@edx/frontend-platform/i18n';
-import { logError } from '@edx/frontend-platform/logging';
-import {
-  Avatar, Icon,
-} from '@edx/paragon';
-
-import { AvatarOutlineAndLabelColors, EndorsementStatus, ThreadType } from '../../../data/constants';
-import { AuthorLabel } from '../../common';
-import ActionsDropdown from '../../common/ActionsDropdown';
-import { useAlertBannerVisible } from '../../data/hooks';
-import { selectAuthorAvatars } from '../../posts/data/selectors';
-import { useActions } from '../../utils';
-import { commentShape } from './proptypes';
-
-function CommentHeader({
-  comment,
-  postType,
-  actionHandlers,
-}) {
-  const authorAvatars = useSelector(selectAuthorAvatars(comment.author));
-  const colorClass = AvatarOutlineAndLabelColors[comment.authorLabel];
-  const hasAnyAlert = useAlertBannerVisible(comment);
-
-  const actions = useActions({
-    ...comment,
-    postType,
-  });
-  const actionIcons = actions.find(({ action }) => action === EndorsementStatus.ENDORSED);
-
-  const handleIcons = (action) => {
-    const actionFunction = actionHandlers[action];
-    if (actionFunction) {
-      actionFunction();
-    } else {
-      logError(`Unknown or unimplemented action ${action}`);
-    }
-  };
-  return (
-    <div className={classNames('d-flex flex-row justify-content-between', {
-      'mt-2': hasAnyAlert,
-    })}
-    >
-      <div className="align-items-center d-flex flex-row">
-        <Avatar
-          className={`border-0 ml-0.5 mr-2.5 ${colorClass ? `outline-${colorClass}` : 'outline-anonymous'}`}
-          alt={comment.author}
-          src={authorAvatars?.imageUrlSmall}
-          style={{
-            width: '32px',
-            height: '32px',
-          }}
-        />
-        <AuthorLabel
-          author={comment.author}
-          authorLabel={comment.authorLabel}
-          labelColor={colorClass && `text-${colorClass}`}
-          linkToProfile
-        />
-      </div>
-      <div className="d-flex align-items-center">
-
-        {actionIcons && (
-        <span className="btn-icon btn-icon-sm mr-1 align-items-center">
-          <Icon
-            data-testid="check-icon"
-            onClick={
-                () => {
-                  handleIcons(actionIcons.action);
-                }
-              }
-            src={actionIcons.icon}
-            className={['endorse', 'unendorse'].includes(actionIcons.id) ? 'text-dark-500' : 'text-success-500'}
-            size="sm"
-          />
-        </span>
-        )}
-
-        <ActionsDropdown
-          commentOrPost={{
-            ...comment,
-            postType,
-          }}
-          actionHandlers={actionHandlers}
-        />
-      </div>
-    </div>
-  );
-}
-
-CommentHeader.propTypes = {
-  comment: commentShape.isRequired,
-  actionHandlers: PropTypes.objectOf(PropTypes.func).isRequired,
-  postType: PropTypes.oneOf([ThreadType.QUESTION, ThreadType.DISCUSSION]).isRequired,
-};
-
-export default injectIntl(CommentHeader);
--- a/src/discussions/comments/comment/CommentHeader.test.jsx
+++ b/src/discussions/comments/comment/CommentHeader.test.jsx
@@ -1,57 +0,0 @@
-import React from 'react';
-
-import { render, screen } from '@testing-library/react';
-import { IntlProvider } from 'react-intl';
-
-import { initializeMockApp } from '@edx/frontend-platform';
-import { AppProvider } from '@edx/frontend-platform/react';
-
-import { initializeStore } from '../../../store';
-import { DiscussionContext } from '../../common/context';
-import CommentHeader from './CommentHeader';
-
-let store;
-
-function renderComponent(comment, postType, actionHandlers) {
-  return render(
-    <IntlProvider locale="en">
-      <AppProvider store={store}>
-        <DiscussionContext.Provider
-          value={{ courseId: 'course-v1:edX+TestX+Test_Course' }}
-        >
-          <CommentHeader comment={comment} postType={postType} actionHandlers={actionHandlers} />
-        </DiscussionContext.Provider>
-      </AppProvider>
-    </IntlProvider>,
-  );
-}
-
-const mockComment = {
-  author: 'abc123',
-  authorLabel: 'ABC 123',
-  endorsed: true,
-  editableFields: ['endorsed'],
-};
-
-describe('Comment Header', () => {
-  beforeEach(async () => {
-    initializeMockApp({
-      authenticatedUser: {
-        userId: 3,
-        username: 'abc123',
-        administrator: true,
-        roles: [],
-      },
-    });
-    store = initializeStore();
-  });
-
-  it('should render verified icon for endorsed discussion posts', () => {
-    renderComponent(mockComment, 'discussion', {});
-    expect(screen.queryAllByTestId('check-icon')).toHaveLength(1);
-  });
-  it('should render check icon for endorsed question posts', () => {
-    renderComponent(mockComment, 'question', {});
-    expect(screen.queryAllByTestId('check-icon')).toHaveLength(1);
-  });
-});
--- a/src/discussions/comments/comment/Reply.jsx
+++ b/src/discussions/comments/comment/Reply.jsx
@@ -1,112 +0,0 @@
-import React, { useState } from 'react';
-import PropTypes from 'prop-types';
-
-import { useDispatch, useSelector } from 'react-redux';
-import * as timeago from 'timeago.js';
-
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import { Avatar, useToggle } from '@edx/paragon';
-
-import HTMLLoader from '../../../components/HTMLLoader';
-import { AvatarOutlineAndLabelColors, ContentActions } from '../../../data/constants';
-import {
-  ActionsDropdown, AlertBanner, AuthorLabel, DeleteConfirmation,
-} from '../../common';
-import timeLocale from '../../common/time-locale';
-import { useAlertBannerVisible } from '../../data/hooks';
-import { selectAuthorAvatars } from '../../posts/data/selectors';
-import { editComment, removeComment } from '../data/thunks';
-import messages from '../messages';
-import CommentEditor from './CommentEditor';
-import { commentShape } from './proptypes';
-
-function Reply({
-  reply,
-  postType,
-  intl,
-}) {
-  timeago.register('time-locale', timeLocale);
-  const dispatch = useDispatch();
-  const [isEditing, setEditing] = useState(false);
-  const [isDeleting, showDeleteConfirmation, hideDeleteConfirmation] = useToggle(false);
-  const actionHandlers = {
-    [ContentActions.EDIT_CONTENT]: () => setEditing(true),
-    [ContentActions.ENDORSE]: () => dispatch(editComment(
-      reply.id,
-      { endorsed: !reply.endorsed },
-      ContentActions.ENDORSE,
-    )),
-    [ContentActions.DELETE]: showDeleteConfirmation,
-    [ContentActions.REPORT]: () => dispatch(editComment(reply.id, { flagged: !reply.abuseFlagged })),
-  };
-  const authorAvatars = useSelector(selectAuthorAvatars(reply.author));
-  const colorClass = AvatarOutlineAndLabelColors[reply.authorLabel];
-  const hasAnyAlert = useAlertBannerVisible(reply);
-
-  return (
-    <div className="d-flex flex-column mt-4.5" data-testid={`reply-${reply.id}`} role="listitem">
-      <DeleteConfirmation
-        isOpen={isDeleting}
-        title={intl.formatMessage(messages.deleteCommentTitle)}
-        description={intl.formatMessage(messages.deleteCommentDescription)}
-        onClose={hideDeleteConfirmation}
-        onDelete={() => {
-          dispatch(removeComment(reply.id));
-          hideDeleteConfirmation();
-        }}
-      />
-
-      {hasAnyAlert && (
-        <div className="d-flex">
-          <div className="d-flex invisible">
-            <Avatar />
-          </div>
-          <div className="w-100">
-            <AlertBanner content={reply} intl={intl} />
-          </div>
-        </div>
-      )}
-
-      <div className="d-flex">
-        <div className="d-flex mr-3 mt-2.5">
-          <Avatar
-            className={`ml-0.5 mt-0.5 border-0 ${colorClass ? `outline-${colorClass}` : 'outline-anonymous'}`}
-            alt={reply.author}
-            src={authorAvatars?.imageUrlSmall}
-            style={{
-              width: '32px',
-              height: '32px',
-            }}
-          />
-        </div>
-        <div
-          className="bg-light-300 px-4 pb-2 pt-2.5 flex-fill"
-          style={{ borderRadius: '0rem 0.375rem 0.375rem' }}
-        >
-          <div className="d-flex flex-row justify-content-between align-items-center mb-0.5">
-            <AuthorLabel author={reply.author} authorLabel={reply.authorLabel} labelColor={colorClass && `text-${colorClass}`} linkToProfile />
-            <ActionsDropdown
-              commentOrPost={{
-                ...reply,
-                postType,
-              }}
-              actionHandlers={actionHandlers}
-            />
-          </div>
-          {isEditing
-            ? <CommentEditor comment={reply} onCloseEditor={() => setEditing(false)} />
-            : <HTMLLoader componentId="reply" htmlNode={reply.renderedBody} cssClassName="text-primary-500" />}
-        </div>
-      </div>
-      <div className="text-gray-500 align-self-end mt-2" title={reply.createdAt}>
-        {timeago.format(reply.createdAt, 'time-locale')}
-      </div>
-    </div>
-  );
-}
-Reply.propTypes = {
-  postType: PropTypes.oneOf(['discussion', 'question']).isRequired,
-  reply: commentShape.isRequired,
-  intl: intlShape.isRequired,
-};
-export default injectIntl(Reply);
--- a/src/discussions/comments/comment/ResponseEditor.jsx
+++ b/src/discussions/comments/comment/ResponseEditor.jsx
@@ -1,66 +0,0 @@
-import React, { useContext, useEffect, useState } from 'react';
-import PropTypes from 'prop-types';
-
-import classNames from 'classnames';
-import { useSelector } from 'react-redux';
-
-import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import { Button } from '@edx/paragon';
-
-import { DiscussionContext } from '../../common/context';
-import { selectBlackoutDate } from '../../data/selectors';
-import { inBlackoutDateRange } from '../../utils';
-import messages from '../messages';
-import CommentEditor from './CommentEditor';
-
-function ResponseEditor({
-  postId,
-  intl,
-  addWrappingDiv,
-}) {
-  const { inContext } = useContext(DiscussionContext);
-  const [addingResponse, setAddingResponse] = useState(false);
-
-  useEffect(() => {
-    setAddingResponse(false);
-  }, [postId]);
-
-  const blackoutDateRange = useSelector(selectBlackoutDate);
-
-  return addingResponse
-    ? (
-      <div className={classNames({ 'bg-white p-4 mb-4 rounded': addWrappingDiv })}>
-        <CommentEditor
-          comment={{ threadId: postId }}
-          edit={false}
-          onCloseEditor={() => setAddingResponse(false)}
-        />
-      </div>
-    )
-    : !inBlackoutDateRange(blackoutDateRange) && (
-      <div className={classNames({ 'mb-4': addWrappingDiv }, 'actions d-flex')}>
-        <Button
-          variant="primary"
-          className={classNames('px-2.5 py-2 font-size-14', { 'w-100': inContext })}
-          onClick={() => setAddingResponse(true)}
-          style={{
-            lineHeight: '20px',
-          }}
-        >
-          {intl.formatMessage(messages.addResponse)}
-        </Button>
-      </div>
-    );
-}
-
-ResponseEditor.propTypes = {
-  postId: PropTypes.string.isRequired,
-  intl: intlShape.isRequired,
-  addWrappingDiv: PropTypes.bool,
-};
-
-ResponseEditor.defaultProps = {
-  addWrappingDiv: false,
-};
-
-export default injectIntl(ResponseEditor);
--- a/src/discussions/comments/index.js
+++ b/src/discussions/comments/index.js
@@ -1,2 +0,0 @@
-/* eslint-disable import/prefer-default-export */
-export { default as CommentsView } from './CommentsView';
--- a/src/discussions/common/ActionsDropdown.jsx
+++ b/src/discussions/common/ActionsDropdown.jsx
@@ -11,9 +11,9 @@ import {
 import { MoreHoriz } from '@edx/paragon/icons';

 import { ContentActions } from '../../data/constants';
-import { commentShape } from '../comments/comment/proptypes';
 import { selectBlackoutDate } from '../data/selectors';
 import messages from '../messages';
+import { commentShape } from '../post-comments/comments/comment/proptypes';
 import { postShape } from '../posts/post/proptypes';
 import { inBlackoutDateRange, useActions } from '../utils';
 import { DiscussionContext } from './context';
@@ -23,11 +23,13 @@ function ActionsDropdown({
  commentOrPost,
  disabled,
  actionHandlers,
+  iconSize,
+  dropDownIconSize,
 }) {
  const [isOpen, open, close] = useToggle(false);
  const [target, setTarget] = useState(null);
  const actions = useActions(commentOrPost);
-  const { inContext } = useContext(DiscussionContext);
+  const { enableInContextSidebar } = useContext(DiscussionContext);
  const handleActions = (action) => {
    const actionFunction = actionHandlers[action];
    if (actionFunction) {
@@ -49,40 +51,43 @@ function ActionsDropdown({
        src={MoreHoriz}
        iconAs={Icon}
        disabled={disabled}
-        size="sm"
+        size={iconSize}
        ref={setTarget}
+        iconClassNames={dropDownIconSize ? 'dropdown-icon-dimentions' : ''}
      />
-      <ModalPopup
-        onClose={close}
-        positionRef={target}
-        isOpen={isOpen}
-        placement={inContext ? 'left' : 'auto-start'}
-      >
-        <div
-          className="bg-white p-1 shadow d-flex flex-column"
-          data-testid="actions-dropdown-modal-popup"
+      <div className="actions-dropdown">
+        <ModalPopup
+          onClose={close}
+          positionRef={target}
+          isOpen={isOpen}
+          placement={enableInContextSidebar ? 'left' : 'auto-start'}
        >
-          {actions.map(action => (
-            <React.Fragment key={action.id}>
-              {action.action === ContentActions.DELETE
-              && <Dropdown.Divider />}
+          <div
+            className="bg-white p-1 shadow d-flex flex-column"
+            data-testid="actions-dropdown-modal-popup"
+          >
+            {actions.map(action => (
+              <React.Fragment key={action.id}>
+                {(action.action === ContentActions.DELETE)
+                  && <Dropdown.Divider />}

-              <Dropdown.Item
-                as={Button}
-                variant="tertiary"
-                size="inline"
-                onClick={() => {
-                  close();
-                  handleActions(action.action);
-                }}
-                className="d-flex justify-content-start py-1.5 mr-4"
-              >
-                <Icon src={action.icon} className="mr-1" /> {intl.formatMessage(action.label)}
-              </Dropdown.Item>
-            </React.Fragment>
-          ))}
-        </div>
-      </ModalPopup>
+                <Dropdown.Item
+                  as={Button}
+                  variant="tertiary"
+                  size="inline"
+                  onClick={() => {
+                    close();
+                    handleActions(action.action);
+                  }}
+                  className="d-flex justify-content-start py-1.5 mr-4"
+                >
+                  <Icon src={action.icon} className="mr-1" /> {intl.formatMessage(action.label)}
+                </Dropdown.Item>
+              </React.Fragment>
+            ))}
+          </div>
+        </ModalPopup>
+      </div>
    </>
  );
 }
@@ -92,10 +97,14 @@ ActionsDropdown.propTypes = {
  commentOrPost: PropTypes.oneOfType([commentShape, postShape]).isRequired,
  disabled: PropTypes.bool,
  actionHandlers: PropTypes.objectOf(PropTypes.func).isRequired,
+  iconSize: PropTypes.string,
+  dropDownIconSize: PropTypes.bool,
 };

 ActionsDropdown.defaultProps = {
  disabled: false,
+  iconSize: 'sm',
+  dropDownIconSize: false,
 };

 export default injectIntl(ActionsDropdown);
--- a/src/discussions/common/ActionsDropdown.test.jsx
+++ b/src/discussions/common/ActionsDropdown.test.jsx
@@ -14,7 +14,7 @@ import messages from '../messages';
 import { ACTIONS_LIST } from '../utils';
 import ActionsDropdown from './ActionsDropdown';

-import '../comments/data/__factories__';
+import '../post-comments/data/__factories__';
 import '../posts/data/__factories__';

 let store;
--- a/src/discussions/common/AlertBanner.jsx
+++ b/src/discussions/common/AlertBanner.jsx
@@ -6,11 +6,13 @@ import { useSelector } from 'react-redux';
 import { getAuthenticatedUser } from '@edx/frontend-platform/auth';
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { Alert } from '@edx/paragon';
-import { Error } from '@edx/paragon/icons';
+import { Report } from '@edx/paragon/icons';

-import { commentShape } from '../comments/comment/proptypes';
-import messages from '../comments/messages';
-import { selectModerationSettings, selectUserHasModerationPrivileges, selectUserIsGroupTa } from '../data/selectors';
+import {
+  selectModerationSettings, selectUserHasModerationPrivileges, selectUserIsGroupTa, selectUserIsStaff,
+} from '../data/selectors';
+import { commentShape } from '../post-comments/comments/comment/proptypes';
+import messages from '../post-comments/messages';
 import { postShape } from '../posts/post/proptypes';
 import AuthorLabel from './AuthorLabel';

@@ -20,40 +22,56 @@ function AlertBanner({
 }) {
  const userHasModerationPrivileges = useSelector(selectUserHasModerationPrivileges);
  const userIsGroupTa = useSelector(selectUserIsGroupTa);
+  const userIsGlobalStaff = useSelector(selectUserIsStaff);
  const { reasonCodesEnabled } = useSelector(selectModerationSettings);
  const userIsContentAuthor = getAuthenticatedUser().username === content.author;
-  const canSeeLastEditOrClosedAlert = (userHasModerationPrivileges || userIsContentAuthor || userIsGroupTa);
  const canSeeReportedBanner = content?.abuseFlagged;
+  const canSeeLastEditOrClosedAlert = (userHasModerationPrivileges || userIsGroupTa
+    || userIsGlobalStaff || userIsContentAuthor
+  );

  return (
    <>
      {canSeeReportedBanner && (
-        <Alert icon={Error} variant="danger" className="px-3 mb-2 py-10px shadow-none flex-fill">
+        <Alert icon={Report} variant="danger" className="px-3 mb-1 py-10px shadow-none flex-fill">
          {intl.formatMessage(messages.abuseFlaggedMessage)}
        </Alert>
      )}
      {reasonCodesEnabled && canSeeLastEditOrClosedAlert && (
        <>
          {content.lastEdit?.reason && (
-            <Alert variant="info" className="px-3 shadow-none mb-2 py-10px bg-light-200">
-              <div className="d-flex align-items-center flex-wrap">
+            <Alert variant="info" className="px-3 shadow-none mb-1 py-10px bg-light-200">
+              <div className="d-flex align-items-center flex-wrap text-gray-700 font-style">
                {intl.formatMessage(messages.editedBy)}
                <span className="ml-1 mr-3">
-                  <AuthorLabel author={content.lastEdit.editorUsername} linkToProfile />
+                  <AuthorLabel author={content.lastEdit.editorUsername} linkToProfile postOrComment />
+                </span>
+                <span
+                  className="mx-1.5 font-size-8 font-style text-light-700"
+                  style={{ lineHeight: '15px' }}
+                >
+                  {intl.formatMessage(messages.fullStop)}
                </span>
                {intl.formatMessage(messages.reason)}:&nbsp;{content.lastEdit.reason}
              </div>
            </Alert>
          )}
          {content.closed && (
-            <Alert variant="info" className="px-3 shadow-none mb-2 py-10px bg-light-200">
-              <div className="d-flex align-items-center flex-wrap">
+            <Alert variant="info" className="px-3 shadow-none mb-1 py-10px bg-light-200">
+              <div className="d-flex align-items-center flex-wrap text-gray-700 font-style">
                {intl.formatMessage(messages.closedBy)}
                <span className="ml-1 ">
-                  <AuthorLabel author={content.closedBy} linkToProfile />
+                  <AuthorLabel author={content.closedBy} linkToProfile postOrComment />
                </span>
-                <span className="mx-1" />
+                <span
+                  className="mx-1.5 font-size-8 font-style text-light-700"
+                  style={{ lineHeight: '15px' }}
+                >
+                  {intl.formatMessage(messages.fullStop)}
+                </span>
+
                {content.closeReason && (`${intl.formatMessage(messages.reason)}: ${content.closeReason}`)}
+
              </div>
            </Alert>
          )}
--- a/src/discussions/common/AlertBanner.test.jsx
+++ b/src/discussions/common/AlertBanner.test.jsx
@@ -7,11 +7,11 @@ import { AppProvider } from '@edx/frontend-platform/react';

 import { ThreadType } from '../../data/constants';
 import { initializeStore } from '../../store';
-import messages from '../comments/messages';
+import messages from '../post-comments/messages';
 import AlertBanner from './AlertBanner';
 import { DiscussionContext } from './context';

-import '../comments/data/__factories__';
+import '../post-comments/data/__factories__';
 import '../posts/data/__factories__';

 let store;
--- a/src/discussions/common/AuthorLabel.jsx
+++ b/src/discussions/common/AuthorLabel.jsx
@@ -3,9 +3,10 @@ import PropTypes from 'prop-types';

 import classNames from 'classnames';
 import { Link, useLocation } from 'react-router-dom';
+import * as timeago from 'timeago.js';

 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import { Icon } from '@edx/paragon';
+import { Icon, OverlayTrigger, Tooltip } from '@edx/paragon';
 import { Institution, School } from '@edx/paragon/icons';

 import { Routes } from '../../data/constants';
@@ -13,6 +14,7 @@ import { useShowLearnersTab } from '../data/hooks';
 import messages from '../messages';
 import { discussionsPath } from '../utils';
 import { DiscussionContext } from './context';
+import timeLocale from './time-locale';

 function AuthorLabel({
  intl,
@@ -21,11 +23,15 @@ function AuthorLabel({
  linkToProfile,
  labelColor,
  alert,
+  postCreatedAt,
+  authorToolTip,
+  postOrComment,
 }) {
  const location = useLocation();
  const { courseId } = useContext(DiscussionContext);
  let icon = null;
  let authorLabelMessage = null;
+  timeago.register('time-locale', timeLocale);

  if (authorLabel === 'Staff') {
    icon = Institution;
@@ -37,37 +43,56 @@ function AuthorLabel({
  }

  const isRetiredUser = author ? author.startsWith('retired__user') : false;
+  const showTextPrimary = !authorLabelMessage && !isRetiredUser && !alert;

-  const className = classNames('d-flex align-items-center', labelColor);
+  const className = classNames('d-flex align-items-center', { 'mb-0.5': !postOrComment }, labelColor);

  const showUserNameAsLink = useShowLearnersTab()
-      && linkToProfile && author && author !== intl.formatMessage(messages.anonymous);
+    && linkToProfile && author && author !== intl.formatMessage(messages.anonymous);

  const labelContents = (
    <div className={className}>
-      <span
-        className={classNames('mr-1 font-size-14 font-style-normal font-family-inter font-weight-500', {
-          'text-gray-700': isRetiredUser,
-          'text-primary-500': !authorLabelMessage && !isRetiredUser && !alert,
-        })}
-        role="heading"
-        aria-level="2"
-      >
-        {isRetiredUser ? '[Deactivated]' : author }
-      </span>
-      {icon && (
-        <Icon
-          style={{
-            width: '1rem',
-            height: '1rem',
-          }}
-          src={icon}
-        />
+      {!alert && (
+        <span
+          className={classNames('mr-1.5 font-size-14 font-style font-weight-500', {
+            'text-gray-700': isRetiredUser,
+            'text-primary-500': !authorLabelMessage && !isRetiredUser,
+          })}
+          role="heading"
+          aria-level="2"
+        >
+          {isRetiredUser ? '[Deactivated]' : author}
+        </span>
      )}
+
+      <OverlayTrigger
+        overlay={(
+          <Tooltip id={`endorsed-by-${author}-tooltip`}>
+            {author}
+          </Tooltip>
+        )}
+
+        trigger={['hover', 'focus']}
+      >
+        <div className={classNames('d-flex flex-row align-items-center', {
+          'disable-div': !authorToolTip,
+        })}
+        >
+          <Icon
+            style={{
+              width: '1rem',
+              height: '1rem',
+            }}
+            src={icon}
+            data-testid="author-icon"
+          />
+
+        </div>
+      </OverlayTrigger>
      {authorLabelMessage && (
        <span
-          className={classNames('mr-1 font-size-14 font-style-normal font-family-inter font-weight-500', {
-            'text-primary-500': !authorLabelMessage && !isRetiredUser && !alert,
+          className={classNames('mr-1.5 font-size-14 font-style font-weight-500', {
+            'text-primary-500': showTextPrimary,
            'text-gray-700': isRetiredUser,
          })}
          style={{ marginLeft: '2px' }}
@@ -75,6 +100,19 @@ function AuthorLabel({
          {authorLabelMessage}
        </span>
      )}
+      {postCreatedAt && (
+        <span
+          title={postCreatedAt}
+          className={classNames('font-family-inter align-content-center', {
+            'text-white': alert,
+            'text-gray-500': !alert,
+          })}
+          style={{ lineHeight: '20px', fontSize: '12px', marginBottom: '-2.3px' }}
+        >
+          {timeago.format(postCreatedAt, 'time-locale')}
+        </span>
+      )}
+
    </div>
  );

@@ -100,6 +138,9 @@ AuthorLabel.propTypes = {
  linkToProfile: PropTypes.bool,
  labelColor: PropTypes.string,
  alert: PropTypes.bool,
+  postCreatedAt: PropTypes.string,
+  authorToolTip: PropTypes.bool,
+  postOrComment: PropTypes.bool,
 };

 AuthorLabel.defaultProps = {
@@ -107,6 +148,9 @@ AuthorLabel.defaultProps = {
  authorLabel: null,
  labelColor: '',
  alert: false,
+  postCreatedAt: null,
+  authorToolTip: false,
+  postOrComment: false,
 };

 export default injectIntl(AuthorLabel);
--- a/src/discussions/common/AuthorLabel.test.jsx
+++ b/src/discussions/common/AuthorLabel.test.jsx
@@ -10,12 +10,13 @@ import { AppProvider } from '@edx/frontend-platform/react';

 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
-import { courseConfigApiUrl } from '../data/api';
+import { getCourseConfigApiUrl } from '../data/api';
 import { fetchCourseConfig } from '../data/thunks';
 import AuthorLabel from './AuthorLabel';
 import { DiscussionContext } from './context';

 const courseId = 'course-v1:edX+DemoX+Demo_Course';
+const courseConfigApiUrl = getCourseConfigApiUrl();
 let store;
 let axiosMock;
 let container;
--- a/src/discussions/common/DeleteConfirmation.jsx
+++ b/src/discussions/common/DeleteConfirmation.jsx
@@ -6,13 +6,16 @@ import { ActionRow, Button, ModalDialog } from '@edx/paragon';

 import messages from '../messages';

-function DeleteConfirmation({
+function Confirmation({
  intl,
  isOpen,
  title,
  description,
  onClose,
-  onDelete,
+  comfirmAction,
+  closeButtonVaraint,
+  confirmButtonVariant,
+  confirmButtonText,
 }) {
  return (
    <ModalDialog title={title} isOpen={isOpen} hasCloseButton={false} onClose={onClose} zIndex={5000}>
@@ -26,11 +29,11 @@ function DeleteConfirmation({
      </ModalDialog.Body>
      <ModalDialog.Footer>
        <ActionRow>
-          <ModalDialog.CloseButton variant="tertiary">
-            {intl.formatMessage(messages.deleteConfirmationCancel)}
+          <ModalDialog.CloseButton variant={closeButtonVaraint}>
+            {intl.formatMessage(messages.confirmationCancel)}
          </ModalDialog.CloseButton>
-          <Button variant="primary" onClick={onDelete}>
-            {intl.formatMessage(messages.deleteConfirmationDelete)}
+          <Button variant={confirmButtonVariant} onClick={comfirmAction}>
+            { confirmButtonText || intl.formatMessage(messages.confirmationConfirm)}
          </Button>
        </ActionRow>
      </ModalDialog.Footer>
@@ -38,13 +41,22 @@ function DeleteConfirmation({
  );
 }

-DeleteConfirmation.propTypes = {
+Confirmation.propTypes = {
  intl: intlShape.isRequired,
  isOpen: PropTypes.bool.isRequired,
  onClose: PropTypes.func.isRequired,
-  onDelete: PropTypes.func.isRequired,
+  comfirmAction: PropTypes.func.isRequired,
  title: PropTypes.string.isRequired,
  description: PropTypes.string.isRequired,
+  closeButtonVaraint: PropTypes.string,
+  confirmButtonVariant: PropTypes.string,
+  confirmButtonText: PropTypes.string,
 };

-export default injectIntl(DeleteConfirmation);
+Confirmation.defaultProps = {
+  closeButtonVaraint: 'default',
+  confirmButtonVariant: 'primary',
+  confirmButtonText: '',
+};
+
+export default injectIntl(Confirmation);
--- a/src/discussions/common/EndorsedAlertBanner.jsx
+++ b/src/discussions/common/EndorsedAlertBanner.jsx
@@ -4,12 +4,12 @@ import PropTypes from 'prop-types';
 import * as timeago from 'timeago.js';

 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
-import { Alert } from '@edx/paragon';
+import { Alert, Icon } from '@edx/paragon';
 import { CheckCircle, Verified } from '@edx/paragon/icons';

 import { ThreadType } from '../../data/constants';
-import { commentShape } from '../comments/comment/proptypes';
-import messages from '../comments/messages';
+import { commentShape } from '../post-comments/comments/comment/proptypes';
+import messages from '../post-comments/messages';
 import AuthorLabel from './AuthorLabel';
 import timeLocale from './time-locale';

@@ -27,32 +27,32 @@ function EndorsedAlertBanner({
    content.endorsed && (
      <Alert
        variant="plain"
-        className={`px-3 mb-0 py-10px align-items-center shadow-none ${classes}`}
+        className={`px-2.5 mb-0 py-8px align-items-center shadow-none ${classes}`}
        style={{ borderRadius: '0.375rem 0.375rem 0 0' }}
-        icon={iconClass}
      >
        <div className="d-flex justify-content-between flex-wrap">
-          <strong className="lead">{intl.formatMessage(
-            isQuestion
-              ? messages.answer
-              : messages.endorsed,
-          )}
-          </strong>
-          <span className="d-flex align-items-center mr-1 flex-wrap">
-            <span className="mr-1">
-              {intl.formatMessage(
-                isQuestion
-                  ? messages.answeredLabel
-                  : messages.endorsedLabel,
-              )}
-            </span>
+          <div className="d-flex align-items-center">
+            <Icon
+              src={iconClass}
+              style={{
+                width: '21px',
+                height: '20px',
+              }}
+            />
+            <strong className="ml-2 font-family-inter">
+              {intl.formatMessage(isQuestion ? messages.answer : messages.endorsed)}
+            </strong>
+          </div>
+          <span className="d-flex align-items-center align-items-center flex-wrap" style={{ marginRight: '-1px' }}>
            <AuthorLabel
              author={content.endorsedBy}
              authorLabel={content.endorsedByLabel}
              linkToProfile
              alert={content.endorsed}
+              postCreatedAt={content.endorsedAt}
+              authorToolTip
+              postOrComment
            />
-            {intl.formatMessage(messages.time, { time: timeago.format(content.endorsedAt, 'time-locale') })}
          </span>
        </div>
      </Alert>
--- a/src/discussions/common/EndorsedAlertBanner.test.jsx
+++ b/src/discussions/common/EndorsedAlertBanner.test.jsx
@@ -7,11 +7,11 @@ import { AppProvider } from '@edx/frontend-platform/react';

 import { ThreadType } from '../../data/constants';
 import { initializeStore } from '../../store';
-import messages from '../comments/messages';
+import messages from '../post-comments/messages';
 import { DiscussionContext } from './context';
 import EndorsedAlertBanner from './EndorsedAlertBanner';

-import '../comments/data/__factories__';
+import '../post-comments/data/__factories__';
 import '../posts/data/__factories__';

 let store;
@@ -46,21 +46,21 @@ describe.each([
    type: 'comment',
    postType: ThreadType.QUESTION,
    props: { endorsed: true, endorsedBy: 'test-user', endorsedByLabel: 'Staff' },
-    expectText: [messages.answer.defaultMessage, messages.answeredLabel.defaultMessage, 'test-user', 'Staff'],
+    expectText: [messages.answer.defaultMessage, 'Staff'],
  },
  {
    label: 'TA endorsed comment in a question thread',
    type: 'comment',
    postType: ThreadType.QUESTION,
    props: { endorsed: true, endorsedBy: 'test-user', endorsedByLabel: 'Community TA' },
-    expectText: [messages.answer.defaultMessage, messages.answeredLabel.defaultMessage, 'test-user', 'TA'],
+    expectText: [messages.answer.defaultMessage, 'TA'],
  },
  {
    label: 'endorsed comment in a discussion thread',
    type: 'comment',
    postType: ThreadType.DISCUSSION,
    props: { endorsed: true, endorsedBy: 'test-user' },
-    expectText: [messages.endorsed.defaultMessage, messages.endorsedLabel.defaultMessage, 'test-user'],
+    expectText: [messages.endorsed.defaultMessage],
  },
 ])('EndorsedAlertBanner', ({
  label, type, postType, props, expectText,
--- a/src/discussions/common/HoverCard.jsx
+++ b/src/discussions/common/HoverCard.jsx
@@ -0,0 +1,116 @@
+import React, { useContext } from 'react';
+import PropTypes from 'prop-types';
+
+import classNames from 'classnames';
+
+import { injectIntl } from '@edx/frontend-platform/i18n';
+import { Button, Icon, IconButton } from '@edx/paragon';
+
+import {
+  StarFilled, StarOutline, ThumbUpFilled, ThumbUpOutline,
+} from '../../components/icons';
+import { useUserCanAddThreadInBlackoutDate } from '../data/hooks';
+import { commentShape } from '../post-comments/comments/comment/proptypes';
+import { postShape } from '../posts/post/proptypes';
+import ActionsDropdown from './ActionsDropdown';
+import { DiscussionContext } from './context';
+
+function HoverCard({
+  commentOrPost,
+  actionHandlers,
+  handleResponseCommentButton,
+  addResponseCommentButtonMessage,
+  onLike,
+  onFollow,
+  isClosedPost,
+  endorseIcons,
+}) {
+  const { enableInContextSidebar } = useContext(DiscussionContext);
+  const userCanAddThreadInBlackoutDate = useUserCanAddThreadInBlackoutDate();
+  return (
+    <div
+      className="flex-fill justify-content-end align-items-center hover-card mr-n4 position-absolute"
+      data-testid={`hover-card-${commentOrPost.id}`}
+      id={`hover-card-${commentOrPost.id}`}
+    >
+      {userCanAddThreadInBlackoutDate && (
+        <div className="d-flex">
+          <Button
+            variant="tertiary"
+            className={classNames('px-2.5 py-2 border-0 font-style text-gray-700 font-size-12',
+              { 'w-100': enableInContextSidebar })}
+            onClick={() => handleResponseCommentButton()}
+            disabled={isClosedPost}
+            style={{ lineHeight: '20px' }}
+          >
+            {addResponseCommentButtonMessage}
+          </Button>
+        </div>
+      )}
+      {endorseIcons && (
+        <div className="hover-button">
+          <IconButton
+            src={endorseIcons.icon}
+            iconAs={Icon}
+            onClick={() => {
+              const actionFunction = actionHandlers[endorseIcons.action];
+              actionFunction();
+            }}
+            className={['endorse', 'unendorse'].includes(endorseIcons.id) ? 'text-dark-500' : 'text-success-500'}
+            size="sm"
+            alt="Endorse"
+          />
+        </div>
+      )}
+      <div className="hover-button">
+        <IconButton
+          src={commentOrPost.voted ? ThumbUpFilled : ThumbUpOutline}
+          iconAs={Icon}
+          size="sm"
+          alt="Like"
+          iconClassNames="like-icon-dimentions"
+          onClick={(e) => {
+            e.preventDefault();
+            onLike();
+          }}
+        />
+      </div>
+      {commentOrPost.following !== undefined && (
+        <div className="hover-button">
+          <IconButton
+            src={commentOrPost.following ? StarFilled : StarOutline}
+            iconAs={Icon}
+            size="sm"
+            alt="Follow"
+            iconClassNames="follow-icon-dimentions"
+            onClick={(e) => {
+              e.preventDefault();
+              onFollow();
+            }}
+          />
+        </div>
+      )}
+      <div className="hover-button ml-auto">
+        <ActionsDropdown commentOrPost={commentOrPost} actionHandlers={actionHandlers} dropDownIconSize />
+      </div>
+    </div>
+  );
+}
+
+HoverCard.propTypes = {
+  commentOrPost: PropTypes.oneOfType([commentShape, postShape]).isRequired,
+  actionHandlers: PropTypes.objectOf(PropTypes.func).isRequired,
+  handleResponseCommentButton: PropTypes.func.isRequired,
+  onLike: PropTypes.func.isRequired,
+  onFollow: PropTypes.func,
+  addResponseCommentButtonMessage: PropTypes.string.isRequired,
+  isClosedPost: PropTypes.bool.isRequired,
+  endorseIcons: PropTypes.objectOf(PropTypes.any),
+};
+
+HoverCard.defaultProps = {
+  onFollow: () => null,
+  endorseIcons: null,
+};
+
+export default injectIntl(HoverCard);
--- a/src/discussions/common/HoverCard.test.jsx
+++ b/src/discussions/common/HoverCard.test.jsx
@@ -0,0 +1,186 @@
+import {
+  render, screen, waitFor,
+  within,
+} from '@testing-library/react';
+import MockAdapter from 'axios-mock-adapter';
+import { IntlProvider } from 'react-intl';
+import { MemoryRouter, Route } from 'react-router';
+import { Factory } from 'rosie';
+
+import { camelCaseObject, initializeMockApp } from '@edx/frontend-platform';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { AppProvider } from '@edx/frontend-platform/react';
+
+import { initializeStore } from '../../store';
+import { executeThunk } from '../../test-utils';
+import DiscussionContent from '../discussions-home/DiscussionContent';
+import { getCommentsApiUrl } from '../post-comments/data/api';
+import { getThreadsApiUrl } from '../posts/data/api';
+import { fetchThreads } from '../posts/data/thunks';
+import { DiscussionContext } from './context';
+
+import '../posts/data/__factories__';
+import '../post-comments/data/__factories__';
+
+const commentsApiUrl = getCommentsApiUrl();
+const threadsApiUrl = getThreadsApiUrl();
+const discussionPostId = 'thread-1';
+const questionPostId = 'thread-2';
+const courseId = 'course-v1:edX+TestX+Test_Course';
+const reverseOrder = false;
+let store;
+let axiosMock;
+let container;
+
+function mockAxiosReturnPagedComments() {
+  [null, false, true].forEach(endorsed => {
+    const postId = endorsed === null ? discussionPostId : questionPostId;
+    [1, 2].forEach(page => {
+      axiosMock
+        .onGet(commentsApiUrl, {
+          params: {
+            thread_id: postId,
+            page,
+            page_size: undefined,
+            requested_fields: 'profile_image',
+            endorsed,
+            reverse_order: reverseOrder,
+          },
+        })
+        .reply(200, Factory.build('commentsResult', { can_delete: true }, {
+          threadId: postId,
+          page,
+          pageSize: 1,
+          count: 2,
+          endorsed,
+          childCount: page === 1 ? 2 : 0,
+        }));
+    });
+  });
+}
+
+function mockAxiosReturnPagedCommentsResponses() {
+  const parentId = 'comment-1';
+  const commentsResponsesApiUrl = `${commentsApiUrl}${parentId}/`;
+  const paramsTemplate = {
+    page: undefined,
+    page_size: undefined,
+    requested_fields: 'profile_image',
+  };
+
+  for (let page = 1; page <= 2; page++) {
+    axiosMock
+      .onGet(commentsResponsesApiUrl, { params: { ...paramsTemplate, page } })
+      .reply(200, Factory.build('commentsResult', null, {
+        parentId,
+        page,
+        pageSize: 1,
+        count: 2,
+      }));
+  }
+}
+
+function renderComponent(postId) {
+  const wrapper = render(
+    <IntlProvider locale="en">
+      <AppProvider store={store}>
+        <DiscussionContext.Provider
+          value={{ courseId }}
+        >
+          <MemoryRouter initialEntries={[`/${courseId}/posts/${postId}`]}>
+            <DiscussionContent />
+            <Route
+              path="*"
+            />
+          </MemoryRouter>
+        </DiscussionContext.Provider>
+      </AppProvider>
+    </IntlProvider>,
+  );
+  container = wrapper.container;
+  return container;
+}
+
+describe('HoverCard', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+
+    store = initializeStore();
+    Factory.resetAll();
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+    axiosMock.onGet(threadsApiUrl)
+      .reply(200, Factory.build('threadsResult'));
+    axiosMock.onPatch(new RegExp(`${commentsApiUrl}*`)).reply(({
+      url,
+      data,
+    }) => {
+      const commentId = url.match(/comments\/(?<id>[a-z1-9-]+)\//).groups.id;
+      const {
+        rawBody,
+      } = camelCaseObject(JSON.parse(data));
+      return [200, Factory.build('comment', {
+        id: commentId,
+        rendered_body: rawBody,
+        raw_body: rawBody,
+      })];
+    });
+    axiosMock.onPost(commentsApiUrl)
+      .reply(({ data }) => {
+        const {
+          rawBody,
+          threadId,
+        } = camelCaseObject(JSON.parse(data));
+        return [200, Factory.build(
+          'comment',
+          {
+            rendered_body: rawBody,
+            raw_body: rawBody,
+            thread_id: threadId,
+          },
+        )];
+      });
+
+    executeThunk(fetchThreads(courseId), store.dispatch, store.getState);
+    mockAxiosReturnPagedComments();
+    mockAxiosReturnPagedCommentsResponses();
+  });
+
+  test('it should have hover card on post', async () => {
+    renderComponent(discussionPostId);
+    const post = screen.getByTestId('post-thread-1');
+    expect(within(post).getByTestId('hover-card-thread-1')).toBeInTheDocument();
+  });
+
+  test('it should have hover card on comment', async () => {
+    renderComponent(discussionPostId);
+    const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+    expect(within(comment).getByTestId('hover-card-comment-1')).toBeInTheDocument();
+  });
+
+  test('it should show add response, like, follow and actions menu for hovered post', async () => {
+    renderComponent(discussionPostId);
+    const post = screen.getByTestId('post-thread-1');
+    const view = within(post).getByTestId('hover-card-thread-1');
+    expect(within(view).queryByRole('button', { name: /Add response/i })).toBeInTheDocument();
+    expect(within(view).getByRole('button', { name: /like/i })).toBeInTheDocument();
+    expect(within(view).queryByRole('button', { name: /follow/i })).toBeInTheDocument();
+    expect(within(view).queryByRole('button', { name: /actions menu/i })).toBeInTheDocument();
+  });
+
+  test('it should show add comment, Endorse, like and actions menu Buttons for hovered comment', async () => {
+    renderComponent(questionPostId);
+    const comment = await waitFor(() => screen.findByTestId('comment-comment-3'));
+    const view = within(comment).getByTestId('hover-card-comment-3');
+    expect(within(view).queryByRole('button', { name: /Add comment/i })).toBeInTheDocument();
+    expect(within(view).getByRole('button', { name: /Endorse/i })).toBeInTheDocument();
+    expect(within(view).queryByRole('button', { name: /like/i })).toBeInTheDocument();
+    expect(within(view).queryByRole('button', { name: /actions menu/i })).toBeInTheDocument();
+  });
+});
--- a/src/discussions/common/context.js
+++ b/src/discussions/common/context.js
@@ -6,7 +6,7 @@ export const DiscussionContext = React.createContext({
  courseId: null,
  postId: null,
  topicId: null,
-  inContext: false,
+  enableInContextSidebar: false,
  category: null,
  learnerUsername: null,
 });
--- a/src/discussions/common/index.js
+++ b/src/discussions/common/index.js
@@ -1,5 +1,5 @@
 export { default as ActionsDropdown } from './ActionsDropdown';
 export { default as AlertBanner } from './AlertBanner';
 export { default as AuthorLabel } from './AuthorLabel';
-export { default as DeleteConfirmation } from './DeleteConfirmation';
+export { default as Confirmation } from './Confirmation';
 export { default as EndorsedAlertBanner } from './EndorsedAlertBanner';
--- a/src/discussions/data/api.js
+++ b/src/discussions/data/api.js
@@ -7,16 +7,14 @@ ensureConfig([
  'LMS_BASE_URL',
 ], 'Posts API service');

-const apiBaseUrl = getConfig().LMS_BASE_URL;
-
-export const courseConfigApiUrl = `${apiBaseUrl}/api/discussion/v1/courses/`;
+export const getCourseConfigApiUrl = () => `${getConfig().LMS_BASE_URL}/api/discussion/v1/courses/`;

 /**
 * Get discussions course config
 * @param {string} courseId
 */
 export async function getDiscussionsConfig(courseId) {
-  const url = `${courseConfigApiUrl}${courseId}/`;
+  const url = `${getCourseConfigApiUrl()}${courseId}/`;
  const { data } = await getAuthenticatedHttpClient().get(url);
  return data;
 }
@@ -26,7 +24,7 @@ export async function getDiscussionsConfig(courseId) {
 * @param {string} courseId
 */
 export async function getDiscussionsSettings(courseId) {
-  const url = `${courseConfigApiUrl}${courseId}/settings`;
+  const url = `${getCourseConfigApiUrl()}${courseId}/settings`;
  const { data } = await getAuthenticatedHttpClient().get(url);
  return data;
 }
--- a/src/discussions/data/hooks.js
+++ b/src/discussions/data/hooks.js
@@ -1,6 +1,9 @@
 /* eslint-disable import/prefer-default-export */
 import {
-  useContext, useEffect, useRef, useState,
+  useContext,
+  useEffect,
+  useRef,
+  useState,
 } from 'react';

 import { useDispatch, useSelector } from 'react-redux';
@@ -10,20 +13,30 @@ import { getAuthenticatedUser } from '@edx/frontend-platform/auth';
 import { AppContext } from '@edx/frontend-platform/react';
 import { breakpoints, useWindowSize } from '@edx/paragon';

-import { Routes } from '../../data/constants';
+import { RequestStatus, Routes } from '../../data/constants';
 import { selectTopicsUnderCategory } from '../../data/selectors';
 import { fetchCourseBlocks } from '../../data/thunks';
 import { DiscussionContext } from '../common/context';
 import { clearRedirect } from '../posts/data';
+import { threadsLoadingStatus } from '../posts/data/selectors';
 import { selectTopics } from '../topics/data/selectors';
-import { fetchCourseTopics } from '../topics/data/thunks';
-import { discussionsPath } from '../utils';
+import tourCheckpoints from '../tours/constants';
+import { selectTours } from '../tours/data/selectors';
+import { updateTourShowStatus } from '../tours/data/thunks';
+import messages from '../tours/messages';
+import { discussionsPath, inBlackoutDateRange } from '../utils';
 import {
-  selectAreThreadsFiltered, selectLearnersTabEnabled,
+  selectAreThreadsFiltered,
+  selectBlackoutDate,
+  selectEnableInContext,
+  selectIsCourseAdmin,
+  selectIsCourseStaff,
+  selectLearnersTabEnabled,
  selectModerationSettings,
  selectPostThreadCount,
  selectUserHasModerationPrivileges,
  selectUserIsGroupTa,
+  selectUserIsStaff,
 } from './selectors';
 import { fetchCourseConfig } from './thunks';

@@ -34,27 +47,28 @@ export function useTotalTopicThreadCount() {
    return 0;
  }

-  return Object.keys(topics).reduce((total, topicId) => {
-    const topic = topics[topicId];
-    return total + topic.threadCounts.discussion + topic.threadCounts.question;
-  }, 0);
+  return Object.keys(topics)
+    .reduce((total, topicId) => {
+      const topic = topics[topicId];
+      return total + topic.threadCounts.discussion + topic.threadCounts.question;
+    }, 0);
 }

 export const useSidebarVisible = () => {
+  const enableInContext = useSelector(selectEnableInContext);
+  const isViewingTopics = useRouteMatch(Routes.TOPICS.ALL);
+  const isViewingLearners = useRouteMatch(Routes.LEARNERS.PATH);
  const isFiltered = useSelector(selectAreThreadsFiltered);
  const totalThreads = useSelector(selectPostThreadCount);
-  const isViewingTopics = useRouteMatch(Routes.TOPICS.PATH);
-  const isViewingLearners = useRouteMatch(Routes.LEARNERS.PATH);
+  const isThreadsEmpty = Boolean(useSelector(threadsLoadingStatus()) === RequestStatus.SUCCESSFUL && !totalThreads);
+  const isIncontextTopicsView = Boolean(useRouteMatch(Routes.TOPICS.PATH) && enableInContext);
+  const hideSidebar = Boolean(isThreadsEmpty && !isFiltered && !(isViewingTopics?.isExact || isViewingLearners));

-  if (isFiltered) {
+  if (isIncontextTopicsView) {
    return true;
  }

-  if (isViewingTopics || isViewingLearners) {
-    return true;
-  }
-
-  return totalThreads > 0;
+  return !hideSidebar;
 };

 export function useCourseDiscussionData(courseId) {
@@ -64,7 +78,6 @@ export function useCourseDiscussionData(courseId) {
  useEffect(() => {
    async function fetchBaseData() {
      await dispatch(fetchCourseConfig(courseId));
-      await dispatch(fetchCourseTopics(courseId));
      await dispatch(fetchCourseBlocks(courseId, authenticatedUser.username));
    }

@@ -72,7 +85,7 @@ export function useCourseDiscussionData(courseId) {
  }, [courseId]);
 }

-export function useRedirectToThread(courseId, inContext) {
+export function useRedirectToThread(courseId, enableInContextSidebar) {
  const dispatch = useDispatch();
  const redirectToThread = useSelector(
    (state) => state.threads.redirectToThread,
@@ -85,7 +98,7 @@ export function useRedirectToThread(courseId, inContext) {
    // stored in redirectToThread
    if (redirectToThread) {
      dispatch(clearRedirect());
-      const newLocation = discussionsPath(Routes.COMMENTS.PAGES[inContext ? 'topics' : 'my-posts'], {
+      const newLocation = discussionsPath(Routes.COMMENTS.PAGES[enableInContextSidebar ? 'topics' : 'my-posts'], {
        courseId,
        postId: redirectToThread.threadId,
        topicId: redirectToThread.topicId,
@@ -97,7 +110,7 @@ export function useRedirectToThread(courseId, inContext) {

 export function useIsOnDesktop() {
  const windowSize = useWindowSize();
-  return windowSize.width >= breakpoints.large.minWidth;
+  return windowSize.width >= breakpoints.medium.minWidth;
 }

 export function useIsOnXLDesktop() {
@@ -174,3 +187,61 @@ export const useCurrentDiscussionTopic = () => {
  }
  return null;
 };
+
+export const useUserCanAddThreadInBlackoutDate = () => {
+  const blackoutDateRange = useSelector(selectBlackoutDate);
+  const isUserAdmin = useSelector(selectUserIsStaff);
+  const userHasModerationPrivilages = useSelector(selectUserHasModerationPrivileges);
+  const isUserGroupTA = useSelector(selectUserIsGroupTa);
+  const isCourseAdmin = useSelector(selectIsCourseAdmin);
+  const isCourseStaff = useSelector(selectIsCourseStaff);
+  const isInBlackoutDateRange = inBlackoutDateRange(blackoutDateRange);
+
+  return (!(isInBlackoutDateRange)
+          || (isUserAdmin || userHasModerationPrivilages || isUserGroupTA || isCourseAdmin || isCourseStaff));
+};
+
+function camelToConstant(string) {
+  return string.replace(/[A-Z]/g, (match) => `_${match}`).toUpperCase();
+}
+
+export const useTourConfiguration = (intl) => {
+  const dispatch = useDispatch();
+
+  const { enableInContextSidebar } = useContext(DiscussionContext);
+  const tours = useSelector(selectTours);
+
+  return tours.map((tour) => (
+    {
+      tourId: tour.tourName,
+      advanceButtonText: intl.formatMessage(messages.advanceButtonText),
+      dismissButtonText: intl.formatMessage(messages.dismissButtonText),
+      endButtonText: intl.formatMessage(messages.endButtonText),
+      enabled: tour && Boolean(tour.showTour && !enableInContextSidebar),
+      onDismiss: () => dispatch(updateTourShowStatus(tour.id)),
+      onEnd: () => dispatch(updateTourShowStatus(tour.id)),
+      checkpoints: tourCheckpoints(intl)[camelToConstant(tour.tourName)],
+    }
+  ));
+};
+
+export const useDebounce = (value, delay) => {
+  // State and setters for debounced value
+  const [debouncedValue, setDebouncedValue] = useState(value);
+  useEffect(
+    () => {
+      // Update debounced value after delay
+      const handler = setTimeout(() => {
+        setDebouncedValue(value);
+      }, delay);
+      // Cancel the timeout if value changes (also on delay change or unmount)
+      // This is how we prevent debounced value from updating if value is changed ...
+      // .. within the delay period. Timeout gets cleared and restarted.
+      return () => {
+        clearTimeout(handler);
+      };
+    },
+    [value, delay], // Only re-call effect if value or delay changes
+  );
+  return debouncedValue;
+};
--- a/src/discussions/data/hooks.test.jsx
+++ b/src/discussions/data/hooks.test.jsx
@@ -1,15 +1,33 @@
 import { render } from '@testing-library/react';
+import MockAdapter from 'axios-mock-adapter';
 import { IntlProvider } from 'react-intl';
+import { Factory } from 'rosie';

 import { initializeMockApp } from '@edx/frontend-platform';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';

 import { initializeStore } from '../../store';
+import { executeThunk } from '../../test-utils';
 import { DiscussionContext } from '../common/context';
-import { useCurrentDiscussionTopic } from './hooks';
+import { getCourseConfigApiUrl } from './api';
+import { useCurrentDiscussionTopic, useUserCanAddThreadInBlackoutDate } from './hooks';
+import { fetchCourseConfig } from './thunks';

+const courseId = 'course-v1:edX+TestX+Test_Course';
+const courseConfigApiUrl = getCourseConfigApiUrl();
 let store;
-initializeMockApp();
+let axiosMock;
+
+const generateApiResponse = (blackouts = [], isCourseAdmin = false) => ({
+  blackouts,
+  hasModerationPrivileges: false,
+  isGroupTa: false,
+  isCourseAdmin,
+  isCourseStaff: false,
+  isUserAdmin: false,
+});
+
 describe('Hooks', () => {
  describe('useCurrentDiscussionTopic', () => {
    function ComponentWithHook() {
@@ -39,6 +57,7 @@ describe('Hooks', () => {
    }

    beforeEach(() => {
+      initializeMockApp();
      store = initializeStore({
        blocks: {
          blocks: {
@@ -82,4 +101,75 @@ describe('Hooks', () => {
      expect(queryByText('null')).toBeInTheDocument();
    });
  });
+
+  describe('useUserCanAddThreadInBlackoutDate', () => {
+    function ComponentWithHook() {
+      const userCanAddThreadInBlackoutDate = useUserCanAddThreadInBlackoutDate();
+      return (
+        <div>
+          {String(userCanAddThreadInBlackoutDate)}
+        </div>
+      );
+    }
+
+    function renderComponent() {
+      return render(
+        <IntlProvider locale="en">
+          <AppProvider store={store}>
+            <ComponentWithHook />
+          </AppProvider>
+        </IntlProvider>,
+      );
+    }
+    describe('User can add Thread in blackoutdates ', () => {
+      beforeEach(() => {
+        initializeMockApp({
+          authenticatedUser: {
+            userId: 3,
+            username: 'abc123',
+            administrator: true,
+            roles: [],
+          },
+        });
+        axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+        Factory.resetAll();
+        store = initializeStore();
+      });
+
+      test('when blackoutdates are not active and Role is Learner return true', async () => {
+        axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`)
+          .reply(200, generateApiResponse([], false));
+        await executeThunk(fetchCourseConfig(courseId), store.dispatch, store.getState);
+        const { queryByText } = renderComponent();
+        expect(queryByText('true')).toBeInTheDocument();
+      });
+
+      test('when blackoutdates are not active and Role is not Learner return true', async () => {
+        axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`)
+          .reply(200, generateApiResponse([], true));
+        await executeThunk(fetchCourseConfig(courseId), store.dispatch, store.getState);
+        const { queryByText } = renderComponent();
+        expect(queryByText('true')).toBeInTheDocument();
+      });
+
+      test('when blackoutdates are active and Role is Learner return false', async () => {
+        axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`)
+          .reply(200, generateApiResponse([{
+            start: '2022-11-25T00:00:00Z',
+            end: '2050-11-25T23:59:00Z',
+          }], false));
+        await executeThunk(fetchCourseConfig(courseId), store.dispatch, store.getState);
+        const { queryByText } = renderComponent();
+        expect(queryByText('false')).toBeInTheDocument();
+      });
+
+      test('when blackoutdates are active and Role is not Learner return true', async () => {
+        axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`)
+          .reply(200, generateApiResponse([
+            { start: '2022-11-25T00:00:00Z', end: '2050-11-25T23:59:00Z' }], true));
+        const { queryByText } = renderComponent();
+        expect(queryByText('true')).toBeInTheDocument();
+      });
+    });
+  });
 });
--- a/src/discussions/data/selectors.js
+++ b/src/discussions/data/selectors.js
@@ -24,6 +24,12 @@ export const selectBlackoutDate = state => state.config.blackouts;

 export const selectGroupAtSubsection = state => state.config.groupAtSubsection;

+export const selectIsCourseAdmin = state => state.config.isCourseAdmin;
+
+export const selectIsCourseStaff = state => state.config.isCourseStaff;
+
+export const selectEnableInContext = state => state.config.enableInContext;
+
 export const selectModerationSettings = state => ({
  postCloseReasons: state.config.postCloseReasons,
  editReasons: state.config.editReasons,
@@ -47,7 +53,7 @@ export function selectAreThreadsFiltered(state) {

 export function selectTopicThreadCount(topicId) {
  return state => {
-    const topic = state.topics.topics[topicId];
+    const topic = topicId && state.topics?.topics[topicId];
    if (!topic) {
      return 0;
    }
--- a/src/discussions/data/slices.js
+++ b/src/discussions/data/slices.js
@@ -14,6 +14,8 @@ const configSlice = createSlice({
    groupAtSubsection: false,
    hasModerationPrivileges: false,
    isGroupTa: false,
+    isCourseAdmin: false,
+    isCourseStaff: false,
    isUserAdmin: false,
    learnersTabEnabled: false,
    settings: {
@@ -25,6 +27,7 @@ const configSlice = createSlice({
    reasonCodesEnabled: false,
    editReasons: [],
    postCloseReasons: [],
+    enableInContext: false,
  },
  reducers: {
    fetchConfigRequest: (state) => {
--- a/src/discussions/data/thunks.js
+++ b/src/discussions/data/thunks.js
@@ -3,7 +3,7 @@ import { camelCaseObject } from '@edx/frontend-platform';
 import { logError } from '@edx/frontend-platform/logging';

 import {
-  LearnersOrdering,
+  DiscussionProvider, LearnersOrdering,
  PostsStatusFilter,
 } from '../../data/constants';
 import { setSortedBy } from '../learners/data';
@@ -36,7 +36,10 @@ export function fetchCourseConfig(courseId) {
        learnerSort = LearnersOrdering.BY_FLAG;
      }

-      dispatch(fetchConfigSuccess(camelCaseObject(config)));
+      dispatch(fetchConfigSuccess(camelCaseObject({
+        ...config,
+        enable_in_context: config.provider === DiscussionProvider.OPEN_EDX,
+      })));
      dispatch(setSortedBy(learnerSort));
      dispatch(setStatusFilter(postsFilterStatus));
    } catch (error) {
--- a/src/discussions/discussions-home/DiscussionContent.jsx
+++ b/src/discussions/discussions-home/DiscussionContent.jsx
@@ -6,7 +6,7 @@ import { Route, Switch } from 'react-router';
 import { injectIntl } from '@edx/frontend-platform/i18n';

 import { Routes } from '../../data/constants';
-import { CommentsView } from '../comments';
+import { PostCommentsView } from '../post-comments';
 import { PostEditor } from '../posts';

 function DiscussionContent() {
@@ -25,7 +25,7 @@ function DiscussionContent() {
              <PostEditor editExisting />
            </Route>
            <Route path={Routes.COMMENTS.PATH}>
-              <CommentsView />
+              <PostCommentsView />
            </Route>
          </Switch>
        )}
--- a/src/discussions/discussions-home/DiscussionSidebar.jsx
+++ b/src/discussions/discussions-home/DiscussionSidebar.jsx
@@ -14,51 +14,72 @@ import { DiscussionContext } from '../common/context';
 import {
  useContainerSize, useIsOnDesktop, useIsOnXLDesktop, useShowLearnersTab,
 } from '../data/hooks';
-import { selectconfigLoadingStatus } from '../data/selectors';
+import { selectconfigLoadingStatus, selectEnableInContext } from '../data/selectors';
+import { TopicPostsView, TopicsView as InContextTopicsView } from '../in-context-topics';
 import { LearnerPostsView, LearnersView } from '../learners';
 import { PostsView } from '../posts';
-import { TopicsView } from '../topics';
+import { TopicsView as LegacyTopicsView } from '../topics';

 export default function DiscussionSidebar({ displaySidebar, postActionBarRef }) {
  const location = useLocation();
  const isOnDesktop = useIsOnDesktop();
  const isOnXLDesktop = useIsOnXLDesktop();
+  const { enableInContextSidebar } = useContext(DiscussionContext);
+  const enableInContext = useSelector(selectEnableInContext);
  const configStatus = useSelector(selectconfigLoadingStatus);
  const redirectToLearnersTab = useShowLearnersTab();
  const sidebarRef = useRef(null);
  const postActionBarHeight = useContainerSize(postActionBarRef);
  const { height: windowHeight } = useWindowSize();
-  const { inContext } = useContext(DiscussionContext);

  useEffect(() => {
-    if (sidebarRef && postActionBarHeight && !inContext) {
+    if (sidebarRef && postActionBarHeight && !enableInContextSidebar) {
      if (isOnDesktop) {
        sidebarRef.current.style.maxHeight = `${windowHeight - postActionBarHeight}px`;
      }
      sidebarRef.current.style.minHeight = `${windowHeight - postActionBarHeight}px`;
      sidebarRef.current.style.top = `${postActionBarHeight}px`;
    }
-  }, [sidebarRef, postActionBarHeight, inContext]);
+  }, [sidebarRef, postActionBarHeight, enableInContextSidebar]);

  return (
    <div
      ref={sidebarRef}
-      className={classNames('flex-column  position-sticky', {
+      className={classNames('flex-column position-sticky', {
        'd-none': !displaySidebar,
-        'd-flex overflow-auto': displaySidebar,
+        'd-flex overflow-auto box-shadow-centered-1': displaySidebar,
        'w-100': !isOnDesktop,
        'sidebar-desktop-width': isOnDesktop && !isOnXLDesktop,
        'w-25 sidebar-XL-width': isOnXLDesktop,
-        'min-content-height': !inContext,
+        'min-content-height': !enableInContextSidebar,
      })}
      data-testid="sidebar"
    >
      <Switch>
+        {enableInContext && !enableInContextSidebar && (
+          <Route
+            path={Routes.TOPICS.ALL}
+            component={InContextTopicsView}
+            exact
+          />
+        )}
+        {enableInContext && !enableInContextSidebar && (
+          <Route
+            path={[
+              Routes.TOPICS.TOPIC,
+              Routes.TOPICS.CATEGORY,
+              Routes.TOPICS.TOPIC_POST,
+              Routes.TOPICS.TOPIC_POST_EDIT,
+            ]}
+            component={TopicPostsView}
+            exact
+          />
+        )}
        <Route
-          path={[Routes.POSTS.PATH, Routes.POSTS.ALL_POSTS, Routes.TOPICS.CATEGORY, Routes.POSTS.MY_POSTS]}
+          path={[Routes.POSTS.ALL_POSTS, Routes.POSTS.MY_POSTS, Routes.POSTS.PATH, Routes.TOPICS.CATEGORY]}
          component={PostsView}
        />
-        <Route path={Routes.TOPICS.PATH} component={TopicsView} />
+        <Route path={Routes.TOPICS.PATH} component={LegacyTopicsView} />
        {redirectToLearnersTab && (
          <Route path={Routes.LEARNERS.POSTS} component={LearnerPostsView} />
        )}
@@ -66,13 +87,13 @@ export default function DiscussionSidebar({ displaySidebar, postActionBarRef })
          <Route path={Routes.LEARNERS.PATH} component={LearnersView} />
        )}
        {configStatus === RequestStatus.SUCCESSFUL && (
-        <Redirect
-          from={Routes.DISCUSSIONS.PATH}
-          to={{
-            ...location,
-            pathname: Routes.POSTS.ALL_POSTS,
-          }}
-        />
+          <Redirect
+            from={Routes.DISCUSSIONS.PATH}
+            to={{
+              ...location,
+              pathname: Routes.POSTS.ALL_POSTS,
+            }}
+          />
        )}
      </Switch>
    </div>
--- a/src/discussions/discussions-home/DiscussionSidebar.test.jsx
+++ b/src/discussions/discussions-home/DiscussionSidebar.test.jsx
@@ -13,7 +13,7 @@ import { AppProvider } from '@edx/frontend-platform/react';
 import { initializeStore } from '../../store';
 import { DiscussionContext } from '../common/context';
 import { fetchConfigSuccess } from '../data/slices';
-import { threadsApiUrl } from '../posts/data/api';
+import { getThreadsApiUrl } from '../posts/data/api';
 import DiscussionSidebar from './DiscussionSidebar';

 import '../posts/data/__factories__';
@@ -21,6 +21,7 @@ import '../posts/data/__factories__';
 let store;
 let container;
 const courseId = 'course-v1:edX+DemoX+Demo_Course';
+const threadsApiUrl = getThreadsApiUrl();
 let axiosMock;

 function renderComponent(displaySidebar = true, location = `/${courseId}/`) {
--- a/src/discussions/discussions-home/DiscussionsHome.jsx
+++ b/src/discussions/discussions-home/DiscussionsHome.jsx
@@ -12,60 +12,53 @@ import { getConfig } from '@edx/frontend-platform';

 import { PostActionsBar } from '../../components';
 import { CourseTabsNavigation } from '../../components/NavigationBar';
+import { selectCourseTabs } from '../../components/NavigationBar/data/selectors';
 import { ALL_ROUTES, DiscussionProvider, Routes } from '../../data/constants';
 import { DiscussionContext } from '../common/context';
 import {
  useCourseDiscussionData, useIsOnDesktop, useRedirectToThread, useShowLearnersTab, useSidebarVisible,
 } from '../data/hooks';
-import { selectDiscussionProvider } from '../data/selectors';
+import { selectDiscussionProvider, selectEnableInContext } from '../data/selectors';
 import { EmptyLearners, EmptyPosts, EmptyTopics } from '../empty-posts';
+import { EmptyTopic as InContextEmptyTopics } from '../in-context-topics/components';
 import messages from '../messages';
-import { BreadcrumbMenu, LegacyBreadcrumbMenu, NavigationBar } from '../navigation';
+import { LegacyBreadcrumbMenu, NavigationBar } from '../navigation';
+import { selectPostEditorVisible } from '../posts/data/selectors';
+import DiscussionsProductTour from '../tours/DiscussionsProductTour';
 import { postMessageToParent } from '../utils';
 import BlackoutInformationBanner from './BlackoutInformationBanner';
 import DiscussionContent from './DiscussionContent';
 import DiscussionSidebar from './DiscussionSidebar';
-import InformationBanner from './InformationsBanner';
+import InformationBanner from './InformationBanner';

 export default function DiscussionsHome() {
  const location = useLocation();
  const postActionBarRef = useRef(null);
-  const postEditorVisible = useSelector(
-    (state) => state.threads.postEditorVisible,
-  );
-  const {
-    params: { page },
-  } = useRouteMatch(`${Routes.COMMENTS.PAGE}?`);
-
+  const postEditorVisible = useSelector(selectPostEditorVisible);
+  const provider = useSelector(selectDiscussionProvider);
+  const enableInContext = useSelector(selectEnableInContext);
+  const { courseNumber, courseTitle, org } = useSelector(selectCourseTabs);
+  const { params: { page } } = useRouteMatch(`${Routes.COMMENTS.PAGE}?`);
  const { params: { path } } = useRouteMatch(`${Routes.DISCUSSIONS.PATH}/:path*`);
  const { params } = useRouteMatch(ALL_ROUTES);
  const isRedirectToLearners = useShowLearnersTab();
-  const isFeedbackBannerVisible = getConfig().DISPLAY_FEEDBACK_BANNER === 'true';
-
-  const {
-    courseId,
-    postId,
-    topicId,
-    category,
-    learnerUsername,
-  } = params;
-  const inContext = new URLSearchParams(location.search).get('inContext') !== null;
-  // Display the content area if we are currently viewing/editing a post or creating one.
-  const displayContentArea = postId || postEditorVisible || (learnerUsername && postId);
-  let displaySidebar = useSidebarVisible();
-
  const isOnDesktop = useIsOnDesktop();
+  let displaySidebar = useSidebarVisible();
+  const enableInContextSidebar = Boolean(new URLSearchParams(location.search).get('inContextSidebar') !== null);
+  const isFeedbackBannerVisible = getConfig().DISPLAY_FEEDBACK_BANNER === 'true';
+  const {
+    courseId, postId, topicId, category, learnerUsername,
+  } = params;

-  const { courseNumber, courseTitle, org } = useSelector((state) => state.courseTabs);
-  if (displayContentArea) {
-    // If the window is larger than a particular size, show the sidebar for navigating between posts/topics.
-    // However, for smaller screens or embeds, only show the sidebar if the content area isn't displayed.
-    displaySidebar = isOnDesktop;
-  }
-
-  const provider = useSelector(selectDiscussionProvider);
  useCourseDiscussionData(courseId);
-  useRedirectToThread(courseId, inContext);
+  useRedirectToThread(courseId, enableInContextSidebar);
+
+  /*  Display the content area if we are currently viewing/editing a post or creating one.
+  If the window is larger than a particular size, show the sidebar for navigating between posts/topics.
+  However, for smaller screens or embeds, onlyshow the sidebar if the content area isn't displayed. */
+  const displayContentArea = (postId || postEditorVisible || (learnerUsername && postId));
+  if (displayContentArea) { displaySidebar = isOnDesktop; }
+
  useEffect(() => {
    if (path && path !== 'undefined') {
      postMessageToParent('discussions.navigate', { path });
@@ -78,41 +71,47 @@ export default function DiscussionsHome() {
      courseId,
      postId,
      topicId,
-      inContext,
+      enableInContextSidebar,
      category,
      learnerUsername,
    }}
    >
-      {!inContext && <Header courseOrg={org} courseNumber={courseNumber} courseTitle={courseTitle} />}
+      {!enableInContextSidebar && <Header courseOrg={org} courseNumber={courseNumber} courseTitle={courseTitle} />}
      <main className="container-fluid d-flex flex-column p-0 w-100" id="main" tabIndex="-1">
-        {!inContext && <CourseTabsNavigation activeTab="discussion" courseId={courseId} />}
+        {!enableInContextSidebar && <CourseTabsNavigation activeTab="discussion" courseId={courseId} />}
        <div
-          className={classNames('header-action-bar', { 'shadow-none border-light-300 border-bottom': inContext })}
+          className={classNames('header-action-bar', {
+            'shadow-none border-light-300 border-bottom': enableInContextSidebar,
+          })}
          ref={postActionBarRef}
        >
          <div
            className={classNames('d-flex flex-row justify-content-between navbar fixed-top', {
-              'pl-4 pr-2.5 py-1.5': inContext,
+              'pl-4 pr-3 py-0': enableInContextSidebar,
            })}
          >
-            {!inContext && <Route path={Routes.DISCUSSIONS.PATH} component={NavigationBar} />}
-            <PostActionsBar inContext={inContext} />
+            {!enableInContextSidebar && <Route path={Routes.DISCUSSIONS.PATH} component={NavigationBar} />}
+            <PostActionsBar />
          </div>
          {isFeedbackBannerVisible && <InformationBanner />}
          <BlackoutInformationBanner />
        </div>
-        {!inContext && (
+        {provider === DiscussionProvider.LEGACY && (
          <Route
            path={[Routes.POSTS.PATH, Routes.TOPICS.CATEGORY]}
-            component={provider === DiscussionProvider.LEGACY ? LegacyBreadcrumbMenu : BreadcrumbMenu}
+            component={LegacyBreadcrumbMenu}
          />
        )}
+
        <div className="d-flex flex-row">
          <DiscussionSidebar displaySidebar={displaySidebar} postActionBarRef={postActionBarRef} />
          {displayContentArea && <DiscussionContent />}
          {!displayContentArea && (
            <Switch>
-              <Route path={Routes.TOPICS.PATH} component={EmptyTopics} />
+              <Route
+                path={Routes.TOPICS.PATH}
+                component={(enableInContext || enableInContextSidebar) ? InContextEmptyTopics : EmptyTopics}
+              />
              <Route
                path={Routes.POSTS.MY_POSTS}
                render={routeProps => <EmptyPosts {...routeProps} subTitleMessage={messages.emptyMyPosts} />}
@@ -121,12 +120,13 @@ export default function DiscussionsHome() {
                path={[Routes.POSTS.PATH, Routes.POSTS.ALL_POSTS, Routes.LEARNERS.POSTS]}
                render={routeProps => <EmptyPosts {...routeProps} subTitleMessage={messages.emptyAllPosts} />}
              />
-              {isRedirectToLearners && <Route path={Routes.LEARNERS.PATH} component={EmptyLearners} /> }
+              {isRedirectToLearners && <Route path={Routes.LEARNERS.PATH} component={EmptyLearners} />}
            </Switch>
          )}
        </div>
+        <DiscussionsProductTour />
      </main>
-      {!inContext && <Footer />}
+      {!enableInContextSidebar && <Footer />}
    </DiscussionContext.Provider>
  );
 }
--- a/src/discussions/discussions-home/DiscussionsHome.test.jsx
+++ b/src/discussions/discussions-home/DiscussionsHome.test.jsx
@@ -1,18 +1,25 @@
 import {
  fireEvent, render, screen, waitFor,
 } from '@testing-library/react';
+import MockAdapter from 'axios-mock-adapter';
 import { act } from 'react-dom/test-utils';
 import { IntlProvider } from 'react-intl';
 import { Context as ResponsiveContext } from 'react-responsive';
 import { MemoryRouter } from 'react-router';

 import { initializeMockApp } from '@edx/frontend-platform';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';

 import { initializeStore } from '../../store';
+import { executeThunk } from '../../test-utils';
+import { getCourseConfigApiUrl } from '../data/api';
+import { fetchCourseConfig } from '../data/thunks';
 import navigationBarMessages from '../navigation/navigation-bar/messages';
 import DiscussionsHome from './DiscussionsHome';

+const courseConfigApiUrl = getCourseConfigApiUrl();
+let axiosMock;
 let store;
 const courseId = 'course-v1:edX+DemoX+Demo_Course';

@@ -40,7 +47,7 @@ describe('DiscussionsHome', () => {
        roles: [],
      },
    });
-
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
    store = initializeStore();
  });

@@ -63,7 +70,9 @@ describe('DiscussionsHome', () => {
  });

  test('in-context view should show close button', async () => {
-    renderComponent(`/${courseId}/topics?inContext`);
+    axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`).reply(200, { provider: 'openedx' });
+    await executeThunk(fetchCourseConfig(courseId), store.dispatch, store.getState);
+    renderComponent(`/${courseId}/topics?inContextSidebar`);

    expect(screen.queryByText(navigationBarMessages.allTopics.defaultMessage))
      .not
@@ -73,10 +82,12 @@ describe('DiscussionsHome', () => {
  });

  test('the close button should post a message', async () => {
+    axiosMock.onGet(`${courseConfigApiUrl}${courseId}/`).reply(200, { provider: 'openedx' });
+    await executeThunk(fetchCourseConfig(courseId), store.dispatch, store.getState);
    const { parent } = window;
    delete window.parent;
    window.parent = { ...window, postMessage: jest.fn() };
-    renderComponent(`/${courseId}/topics?inContext`);
+    renderComponent(`/${courseId}/topics?inContextSidebar`);

    const closeButton = screen.queryByRole('button', { name: 'Close' });

@@ -88,7 +99,7 @@ describe('DiscussionsHome', () => {
    window.parent = parent;
  });

-  test('header, course navigation bar and footer are visible', async () => {
+  test('header, course navigation bar and footer are only visible in Discussions MFE', async () => {
    renderComponent();
    expect(screen.queryByRole('banner')).toBeInTheDocument();
    expect(document.getElementById('courseTabsNavigation')).toBeInTheDocument();
--- a/src/discussions/discussions-home/InformationsBanner.jsx
+++ b/src/discussions/discussions-home/InformationsBanner.jsx
--- a/src/discussions/discussions-home/InformationBanner.test.jsx
+++ b/src/discussions/discussions-home/InformationBanner.test.jsx
@@ -8,7 +8,7 @@ import { initializeStore } from '../../store';
 import { DiscussionContext } from '../common/context';
 import { fetchConfigSuccess } from '../data/slices';
 import messages from '../messages';
-import InformationBanner from './InformationsBanner';
+import InformationBanner from './InformationBanner';

 import '../posts/data/__factories__';

--- a/src/discussions/empty-posts/EmptyPosts.jsx
+++ b/src/discussions/empty-posts/EmptyPosts.jsx
@@ -52,7 +52,11 @@ function EmptyPosts({ intl, subTitleMessage }) {
 }

 EmptyPosts.propTypes = {
-  subTitleMessage: propTypes.string.isRequired,
+  subTitleMessage: propTypes.shape({
+    id: propTypes.string,
+    defaultMessage: propTypes.string,
+    description: propTypes.string,
+  }).isRequired,
  intl: intlShape.isRequired,
 };

--- a/src/discussions/empty-posts/EmptyPosts.test.jsx
+++ b/src/discussions/empty-posts/EmptyPosts.test.jsx
@@ -12,7 +12,7 @@ import { AppProvider } from '@edx/frontend-platform/react';
 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
 import messages from '../messages';
-import { threadsApiUrl } from '../posts/data/api';
+import { getThreadsApiUrl } from '../posts/data/api';
 import { fetchThreads } from '../posts/data/thunks';
 import EmptyPosts from './EmptyPosts';

@@ -20,6 +20,7 @@ import '../posts/data/__factories__';

 let store;
 const courseId = 'course-v1:edX+DemoX+Demo_Course';
+const threadsApiUrl = getThreadsApiUrl();

 function renderComponent(location = `/${courseId}/`) {
  return render(
--- a/src/discussions/empty-posts/EmptyTopics.test.jsx
+++ b/src/discussions/empty-posts/EmptyTopics.test.jsx
@@ -9,7 +9,7 @@ import { initializeMockApp } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';

-import { API_BASE_URL } from '../../data/constants';
+import { getApiBaseUrl } from '../../data/constants';
 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
 import messages from '../messages';
@@ -20,7 +20,7 @@ import '../topics/data/__factories__';

 let store;
 const courseId = 'course-v1:edX+DemoX+Demo_Course';
-const topicsApiUrl = `${API_BASE_URL}/api/discussion/v1/course_topics/${courseId}`;
+const topicsApiUrl = `${getApiBaseUrl()}/api/discussion/v1/course_topics/${courseId}`;

 function renderComponent(location = `/${courseId}/topics/`) {
  return render(
--- a/src/discussions/in-context-topics/TopicPostsView.jsx
+++ b/src/discussions/in-context-topics/TopicPostsView.jsx
@@ -0,0 +1,85 @@
+import React, { useContext } from 'react';
+
+import { useSelector } from 'react-redux';
+import { useLocation } from 'react-router-dom';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Spinner } from '@edx/paragon';
+
+import { RequestStatus, Routes } from '../../data/constants';
+import { DiscussionContext } from '../common/context';
+import { selectTopicThreads } from '../posts/data/selectors';
+import PostsList from '../posts/PostsList';
+import { discussionsPath, handleKeyDown } from '../utils';
+import {
+  selectArchivedTopic, selectLoadingStatus, selectNonCoursewareTopics,
+  selectSubsection, selectSubsectionUnits, selectUnits,
+} from './data/selectors';
+import { BackButton, NoResults } from './components';
+import messages from './messages';
+import { Topic } from './topic';
+
+function TopicPostsView({ intl }) {
+  const location = useLocation();
+  const { courseId, topicId, category } = useContext(DiscussionContext);
+  const topicsLoadingStatus = useSelector(selectLoadingStatus);
+  const posts = useSelector(selectTopicThreads([topicId]));
+  const selectedSubsectionUnits = useSelector(selectSubsectionUnits(category));
+  const selectedSubsection = useSelector(selectSubsection(category));
+  const selectedUnit = useSelector(selectUnits)?.find(unit => unit.id === topicId);
+  const selectedNonCoursewareTopic = useSelector(selectNonCoursewareTopics)?.find(topic => topic.id === topicId);
+  const selectedArchivedTopic = useSelector(selectArchivedTopic(topicId));
+
+  const backButtonPath = () => {
+    const path = selectedUnit ? Routes.TOPICS.CATEGORY : Routes.TOPICS.ALL;
+    const params = selectedUnit ? { courseId, category: selectedUnit?.parentId } : { courseId };
+    return discussionsPath(path, params)(location);
+  };
+
+  return (
+    <div className="discussion-posts d-flex flex-column h-100">
+      {topicId ? (
+        <BackButton
+          path={backButtonPath()}
+          title={selectedUnit?.name || selectedNonCoursewareTopic?.name || selectedArchivedTopic?.name
+            || intl.formatMessage(messages.unnamedTopic)}
+        />
+      ) : (
+        <BackButton
+          path={discussionsPath(Routes.TOPICS.ALL, { courseId })(location)}
+          title={selectedSubsection?.displayName || intl.formatMessage(messages.unnamedSubsection)}
+        />
+      )}
+      <div className="border-bottom border-light-400" />
+      <div className="list-group list-group-flush flex-fill" role="list" onKeyDown={e => handleKeyDown(e)}>
+        {topicId ? (
+          <PostsList
+            posts={posts}
+            topics={[topicId]}
+          />
+        ) : (
+          selectedSubsectionUnits?.map((unit) => (
+            <Topic
+              key={unit.id}
+              topic={unit}
+            />
+          ))
+        )}
+        {(category && selectedSubsectionUnits.length === 0 && topicsLoadingStatus === RequestStatus.SUCCESSFUL) && (
+          <NoResults />
+        )}
+        {(category && topicsLoadingStatus === RequestStatus.IN_PROGRESS) && (
+          <div className="d-flex justify-content-center p-4">
+            <Spinner animation="border" variant="primary" size="lg" />
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}
+
+TopicPostsView.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(TopicPostsView);
--- a/src/discussions/in-context-topics/TopicsView.jsx
+++ b/src/discussions/in-context-topics/TopicsView.jsx
@@ -0,0 +1,121 @@
+import React, { useContext, useEffect } from 'react';
+
+import classNames from 'classnames';
+import isEmpty from 'lodash/isEmpty';
+import { useDispatch, useSelector } from 'react-redux';
+
+import { Spinner } from '@edx/paragon';
+
+import SearchInfo from '../../components/SearchInfo';
+import { RequestStatus } from '../../data/constants';
+import { DiscussionContext } from '../common/context';
+import { selectAreThreadsFiltered, selectDiscussionProvider } from '../data/selectors';
+import { clearFilter, clearSort } from '../posts/data/slices';
+import NoResults from '../posts/NoResults';
+import { handleKeyDown } from '../utils';
+import {
+  selectArchivedTopics, selectCoursewareTopics, selectFilteredTopics, selectLoadingStatus,
+  selectNonCoursewareTopics, selectTopicFilter, selectTopics,
+} from './data/selectors';
+import { setFilter } from './data/slices';
+import { fetchCourseTopicsV3 } from './data/thunks';
+import { ArchivedBaseGroup, SectionBaseGroup, Topic } from './topic';
+
+function TopicsList() {
+  const loadingStatus = useSelector(selectLoadingStatus);
+  const coursewareTopics = useSelector(selectCoursewareTopics);
+  const nonCoursewareTopics = useSelector(selectNonCoursewareTopics);
+  const archivedTopics = useSelector(selectArchivedTopics);
+
+  return (
+    <>
+      {nonCoursewareTopics?.map((topic, index) => (
+        <Topic
+          key={topic.id}
+          topic={topic}
+          showDivider={(nonCoursewareTopics.length - 1) !== index}
+        />
+      ))}
+      {coursewareTopics?.map((topic, index) => (
+        <SectionBaseGroup
+          key={topic.id}
+          section={topic?.children}
+          sectionId={topic.id}
+          sectionTitle={topic.displayName}
+          showDivider={(coursewareTopics.length - 1) !== index}
+        />
+      ))}
+      {!isEmpty(archivedTopics) && (
+        <ArchivedBaseGroup
+          archivedTopics={archivedTopics}
+          showDivider={(!isEmpty(nonCoursewareTopics) || !isEmpty(coursewareTopics))}
+        />
+      )}
+      {loadingStatus === RequestStatus.IN_PROGRESS && (
+        <div className="d-flex justify-content-center p-4">
+          <Spinner animation="border" variant="primary" size="lg" />
+        </div>
+      )}
+    </>
+  );
+}
+
+function TopicsView() {
+  const dispatch = useDispatch();
+  const { courseId } = useContext(DiscussionContext);
+  const provider = useSelector(selectDiscussionProvider);
+  const topicFilter = useSelector(selectTopicFilter);
+  const filteredTopics = useSelector(selectFilteredTopics);
+  const loadingStatus = useSelector(selectLoadingStatus);
+  const isPostsFiltered = useSelector(selectAreThreadsFiltered);
+  const topics = useSelector(selectTopics);
+
+  useEffect(() => {
+    if (provider) {
+      dispatch(fetchCourseTopicsV3(courseId));
+    }
+  }, [provider]);
+
+  useEffect(() => {
+    if (isPostsFiltered) {
+      dispatch(clearFilter());
+      dispatch(clearSort());
+    }
+  }, [isPostsFiltered]);
+
+  return (
+    <div className="d-flex flex-column h-100" data-testid="inContext-topics-view">
+      {topicFilter && (
+        <>
+          <SearchInfo
+            text={topicFilter}
+            count={filteredTopics.length}
+            loadingStatus={loadingStatus}
+            onClear={() => dispatch(setFilter(''))}
+          />
+          {filteredTopics.length === 0 && loadingStatus === RequestStatus.SUCCESSFUL && <NoResults />}
+        </>
+      )}
+      <div
+        className={classNames('list-group list-group-flush flex-fill', {
+          'justify-content-center': loadingStatus === RequestStatus.IN_PROGRESS && isEmpty(topics),
+        })}
+        role="list"
+        onKeyDown={e => handleKeyDown(e)}
+      >
+        {topicFilter ? (
+          filteredTopics?.map((topic) => (
+            <Topic
+              key={topic.id}
+              topic={topic}
+            />
+          ))
+        ) : (
+          <TopicsList />
+        )}
+      </div>
+    </div>
+  );
+}
+
+export default TopicsView;
--- a/src/discussions/in-context-topics/components/BackButton.jsx
+++ b/src/discussions/in-context-topics/components/BackButton.jsx
@@ -0,0 +1,41 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import { useHistory } from 'react-router-dom';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Icon, IconButton } from '@edx/paragon';
+import { ArrowBack } from '@edx/paragon/icons';
+
+import messages from '../messages';
+
+function BackButton({ intl, path, title }) {
+  const history = useHistory();
+
+  return (
+    <>
+      <div className="d-flex py-2.5 px-3 font-weight-bold border-light-400 border-bottom">
+        <IconButton
+          src={ArrowBack}
+          iconAs={Icon}
+          style={{ padding: '18px' }}
+          size="inline"
+          onClick={() => history.push(path)}
+          alt={intl.formatMessage(messages.backAlt)}
+        />
+        <div className="d-flex flex-fill justify-content-center align-items-center mr-4.5">
+          {title}
+        </div>
+      </div>
+      <div className="border-bottom border-light-400" />
+    </>
+  );
+}
+
+BackButton.propTypes = {
+  intl: intlShape.isRequired,
+  path: PropTypes.shape({}).isRequired,
+  title: PropTypes.string.isRequired,
+};
+
+export default injectIntl(BackButton);
--- a/src/discussions/in-context-topics/components/EmptyTopics.jsx
+++ b/src/discussions/in-context-topics/components/EmptyTopics.jsx
@@ -0,0 +1,83 @@
+import React, { useContext } from 'react';
+
+import { useDispatch, useSelector } from 'react-redux';
+import { useRouteMatch } from 'react-router';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+
+import { ALL_ROUTES } from '../../../data/constants';
+import { DiscussionContext } from '../../common/context';
+import { useIsOnDesktop } from '../../data/hooks';
+import { selectPostThreadCount } from '../../data/selectors';
+import EmptyPage from '../../empty-posts/EmptyPage';
+import messages from '../../messages';
+import { messages as postMessages, showPostEditor } from '../../posts';
+import { selectCourseWareThreadsCount, selectTotalTopicsThreadsCount } from '../data/selectors';
+
+function EmptyTopics({ intl }) {
+  const match = useRouteMatch(ALL_ROUTES);
+  const dispatch = useDispatch();
+  const { enableInContextSidebar } = useContext(DiscussionContext);
+  const courseWareThreadsCount = useSelector(selectCourseWareThreadsCount(match.params.category));
+  const topicThreadsCount = useSelector(selectPostThreadCount);
+  // hasGlobalThreads is used to determine if there are any post available in courseware and non-courseware topics
+  const hasGlobalThreads = useSelector(selectTotalTopicsThreadsCount) > 0;
+
+  function addPost() {
+    return dispatch(showPostEditor());
+  }
+
+  const isOnDesktop = useIsOnDesktop();
+
+  let title = messages.emptyTitle;
+  let fullWidth = false;
+  let subTitle;
+  let action;
+  let actionText;
+
+  if (!isOnDesktop) {
+    return null;
+  }
+
+  if (match.params.topicId) {
+    if (topicThreadsCount > 0) {
+      title = messages.noPostSelected;
+    } else {
+      action = addPost;
+      actionText = postMessages.addAPost;
+      subTitle = messages.emptyTopic;
+      fullWidth = true;
+    }
+  } else if (match.params.category) {
+    if (enableInContextSidebar && topicThreadsCount > 0) {
+      title = messages.noPostSelected;
+    } else if (courseWareThreadsCount > 0) {
+      title = messages.noTopicSelected;
+    } else {
+      action = addPost;
+      actionText = postMessages.addAPost;
+      subTitle = messages.emptyTopic;
+      fullWidth = true;
+    }
+  } else if (hasGlobalThreads) {
+    title = messages.noTopicSelected;
+  } else {
+    fullWidth = true;
+  }
+
+  return (
+    <EmptyPage
+      title={intl.formatMessage(title)}
+      subTitle={subTitle && intl.formatMessage(subTitle)}
+      action={action}
+      actionText={actionText && intl.formatMessage(actionText)}
+      fullWidth={fullWidth}
+    />
+  );
+}
+
+EmptyTopics.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(EmptyTopics);
--- a/src/discussions/in-context-topics/components/NoResults.jsx
+++ b/src/discussions/in-context-topics/components/NoResults.jsx
@@ -0,0 +1,29 @@
+import { useSelector } from 'react-redux';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+
+import { selectTopics } from '../data/selectors';
+import messages from '../messages';
+
+function NoResults({ intl }) {
+  const topics = useSelector(selectTopics);
+
+  let title = messages.nothingHere;
+  const helpMessage = '';
+  if (topics.length === 0) {
+    title = messages.noTopicExists;
+  }
+
+  return (
+    <div className="h-100 mt-5 align-self-center mx-auto w-50 d-flex flex-column justify-content-center text-center">
+      <h4 className="font-weight-normal text-primary-500">{intl.formatMessage(title)}</h4>
+      { helpMessage && <small className="font-weight-normal text-gray-700">{intl.formatMessage(helpMessage)}</small>}
+    </div>
+  );
+}
+
+NoResults.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(NoResults);
--- a/src/discussions/in-context-topics/components/index.js
+++ b/src/discussions/in-context-topics/components/index.js
@@ -0,0 +1,4 @@
+/* eslint-disable import/prefer-default-export */
+export { default as BackButton } from './BackButton';
+export { default as EmptyTopic } from './EmptyTopics';
+export { default as NoResults } from './NoResults';
--- a/src/discussions/in-context-topics/data/factories/inContextTopics.factory.js
+++ b/src/discussions/in-context-topics/data/factories/inContextTopics.factory.js
@@ -0,0 +1,78 @@
+import { Factory } from 'rosie';
+
+import { getApiBaseUrl } from '../../../../data/constants';
+
+Factory.define('topic')
+  .sequence('id', ['topicPrefix'], (idx, topicPrefix) => `${topicPrefix}-${idx}`)
+  .sequence('enabled-in-context', ['enabledInContext'], (idx, enabledInContext) => enabledInContext)
+  .sequence('name', ['topicNamePrefix'], (idx, topicNamePrefix) => `${topicNamePrefix}-${idx}`)
+  .sequence('usage-key', ['usageKey'], (idx, usageKey) => usageKey)
+  .sequence('courseware', ['courseware'], (idx, courseware) => courseware)
+
+  .attr('thread_counts', ['discussionCount', 'questionCount'], (discCount, questCount) => {
+    Factory.reset('thread-counts');
+    return Factory.build('thread-counts', null, { discussionCount: discCount, questionCount: questCount });
+  });
+
+Factory.define('sub-section')
+  .sequence('block_id', (idx) => `${idx}`)
+  .option('topicPrefix', null, '')
+  .sequence('id', ['topicPrefix'], (idx, topicPrefix) => `${topicPrefix}-topic-${idx}`)
+  .sequence('display-name', ['sectionPrefix'], (idx, sectionPrefix) => `Introduction ${sectionPrefix + idx}`)
+  .option('courseId', null, 'course-v1:edX+DemoX+Demo_Course')
+  .sequence('legacy_web_url', ['id', 'courseId'],
+    (idx, id, courseId) => `${getApiBaseUrl}/courses/${courseId}/jump_to/block-v1:${id}?experience=legacy`)
+  .sequence('lms_web_url', ['id', 'courseId'],
+    (idx, id, courseId) => `${getApiBaseUrl}/courses/${courseId}/jump_to/block-v1:${id}`)
+  .sequence('student_view_url', ['id', 'courseId'],
+    (idx, id) => `${getApiBaseUrl}/xblock/block-v1:${id}`)
+  .attr('type', null, 'sequential')
+  .attr('children', ['id', 'display-name', 'courseId'], (id, name, courseId) => {
+    Factory.reset('topic');
+    return Factory.buildList('topic', 2, null, {
+      topicPrefix: `${id}`,
+      enabledInContext: true,
+      topicNamePrefix: `${name}`,
+      usageKey: `${courseId.replace('course-v1:', 'block-v1:')} +type@vertical+block@vertical_`,
+      discussionCount: 1,
+      questionCount: 1,
+    });
+  });
+
+Factory.define('section')
+  .sequence('block_id', (idx) => `${idx}`)
+  .option('topicPrefix', null, '')
+  .sequence('id', ['topicPrefix'], (idx, topicPrefix) => `${topicPrefix}-topic-${idx}`)
+  .attr('courseware', null, true)
+  .sequence('display-name', (idx) => `Introduction ${idx}`)
+  .option('courseId', null, 'course-v1:edX+DemoX+Demo_Course')
+  .sequence('legacy_web_url', ['id', 'courseId'],
+    (idx, id, courseId) => `${getApiBaseUrl}/courses/${courseId}/jump_to/${courseId.replace('course-v1:', 'block-v1:')}+type@chapter+block@${id}?experience=legacy`)
+  .sequence('lms_web_url', ['id', 'courseId'],
+    (idx, id, courseId) => `${getApiBaseUrl}/courses/${courseId}/jump_to/${courseId.replace('course-v1:', 'block-v1:')}+type@chapter+block@${id}`)
+  .sequence('student_view_url', ['id', 'courseId'],
+    (idx, id, courseId) => `${getApiBaseUrl}/xblock/${courseId.replace('course-v1:', 'block-v1:')}+type@chapter+block@${id}`)
+  .attr('type', null, 'chapter')
+  .attr('children', ['display-name'], (name) => {
+    Factory.reset('sub-section');
+    return Factory.buildList('sub-section', 2, null, { sectionPrefix: `${name}-`, topicPrefix: 'section' });
+  });
+
+Factory.define('thread-counts')
+  .sequence('discussion', ['discussionCount'], (idx, discussionCount) => discussionCount)
+  .sequence('question', ['questionCount'], (idx, questionCount) => questionCount);
+
+Factory.define('archived-topics')
+  .attr('id', null, 'archived')
+  .option('courseId', null, 'course-v1:edX+DemoX+Demo_Course')
+  .attr('children', ['id', 'courseId'], (id, courseId) => {
+    Factory.reset('topic');
+    return Factory.buildList('topic', 2, null, {
+      topicPrefix: `${id}`,
+      enabledInContext: false,
+      topicNamePrefix: `${id}`,
+      usageKey: `${courseId.replace('course-v1:', 'block-v1:')} +type@vertical+block@`,
+      discussionCount: 1,
+      questionCount: 1,
+    });
+  });
--- a/src/discussions/in-context-topics/data/factories/index.js
+++ b/src/discussions/in-context-topics/data/factories/index.js
@@ -0,0 +1 @@
+import './inContextTopics.factory';
--- a/src/discussions/in-context-topics/data/api.js
+++ b/src/discussions/in-context-topics/data/api.js
@@ -0,0 +1,13 @@
+/* eslint-disable import/prefer-default-export */
+import { camelCaseObject } from '@edx/frontend-platform';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+
+import { getApiBaseUrl } from '../../../data/constants';
+
+export const getCourseTopicsApiUrl = () => `${getApiBaseUrl()}/api/discussion/v3/course_topics/`;
+
+export async function getCourseTopicsV3(courseId) {
+  const url = `${getApiBaseUrl()}/api/discussion/v3/course_topics/${courseId}`;
+  const { data } = await getAuthenticatedHttpClient().get(url);
+  return camelCaseObject(data);
+}
--- a/src/discussions/in-context-topics/data/api.test.js
+++ b/src/discussions/in-context-topics/data/api.test.js
@@ -0,0 +1,72 @@
+import MockAdapter from 'axios-mock-adapter';
+import { Factory } from 'rosie';
+
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { initializeMockApp } from '@edx/frontend-platform/testing';
+
+import { initializeStore } from '../../../store';
+import { executeThunk } from '../../../test-utils';
+import { getCourseTopicsApiUrl, getCourseTopicsV3 } from './api';
+import { fetchCourseTopicsV3 } from './thunks';
+
+import './__factories__';
+
+const courseId = 'course-v1:edX+TestX+Test_Course';
+const courseId2 = 'course-v1:edX+TestX+Test_Course2';
+const courseTopicsApiUrl = getCourseTopicsApiUrl();
+
+let axiosMock = null;
+let store;
+
+describe('In context topic api tests', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+    store = initializeStore();
+  });
+
+  afterEach(() => {
+    axiosMock.reset();
+  });
+
+  test('successfully get topics', async () => {
+    axiosMock.onGet(`${courseTopicsApiUrl}${courseId}`)
+      .reply(200, (Factory.buildList('topic', 1, null, {
+        topicPrefix: 'noncourseware-topic',
+        enabledInContext: true,
+        topicNamePrefix: 'general-topic',
+        usageKey: '',
+        courseware: false,
+        discussionCount: 1,
+        questionCount: 1,
+      }).concat(Factory.buildList('section', 2, null, { topicPrefix: 'courseware' })))
+        .concat(Factory.buildList('archived-topics', 2, null)));
+
+    const response = await getCourseTopicsV3(courseId);
+
+    expect(response).not.toBeUndefined();
+  });
+
+  it('failed to fetch topics', async () => {
+    axiosMock.onGet(`${courseTopicsApiUrl}${courseId2}`)
+      .reply(404);
+    await executeThunk(fetchCourseTopicsV3(courseId2), store.dispatch, store.getState);
+
+    expect(store.getState().inContextTopics.status).toEqual('failed');
+  });
+
+  it('denied to fetch topics', async () => {
+    axiosMock.onGet(`${courseTopicsApiUrl}${courseId}`)
+      .reply(403, {});
+    await executeThunk(fetchCourseTopicsV3(courseId), store.dispatch);
+
+    expect(store.getState().inContextTopics.status).toEqual('denied');
+  });
+});
--- a/src/discussions/in-context-topics/data/index.js
+++ b/src/discussions/in-context-topics/data/index.js
--- a/src/discussions/in-context-topics/data/redux.test.js
+++ b/src/discussions/in-context-topics/data/redux.test.js
@@ -0,0 +1,186 @@
+import MockAdapter from 'axios-mock-adapter';
+import { Factory } from 'rosie';
+
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { initializeMockApp } from '@edx/frontend-platform/testing';
+
+import { initializeStore } from '../../../store';
+import { executeThunk } from '../../../test-utils';
+import { getCourseTopicsApiUrl } from './api';
+import { fetchCourseTopicsV3 } from './thunks';
+
+import './__factories__';
+
+const courseId = 'course-v1:edX+DemoX+Demo_Course';
+const courseTopicsApiUrl = getCourseTopicsApiUrl();
+
+let axiosMock;
+let store;
+
+describe('Redux in context topics tests', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+    Factory.resetAll();
+    store = initializeStore();
+  });
+
+  afterEach(() => {
+    axiosMock.reset();
+  });
+
+  async function setupMockData() {
+    axiosMock.onGet(`${courseTopicsApiUrl}${courseId}`)
+      .reply(200, (Factory.buildList('topic', 1, null, {
+        topicPrefix: 'noncourseware-topic',
+        enabledInContext: true,
+        topicNamePrefix: 'general-topic',
+        usageKey: '',
+        courseware: false,
+        discussionCount: 1,
+        questionCount: 1,
+      }).concat(Factory.buildList('section', 2, null, { topicPrefix: 'courseware' })))
+        .concat(Factory.buildList('archived-topics', 2, null)));
+
+    await executeThunk(fetchCourseTopicsV3(courseId), store.dispatch, store.getState);
+    const state = store.getState();
+    return state;
+  }
+
+  test('successfully load initial states in redux', async () => {
+    executeThunk(fetchCourseTopicsV3(courseId), store.dispatch, store.getState);
+    const state = store.getState();
+
+    expect(state.inContextTopics.status).toEqual('in-progress');
+    expect(state.inContextTopics.topics).toHaveLength(0);
+    expect(state.inContextTopics.coursewareTopics).toHaveLength(0);
+    expect(state.inContextTopics.nonCoursewareTopics).toHaveLength(0);
+    expect(state.inContextTopics.nonCoursewareIds).toHaveLength(0);
+    expect(state.inContextTopics.units).toHaveLength(0);
+    expect(state.inContextTopics.archivedTopics).toHaveLength(0);
+    expect(state.inContextTopics.filter).toEqual('');
+  });
+
+  test('successfully store all api data of courseware and noncourseware in redux', async () => {
+    setupMockData().then((state) => {
+      const { coursewareTopics, nonCoursewareTopics } = state.inContextTopics;
+
+      expect(coursewareTopics).toHaveLength(2);
+      expect(nonCoursewareTopics).toHaveLength(1);
+    });
+  });
+
+  test('successfully store the combined list of courseware and noncourseware topics in topics', async () => {
+    setupMockData().then((state) => {
+      const {
+        coursewareTopics, nonCoursewareTopics, archivedTopics, topics,
+      } = state.inContextTopics;
+
+      expect(topics).toHaveLength(coursewareTopics.length + nonCoursewareTopics.length + archivedTopics.length);
+    });
+  });
+
+  test('successfully get the posts ', async () => {
+    setupMockData().then((state) => {
+      expect(state?.inContextTopics?.status).toEqual('successful');
+    });
+  });
+
+  test('successfully checked that the coursewaretopic has three levels', async () => {
+    setupMockData().then((state) => {
+      const { coursewareTopics } = state.inContextTopics;
+
+      // contain chapter at first level
+      coursewareTopics.forEach((chapter, index) => {
+        expect(chapter.courseware).toEqual(true);
+        expect(chapter.id).toEqual(`courseware-topic-${index + 1}`);
+        expect(chapter.type).toEqual('chapter');
+        expect(chapter).toHaveProperty('blockId');
+        expect(chapter).toHaveProperty('lmsWebUrl');
+        expect(chapter).toHaveProperty('legacyWebUrl');
+        expect(chapter).toHaveProperty('studentViewUrl');
+
+        // contain section at second level
+        chapter.children.forEach((section, secIndex) => {
+          expect(section.id).toEqual(`section-topic-${secIndex + 1}`);
+          expect(section.type).toEqual('sequential');
+          expect(section).toHaveProperty('blockId');
+          expect(section).toHaveProperty('lmsWebUrl');
+          expect(section).toHaveProperty('legacyWebUrl');
+          expect(section).toHaveProperty('studentViewUrl');
+
+          // contain sub section at third level
+          section.children.forEach((subSection, subSecIndex) => {
+            expect(subSection.enabledInContext).toEqual(true);
+            expect(subSection.id).toEqual(`${section.id}-${subSecIndex + 1}`);
+            expect(subSection).toHaveProperty('usageKey');
+            expect(subSection).not.toHaveProperty('blockId');
+            expect(subSection?.threadCounts?.discussion).toEqual(1);
+            expect(subSection?.threadCounts?.question).toEqual(1);
+          });
+        });
+      });
+    });
+  });
+
+  test('successfully checked that the noncoursewaretopic have proper attributes', async () => {
+    setupMockData().then((state) => {
+      const { nonCoursewareTopics } = state.inContextTopics;
+
+      nonCoursewareTopics.forEach((topic, index) => {
+        expect(topic.usageKey).toEqual('');
+        expect(topic.id).toEqual(`noncourseware-topic-${index + 1}`);
+        expect(topic.name).toEqual(`general-topic-${index + 1}`);
+        expect(topic.enabledInContext).toEqual(true);
+        expect(topic?.threadCounts?.discussion).toEqual(1);
+        expect(topic?.threadCounts?.question).toEqual(1);
+        expect(topic).not.toHaveProperty('blockId');
+      });
+    });
+  });
+
+  test('nonCoursewareIds successfully contains ids of noncourseware topics', async () => {
+    setupMockData().then((state) => {
+      const { nonCoursewareIds, nonCoursewareTopics } = state.inContextTopics;
+
+      nonCoursewareIds.forEach((nonCoursewareId, index) => {
+        expect(nonCoursewareTopics[index].id).toEqual(nonCoursewareId);
+      });
+    });
+  });
+
+  test('selectUnits successfully contains all sub sections', async () => {
+    setupMockData().then((state) => {
+      const subSections = state.inContextTopics.coursewareTopics?.map(x => x.children)
+        ?.flat()?.map(x => x.children)?.flat();
+      const { units } = state.inContextTopics;
+
+      units.forEach(unit => {
+        const subSection = subSections.find(x => x.id === unit.id);
+        expect(subSection?.id).toEqual(unit.id);
+      });
+    });
+  });
+
+  test('successfully stored archived data in redux', async () => {
+    setupMockData().then((state) => {
+      const { archivedTopics } = state.inContextTopics;
+
+      archivedTopics.forEach((archivedTopic, index) => {
+        expect(archivedTopic?.enabledInContext).toEqual(false);
+        expect(archivedTopic?.id).toEqual(`archived-${index + 1}`);
+        expect(archivedTopic?.usageKey).not.toBeNull();
+        expect(archivedTopic?.threadCounts?.discussion).toEqual(1);
+        expect(archivedTopic?.threadCounts?.question).toEqual(1);
+      });
+    });
+  });
+});
--- a/src/discussions/in-context-topics/data/selector.test.jsx
+++ b/src/discussions/in-context-topics/data/selector.test.jsx
@@ -0,0 +1,147 @@
+import MockAdapter from 'axios-mock-adapter';
+import { Factory } from 'rosie';
+
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { initializeMockApp } from '@edx/frontend-platform/testing';
+
+import { initializeStore } from '../../../store';
+import { executeThunk } from '../../../test-utils';
+import { getCourseTopicsApiUrl } from './api';
+import {
+  selectArchivedTopics,
+  selectCoursewareTopics,
+  selectLoadingStatus,
+  selectNonCoursewareIds,
+  selectNonCoursewareTopics,
+  selectTopics,
+  selectUnits,
+} from './selectors';
+import { fetchCourseTopicsV3 } from './thunks';
+
+import './__factories__';
+
+const courseId = 'course-v1:edX+DemoX+Demo_Course';
+const courseTopicsApiUrl = getCourseTopicsApiUrl();
+
+let axiosMock;
+let store;
+
+describe('In Context Topics Selector test cases', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+    Factory.resetAll();
+    store = initializeStore();
+  });
+
+  afterEach(() => {
+    axiosMock.reset();
+  });
+
+  async function setupMockData() {
+    axiosMock.onGet(`${courseTopicsApiUrl}${courseId}`)
+      .reply(200, (Factory.buildList('topic', 1, null, {
+        topicPrefix: 'noncourseware-topic',
+        enabledInContext: true,
+        topicNamePrefix: 'general-topic',
+        usageKey: '',
+        courseware: false,
+        discussionCount: 1,
+        questionCount: 1,
+      }).concat(Factory.buildList('section', 2, null, { topicPrefix: 'courseware' })))
+        .concat(Factory.buildList('archived-topics', 2, null)));
+    await executeThunk(fetchCourseTopicsV3(courseId), store.dispatch, store.getState);
+
+    const state = store.getState();
+    return state;
+  }
+
+  test('should return topics list', async () => {
+    setupMockData().then((state) => {
+      const topics = selectTopics(state);
+
+      expect(topics).not.toBeUndefined();
+      topics.forEach(data => {
+        const topicFunc = jest.fn((topic) => {
+          if (topic.id.includes('noncourseware-topic')) { return true; }
+          if (topic.id.includes('courseware-topic')) { return true; }
+          if (topic.id.includes('archived')) { return true; }
+          return false;
+        });
+        topicFunc(data);
+        expect(topicFunc).toHaveReturnedWith(true);
+      });
+    });
+  });
+
+  test('should return courseware topics list', async () => {
+    setupMockData().then((state) => {
+      const coursewareTopics = selectCoursewareTopics(state);
+
+      expect(coursewareTopics).not.toBeUndefined();
+      coursewareTopics.forEach((topic, index) => {
+        expect(topic?.id).toEqual(`courseware-topic-${index + 1}`);
+      });
+    });
+  });
+
+  test('should return noncourseware topics list', async () => {
+    setupMockData().then((state) => {
+      const nonCoursewareTopics = selectNonCoursewareTopics(state);
+
+      expect(nonCoursewareTopics).not.toBeUndefined();
+      nonCoursewareTopics.forEach((topic, index) => {
+        expect(topic?.id).toEqual(`noncourseware-topic-${index + 1}`);
+      });
+    });
+  });
+
+  test('should return noncourseware ids list', async () => {
+    setupMockData().then((state) => {
+      const nonCoursewareIds = selectNonCoursewareIds(state);
+
+      expect(nonCoursewareIds).not.toBeUndefined();
+      nonCoursewareIds.forEach((id, index) => {
+        expect(id).toEqual(`noncourseware-topic-${index + 1}`);
+      });
+    });
+  });
+
+  test('should return units list', async () => {
+    setupMockData().then((state) => {
+      const units = selectUnits(state);
+
+      expect(units).not.toBeUndefined();
+      units.forEach(unit => {
+        expect(unit?.usageKey).not.toBeNull();
+      });
+    });
+  });
+
+  test('should return archived topics list', async () => {
+    setupMockData().then((state) => {
+      const archivedTopics = selectArchivedTopics(state);
+
+      expect(archivedTopics).not.toBeUndefined();
+      archivedTopics.forEach((topic, index) => {
+        expect(topic.id).toEqual(`archived-${index + 1}`);
+      });
+    });
+  });
+
+  test('should return loading status successful', async () => {
+    setupMockData().then((state) => {
+      const status = selectLoadingStatus(state);
+
+      expect(status).toEqual('successful');
+    });
+  });
+});
--- a/src/discussions/in-context-topics/data/selectors.js
+++ b/src/discussions/in-context-topics/data/selectors.js
@@ -0,0 +1,67 @@
+/* eslint-disable import/prefer-default-export */
+
+import { createSelector } from '@reduxjs/toolkit';
+
+export const selectTopicFilter = state => state.inContextTopics.filter.trim().toLowerCase();
+
+export const selectTopics = state => state.inContextTopics.topics;
+
+export const selectCoursewareTopics = state => state.inContextTopics.coursewareTopics;
+
+export const selectNonCoursewareTopics = state => state.inContextTopics.nonCoursewareTopics;
+
+export const selectNonCoursewareIds = state => state.inContextTopics.nonCoursewareIds;
+
+export const selectUnits = state => state.inContextTopics.units;
+
+export const selectSubsectionUnits = subsectionId => state => state.inContextTopics.units?.filter(
+  unit => unit.parentId === subsectionId,
+);
+
+export const selectSubsection = category => createSelector(
+  selectCoursewareTopics,
+  (coursewareTopics) => (
+    coursewareTopics?.map((topic) => topic?.children)?.flat()?.find((topic) => topic.id === category)
+  ),
+);
+
+export const selectArchivedTopics = state => state.inContextTopics.archivedTopics;
+
+export const selectArchivedTopic = topic => createSelector(
+  selectArchivedTopics,
+  (archivedTopics) => (
+    archivedTopics?.find((archivedTopic) => archivedTopic.id === topic)
+  ),
+);
+
+export const selectLoadingStatus = state => state.inContextTopics.status;
+
+export const selectFilteredTopics = createSelector(
+  selectUnits,
+  selectNonCoursewareTopics,
+  selectTopicFilter,
+  (units, nonCoursewareTopics, filter) => (
+    (units && nonCoursewareTopics && filter) && [...units, ...nonCoursewareTopics]?.filter(
+      topic => topic.name.toLowerCase().includes(filter),
+    )
+  ),
+);
+
+export const selectTotalTopicsThreadsCount = createSelector(
+  selectUnits,
+  selectNonCoursewareTopics,
+  (units, nonCoursewareTopics) => (
+    (units && nonCoursewareTopics) && [...units, ...nonCoursewareTopics]?.reduce((total, topic) => (
+      total + topic.threadCounts.discussion + topic.threadCounts.question
+    ), 0)
+  ),
+);
+
+export const selectCourseWareThreadsCount = category => createSelector(
+  selectSubsectionUnits(category),
+  (units) => (
+    units?.reduce((total, unit) => (
+      total + unit.threadCounts.discussion + unit.threadCounts.question
+    ), 0)
+  ),
+);
--- a/src/discussions/in-context-topics/data/slices.js
+++ b/src/discussions/in-context-topics/data/slices.js
@@ -0,0 +1,52 @@
+/* eslint-disable no-param-reassign,import/prefer-default-export */
+import { createSlice } from '@reduxjs/toolkit';
+
+import { RequestStatus } from '../../../data/constants';
+
+const topicsSlice = createSlice({
+  name: 'inContextTopics',
+  initialState: {
+    status: RequestStatus.IN_PROGRESS,
+    topics: [],
+    coursewareTopics: [],
+    nonCoursewareTopics: [],
+    nonCoursewareIds: [],
+    units: [],
+    archivedTopics: [],
+    filter: '',
+  },
+  reducers: {
+    fetchCourseTopicsRequest: (state) => {
+      state.status = RequestStatus.IN_PROGRESS;
+    },
+    fetchCourseTopicsSuccess: (state, { payload }) => {
+      state.status = RequestStatus.SUCCESSFUL;
+      state.topics = payload.topics;
+      state.coursewareTopics = payload.coursewareTopics;
+      state.nonCoursewareTopics = payload.nonCoursewareTopics;
+      state.nonCoursewareIds = payload.nonCoursewareIds;
+      state.units = payload.units;
+      state.archivedTopics = payload.archivedTopics;
+    },
+    fetchCourseTopicsFailed: (state) => {
+      state.status = RequestStatus.FAILED;
+    },
+    fetchCourseTopicsDenied: (state) => {
+      state.status = RequestStatus.DENIED;
+    },
+    setFilter: (state, { payload }) => {
+      state.filter = payload;
+    },
+  },
+});
+
+export const {
+  fetchCourseTopicsRequest,
+  fetchCourseTopicsSuccess,
+  fetchCourseTopicsFailed,
+  fetchCourseTopicsDenied,
+  setFilter,
+  setSortBy,
+} = topicsSlice.actions;
+
+export const inContextTopicsReducer = topicsSlice.reducer;
--- a/src/discussions/in-context-topics/data/thunks.js
+++ b/src/discussions/in-context-topics/data/thunks.js
@@ -0,0 +1,71 @@
+/* eslint-disable import/prefer-default-export */
+import { reduce } from 'lodash';
+
+import { logError } from '@edx/frontend-platform/logging';
+
+import { getHttpErrorStatus } from '../../utils';
+import { getCourseTopicsV3 } from './api';
+import {
+  fetchCourseTopicsDenied, fetchCourseTopicsFailed, fetchCourseTopicsRequest, fetchCourseTopicsSuccess,
+} from './slices';
+
+function normalizeTopicsV3(topics) {
+  const coursewareUnits = reduce(topics, (arrayOfUnits, chapter) => {
+    if (chapter?.children) {
+      return [
+        ...arrayOfUnits,
+        ...reduce(chapter.children, (units, sequential) => {
+          if (sequential?.children) {
+            return [
+              ...units,
+              ...sequential.children.map((unit) => ({
+                ...unit,
+                parentId: sequential.id,
+                parentTitle: sequential.displayName,
+              })),
+            ];
+          }
+          return units;
+        }, []),
+      ];
+    }
+    return arrayOfUnits;
+  }, []);
+
+  const archivedTopics = reduce(topics, (arrayOfArchivedTopics, topic) => {
+    if (topic.id === 'archived') {
+      return topic.children;
+    }
+    return arrayOfArchivedTopics;
+  }, []);
+
+  const coursewareTopics = topics.filter((topic) => topic.courseware);
+  const nonCoursewareTopics = topics.filter((topic) => !topic.courseware && topic.enabledInContext);
+  const nonCoursewareIds = nonCoursewareTopics?.map((topic) => topic.id);
+
+  return {
+    topics,
+    units: coursewareUnits,
+    coursewareTopics,
+    nonCoursewareTopics,
+    nonCoursewareIds,
+    archivedTopics,
+  };
+}
+
+export function fetchCourseTopicsV3(courseId) {
+  return async (dispatch) => {
+    try {
+      dispatch(fetchCourseTopicsRequest({ courseId }));
+      const data = await getCourseTopicsV3(courseId);
+      dispatch(fetchCourseTopicsSuccess(normalizeTopicsV3(data)));
+    } catch (error) {
+      if (getHttpErrorStatus(error) === 403) {
+        dispatch(fetchCourseTopicsDenied());
+      } else {
+        dispatch(fetchCourseTopicsFailed());
+      }
+      logError(error);
+    }
+  };
+}
--- a/src/discussions/in-context-topics/index.js
+++ b/src/discussions/in-context-topics/index.js
@@ -0,0 +1,3 @@
+/* eslint-disable import/prefer-default-export */
+export { default as TopicPostsView } from './TopicPostsView';
+export { default as TopicsView } from './TopicsView';
--- a/src/discussions/in-context-topics/messages.js
+++ b/src/discussions/in-context-topics/messages.js
@@ -0,0 +1,79 @@
+import { defineMessages } from '@edx/frontend-platform/i18n';
+
+const messages = defineMessages({
+  backAlt: {
+    id: 'discussions.topics.backAlt',
+    defaultMessage: 'Back to topics list',
+    description: 'Display back button text used to navigate back to topics list',
+  },
+  discussions: {
+    id: 'discussions.topics.discussions',
+    defaultMessage: `{count, plural,
+      =0 {Discussion}
+      one {# Discussion}
+      other {# Discussions}
+    }`,
+    description: 'Display tooltip text used to indicate how many posts type are discussion',
+  },
+  questions: {
+    id: 'discussions.topics.questions',
+    defaultMessage: `{count, plural,
+      =0 {Question}
+      one {# Question}
+      other {# Questions}
+    }`,
+    description: 'Display tooltip text used to indicate how many posts type are questions',
+  },
+  reported: {
+    id: 'discussions.topics.reported',
+    defaultMessage: '{reported} reported',
+    description: 'Display tooltip text used to indicate how many posts are reported',
+  },
+  previouslyReported: {
+    id: 'discussions.topics.previouslyReported',
+    defaultMessage: '{previouslyReported} previously reported',
+    description: 'Display tooltip text used to indicate how many posts are previously reported',
+  },
+  searchTopics: {
+    id: 'discussions.topics.find.label',
+    defaultMessage: 'Search topics',
+    description: 'Placeholder text in search bar',
+  },
+  unnamedSection: {
+    id: 'discussions.topics.unnamed.section.label',
+    defaultMessage: 'Unnamed Section',
+    description: 'Text to display in place of section name if section name is empty',
+  },
+  unnamedSubsection: {
+    id: 'discussions.topics.unnamed.subsection.label',
+    defaultMessage: 'Unnamed Subsection',
+    description: 'Text to display in place of subsection name if subsection name is empty',
+  },
+  unnamedTopic: {
+    id: 'discussions.subtopics.unnamed.topic.label',
+    defaultMessage: 'Unnamed Topic',
+    description: 'Text to display in place of topic name if topic name is empty',
+  },
+  noTopicExists: {
+    id: 'discussions.topics.title',
+    defaultMessage: 'No topic exists',
+    description: 'Text to display in place of topic list if topic does not exist',
+  },
+  createTopic: {
+    id: 'discussions.topics.createTopic',
+    defaultMessage: 'Please contact you admin to create a topic',
+    description: 'Helping Text to display in place of topic list if topic does not exist',
+  },
+  nothingHere: {
+    id: 'discussions.topics.nothing',
+    defaultMessage: 'Nothing here yet',
+    description: 'Helping Text to display if nothing here yet',
+  },
+  archivedTopics: {
+    id: 'discussions.topics.archived.label',
+    defaultMessage: 'Archived',
+    description: 'Heading for displaying topics that are archived.',
+  },
+});
+
+export default messages;
--- a/src/discussions/in-context-topics/topic-search/TopicSearchBar.jsx
+++ b/src/discussions/in-context-topics/topic-search/TopicSearchBar.jsx
@@ -0,0 +1,64 @@
+import React, { useContext, useEffect } from 'react';
+
+import { useDispatch, useSelector } from 'react-redux';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Icon, SearchField } from '@edx/paragon';
+import { Search as SearchIcon } from '@edx/paragon/icons';
+
+import { DiscussionContext } from '../../common/context';
+import postsMessages from '../../posts/post-actions-bar/messages';
+import { setFilter as setTopicFilter } from '../data/slices';
+
+function TopicSearchBar({ intl }) {
+  const dispatch = useDispatch();
+  const { page } = useContext(DiscussionContext);
+  const topicSearch = useSelector(({ inContextTopics }) => inContextTopics.filter);
+  let searchValue = '';
+
+  const onClear = () => {
+    dispatch(setTopicFilter(''));
+  };
+
+  const onChange = (query) => {
+    searchValue = query;
+  };
+
+  const onSubmit = (query) => {
+    if (query === '') {
+      return;
+    }
+    dispatch(setTopicFilter(query));
+  };
+
+  useEffect(() => onClear(), [page]);
+
+  return (
+    <>
+      <SearchField.Advanced
+        onClear={onClear}
+        onChange={onChange}
+        onSubmit={onSubmit}
+        value={topicSearch}
+      >
+        <SearchField.Label />
+        <SearchField.Input
+          style={{ paddingRight: '1rem' }}
+          placeholder={intl.formatMessage(postsMessages.search, { page: 'topics' })}
+        />
+        <span className="mt-auto mb-auto mr-2.5 pointer-cursor-hover">
+          <Icon
+            src={SearchIcon}
+            onClick={() => onSubmit(searchValue)}
+          />
+        </span>
+      </SearchField.Advanced>
+    </>
+  );
+}
+
+TopicSearchBar.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(TopicSearchBar);
--- a/src/discussions/in-context-topics/topic-search/TopicSearchResultBar.jsx
+++ b/src/discussions/in-context-topics/topic-search/TopicSearchResultBar.jsx
@@ -0,0 +1,30 @@
+import React from 'react';
+
+import { useDispatch } from 'react-redux';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { SearchField } from '@edx/paragon';
+
+import { setFilter } from '../data';
+import messages from '../messages';
+
+function TopicSearchResultBar({ intl }) {
+  const dispatch = useDispatch();
+
+  return (
+    <div className="d-flex flex-row p-1 align-items-center">
+      <SearchField
+        className="flex-fill m-1 border-0"
+        placeholder={intl.formatMessage(messages.searchTopics)}
+        onSubmit={(query) => dispatch(setFilter(query))}
+        onChange={(query) => dispatch(setFilter(query))}
+      />
+    </div>
+  );
+}
+
+TopicSearchResultBar.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(TopicSearchResultBar);
--- a/src/discussions/in-context-topics/topic-search/index.js
+++ b/src/discussions/in-context-topics/topic-search/index.js
@@ -0,0 +1,3 @@
+/* eslint-disable import/prefer-default-export */
+export { default as TopicSearchBar } from './TopicSearchBar';
+export { default as TopicSearchResultBar } from './TopicSearchResultBar';
--- a/src/discussions/in-context-topics/topic/ArchivedBaseGroup.jsx
+++ b/src/discussions/in-context-topics/topic/ArchivedBaseGroup.jsx
@@ -0,0 +1,48 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+
+import messages from '../messages';
+import Topic, { topicShape } from './Topic';
+
+function ArchivedBaseGroup({
+  archivedTopics,
+  showDivider,
+  intl,
+}) {
+  return (
+    <>
+      {showDivider && (
+        <>
+          <div className="divider border-top border-light-500" />
+          <div className="divider pt-1 bg-light-300" />
+        </>
+      )}
+      <div
+        className="discussion-topic-group d-flex flex-column text-primary-500"
+        data-testid="archived-group"
+      >
+        <div className="pt-3 px-4 font-weight-bold">{intl.formatMessage(messages.archivedTopics)}</div>
+        {archivedTopics?.map((topic, index) => (
+          <Topic
+            key={topic.id}
+            topic={topic}
+            showDivider={(archivedTopics.length - 1) !== index}
+          />
+        ))}
+      </div>
+    </>
+  );
+}
+
+ArchivedBaseGroup.propTypes = {
+  archivedTopics: PropTypes.arrayOf(topicShape).isRequired,
+  showDivider: PropTypes.bool,
+  intl: intlShape.isRequired,
+};
+
+ArchivedBaseGroup.defaultProps = {
+  showDivider: false,
+};
+export default injectIntl(ArchivedBaseGroup);
--- a/src/discussions/in-context-topics/topic/SectionBaseGroup.jsx
+++ b/src/discussions/in-context-topics/topic/SectionBaseGroup.jsx
@@ -0,0 +1,90 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import classNames from 'classnames';
+import { useParams } from 'react-router';
+import { Link } from 'react-router-dom';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+
+import { Routes } from '../../../data/constants';
+import { discussionsPath } from '../../utils';
+import messages from '../messages';
+import { topicShape } from './Topic';
+
+function SectionBaseGroup({
+  section,
+  sectionTitle,
+  sectionId,
+  showDivider,
+  intl,
+}) {
+  const { courseId } = useParams();
+  const isSelected = (id) => window.location.pathname.includes(id);
+  const sectionUrl = (id) => discussionsPath(Routes.TOPICS.CATEGORY, {
+    courseId,
+    category: id,
+  });
+
+  return (
+    <div
+      className="discussion-topic-group d-flex flex-column text-primary-500"
+      data-section-id={sectionId}
+      data-testid="section-group"
+    >
+      <div className="pt-3 px-4 font-weight-bold">
+        {sectionTitle || intl.formatMessage(messages.unnamedSection)}
+      </div>
+      {section.map((subsection, index) => (
+        <Link
+          className={classNames('subsection p-0 text-decoration-none text-primary-500', {
+            'border-bottom border-light-400': (section.length - 1 !== index),
+          })}
+          key={subsection.id}
+          role="option"
+          data-subsection-id={subsection.id}
+          data-testid="subsection-group"
+          to={sectionUrl(subsection.id)}
+          onClick={() => isSelected(subsection.id)}
+          aria-current={isSelected(section.id) ? 'page' : undefined}
+          tabIndex={(isSelected(subsection.id) || index === 0) ? 0 : -1}
+        >
+          <div className="d-flex flex-row py-3.5 px-4">
+            <div className="d-flex flex-column flex-fill" style={{ minWidth: 0 }}>
+              <div className="d-flex flex-column justify-content-start mw-100 flex-fill">
+                <div className="topic-name text-truncate">
+                  {subsection?.displayName || intl.formatMessage(messages.unnamedSubsection)}
+                </div>
+              </div>
+            </div>
+          </div>
+        </Link>
+      ))}
+      {showDivider && (
+        <>
+          <div className="divider border-top border-light-500" />
+          <div className="divider pt-1 bg-light-300" />
+        </>
+      )}
+    </div>
+  );
+}
+
+SectionBaseGroup.propTypes = {
+  section: PropTypes.arrayOf(PropTypes.shape({
+    id: PropTypes.string,
+    blockId: PropTypes.string,
+    lmsWebUrl: PropTypes.string,
+    legacyWebUrl: PropTypes.string,
+    studentViewUrl: PropTypes.string,
+    type: PropTypes.string,
+    displayName: PropTypes.string,
+    children: PropTypes.arrayOf(topicShape),
+  })).isRequired,
+  sectionTitle: PropTypes.string.isRequired,
+  sectionId: PropTypes.string.isRequired,
+  showDivider: PropTypes.bool.isRequired,
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(SectionBaseGroup);
--- a/src/discussions/in-context-topics/topic/Topic.jsx
+++ b/src/discussions/in-context-topics/topic/Topic.jsx
@@ -0,0 +1,155 @@
+/* eslint-disable no-unused-vars, react/forbid-prop-types */
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import classNames from 'classnames';
+import { useSelector } from 'react-redux';
+import { useParams } from 'react-router';
+import { Link } from 'react-router-dom';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Icon, OverlayTrigger, Tooltip } from '@edx/paragon';
+import { HelpOutline, PostOutline, Report } from '@edx/paragon/icons';
+
+import { Routes } from '../../../data/constants';
+import { selectUserHasModerationPrivileges, selectUserIsGroupTa } from '../../data/selectors';
+import { discussionsPath } from '../../utils';
+import messages from '../messages';
+
+function Topic({
+  topic,
+  showDivider,
+  index,
+  intl,
+}) {
+  const { courseId } = useParams();
+  const userHasModerationPrivileges = useSelector(selectUserHasModerationPrivileges);
+  const userIsGroupTa = useSelector(selectUserIsGroupTa);
+  const { inactiveFlags, activeFlags } = topic;
+  const canSeeReportedStats = (activeFlags || inactiveFlags) && (userHasModerationPrivileges || userIsGroupTa);
+  const isSelected = (id) => window.location.pathname.includes(id);
+  const topicUrl = discussionsPath(Routes.TOPICS.TOPIC, {
+    courseId,
+    topicId: topic.id,
+  });
+
+  return (
+    <>
+      <Link
+        className={classNames('discussion-topic p-0 text-decoration-none text-primary-500', {
+          'border-light-400 border-bottom': showDivider,
+        })}
+        data-topic-id={topic.id}
+        to={topicUrl}
+        onClick={() => isSelected(topic.id)}
+        aria-current={isSelected(topic.id) ? 'page' : undefined}
+        role="option"
+        tabIndex={(isSelected(topic.id) || index === 0) ? 0 : -1}
+      >
+        <div className="d-flex flex-row pt-2.5 pb-2 px-4">
+          <div className="d-flex flex-column flex-fill" style={{ minWidth: 0 }}>
+            <div className="d-flex flex-column justify-content-start mw-100 flex-fill">
+              <div className="topic-name text-truncate">
+                {topic?.name || topic?.displayName || intl.formatMessage(messages.unnamedTopicSubCategories)}
+              </div>
+            </div>
+            <div className="d-flex align-items-center mt-2.5" style={{ marginBottom: '2px' }}>
+              <OverlayTrigger
+                overlay={(
+                  <Tooltip>
+                    <div className="d-flex flex-column align-items-start">
+                      {intl.formatMessage(messages.discussions, {
+                        count: topic.threadCounts?.discussion || 0,
+                      })}
+                    </div>
+                  </Tooltip>
+                  )}
+              >
+                <div className="d-flex align-items-center mr-3.5">
+                  <Icon src={PostOutline} className="icon-size mr-2" />
+                  {topic.threadCounts?.discussion || 0}
+                </div>
+              </OverlayTrigger>
+              <OverlayTrigger
+                overlay={(
+                  <Tooltip>
+                    <div className="d-flex flex-column align-items-start">
+                      {intl.formatMessage(messages.questions, {
+                        count: topic.threadCounts?.question || 0,
+                      })}
+                    </div>
+                  </Tooltip>
+                )}
+              >
+                <div className="d-flex align-items-center mr-3.5">
+                  <Icon src={HelpOutline} className="icon-size mr-2" />
+                  {topic.threadCounts?.question || 0}
+                </div>
+              </OverlayTrigger>
+              {Boolean(canSeeReportedStats) && (
+                <OverlayTrigger
+                  overlay={(
+                    <Tooltip>
+                      <div className="d-flex flex-column align-items-start">
+                        {Boolean(activeFlags) && (
+                        <span>
+                          {intl.formatMessage(messages.reported, { reported: activeFlags })}
+                        </span>
+                        )}
+                        {Boolean(inactiveFlags) && (
+                        <span>
+                          {intl.formatMessage(messages.previouslyReported, { previouslyReported: inactiveFlags })}
+                        </span>
+                        )}
+                      </div>
+                    </Tooltip>
+                    )}
+                >
+                  <div className="d-flex align-items-center">
+                    <Icon src={Report} className="icon-size mr-2 text-danger" />
+                    {activeFlags}{Boolean(inactiveFlags) && `/${inactiveFlags}`}
+                  </div>
+                </OverlayTrigger>
+              )}
+            </div>
+          </div>
+        </div>
+      </Link>
+      {!showDivider && (
+        <>
+          <div className="divider border-top border-light-500" />
+          <div className="divider pt-1 bg-light-300" />
+        </>
+      )}
+    </>
+  );
+}
+
+export const topicShape = PropTypes.shape({
+  id: PropTypes.string,
+  usage_key: PropTypes.string,
+  name: PropTypes.string,
+  thread_counts: PropTypes.shape({
+    discussions: PropTypes.number,
+    questions: PropTypes.number,
+  }),
+  enabled_in_context: PropTypes.bool,
+  flags: PropTypes.number,
+});
+
+Topic.propTypes = {
+  intl: intlShape.isRequired,
+  topic: topicShape,
+  showDivider: PropTypes.bool,
+  index: PropTypes.number,
+};
+
+Topic.defaultProps = {
+  showDivider: true,
+  index: -1,
+  topic: {
+    usage_key: '',
+  },
+};
+
+export default injectIntl(Topic);
--- a/src/discussions/in-context-topics/topic/index.js
+++ b/src/discussions/in-context-topics/topic/index.js
@@ -0,0 +1,4 @@
+/* eslint-disable import/prefer-default-export */
+export { default as ArchivedBaseGroup } from './ArchivedBaseGroup';
+export { default as SectionBaseGroup } from './SectionBaseGroup';
+export { default as Topic } from './Topic';
--- a/src/discussions/index.js
+++ b/src/discussions/index.js
@@ -1,4 +1,4 @@
-export * from './comments';
 export * from './discussions-home';
+export * from './post-comments';
 export * from './posts';
 export * from './topics';
--- a/src/discussions/learners/LearnerPostsView.jsx
+++ b/src/discussions/learners/LearnerPostsView.jsx
@@ -88,7 +88,7 @@ function LearnerPostsView({ intl }) {
          onClick={() => history.push(discussionsPath(Routes.LEARNERS.PATH, { courseId })(location))}
          alt={intl.formatMessage(messages.back)}
        />
-        <div className="text-primary-500 font-style-normal font-family-inter font-weight-bold py-2.5">
+        <div className="text-primary-500 font-style font-weight-bold py-2.5">
          {intl.formatMessage(messages.activityForLearner, { username: capitalize(username) })}
        </div>
        <div style={{ padding: '18px' }} />
--- a/src/discussions/learners/LearnerPostsView.test.jsx
+++ b/src/discussions/learners/LearnerPostsView.test.jsx
@@ -14,15 +14,17 @@ import { AppProvider } from '@edx/frontend-platform/react';
 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
 import { DiscussionContext } from '../common/context';
-import { courseConfigApiUrl } from '../data/api';
+import { getCourseConfigApiUrl } from '../data/api';
 import { fetchCourseConfig } from '../data/thunks';
-import { coursesApiUrl } from './data/api';
+import { getCoursesApiUrl } from './data/api';
 import LearnerPostsView from './LearnerPostsView';

 import './data/__factories__';

 let store;
 let axiosMock;
+const coursesApiUrl = getCoursesApiUrl();
+const courseConfigApiUrl = getCourseConfigApiUrl();
 const courseId = 'course-v1:edX+TestX+Test_Course';
 const username = 'abc123';

--- a/src/discussions/learners/LearnersView.test.jsx
+++ b/src/discussions/learners/LearnersView.test.jsx
@@ -13,9 +13,9 @@ import { AppProvider } from '@edx/frontend-platform/react';

 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
-import { courseConfigApiUrl } from '../data/api';
+import { getCourseConfigApiUrl } from '../data/api';
 import { fetchCourseConfig } from '../data/thunks';
-import { coursesApiUrl, userProfileApiUrl } from './data/api';
+import { getCoursesApiUrl, getUserProfileApiUrl } from './data/api';
 import { fetchLearners } from './data/thunks';
 import LearnersView from './LearnersView';

@@ -23,6 +23,9 @@ import './data/__factories__';

 let store;
 let axiosMock;
+const coursesApiUrl = getCoursesApiUrl();
+const courseConfigApiUrl = getCourseConfigApiUrl();
+const userProfileApiUrl = getUserProfileApiUrl();
 const courseId = 'course-v1:edX+TestX+Test_Course';

 function renderComponent() {
--- a/src/discussions/learners/data/api.js
+++ b/src/discussions/learners/data/api.js
@@ -8,10 +8,8 @@ ensureConfig([
  'LMS_BASE_URL',
 ], 'Posts API service');

-const apiBaseUrl = getConfig().LMS_BASE_URL;
-
-export const coursesApiUrl = `${apiBaseUrl}/api/discussion/v1/courses/`;
-export const userProfileApiUrl = `${apiBaseUrl}/api/user/v1/accounts`;
+export const getCoursesApiUrl = () => `${getConfig().LMS_BASE_URL}/api/discussion/v1/courses/`;
+export const getUserProfileApiUrl = () => `${getConfig().LMS_BASE_URL}/api/user/v1/accounts`;

 /**
 * Fetches all the learners in the given course.
@@ -20,7 +18,7 @@ export const userProfileApiUrl = `${apiBaseUrl}/api/user/v1/accounts`;
 * @returns {Promise<{}>}
 */
 export async function getLearners(courseId, params) {
-  const url = `${coursesApiUrl}${courseId}/activity_stats/`;
+  const url = `${getCoursesApiUrl()}${courseId}/activity_stats/`;
  const { data } = await getAuthenticatedHttpClient().get(url, { params });
  return data;
 }
@@ -30,7 +28,7 @@ export async function getLearners(courseId, params) {
 * @param {string} usernames
 */
 export async function getUserProfiles(usernames) {
-  const url = `${userProfileApiUrl}?username=${usernames.join()}`;
+  const url = `${getUserProfileApiUrl()}?username=${usernames.join()}`;
  const { data } = await getAuthenticatedHttpClient().get(url);
  return data;
 }
@@ -67,7 +65,7 @@ export async function getUserPosts(courseId, {
  countFlagged,
  cohort,
 } = {}) {
-  const learnerPostsApiUrl = `${coursesApiUrl}${courseId}/learner/`;
+  const learnerPostsApiUrl = `${getCoursesApiUrl()}${courseId}/learner/`;

  const params = snakeCaseObject({
    page,
--- a/src/discussions/learners/learner-post-filter-bar/LearnerPostFilterBar.jsx
+++ b/src/discussions/learners/learner-post-filter-bar/LearnerPostFilterBar.jsx
@@ -4,6 +4,8 @@ import { isEmpty } from 'lodash';
 import { useDispatch, useSelector } from 'react-redux';
 import { useParams } from 'react-router-dom';

+import { sendTrackEvent } from '@edx/frontend-platform/analytics';
+
 import FilterBar from '../../../components/FilterBar';
 import { selectCourseCohorts } from '../../cohorts/data/selectors';
 import { fetchCourseCohorts } from '../../cohorts/data/thunks';
@@ -39,12 +41,20 @@ function LearnerPostFilterBar() {

  const handleFilterChange = (event) => {
    const { name, value } = event.currentTarget;
+    const filterContentEventProperties = {
+      statusFilter: postFilter.status,
+      threadTypeFilter: postFilter.postType,
+      sortFilter: postFilter.orderBy,
+      cohortFilter: postFilter.cohort,
+      triggeredBy: name,
+    };
    if (name === 'postType') {
      if (postFilter.postType !== value) {
        dispatch(setPostFilter({
          ...postFilter,
          postType: value,
        }));
+        filterContentEventProperties.threadTypeFilter = value;
      }
    } else if (name === 'status') {
      if (postFilter.status !== value) {
@@ -52,6 +62,7 @@ function LearnerPostFilterBar() {
          ...postFilter,
          status: value,
        }));
+        filterContentEventProperties.statusFilter = value;
      }
    } else if (name === 'orderBy') {
      if (postFilter.orderBy !== value) {
@@ -59,6 +70,7 @@ function LearnerPostFilterBar() {
          ...postFilter,
          orderBy: value,
        }));
+        filterContentEventProperties.sortFilter = value;
      }
    } else if (name === 'cohort') {
      if (postFilter.cohort !== value) {
@@ -66,8 +78,10 @@ function LearnerPostFilterBar() {
          ...postFilter,
          cohort: value,
        }));
+        filterContentEventProperties.cohortFilter = value;
      }
    }
+    sendTrackEvent('edx.forum.filter.content', filterContentEventProperties);
  };

  useEffect(() => {
--- a/src/discussions/learners/learner/LearnerCard.jsx
+++ b/src/discussions/learners/learner/LearnerCard.jsx
@@ -16,9 +16,9 @@ function LearnerCard({
  learner,
  courseId,
 }) {
-  const { inContext, learnerUsername } = useContext(DiscussionContext);
+  const { enableInContextSidebar, learnerUsername } = useContext(DiscussionContext);
  const linkUrl = discussionsPath(Routes.LEARNERS.POSTS, {
-    0: inContext ? 'in-context' : undefined,
+    0: enableInContextSidebar ? 'in-context' : undefined,
    learnerUsername: learner.username,
    courseId,
  });
@@ -40,7 +40,7 @@ function LearnerCard({
          <div className="d-flex flex-column justify-content-start mw-100 flex-fill">
            <div className="d-flex align-items-center flex-fill">
              <div
-                className="text-truncate font-weight-500 font-size-14 text-primary-500 font-style-normal font-family-inter"
+                className="text-truncate font-weight-500 font-size-14 text-primary-500 font-style"
              >
                {learner.username}
              </div>
--- a/src/discussions/learners/learner/LearnerFilterBar.jsx
+++ b/src/discussions/learners/learner/LearnerFilterBar.jsx
@@ -4,6 +4,7 @@ import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import { useDispatch, useSelector } from 'react-redux';

+import { sendTrackEvent } from '@edx/frontend-platform/analytics';
 import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { Collapsible, Form, Icon } from '@edx/paragon';
 import { Check, Tune } from '@edx/paragon/icons';
@@ -58,6 +59,12 @@ function LearnerFilterBar({

    if (name === 'sort') {
      dispatch(setSortedBy(value));
+      sendTrackEvent(
+        'edx.forum.sort.user',
+        {
+          sort: value,
+        },
+      );
    }
  };

--- a/src/discussions/messages.js
+++ b/src/discussions/messages.js
@@ -31,6 +31,11 @@ const messages = defineMessages({
    defaultMessage: 'Delete',
    description: 'Action to delete a post or comment',
  },
+  confirmationConfirm: {
+    id: 'discussions.confirmation.button.confirm',
+    defaultMessage: 'Confirm',
+    description: 'Confirm button shown on confirmation dialog',
+  },
  closeAction: {
    id: 'discussions.actions.close',
    defaultMessage: 'Close',
@@ -71,16 +76,11 @@ const messages = defineMessages({
    defaultMessage: 'Unmark as answered',
    description: 'Action to unmark a comment as answering a post',
  },
-  deleteConfirmationCancel: {
-    id: 'discussions.delete.confirmation.button.cancel',
+  confirmationCancel: {
+    id: 'discussions.modal.confirmation.button.cancel',
    defaultMessage: 'Cancel',
    description: 'Cancel button shown on delete confirmation dialog',
  },
-  deleteConfirmationDelete: {
-    id: 'discussions.delete.confirmation.button.delete',
-    defaultMessage: 'Delete',
-    description: 'Delete button shown on delete confirmation dialog',
-  },
  emptyAllTopics: {
    id: 'discussions.empty.allTopics',
    defaultMessage:
@@ -185,8 +185,8 @@ const messages = defineMessages({
  },
  blackoutDiscussionInformation: {
    id: 'discussion.blackoutBanner.information',
-    defaultMessage: 'Blackout dates are currently active. Posting in discussions is unavailable at this time.',
-    description: 'Informative text when discussions blackout is active',
+    defaultMessage: 'Posting in discussions is temporarily disabled by the course team',
+    description: 'Informative text when discussion posting is disabled',
  },
  imageWarningMessage: {
    id: 'discussions.editor.image.warning.message',
--- a/src/discussions/navigation/breadcrumb-menu/BreadcrumbMenu.jsx
+++ b/src/discussions/navigation/breadcrumb-menu/BreadcrumbMenu.jsx
@@ -1,90 +0,0 @@
-import React, { useContext } from 'react';
-
-import { useSelector } from 'react-redux';
-
-import { Routes } from '../../../data/constants';
-import { selectBlocks, selectChapters } from '../../../data/selectors';
-import { DiscussionContext } from '../../common/context';
-import { selectTopic } from '../../topics/data/selectors';
-import { discussionsPath } from '../../utils';
-import BreadcrumbDropdown from './BreadcrumbDropdown';
-
-function BreadcrumbMenu() {
-  const {
-    courseId,
-    topicId,
-    category,
-  } = useContext(DiscussionContext);
-  const blocks = useSelector(selectBlocks);
-  const chapters = useSelector(selectChapters);
-  const blockKey = useSelector(selectTopic(topicId))?.usageKey || category;
-
-  let currentChapter = null;
-  let currentVertical = null;
-  let currentSequential = null;
-  if (!blocks[blockKey]) {
-    // Data is still loading
-    return null;
-  }
-  if (blocks[blockKey].type === 'chapter') {
-    currentChapter = blockKey;
-  } else if (blocks[blockKey].type === 'sequential') {
-    currentSequential = blockKey;
-    currentChapter = blocks[currentSequential].parent;
-  } else if (blocks[blockKey].type === 'vertical') {
-    currentVertical = blockKey;
-    currentSequential = blocks[currentVertical].parent;
-    currentChapter = blocks[currentSequential].parent;
-  }
-
-  const getItemDisplayName = itemId => blocks[itemId]?.displayName;
-  const getItemPath = itemId => discussionsPath(Routes.TOPICS.CATEGORY, {
-    courseId,
-    category: itemId,
-  });
-
-  return (
-    <div className="breadcrumb-menu d-flex flex-row bg-light-200 box-shadow-down-1 px-2.5 py-1">
-      <BreadcrumbDropdown
-        currentItem={currentChapter}
-        showAllPath={discussionsPath(Routes.TOPICS.ALL, { courseId })}
-        items={chapters}
-        itemPathFunc={getItemPath}
-        itemActiveFunc={item => item === currentChapter}
-        itemLabelFunc={getItemDisplayName}
-      />
-      {currentChapter
-        && (
-          <>
-            <div className="d-flex py-2">/</div>
-            <BreadcrumbDropdown
-              currentItem={currentSequential}
-              showAllPath={getItemPath(currentChapter)}
-              items={blocks[currentChapter].children}
-              itemPathFunc={getItemPath}
-              itemActiveFunc={seqId => seqId === currentChapter}
-              itemLabelFunc={getItemDisplayName}
-            />
-          </>
-        )}
-      {currentSequential
-        && (
-          <>
-            <div className="d-flex py-2">/</div>
-            <BreadcrumbDropdown
-              currentItem={currentVertical}
-              showAllPath={getItemPath(currentSequential)}
-              items={blocks[currentSequential].children}
-              itemPathFunc={getItemPath}
-              itemActiveFunc={vertId => vertId === currentChapter}
-              itemLabelFunc={getItemDisplayName}
-            />
-          </>
-        )}
-    </div>
-  );
-}
-
-BreadcrumbMenu.propTypes = {};
-
-export default BreadcrumbMenu;
--- a/src/discussions/navigation/breadcrumb-menu/BreadcrumbMenu.test.jsx
+++ b/src/discussions/navigation/breadcrumb-menu/BreadcrumbMenu.test.jsx
@@ -1,151 +0,0 @@
-import React from 'react';
-
-import {
-  act, fireEvent, render, screen, waitFor,
-} from '@testing-library/react';
-import MockAdapter from 'axios-mock-adapter';
-import { IntlProvider } from 'react-intl';
-import { MemoryRouter, Route } from 'react-router';
-import { Factory } from 'rosie';
-
-import { initializeMockApp } from '@edx/frontend-platform';
-import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
-import { AppProvider } from '@edx/frontend-platform/react';
-
-import { getBlocksAPIResponse } from '../../../data/__factories__';
-import { blocksAPIURL } from '../../../data/api';
-import { API_BASE_URL, Routes } from '../../../data/constants';
-import { fetchCourseBlocks } from '../../../data/thunks';
-import { initializeStore } from '../../../store';
-import { executeThunk } from '../../../test-utils';
-import { DiscussionContext } from '../../common/context';
-import { fetchCourseTopics } from '../../topics/data/thunks';
-import { BreadcrumbMenu } from '../index';
-
-import '../../topics/data/__factories__';
-
-const courseId = 'course-v1:edX+DemoX+Demo_Course';
-const topicsApiUrl = `${API_BASE_URL}/api/discussion/v2/course_topics/${courseId}`;
-let store;
-let axiosMock;
-
-function renderComponent(path, topicId = null, category = null) {
-  render(
-    <IntlProvider locale="en">
-      <AppProvider store={store}>
-        <DiscussionContext.Provider
-          value={{
-            courseId,
-            topicId,
-            category,
-          }}
-        >
-          <MemoryRouter initialEntries={[path]}>
-            <Route
-              path={[
-                Routes.POSTS.PATH,
-                Routes.TOPICS.CATEGORY,
-              ]}
-              component={BreadcrumbMenu}
-            />
-          </MemoryRouter>
-        </DiscussionContext.Provider>
-      </AppProvider>
-    </IntlProvider>,
-  );
-}
-
-describe('BreadcrumbMenu', () => {
-  let blocksAPIResponse;
-  beforeEach(async () => {
-    initializeMockApp({
-      authenticatedUser: {
-        userId: 3,
-        username: 'abc123',
-        administrator: true,
-        roles: [],
-      },
-    });
-
-    store = initializeStore({
-      config: {
-        provider: 'openedx',
-      },
-      blocks: {
-        topics: {},
-      },
-    });
-    Factory.resetAll();
-    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
-    blocksAPIResponse = getBlocksAPIResponse();
-    axiosMock.onGet(blocksAPIURL)
-      .reply(200, blocksAPIResponse);
-    await executeThunk(fetchCourseBlocks(courseId, 'test-user'), store.dispatch, store.getState);
-    const data = [
-      ...Factory.buildList('topic.v2', 3, { usage_key: null }, { topicPrefix: 'ncw' }),
-      Factory.build('topic.v2', { id: 'vertical_0270f6de40fc' }),
-      Factory.build('topic.v2', { id: '867dddb6f55d410caaa9c1eb9c6743ec' }),
-      Factory.build('topic.v2', { id: '4f6c1b4e316a419ab5b6bf30e6c708e9' }),
-    ];
-    axiosMock
-      .onGet(topicsApiUrl)
-      .reply(200, data);
-    await executeThunk(fetchCourseTopics(courseId), store.dispatch, store.getState);
-  });
-
-  it('shows the category dropdown with a category selected', async () => {
-    const chapterKey = 'block-v1:edX+DemoX+Demo_Course+type@chapter+block@d8a6192ade314473a78242dfeedfbf5b';
-    const sectionKey = 'block-v1:edX+DemoX+Demo_Course+type@sequential+block@edx_introduction';
-
-    renderComponent(`/${courseId}/category/${chapterKey}`, null, chapterKey);
-
-    await waitFor(() => screen.findByText(blocksAPIResponse.blocks[chapterKey].display_name));
-
-    const chapterDropdown = screen.queryByText(blocksAPIResponse.blocks[chapterKey].display_name);
-    // Since a category is selected a subcategory dropdown should also be visible with "show all" selected by default
-    const sectionDropdown = screen.queryByRole('button', { name: 'Show all' });
-    // A show all button should show up that lists topics in the current category
-    expect(sectionDropdown)
-      .toBeInTheDocument();
-    // Other categories should not be visible.
-    expect(screen.queryByText(blocksAPIResponse.blocks[sectionKey].display_name))
-      .not
-      .toBeInTheDocument();
-
-    // Click on the category dropdown.
-    act(() => {
-      fireEvent.click(chapterDropdown);
-    });
-    // Now other categories should be visible in the dropdown.
-    expect(screen.queryByText(blocksAPIResponse.blocks[chapterKey].display_name))
-      .toBeInTheDocument();
-    // There are 4 categories but this has a length of 5 since there is also a link to show all.
-    expect(screen.queryAllByRole('link', { exact: false }))
-      .toHaveLength(5);
-
-    // Now click on the topics dropdown
-    act(() => {
-      fireEvent.click(sectionDropdown);
-    });
-
-    // Topics in the category should be visible.
-    expect(screen.queryByRole('link', { name: 'Demo Course Overview' }))
-      .toBeInTheDocument();
-  });
-
-  it('shows the category correct dropdown labels with a topic selected', async () => {
-    const topicId = 'vertical_0270f6de40fc';
-    renderComponent(`/${courseId}/topics/${topicId}`, topicId);
-    // Since a topic is selected, we have both a category and topic, so "show all shouldn't be visible"
-    expect(screen.queryByText('Show all'))
-      .not
-      .toBeInTheDocument();
-    // The name of the category and topic should be visible.
-    expect(await screen.findByRole('button', { name: 'Introduction' }))
-      .toBeInTheDocument();
-    expect(await screen.findByRole('button', { name: 'Demo Course Overview' }))
-      .toBeInTheDocument();
-    expect(await screen.findByRole('button', { name: 'Introduction: Video and Sequences' }))
-      .toBeInTheDocument();
-  });
-});
--- a/src/discussions/navigation/breadcrumb-menu/LegacyBreadcrumbMenu.test.jsx
+++ b/src/discussions/navigation/breadcrumb-menu/LegacyBreadcrumbMenu.test.jsx
@@ -12,7 +12,7 @@ import { initializeMockApp } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 import { AppProvider } from '@edx/frontend-platform/react';

-import { API_BASE_URL, Routes } from '../../../data/constants';
+import { getApiBaseUrl, Routes } from '../../../data/constants';
 import { initializeStore } from '../../../store';
 import { executeThunk } from '../../../test-utils';
 import { fetchCourseTopics } from '../../topics/data/thunks';
@@ -21,7 +21,7 @@ import { LegacyBreadcrumbMenu } from '../index';
 import '../../topics/data/__factories__';

 const courseId = 'course-v1:edX+TestX+Test_Course';
-const topicsApiUrl = `${API_BASE_URL}/api/discussion/v1/course_topics/${courseId}`;
+const topicsApiUrl = `${getApiBaseUrl()}/api/discussion/v1/course_topics/${courseId}`;
 let store;
 let axiosMock;

--- a/src/discussions/navigation/index.js
+++ b/src/discussions/navigation/index.js
@@ -1,4 +1,3 @@
 /* eslint-disable import/prefer-default-export */
-export { default as BreadcrumbMenu } from './breadcrumb-menu/BreadcrumbMenu';
 export { default as LegacyBreadcrumbMenu } from './breadcrumb-menu/LegacyBreadcrumbMenu';
 export { default as NavigationBar } from './navigation-bar/NavigationBar';
--- a/src/discussions/post-comments/PostCommentsView.jsx
+++ b/src/discussions/post-comments/PostCommentsView.jsx
@@ -0,0 +1,148 @@
+import React, { useContext, useEffect, useState } from 'react';
+
+import { useSelector } from 'react-redux';
+import { useParams } from 'react-router';
+import { useHistory, useLocation } from 'react-router-dom';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import {
+  Button, Icon, IconButton, Spinner,
+} from '@edx/paragon';
+import { ArrowBack } from '@edx/paragon/icons';
+
+import {
+  EndorsementStatus, PostsPages, RequestStatus, ThreadType,
+} from '../../data/constants';
+import { useDispatchWithState } from '../../data/hooks';
+import { DiscussionContext } from '../common/context';
+import { useIsOnDesktop } from '../data/hooks';
+import { EmptyPage } from '../empty-posts';
+import { Post } from '../posts';
+import { fetchThread } from '../posts/data/thunks';
+import { discussionsPath } from '../utils';
+import { ResponseEditor } from './comments/comment';
+import CommentsSort from './comments/CommentsSort';
+import CommentsView from './comments/CommentsView';
+import { useCommentsCount, usePost } from './data/hooks';
+import { selectCommentsStatus } from './data/selectors';
+import messages from './messages';
+
+function PostCommentsView({ intl }) {
+  const [isLoading, submitDispatch] = useDispatchWithState();
+  const { postId } = useParams();
+  const thread = usePost(postId);
+  const commentsStatus = useSelector(selectCommentsStatus);
+  const commentsCount = useCommentsCount(postId);
+  const history = useHistory();
+  const location = useLocation();
+  const isOnDesktop = useIsOnDesktop();
+  const [addingResponse, setAddingResponse] = useState(false);
+  const {
+    courseId, learnerUsername, category, topicId, page, enableInContextSidebar,
+  } = useContext(DiscussionContext);
+
+  useEffect(() => {
+    if (!thread) { submitDispatch(fetchThread(postId, courseId, true)); }
+    setAddingResponse(false);
+  }, [postId]);
+
+  if (!thread) {
+    if (!isLoading) {
+      return (
+        <EmptyPage title={intl.formatMessage(messages.noThreadFound)} />
+      );
+    }
+    return (
+      <div style={{
+        position: 'absolute',
+        top: '50%',
+      }}
+      >
+        <Spinner animation="border" variant="primary" data-testid="loading-indicator" />
+      </div>
+    );
+  }
+
+  return (
+    <>
+      {!isOnDesktop && (
+        enableInContextSidebar ? (
+          <>
+            <div className="px-4 py-1.5 bg-white">
+              <Button
+                variant="plain"
+                className="px-0 line-height-24 py-0 my-1.5 border-0 font-weight-normal font-style text-primary-500"
+                iconBefore={ArrowBack}
+                onClick={() => history.push(discussionsPath(PostsPages[page], {
+                  courseId, learnerUsername, category, topicId,
+                })(location))}
+                size="sm"
+              >
+                {intl.formatMessage(messages.backAlt)}
+              </Button>
+            </div>
+            <div className="border-bottom border-light-400" />
+          </>
+        ) : (
+          <IconButton
+            src={ArrowBack}
+            iconAs={Icon}
+            style={{ padding: '18px' }}
+            size="inline"
+            className="ml-4 mt-4"
+            onClick={() => history.push(discussionsPath(PostsPages[page], {
+              courseId, learnerUsername, category, topicId,
+            })(location))}
+            alt={intl.formatMessage(messages.backAlt)}
+          />
+        )
+      )}
+      <div
+        className="discussion-comments d-flex flex-column card border-0 post-card-margin post-card-padding"
+      >
+        <Post post={thread} handleAddResponseButton={() => setAddingResponse(true)} />
+        {!thread.closed && (
+          <ResponseEditor
+            postId={postId}
+            handleCloseEditor={() => setAddingResponse(false)}
+            addingResponse={addingResponse}
+          />
+        )}
+      </div>
+      {!!commentsCount && commentsStatus === RequestStatus.SUCCESSFUL && <CommentsSort />}
+      {thread.type === ThreadType.DISCUSSION && (
+        <CommentsView
+          postId={postId}
+          intl={intl}
+          postType={thread.type}
+          endorsed={EndorsementStatus.DISCUSSION}
+          isClosed={thread.closed}
+        />
+      )}
+      {thread.type === ThreadType.QUESTION && (
+        <>
+          <CommentsView
+            postId={postId}
+            intl={intl}
+            postType={thread.type}
+            endorsed={EndorsementStatus.ENDORSED}
+            isClosed={thread.closed}
+          />
+          <CommentsView
+            postId={postId}
+            intl={intl}
+            postType={thread.type}
+            endorsed={EndorsementStatus.UNENDORSED}
+            isClosed={thread.closed}
+          />
+        </>
+      )}
+    </>
+  );
+}
+
+PostCommentsView.propTypes = {
+  intl: intlShape.isRequired,
+};
+
+export default injectIntl(PostCommentsView);
--- a/src/discussions/post-comments/PostCommentsView.test.jsx
+++ b/src/discussions/post-comments/PostCommentsView.test.jsx
@@ -13,23 +13,29 @@ import { AppProvider } from '@edx/frontend-platform/react';
 import { initializeStore } from '../../store';
 import { executeThunk } from '../../test-utils';
 import { DiscussionContext } from '../common/context';
-import { courseConfigApiUrl } from '../data/api';
+import { getCourseConfigApiUrl } from '../data/api';
 import { fetchCourseConfig } from '../data/thunks';
 import DiscussionContent from '../discussions-home/DiscussionContent';
-import { threadsApiUrl } from '../posts/data/api';
+import { getThreadsApiUrl } from '../posts/data/api';
 import { fetchThreads } from '../posts/data/thunks';
-import { commentsApiUrl } from './data/api';
+import { getCommentsApiUrl } from './data/api';
+import { removeComment } from './data/thunks';

 import '../posts/data/__factories__';
 import './data/__factories__';

+const courseConfigApiUrl = getCourseConfigApiUrl();
+const commentsApiUrl = getCommentsApiUrl();
+const threadsApiUrl = getThreadsApiUrl();
 const discussionPostId = 'thread-1';
 const questionPostId = 'thread-2';
 const closedPostId = 'thread-2';
 const courseId = 'course-v1:edX+TestX+Test_Course';
+const reverseOrder = false;
 let store;
 let axiosMock;
 let testLocation;
+let container;

 function mockAxiosReturnPagedComments() {
  [null, false, true].forEach(endorsed => {
@@ -43,6 +49,7 @@ function mockAxiosReturnPagedComments() {
            page_size: undefined,
            requested_fields: 'profile_image',
            endorsed,
+            reverse_order: reverseOrder,
          },
        })
        .reply(200, Factory.build('commentsResult', { can_delete: true }, {
@@ -79,7 +86,7 @@ function mockAxiosReturnPagedCommentsResponses() {
 }

 function renderComponent(postId) {
-  render(
+  const wrapper = render(
    <IntlProvider locale="en">
      <AppProvider store={store}>
        <DiscussionContext.Provider
@@ -99,10 +106,11 @@ function renderComponent(postId) {
      </AppProvider>
    </IntlProvider>,
  );
+  container = wrapper.container;
 }

-describe('CommentsView', () => {
-  beforeEach(async () => {
+describe('ThreadView', () => {
+  beforeEach(() => {
    initializeMockApp({
      authenticatedUser: {
        userId: 3,
@@ -147,7 +155,7 @@ describe('CommentsView', () => {
        )];
      });

-    await executeThunk(fetchThreads(courseId), store.dispatch, store.getState);
+    executeThunk(fetchThreads(courseId), store.dispatch, store.getState);
    mockAxiosReturnPagedComments();
    mockAxiosReturnPagedCommentsResponses();
  });
@@ -159,11 +167,12 @@ describe('CommentsView', () => {

    it('should show and hide the editor', async () => {
      renderComponent(discussionPostId);
-      await waitFor(() => screen.findByText('comment number 1', { exact: false }));
-      const addResponseButtons = screen.getAllByRole('button', { name: /add a response/i });
+      const post = screen.getByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
+      const addResponseButton = within(hoverCard).getByRole('button', { name: /Add response/i });
      await act(async () => {
        fireEvent.click(
-          addResponseButtons[0],
+          addResponseButton,
        );
      });
      expect(screen.queryByTestId('tinymce-editor')).toBeInTheDocument();
@@ -175,11 +184,12 @@ describe('CommentsView', () => {

    it('should allow posting a response', async () => {
      renderComponent(discussionPostId);
-      await waitFor(() => screen.findByText('comment number 1', { exact: false }));
-      const responseButtons = screen.getAllByRole('button', { name: /add a response/i });
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
+      const addResponseButton = within(hoverCard).getByRole('button', { name: /Add response/i });
      await act(async () => {
        fireEvent.click(
-          responseButtons[0],
+          addResponseButton,
        );
      });
      await act(() => {
@@ -192,53 +202,51 @@ describe('CommentsView', () => {
        );
      });
      expect(screen.queryByTestId('tinymce-editor')).not.toBeInTheDocument();
-      await waitFor(async () => expect(await screen.findByText('testing123', { exact: false })).toBeInTheDocument());
+      await waitFor(async () => expect(await screen.findByTestId('comment-1')).toBeInTheDocument());
    });

    it('should not allow posting a response on a closed post', async () => {
      renderComponent(closedPostId);
-      await waitFor(() => screen.findByText('Thread-2', { exact: false }));
-      expect(screen.queryByRole('button', { name: /add a response/i })).not.toBeInTheDocument();
+      const post = screen.getByTestId('post-thread-2');
+      const hoverCard = within(post).getByTestId('hover-card-thread-2');
+      expect(within(hoverCard).getByRole('button', { name: /Add response/i })).toBeDisabled();
    });

    it('should allow posting a comment', async () => {
      renderComponent(discussionPostId);
-      await waitFor(() => screen.findByText('comment number 1', { exact: false }));
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
      await act(async () => {
        fireEvent.click(
-          screen.getAllByRole('button', { name: /add a comment/i })[0],
+          within(hoverCard).getByRole('button', { name: /Add comment/i }),
        );
      });
      act(() => {
        fireEvent.change(screen.getByTestId('tinymce-editor'), { target: { value: 'testing123' } });
      });
-
      await act(async () => {
        fireEvent.click(
          screen.getByText(/submit/i),
        );
      });
      expect(screen.queryByTestId('tinymce-editor')).not.toBeInTheDocument();
-      await waitFor(async () => expect(await screen.findByText('testing123', { exact: false })).toBeInTheDocument());
+      await waitFor(async () => expect(await screen.findByTestId('reply-comment-7')).toBeInTheDocument());
    });

    it('should not allow posting a comment on a closed post', async () => {
      renderComponent(closedPostId);
-      await waitFor(() => screen.findByText('thread-2', { exact: false }));
-      await act(async () => {
-        expect(
-          screen.queryByRole('button', { name: /add a comment/i }),
-        ).not.toBeInTheDocument();
-      });
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-3'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-3');
+      expect(within(hoverCard).getByRole('button', { name: /Add comment/i })).toBeDisabled();
    });

    it('should allow editing an existing comment', async () => {
      renderComponent(discussionPostId);
-      await waitFor(() => screen.findByText('comment number 1', { exact: false }));
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post, the second will be for the first comment.
-          screen.getAllByRole('button', { name: /actions menu/i })[1],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      await act(async () => {
@@ -251,7 +259,7 @@ describe('CommentsView', () => {
        fireEvent.click(screen.getByRole('button', { name: /submit/i }));
      });
      await waitFor(async () => {
-        expect(await screen.findByText('testing123', { exact: false })).toBeInTheDocument();
+        expect(await screen.findByTestId('comment-comment-1')).toBeInTheDocument();
      });
    });

@@ -275,11 +283,11 @@ describe('CommentsView', () => {
    it('should show reason codes when editing an existing comment', async () => {
      setupCourseConfig();
      renderComponent(discussionPostId);
-      await waitFor(() => screen.findByText('comment number 1', { exact: false }));
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post, the second will be for the first comment.
-          screen.getAllByRole('button', { name: /actions menu/i })[1],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      await act(async () => {
@@ -288,10 +296,12 @@ describe('CommentsView', () => {
      expect(screen.queryByRole('combobox', { name: /reason for editing/i })).toBeInTheDocument();
      expect(screen.getAllByRole('option', { name: /reason \d/i })).toHaveLength(2);
      await act(async () => {
-        fireEvent.change(screen.queryByRole('combobox', { name: /reason for editing/i }), { target: { value: null } });
+        fireEvent.change(screen.queryByRole('combobox', { name: /reason for editing/i }),
+          { target: { value: null } });
      });
      await act(async () => {
-        fireEvent.change(screen.queryByRole('combobox', { name: /reason for editing/i }), { target: { value: 'reason-1' } });
+        fireEvent.change(screen.queryByRole('combobox',
+          { name: /reason for editing/i }), { target: { value: 'reason-1' } });
      });
      await act(async () => {
        fireEvent.change(screen.getByTestId('tinymce-editor'), { target: { value: 'testing123' } });
@@ -305,12 +315,11 @@ describe('CommentsView', () => {
    it('should show reason codes when closing a post', async () => {
      setupCourseConfig();
      renderComponent(discussionPostId);
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post
-          screen.getAllByRole('button', {
-            name: /actions menu/i,
-          })[0],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      expect(screen.queryByRole('dialog', { name: /close post/i })).not.toBeInTheDocument();
@@ -333,10 +342,11 @@ describe('CommentsView', () => {
    it('should close the post directly if reason codes are not enabled', async () => {
      setupCourseConfig(false);
      renderComponent(discussionPostId);
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post
-          screen.getAllByRole('button', { name: /actions menu/i })[0],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      expect(screen.queryByRole('dialog', { name: /close post/i })).not.toBeInTheDocument();
@@ -352,10 +362,11 @@ describe('CommentsView', () => {
      async (reasonCodesEnabled) => {
        setupCourseConfig(reasonCodesEnabled);
        renderComponent(closedPostId);
+        const post = screen.getByTestId('post-thread-2');
+        const hoverCard = within(post).getByTestId('hover-card-thread-2');
        await act(async () => {
          fireEvent.click(
-            // The first edit menu is for the post
-            screen.getAllByRole('button', { name: /actions menu/i })[0],
+            within(hoverCard).getByRole('button', { name: /actions menu/i }),
          );
        });
        expect(screen.queryByRole('dialog', { name: /close post/i })).not.toBeInTheDocument();
@@ -370,10 +381,11 @@ describe('CommentsView', () => {
    it('should show the editor if the post is edited', async () => {
      setupCourseConfig(false);
      renderComponent(discussionPostId);
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post
-          screen.getAllByRole('button', { name: /actions menu/i })[0],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      await act(async () => {
@@ -381,12 +393,14 @@ describe('CommentsView', () => {
      });
      expect(testLocation.pathname).toBe(`/${courseId}/posts/${discussionPostId}/edit`);
    });
+
    it('should allow pinning the post', async () => {
      renderComponent(discussionPostId);
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post
-          screen.getAllByRole('button', { name: /actions menu/i })[0],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      await act(async () => {
@@ -394,72 +408,105 @@ describe('CommentsView', () => {
      });
      assertLastUpdateData({ pinned: false });
    });
+
    it('should allow reporting the post', async () => {
      renderComponent(discussionPostId);
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
        fireEvent.click(
-          // The first edit menu is for the post
-          screen.getAllByRole('button', { name: /actions menu/i })[0],
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
        );
      });
      await act(async () => {
        fireEvent.click(screen.getByRole('button', { name: /report/i }));
      });
+      expect(screen.queryByRole('dialog', { name: /Report \w+/i, exact: false })).toBeInTheDocument();
+      await act(async () => {
+        fireEvent.click(screen.queryByRole('button', { name: /Confirm/i }));
+      });
+      expect(screen.queryByRole('dialog', { name: /Report \w+/i, exact: false })).not.toBeInTheDocument();
      assertLastUpdateData({ abuse_flagged: true });
    });

-    it('handles liking a comment', async () => {
+    it('handles liking a post', async () => {
      renderComponent(discussionPostId);

-      // Wait for the content to load
-      await screen.findByText('comment number 7', { exact: false });
-      const view = screen.getByTestId('comment-comment-1');
-
-      const likeButton = within(view).getByRole('button', { name: /like/i });
+      const post = await screen.findByTestId('post-thread-1');
+      const hoverCard = within(post).getByTestId('hover-card-thread-1');
      await act(async () => {
-        fireEvent.click(likeButton);
+        fireEvent.click(
+          within(hoverCard).getByRole('button', { name: /like/i }),
+        );
      });
      expect(axiosMock.history.patch).toHaveLength(2);
      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject({ voted: true });
    });

-    it.each([
-      ['endorsing comments', 'Endorse', { endorsed: true }],
-      ['reporting comments', 'Report', { abuse_flagged: true }],
-    ])('handles %s', async (label, buttonLabel, patchData) => {
+    it('handles liking a comment', async () => {
      renderComponent(discussionPostId);

-      // Wait for the content to load
-      await screen.findByText('comment number 7', { exact: false });
-
-      // There should be three buttons, one for the post, the second for the
-      // comment and the third for a response to that comment
-      const actionButtons = screen.queryAllByRole('button', { name: /actions menu/i });
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
      await act(async () => {
-        fireEvent.click(actionButtons[1]);
-      });
-      await act(async () => {
-        fireEvent.click(screen.getByRole('button', { name: buttonLabel }));
+        fireEvent.click(
+          within(hoverCard).getByRole('button', { name: /like/i }),
+        );
      });
      expect(axiosMock.history.patch).toHaveLength(2);
-      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject(patchData);
+      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject({ voted: true });
+    });
+
+    it('handles endorsing comments', async () => {
+      renderComponent(discussionPostId);
+      // Wait for the content to load
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
+      await act(async () => {
+        fireEvent.click(within(hoverCard).getByRole('button', { name: /Endorse/i }));
+      });
+      expect(axiosMock.history.patch).toHaveLength(2);
+      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject({ endorsed: true });
+    });
+
+    it('handles reporting comments', async () => {
+      renderComponent(discussionPostId);
+      // Wait for the content to load
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const hoverCard = within(comment).getByTestId('hover-card-comment-1');
+      await act(async () => {
+        fireEvent.click(
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
+        );
+      });
+
+      await act(async () => {
+        fireEvent.click(screen.getByRole('button', { name: /Report/i }));
+      });
+      expect(screen.queryByRole('dialog', { name: /Report \w+/i, exact: false })).toBeInTheDocument();
+      await act(async () => {
+        fireEvent.click(screen.queryByRole('button', { name: /Confirm/i }));
+      });
+      expect(screen.queryByRole('dialog', { name: /Report \w+/i, exact: false })).not.toBeInTheDocument();
+      expect(axiosMock.history.patch).toHaveLength(2);
+      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject({ abuse_flagged: true });
    });
  });

  describe('for discussion thread', () => {
    const findLoadMoreCommentsButton = () => screen.findByTestId('load-more-comments');

-    it('shown spinner when post isn\'t loaded', async () => {
+    it('shown post not found when post id does not belong to course', async () => {
      renderComponent('unloaded-id');
-      expect(await screen.findByTestId('loading-indicator'))
+      expect(await screen.findByText('Thread not found', { exact: true }))
        .toBeInTheDocument();
    });

    it('initially loads only the first page', async () => {
      renderComponent(discussionPostId);
-      expect(await screen.findByText('comment number 1', { exact: false }))
+      expect(await screen.findByTestId('comment-comment-1'))
        .toBeInTheDocument();
-      expect(screen.queryByText('comment number 2', { exact: false }))
+      expect(screen.queryByTestId('comment-comment-2'))
        .not
        .toBeInTheDocument();
    });
@@ -470,8 +517,8 @@ describe('CommentsView', () => {
      const loadMoreButton = await findLoadMoreCommentsButton();
      fireEvent.click(loadMoreButton);

-      await screen.findByText('comment number 1', { exact: false });
-      await screen.findByText('comment number 2', { exact: false });
+      await screen.findByTestId('comment-comment-1');
+      await screen.findByTestId('comment-comment-2');
    });

    it('newly loaded comments are appended to the old ones', async () => {
@@ -480,9 +527,9 @@ describe('CommentsView', () => {
      const loadMoreButton = await findLoadMoreCommentsButton();
      fireEvent.click(loadMoreButton);

-      await screen.findByText('comment number 1', { exact: false });
+      await screen.findByTestId('comment-comment-1');
      // check that comments from the first page are also displayed
-      expect(screen.queryByText('comment number 2', { exact: false }))
+      expect(screen.queryByTestId('comment-comment-2'))
        .toBeInTheDocument();
    });

@@ -495,7 +542,7 @@ describe('CommentsView', () => {
        fireEvent.click(loadMoreButton);
      }

-      await screen.findByText('comment number 2', { exact: false });
+      await screen.findByTestId('comment-comment-2');
      await expect(findLoadMoreCommentsButton())
        .rejects
        .toThrow();
@@ -507,11 +554,11 @@ describe('CommentsView', () => {

    it('initially loads only the first page', async () => {
      act(() => renderComponent(questionPostId));
-      expect(await screen.findByText('comment number 3', { exact: false }))
+      expect(await screen.findByTestId('comment-comment-3'))
        .toBeInTheDocument();
-      expect(await screen.findByText('endorsed comment number 5', { exact: false }))
+      expect(await screen.findByTestId('comment-comment-5'))
        .toBeInTheDocument();
-      expect(screen.queryByText('comment number 4', { exact: false }))
+      expect(screen.queryByTestId('comment-comment-4'))
        .not
        .toBeInTheDocument();
    });
@@ -524,15 +571,15 @@ describe('CommentsView', () => {
      const [loadMoreButtonEndorsed, loadMoreButtonUnendorsed] = await findLoadMoreCommentsButtons();
      // Both load more buttons should show
      expect(await findLoadMoreCommentsButtons()).toHaveLength(2);
-      expect(await screen.findByText('unendorsed comment number 3', { exact: false }))
+      expect(await screen.findByTestId('comment-comment-3'))
        .toBeInTheDocument();
-      expect(await screen.findByText('endorsed comment number 5', { exact: false }))
+      expect(await screen.findByTestId('comment-comment-5'))
        .toBeInTheDocument();
      // Comments from next page should not be loaded yet.
-      expect(await screen.queryByText('endorsed comment number 6', { exact: false }))
+      expect(await screen.queryByTestId('comment-comment-6'))
        .not
        .toBeInTheDocument();
-      expect(await screen.queryByText('unendorsed comment number 4', { exact: false }))
+      expect(await screen.queryByTestId('comment-comment-4'))
        .not
        .toBeInTheDocument();

@@ -540,10 +587,10 @@ describe('CommentsView', () => {
        fireEvent.click(loadMoreButtonEndorsed);
      });
      // Endorsed comment from next page should be loaded now.
-      await waitFor(() => expect(screen.queryByText('endorsed comment number 6', { exact: false }))
+      await waitFor(() => expect(screen.queryByTestId('comment-comment-6'))
        .toBeInTheDocument());
      // Unendorsed comment from next page should not be loaded yet.
-      expect(await screen.queryByText('unendorsed comment number 4', { exact: false }))
+      expect(await screen.queryByTestId('comment-comment-4'))
        .not
        .toBeInTheDocument();
      // Now only one load more buttons should show, for unendorsed comments
@@ -552,20 +599,20 @@ describe('CommentsView', () => {
        fireEvent.click(loadMoreButtonUnendorsed);
      });
      // Unendorsed comment from next page should be loaded now.
-      await waitFor(() => expect(screen.queryByText('unendorsed comment number 4', { exact: false }))
+      await waitFor(() => expect(screen.queryByTestId('comment-comment-4'))
        .toBeInTheDocument());
      await expect(findLoadMoreCommentsButtons()).rejects.toThrow();
    });
  });

-  describe('comments responses', () => {
+  describe('for comments replies', () => {
    const findLoadMoreCommentsResponsesButton = () => screen.findByTestId('load-more-comments-responses');

    it('initially loads only the first page', async () => {
      renderComponent(discussionPostId);

-      await waitFor(() => screen.findByText('comment number 7', { exact: false }));
-      expect(screen.queryByText('comment number 8', { exact: false })).not.toBeInTheDocument();
+      await waitFor(() => screen.findByTestId('reply-comment-7'));
+      expect(screen.queryByTestId('reply-comment-8')).not.toBeInTheDocument();
    });

    it('pressing load more button will load next page of responses', async () => {
@@ -576,7 +623,7 @@ describe('CommentsView', () => {
        fireEvent.click(loadMoreButton);
      });

-      await screen.findByText('comment number 8', { exact: false });
+      await screen.findByTestId('reply-comment-8');
    });

    it('newly loaded responses are appended to the old ones', async () => {
@@ -587,9 +634,9 @@ describe('CommentsView', () => {
        fireEvent.click(loadMoreButton);
      });

-      await screen.findByText('comment number 8', { exact: false });
+      await screen.findByTestId('reply-comment-8');
      // check that comments from the first page are also displayed
-      expect(screen.queryByText('comment number 7', { exact: false })).toBeInTheDocument();
+      expect(screen.queryByTestId('reply-comment-7')).toBeInTheDocument();
    });

    it('load more button is hidden when no more responses pages to load', async () => {
@@ -603,77 +650,116 @@ describe('CommentsView', () => {
        });
      }

-      await screen.findByText('comment number 8', { exact: false });
+      await screen.findByTestId('reply-comment-8');
      await expect(findLoadMoreCommentsResponsesButton())
        .rejects
        .toThrow();
    });
-
-    it('handles liking a comment', async () => {
-      renderComponent(discussionPostId);
-
-      // Wait for the content to load
-      await screen.findByText('comment number 7', { exact: false });
-      const view = screen.getByTestId('comment-comment-1');
-
-      const likeButton = within(view).getByRole('button', { name: /like/i });
-      await act(async () => {
-        fireEvent.click(likeButton);
-      });
-      expect(axiosMock.history.patch).toHaveLength(2);
-      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject({ voted: true });
-    });
-
-    it.each([
-      ['endorsing comments', 'Endorse', { endorsed: true }],
-      ['reporting comments', 'Report', { abuse_flagged: true }],
-    ])('handles %s', async (label, buttonLabel, patchData) => {
-      renderComponent(discussionPostId);
-
-      // Wait for the content to load
-      await screen.findByText('comment number 7', { exact: false });
-
-      // There should be three buttons, one for the post, the second for the
-      // comment and the third for a response to that comment
-      const actionButtons = screen.queryAllByRole('button', { name: /actions menu/i });
-      await act(async () => {
-        fireEvent.click(actionButtons[1]);
-      });
-      await act(async () => {
-        fireEvent.click(screen.getByRole('button', { name: buttonLabel }));
-      });
-      expect(axiosMock.history.patch).toHaveLength(2);
-      expect(JSON.parse(axiosMock.history.patch[1].data)).toMatchObject(patchData);
-    });
  });

  describe.each([
-    { component: 'post', testId: 'post-thread-1' },
-    { component: 'comment', testId: 'comment-comment-1' },
-    { component: 'reply', testId: 'reply-comment-7' },
+    { component: 'post', testId: 'post-thread-1', cardId: 'hover-card-thread-1' },
+    { component: 'comment', testId: 'comment-comment-1', cardId: 'hover-card-comment-1' },
  ])('delete confirmation modal', ({
    component,
    testId,
+    cardId,
  }) => {
    test(`for ${component}`, async () => {
      renderComponent(discussionPostId);
      // Wait for the content to load
-      await waitFor(() => expect(screen.queryByText('comment number 7', { exact: false })).toBeInTheDocument());
-      const content = screen.getByTestId(testId);
-      const actionsButton = within(content).getAllByRole('button', { name: /actions menu/i })[0];
+      const post = await screen.findByTestId(testId);
+      const hoverCard = within(post).getByTestId(cardId);
+      expect(screen.queryByRole('dialog', { name: /Delete response/i, exact: false })).not.toBeInTheDocument();
      await act(async () => {
-        fireEvent.click(actionsButton);
+        fireEvent.click(
+          within(hoverCard).getByRole('button', { name: /actions menu/i }),
+        );
      });
-      expect(screen.queryByRole('dialog', { name: /delete \w+/i, exact: false })).not.toBeInTheDocument();
-      const deleteButton = within(content).queryByRole('button', { name: /delete/i });
      await act(async () => {
-        fireEvent.click(deleteButton);
+        fireEvent.click(screen.queryByRole('button', { name: /Delete/i }));
      });
-      expect(screen.queryByRole('dialog', { name: /delete \w+/i, exact: false })).toBeInTheDocument();
+      expect(screen.queryByRole('dialog', { name: /Delete/i, exact: false })).toBeInTheDocument();
+    });
+  });
+
+  describe('for comments replies', () => {
+    it('shows delete confirmation modal', async () => {
+      renderComponent(discussionPostId);
+      const reply = await waitFor(() => screen.findByTestId('reply-comment-7'));
      await act(async () => {
-        fireEvent.click(screen.queryByRole('button', { name: /delete/i }));
+        fireEvent.click(
+          within(reply).getByRole('button', { name: /actions menu/i }),
+        );
      });
-      expect(screen.queryByRole('dialog', { name: /delete \w+/i, exact: false })).not.toBeInTheDocument();
+      await act(async () => {
+        fireEvent.click(screen.queryByRole('button', { name: /Delete/i }));
+      });
+      expect(screen.queryByRole('dialog', { name: /Delete/i, exact: false })).toBeInTheDocument();
+    });
+  });
+
+  describe('for comments sort', () => {
+    it('should show sort dropdown if there are endorse or unendorsed comments', async () => {
+      renderComponent(discussionPostId);
+
+      const comment = await waitFor(() => screen.findByTestId('comment-comment-1'));
+      const sortWrapper = container.querySelector('.comments-sort');
+      const sortDropDown = within(sortWrapper).getByRole('button', { name: /Oldest first/i });
+
+      expect(comment).toBeInTheDocument();
+      expect(sortDropDown).toBeInTheDocument();
+    });
+
+    it('should not show sort dropdown if there is no response', async () => {
+      const commentId = 'comment-1';
+      renderComponent(discussionPostId);
+
+      await waitFor(() => screen.findByTestId('comment-comment-1'));
+      axiosMock.onDelete(`${commentsApiUrl}${commentId}/`).reply(201);
+      await executeThunk(removeComment(commentId, discussionPostId), store.dispatch, store.getState);
+
+      expect(await waitFor(() => screen.findByText('No responses', { exact: true }))).toBeInTheDocument();
+      expect(container.querySelector('.comments-sort')).not.toBeInTheDocument();
+    });
+
+    it('should have only two options', async () => {
+      renderComponent(discussionPostId);
+
+      await waitFor(() => screen.findByTestId('comment-comment-1'));
+      await act(async () => { fireEvent.click(screen.getByRole('button', { name: /Oldest first/i })); });
+      const dropdown = await waitFor(() => screen.findByTestId('comment-sort-dropdown-modal-popup'));
+
+      expect(dropdown).toBeInTheDocument();
+      expect(await within(dropdown).getAllByRole('button')).toHaveLength(2);
+    });
+
+    it('should be selected Oldest first and auto focus', async () => {
+      renderComponent(discussionPostId);
+
+      await waitFor(() => screen.findByTestId('comment-comment-1'));
+      await act(async () => { fireEvent.click(screen.getByRole('button', { name: /Oldest first/i })); });
+      const dropdown = await waitFor(() => screen.findByTestId('comment-sort-dropdown-modal-popup'));
+
+      expect(dropdown).toBeInTheDocument();
+      expect(within(dropdown).getByRole('button', { name: /Oldest first/i })).toBeInTheDocument();
+      expect(within(dropdown).getByRole('button', { name: /Oldest first/i })).toHaveFocus();
+      expect(within(dropdown).getByRole('button', { name: /Newest first/i })).not.toHaveFocus();
+    });
+
+    test('successfully handles sort state update', async () => {
+      renderComponent(discussionPostId);
+
+      expect(store.getState().comments.sortOrder).toBeFalsy();
+
+      await waitFor(() => screen.findByTestId('comment-comment-1'));
+      await act(async () => { fireEvent.click(screen.getByRole('button', { name: /Oldest first/i })); });
+      const dropdown = await waitFor(() => screen.findByTestId('comment-sort-dropdown-modal-popup'));
+      await act(async () => {
+        fireEvent.click(within(dropdown).getByRole('button', { name: /Newest first/i }));
+      });
+
+      expect(store.getState().comments.sortOrder).toBeTruthy();
    });
  });
 });
--- a/src/discussions/post-comments/comments/CommentsSort.jsx
+++ b/src/discussions/post-comments/comments/CommentsSort.jsx
@@ -0,0 +1,92 @@
+import React, { useState } from 'react';
+
+import { useDispatch, useSelector } from 'react-redux';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import {
+  Button, Dropdown, ModalPopup, useToggle,
+} from '@edx/paragon';
+import {
+  ExpandLess, ExpandMore,
+} from '@edx/paragon/icons';
+
+import { selectCommentSortOrder } from '../data/selectors';
+import { setCommentSortOrder } from '../data/slices';
+import messages from '../messages';
+
+function CommentSortDropdown({
+  intl,
+}) {
+  const dispatch = useDispatch();
+  const sortedOrder = useSelector(selectCommentSortOrder);
+  const [isOpen, open, close] = useToggle(false);
+  const [target, setTarget] = useState(null);
+
+  const handleActions = (reverseOrder) => {
+    close();
+    dispatch(setCommentSortOrder(reverseOrder));
+  };
+
+  return (
+    <>
+      <div className="comments-sort d-flex justify-content-end mx-4 mt-2">
+        <Button
+          alt={intl.formatMessage(messages.actionsAlt)}
+          ref={setTarget}
+          variant="tertiary"
+          onClick={open}
+          size="sm"
+          iconAfter={isOpen ? ExpandLess : ExpandMore}
+        >
+          {intl.formatMessage(messages.commentSort, {
+            sort: sortedOrder,
+          })}
+        </Button>
+      </div>
+      <div className="actions-dropdown">
+        <ModalPopup
+          onClose={close}
+          positionRef={target}
+          isOpen={isOpen}
+        >
+          <div
+            className="bg-white p-1 shadow d-flex flex-column"
+            data-testid="comment-sort-dropdown-modal-popup"
+          >
+            <Dropdown.Item
+              className="d-flex justify-content-start py-1.5 mb-1"
+              as={Button}
+              variant="tertiary"
+              size="inline"
+              onClick={() => handleActions(false)}
+              autoFocus={sortedOrder === false}
+            >
+              {intl.formatMessage(messages.commentSort, {
+                sort: false,
+              })}
+            </Dropdown.Item>
+            <Dropdown.Item
+              className="d-flex justify-content-start py-1.5"
+              as={Button}
+              variant="tertiary"
+              size="inline"
+              onClick={() => handleActions(true)}
+              autoFocus={sortedOrder === true}
+            >
+              {intl.formatMessage(messages.commentSort, {
+                sort: true,
+              })}
+            </Dropdown.Item>
+          </div>
+        </ModalPopup>
+      </div>
+    </>
+  );
+}
+
+CommentSortDropdown.propTypes = {
+  intl: intlShape.isRequired,
+
+};
+
+export default injectIntl(CommentSortDropdown);
--- a/src/discussions/post-comments/comments/CommentsView.jsx
+++ b/src/discussions/post-comments/comments/CommentsView.jsx
@@ -0,0 +1,130 @@
+import React, { useMemo, useState } from 'react';
+import PropTypes from 'prop-types';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Button, Spinner } from '@edx/paragon';
+
+import { EndorsementStatus } from '../../../data/constants';
+import { useUserCanAddThreadInBlackoutDate } from '../../data/hooks';
+import { filterPosts, isLastElementOfList } from '../../utils';
+import { usePostComments } from '../data/hooks';
+import messages from '../messages';
+import { Comment, ResponseEditor } from './comment';
+
+function CommentsView({
+  postType,
+  postId,
+  intl,
+  endorsed,
+  isClosed,
+}) {
+  const {
+    comments,
+    hasMorePages,
+    isLoading,
+    handleLoadMoreResponses,
+  } = usePostComments(postId, endorsed);
+
+  const endorsedComments = useMemo(() => [...filterPosts(comments, 'endorsed')], [comments]);
+  const unEndorsedComments = useMemo(() => [...filterPosts(comments, 'unendorsed')], [comments]);
+  const userCanAddThreadInBlackoutDate = useUserCanAddThreadInBlackoutDate();
+  const [addingResponse, setAddingResponse] = useState(false);
+
+  const handleDefinition = (message, commentsLength) => (
+    <div
+      className="mx-4 my-14px text-gray-700 font-style"
+      role="heading"
+      aria-level="2"
+    >
+      {intl.formatMessage(message, { num: commentsLength })}
+    </div>
+  );
+
+  const handleComments = (postComments, showLoadMoreResponses = false) => (
+    <div className="mx-4" role="list">
+      {postComments.map((comment) => (
+        <Comment
+          comment={comment}
+          key={comment.id}
+          postType={postType}
+          isClosedPost={isClosed}
+          marginBottom={isLastElementOfList(postComments, comment)}
+        />
+      ))}
+      {hasMorePages && !isLoading && !showLoadMoreResponses && (
+        <Button
+          onClick={handleLoadMoreResponses}
+          variant="link"
+          block="true"
+          className="px-4 mt-3 border-0 line-height-24 py-0 mb-2 font-style font-weight-500 font-size-14"
+          data-testid="load-more-comments"
+        >
+          {intl.formatMessage(messages.loadMoreResponses)}
+        </Button>
+      )}
+      {isLoading && !showLoadMoreResponses && (
+        <div className="mb-2 mt-3 d-flex justify-content-center">
+          <Spinner animation="border" variant="primary" className="spinner-dimentions" />
+        </div>
+      )}
+    </div>
+  );
+
+  return (
+    <>
+      {((hasMorePages && isLoading) || !isLoading) && (
+        <>
+          {endorsedComments.length > 0 && (
+            <>
+              {handleDefinition(messages.endorsedResponseCount, endorsedComments.length)}
+              {endorsed === EndorsementStatus.DISCUSSION
+                ? handleComments(endorsedComments, true)
+                : handleComments(endorsedComments, false)}
+            </>
+          )}
+          {endorsed !== EndorsementStatus.ENDORSED && (
+            <>
+              {handleDefinition(messages.responseCount, unEndorsedComments.length)}
+              {unEndorsedComments.length === 0 && <br />}
+              {handleComments(unEndorsedComments, false)}
+              {(userCanAddThreadInBlackoutDate && !!unEndorsedComments.length && !isClosed) && (
+                <div className="mx-4">
+                  {!addingResponse && (
+                    <Button
+                      variant="plain"
+                      block="true"
+                      className="card mb-4 px-0 border-0 py-10px mt-2 font-style font-weight-500
+                      line-height-24 font-size-14 text-primary-500"
+                      onClick={() => setAddingResponse(true)}
+                      data-testid="add-response"
+                    >
+                      {intl.formatMessage(messages.addResponse)}
+                    </Button>
+                  )}
+                  <ResponseEditor
+                    postId={postId}
+                    handleCloseEditor={() => setAddingResponse(false)}
+                    addWrappingDiv
+                    addingResponse={addingResponse}
+                  />
+                </div>
+              )}
+            </>
+          )}
+        </>
+      )}
+    </>
+  );
+}
+
+CommentsView.propTypes = {
+  postId: PropTypes.string.isRequired,
+  postType: PropTypes.string.isRequired,
+  isClosed: PropTypes.bool.isRequired,
+  intl: intlShape.isRequired,
+  endorsed: PropTypes.oneOf([
+    EndorsementStatus.ENDORSED, EndorsementStatus.UNENDORSED, EndorsementStatus.DISCUSSION,
+  ]).isRequired,
+};
+
+export default injectIntl(CommentsView);
--- a/src/discussions/post-comments/comments/comment/Comment.jsx
+++ b/src/discussions/post-comments/comments/comment/Comment.jsx
@@ -0,0 +1,225 @@
+import React, { useContext, useEffect, useState } from 'react';
+import PropTypes from 'prop-types';
+
+import classNames from 'classnames';
+import { useDispatch, useSelector } from 'react-redux';
+
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import { Button, useToggle } from '@edx/paragon';
+
+import HTMLLoader from '../../../../components/HTMLLoader';
+import { ContentActions, EndorsementStatus } from '../../../../data/constants';
+import { AlertBanner, Confirmation, EndorsedAlertBanner } from '../../../common';
+import { DiscussionContext } from '../../../common/context';
+import HoverCard from '../../../common/HoverCard';
+import { useUserCanAddThreadInBlackoutDate } from '../../../data/hooks';
+import { fetchThread } from '../../../posts/data/thunks';
+import LikeButton from '../../../posts/post/LikeButton';
+import { useActions } from '../../../utils';
+import { selectCommentCurrentPage, selectCommentHasMorePages, selectCommentResponses } from '../../data/selectors';
+import { editComment, fetchCommentResponses, removeComment } from '../../data/thunks';
+import messages from '../../messages';
+import CommentEditor from './CommentEditor';
+import CommentHeader from './CommentHeader';
+import { commentShape } from './proptypes';
+import Reply from './Reply';
+
+function Comment({
+  postType,
+  comment,
+  showFullThread = true,
+  isClosedPost,
+  intl,
+  marginBottom,
+}) {
+  const dispatch = useDispatch();
+  const hasChildren = comment.childCount > 0;
+  const isNested = Boolean(comment.parentId);
+  const inlineReplies = useSelector(selectCommentResponses(comment.id));
+  const [isEditing, setEditing] = useState(false);
+  const [isDeleting, showDeleteConfirmation, hideDeleteConfirmation] = useToggle(false);
+  const [isReporting, showReportConfirmation, hideReportConfirmation] = useToggle(false);
+  const [isReplying, setReplying] = useState(false);
+  const hasMorePages = useSelector(selectCommentHasMorePages(comment.id));
+  const currentPage = useSelector(selectCommentCurrentPage(comment.id));
+  const userCanAddThreadInBlackoutDate = useUserCanAddThreadInBlackoutDate();
+  const {
+    courseId,
+  } = useContext(DiscussionContext);
+  useEffect(() => {
+    // If the comment has a parent comment, it won't have any children, so don't fetch them.
+    if (hasChildren && !currentPage && showFullThread) {
+      dispatch(fetchCommentResponses(comment.id, { page: 1 }));
+    }
+  }, [comment.id]);
+  const actions = useActions({
+    ...comment,
+    postType,
+  });
+  const endorseIcons = actions.find(({ action }) => action === EndorsementStatus.ENDORSED);
+
+  const handleAbusedFlag = () => {
+    if (comment.abuseFlagged) {
+      dispatch(editComment(comment.id, { flagged: !comment.abuseFlagged }));
+    } else {
+      showReportConfirmation();
+    }
+  };
+
+  const handleDeleteConfirmation = () => {
+    dispatch(removeComment(comment.id));
+    hideDeleteConfirmation();
+  };
+
+  const handleReportConfirmation = () => {
+    dispatch(editComment(comment.id, { flagged: !comment.abuseFlagged }));
+    hideReportConfirmation();
+  };
+
+  const actionHandlers = {
+    [ContentActions.EDIT_CONTENT]: () => setEditing(true),
+    [ContentActions.ENDORSE]: async () => {
+      await dispatch(editComment(comment.id, { endorsed: !comment.endorsed }, ContentActions.ENDORSE));
+      await dispatch(fetchThread(comment.threadId, courseId));
+    },
+    [ContentActions.DELETE]: showDeleteConfirmation,
+    [ContentActions.REPORT]: () => handleAbusedFlag(),
+  };
+
+  const handleLoadMoreComments = () => (
+    dispatch(fetchCommentResponses(comment.id, { page: currentPage + 1 }))
+  );
+
+  return (
+    <div className={classNames({ 'mb-3': (showFullThread && !marginBottom) })}>
+      {/* eslint-disable jsx-a11y/no-noninteractive-tabindex */}
+      <div
+        tabIndex="0"
+        className="d-flex flex-column card on-focus"
+        data-testid={`comment-${comment.id}`}
+        role="listitem"
+      >
+        <Confirmation
+          isOpen={isDeleting}
+          title={intl.formatMessage(messages.deleteResponseTitle)}
+          description={intl.formatMessage(messages.deleteResponseDescription)}
+          onClose={hideDeleteConfirmation}
+          comfirmAction={handleDeleteConfirmation}
+          closeButtonVaraint="tertiary"
+          confirmButtonText={intl.formatMessage(messages.deleteConfirmationDelete)}
+        />
+        {!comment.abuseFlagged && (
+          <Confirmation
+            isOpen={isReporting}
+            title={intl.formatMessage(messages.reportResponseTitle)}
+            description={intl.formatMessage(messages.reportResponseDescription)}
+            onClose={hideReportConfirmation}
+            comfirmAction={handleReportConfirmation}
+            confirmButtonVariant="danger"
+          />
+        )}
+        <EndorsedAlertBanner postType={postType} content={comment} />
+        <div className="d-flex flex-column post-card-comment px-4 pt-3.5 pb-10px" aria-level={5}>
+          <HoverCard
+            commentOrPost={comment}
+            actionHandlers={actionHandlers}
+            handleResponseCommentButton={() => setReplying(true)}
+            onLike={() => dispatch(editComment(comment.id, { voted: !comment.voted }))}
+            addResponseCommentButtonMessage={intl.formatMessage(messages.addComment)}
+            isClosedPost={isClosedPost}
+            endorseIcons={endorseIcons}
+          />
+          <AlertBanner content={comment} />
+          <CommentHeader comment={comment} />
+          {isEditing
+            ? (
+              <CommentEditor comment={comment} onCloseEditor={() => setEditing(false)} formClasses="pt-3" />
+            )
+            : (
+              <HTMLLoader
+                cssClassName="comment-body html-loader text-break mt-14px font-style text-primary-500"
+                componentId="comment"
+                htmlNode={comment.renderedBody}
+                testId={comment.id}
+              />
+            )}
+          {comment.voted && (
+            <div className="ml-n1.5 mt-10px">
+              <LikeButton
+                count={comment.voteCount}
+                onClick={() => dispatch(editComment(comment.id, { voted: !comment.voted }))}
+                voted={comment.voted}
+              />
+            </div>
+          )}
+          {inlineReplies.length > 0 && (
+            <div className="d-flex flex-column mt-0.5" role="list">
+              {/* Pass along intl since component used here is the one before it's injected with `injectIntl` */}
+              {inlineReplies.map(inlineReply => (
+                <Reply
+                  reply={inlineReply}
+                  postType={postType}
+                  key={inlineReply.id}
+                  intl={intl}
+                />
+              ))}
+            </div>
+          )}
+          {hasMorePages && (
+            <Button
+              onClick={handleLoadMoreComments}
+              variant="link"
+              block="true"
+              className="font-size-14 line-height-24 font-style pt-10px border-0 font-weight-500 pb-0"
+              data-testid="load-more-comments-responses"
+            >
+              {intl.formatMessage(messages.loadMoreComments)}
+            </Button>
+          )}
+          {!isNested && showFullThread && (
+            isReplying ? (
+              <div className="mt-2.5">
+                <CommentEditor
+                  comment={{ threadId: comment.threadId, parentId: comment.id }}
+                  edit={false}
+                  onCloseEditor={() => setReplying(false)}
+                />
+              </div>
+            ) : (
+              <>
+                {!isClosedPost && userCanAddThreadInBlackoutDate && (inlineReplies.length >= 5)
+                  && (
+                    <Button
+                      className="d-flex flex-grow mt-2 font-size-14 font-style font-weight-500 text-primary-500"
+                      variant="plain"
+                      style={{ height: '36px' }}
+                      onClick={() => setReplying(true)}
+                    >
+                      {intl.formatMessage(messages.addComment)}
+                    </Button>
+                  )}
+              </>
+            )
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
+
+Comment.propTypes = {
+  postType: PropTypes.oneOf(['discussion', 'question']).isRequired,
+  comment: commentShape.isRequired,
+  showFullThread: PropTypes.bool,
+  isClosedPost: PropTypes.bool,
+  intl: intlShape.isRequired,
+  marginBottom: PropTypes.bool,
+};
+
+Comment.defaultProps = {
+  showFullThread: true,
+  isClosedPost: false,
+  marginBottom: true,
+};
+
+export default injectIntl(Comment);
--- a/src/discussions/post-comments/comments/comment/CommentEditor.jsx
+++ b/src/discussions/post-comments/comments/comment/CommentEditor.jsx
@@ -9,19 +9,19 @@ import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
 import { AppContext } from '@edx/frontend-platform/react';
 import { Button, Form, StatefulButton } from '@edx/paragon';

-import { TinyMCEEditor } from '../../../components';
-import FormikErrorFeedback from '../../../components/FormikErrorFeedback';
-import PostPreviewPane from '../../../components/PostPreviewPane';
-import { useDispatchWithState } from '../../../data/hooks';
+import { TinyMCEEditor } from '../../../../components';
+import FormikErrorFeedback from '../../../../components/FormikErrorFeedback';
+import PostPreviewPane from '../../../../components/PostPreviewPane';
+import { useDispatchWithState } from '../../../../data/hooks';
 import {
  selectModerationSettings,
  selectUserHasModerationPrivileges,
  selectUserIsGroupTa,
  selectUserIsStaff,
-} from '../../data/selectors';
-import { formikCompatibleHandler, isFormikFieldInvalid } from '../../utils';
-import { addComment, editComment } from '../data/thunks';
-import messages from '../messages';
+} from '../../../data/selectors';
+import { formikCompatibleHandler, isFormikFieldInvalid } from '../../../utils';
+import { addComment, editComment } from '../../data/thunks';
+import messages from '../../messages';

 function CommentEditor({
  intl,
--- a/src/discussions/post-comments/comments/comment/CommentHeader.jsx
+++ b/src/discussions/post-comments/comments/comment/CommentHeader.jsx
@@ -0,0 +1,54 @@
+import React from 'react';
+
+import classNames from 'classnames';
+import { useSelector } from 'react-redux';
+
+import { injectIntl } from '@edx/frontend-platform/i18n';
+import { Avatar } from '@edx/paragon';
+
+import { AvatarOutlineAndLabelColors } from '../../../../data/constants';
+import { AuthorLabel } from '../../../common';
+import { useAlertBannerVisible } from '../../../data/hooks';
+import { selectAuthorAvatars } from '../../../posts/data/selectors';
+import { commentShape } from './proptypes';
+
+function CommentHeader({
+  comment,
+}) {
+  const authorAvatars = useSelector(selectAuthorAvatars(comment.author));
+  const colorClass = AvatarOutlineAndLabelColors[comment.authorLabel];
+  const hasAnyAlert = useAlertBannerVisible(comment);
+
+  return (
+    <div className={classNames('d-flex flex-row justify-content-between', {
+      'mt-2': hasAnyAlert,
+    })}
+    >
+      <div className="align-items-center d-flex flex-row">
+        <Avatar
+          className={`border-0 ml-0.5 mr-2.5 ${colorClass ? `outline-${colorClass}` : 'outline-anonymous'}`}
+          alt={comment.author}
+          src={authorAvatars?.imageUrlSmall}
+          style={{
+            width: '32px',
+            height: '32px',
+          }}
+        />
+        <AuthorLabel
+          author={comment.author}
+          authorLabel={comment.authorLabel}
+          labelColor={colorClass && `text-${colorClass}`}
+          linkToProfile
+          postCreatedAt={comment.createdAt}
+          postOrComment
+        />
+      </div>
+    </div>
+  );
+}
+
+CommentHeader.propTypes = {
+  comment: commentShape.isRequired,
+};
+
+export default injectIntl(CommentHeader);
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
adeel.tajamul	65a5fa2e37	fix: copy link not working in in-context discussion	2023-02-16 12:10:12 +05:00
Mehak Nasir	f8800de766	feat: added delay in post preview to avoid flashing of content	2023-02-15 17:06:48 +05:00
ayesha waris	f7740de54a	fix: topic info is fixed from posts in incontext discussions (#433 )	2023-02-14 18:17:53 +05:00
Mehak Nasir	4ca25c14d9	fix: restrict tiny mce from converting url	2023-02-14 17:35:37 +05:00
sundasnoreen12	8389d09f22	Merge pull request #430 from openedx/sundas/INF-725 test: added redux, api and selector test cases for in context topics	2023-02-13 16:37:28 +05:00
sundasnoreen12	3233d7044d	test: added redux test cases of in context topics	2023-02-13 15:02:47 +05:00
Awais Ansari	22474f4b1e	feat: add comments sorted by ascending and descending functionality (#408 ) * feat: comments sorting option * feat: create new dropdown for comment sort * test: fix comments failing test cases * refactor: update comment sort filter param * test: update comment sort param in test cases * refactor: resolve lint issue * test: add comment sort param in hover test case * refactor: update comments folder structure * test: add new test cases for comments sort	2023-02-13 14:25:43 +05:00
Jenkins	b5d4213074	chore(i18n): update translations	2023-02-12 15:26:44 -05:00
ayesha waris	71931c83de	refactor: hovercard hover state refactoring (#425 ) * fix: peoples icon fixed to proper height and width * refactor: reduced lines of codes aand changed some classes * fix: fixed side bar peoples icon height and width * test: fix test cases * style: add wrapper around add response button * test: add and fix test cases for hover card * refactor: change line height class and view to hovercard	2023-02-09 23:30:16 +05:00
ayesha waris	f9ca375853	style: in-context discussions style updates (#426 ) * style: change size of postactionbar in incontext discussions * style: change postfilterbar text color and style * style: change side bar icon sizes accoording to figma * style: change margin for post aacording to figmaa * style: change add a post style aaccording to figma * refactor: remove unnecessary spaces * refactor: use lineheight24 aand fontstyle class --------- Co-authored-by: Mehak Nasir <67791278+mehaknasir@users.noreply.github.com>	2023-02-09 16:08:22 +05:00
Mehak Nasir	3d8353dc87	docs: updated read me and catalog info files (#428 ) * docs: updated read me and catallog info files * chore: added pull request template	2023-02-08 18:19:52 +05:00
ayesha waris	21bec39c0f	fix: fix mathjax text overflowing (#429 )	2023-02-08 15:17:44 +05:00
Jenkins	a479ba5955	chore(i18n): update translations	2023-02-05 15:26:45 -05:00
Ahtisham Shahid	bafb55afa9	fix: use threads api in case of search (#419 ) * fix: use threads api in case of search	2023-02-01 14:17:43 +05:00
ayesha waris	62ebd4450f	style: post content style updates (#407 ) * style: post content design updates * fix: fixing test cases * fix: preview p changed from capital to small and 2px focus state border * style: comment time moved next to author name * fix: fixed post style according to figma * test: added test cases for hover card component * refactor: added utility func to check if last element of list * fix: fixed blur event for actions dropdown * fix: review fixees * test: fixed test cases post mathjax-v3 merge --------- Co-authored-by: Mehak Nasir <mehaknasir94@gmail.com>	2023-01-30 17:30:12 +05:00
Jenkins	04e0bb3264	chore(i18n): update translations	2023-01-29 15:26:44 -05:00
Mehak Nasir	2a187ca1df	Mathjax v3 fix (#423 ) * feat: added mathjax v3 support in platform * fix: overwriting of comments and responses fixed	2023-01-27 16:49:38 +05:00
AsadAzam	7de274a73e	Revert "feat: added mathjax v3 support in platform (#420 )" (#421 ) This reverts commit `ad640611a1`.	2023-01-26 20:27:55 +05:00
Mehak Nasir	ad640611a1	feat: added mathjax v3 support in platform (#420 )	2023-01-26 17:43:07 +05:00
Mehak Nasir	42fa6a62c6	fix: changed ref to id for mathjax rendering div (#418 ) fix: changed ref to id for mathjax rendering div fix: fix lint error of unused element	2023-01-25 17:24:23 +05:00
Mashal Malik	4a49c13f14	Moving code coverage from codecov package to CI (#414 ) * fix: removed depreciated package codecov and update version in ci * refactor: remove deprecated es-check pacakge	2023-01-25 16:59:57 +05:00
Mehak Nasir	19e775737c	fix: output format changed for mathjax script (#417 )	2023-01-25 16:14:36 +05:00
Mehak Nasir	b7e5dd0e28	fix: testing mathjax issue fix with script change (#416 )	2023-01-25 13:47:54 +05:00
Mehak Nasir	f33e3c3e3d	fix: wrapped all content under mathjax script provider (#411 ) * fix: wrapped all content under mathjax script provider * fix: removed third party package from package json file	2023-01-24 18:44:35 +05:00
Ahtisham Shahid	4e659f8293	fix: resolve tour state update error (#415 )	2023-01-24 13:36:37 +05:00
Jenkins	02cf34a467	chore(i18n): update translations	2023-01-22 15:26:44 -05:00
ayesha waris	722da9616f	fix: page width does not increase due to long text (#412 )	2023-01-20 13:15:44 +05:00
Ahtisham Shahid	6948a9fa5e	feat: added tour for not responded filter (#406 ) * feat: added tour for not responded filter * fix: resolved linter errors * refactor: added translations, removed redundant code, fixed tests * refactor: made tour component generic * fix: update isEmpty logic	2023-01-17 20:55:36 +05:00
Awais Ansari	e1d8af4498	fix: editedBy and closedBy banner will be visible to global staff (#410 ) * fix: editedBy and closedBy banner will be visible to global staff * refactor: rename isAdmin to userIsGlobalStaff	2023-01-17 17:41:32 +05:00
Jenkins	2a50edc334	chore(i18n): update translations	2023-01-15 15:26:43 -05:00
Mehak Nasir	a218c29831	style: fixes add/edit post section redesigned	2023-01-11 16:59:04 +05:00
Awais Ansari	6e03d5bfe8	fix: update post delete function to async (#404 )	2023-01-09 16:55:19 +05:00
Awais Ansari	fd4dbef2e0	fix: deleting a post from sidebar renders entire MFE in the sidebar (#403 )	2023-01-09 14:35:54 +05:00
Jenkins	f614c42cc5	chore(i18n): update translations	2023-01-08 15:26:40 -05:00
Mehak Nasir	928108e96c	style: username space issue post summary	2023-01-05 20:06:52 +05:00
Mehak Nasir	aade749d54	fix: tooltip text updates according to new requirements	2023-01-05 20:06:52 +05:00
Mehak Nasir	1494741fae	fix: text update for blackout dates banner	2023-01-05 14:32:14 +05:00
Awais Ansari	01547730a8	fix: inContext topics screen center issue on every loading (#399 )	2023-01-04 14:38:28 +05:00
Awais Ansari	58e724d724	feat: display archived topics is post editor and topics list (#397 ) * fix: display subsection name when there is no units in subsection * feat: display archived topics is post editor and topics list * fix: posts filter are affecting topic posts result	2023-01-04 14:01:56 +05:00
Mehak Nasir	9c576ff3dc	style: post summary card design updates	2023-01-03 20:20:00 +05:00
Awais Ansari	3f890401e8	feat: implements new v3 in-context topics structure (#371 )	2022-12-30 17:15:47 +05:00
ayesha waris	3622d46538	fix: moved spinner to center and reply menu icon to right side (#396 )	2022-12-28 17:21:04 +05:00
ayesha waris	4eaac1eb03	fix: loading icon and filter menu shows when api call is in progress in my posts tab (#389 )	2022-12-27 18:24:58 +05:00
Jenkins	2a5e643562	chore(i18n): update translations	2022-12-25 15:26:57 -05:00
Mehak Nasir	b47fc9b3e9	fix: post edit reason will not be sent in case of global staff own post	2022-12-23 17:22:17 +05:00
Mehak Nasir	bb6e47ce70	fix: disabled relative link	2022-12-23 17:15:54 +05:00
Mehak Nasir	f378b21e32	chore: code style fix	2022-12-23 16:24:31 +05:00
Mehak Nasir	c6a81e6d15	style: z-index fixes for UI elements in user dropdown and editor toolbar	2022-12-23 15:43:04 +05:00
ayesha waris	283e16a477	fix: add response button does not show when no responses avaiable (#391 )	2022-12-21 16:03:32 +05:00
Adolfo R. Brandes	0c71e8b5b7	feat: Support runtime configuration (second attempt) (This reintroduces the change in `9f84230c` that was later reverted by 67b0b33a.) frontend-platform supports runtime configuration since 2.5.0 (see the PR that introduced it[1], but it requires MFE cooperation. This implements just that: by avoiding making configuration values constant, it should now be possible to change them after initialization. Almost all changes here relate to the `LMS_BASE_URL` setting, which in most places was treated as a constant. [1] https://github.com/openedx/frontend-platform/pull/335	2022-12-20 17:54:21 +05:00
ayesha waris	49d6fbed3c	fix: removed no endorsed responses from question type post (#383 ) * fix: removed no endorsed responses from question type post * refactor: add a reponse button only shows once at the bottom * refactor: removes unnecessaary arguments from handle comments	2022-12-20 17:42:44 +05:00
Ahtisham Shahid	b1c1f1c024	fix: removed sidebar in case there are no posts (#367 ) * fix: removed sidebar in case there are no posts	2022-12-19 11:35:14 +05:00
Jenkins	af029b43a2	chore(i18n): update translations	2022-12-18 15:26:38 -05:00
ayesha waris	b7aff94513	Merge pull request #372 from openedx/INF-685 fix: discussions navigation tab is not sticking to top	2022-12-16 15:21:28 +05:00
ayeshoali	c26c7d34e6	fix: discussions navigation tab is not sticking to top	2022-12-16 14:39:45 +05:00
SaadYousaf	2eee6c3ca2	fix: fix cohort field on content filter event.	2022-12-15 18:37:30 +05:00
SaadYousaf	e7a41b2391	fix: cleanup events and add filter content event to learners tab filters	2022-12-15 15:39:29 +05:00
AsadAzam	ad42959e56	Merge pull request #382 from openedx/revert-377-support-runtime-config Revert "feat: Support runtime configuration"	2022-12-13 12:45:35 +05:00
AsadAzam	67b0b33a81	Revert "feat: Support runtime configuration" This reverts commit `9f84230c17`.	2022-12-12 15:36:40 +05:00
Jenkins	da108a2054	chore(i18n): update translations	2022-12-11 15:26:38 -05:00
Mehak Nasir	1005752bf1	fix: image paste is blocked in tinymce	2022-12-09 18:07:57 +05:00
Mehak Nasir	31a66f6832	fix: filter result rendering fixed in topics	2022-12-09 17:58:08 +05:00
SaadYousaf	37053e9bd3	feat: add tracking event for content filtering in discussion MFE	2022-12-09 16:21:23 +05:00
Adolfo R. Brandes	9f84230c17	feat: Support runtime configuration frontend-platform supports runtime configuration since 2.5.0 (see the PR that introduced it[1], but it requires MFE cooperation. This implements just that: by avoiding making configuration values constant, it should now be possible to change them after initialization. Almost all changes here relate to the `LMS_BASE_URL` setting, which in most places was treated as a constant. [1] https://github.com/openedx/frontend-platform/pull/335	2022-12-09 10:39:59 +00:00
SaadYousaf	d60f1afa6b	feat: add event tracking for user sorting on learners tab in discussions MFE.	2022-12-08 14:50:01 +05:00
Jenkins	df6a0d4293	chore(i18n): update translations	2022-12-04 15:26:37 -05:00
ayesha waris	e8bd91b418	Merge pull request #361 from openedx/INF-628 fix: add a post/response/comment during active blackout dates fixed for all roles	2022-12-02 18:23:13 +05:00
ayesha waris	bdaa13a7ad	Merge branch 'master' into INF-628	2022-12-02 17:51:38 +05:00
ayeshoali	5ab324c9ca	test: changed structure of test cases	2022-12-02 17:48:17 +05:00
Mehak Nasir	00ab8283e2	fix: UI style fixed for medium screens	2022-12-02 16:14:13 +05:00
ayesha waris	1719315681	Merge branch 'master' into INF-628	2022-12-01 21:06:10 +05:00
ayeshoali	8e19eed468	test: testcases made for hook useusercanaddthreadinblackoutDate	2022-12-01 20:46:37 +05:00
ayesha waris	11460a3d26	Merge pull request #368 from openedx/INF-628-fix fix: lint fixes	2022-12-01 17:51:20 +05:00
ayeshoali	a3d0273de6	fix: lint fixes	2022-12-01 17:41:27 +05:00
ayesha waris	f1d2de6694	Merge branch 'master' into INF-628	2022-12-01 16:56:55 +05:00
ayeshoali	1169de04f6	refactor: hook's return condition changed	2022-12-01 16:48:44 +05:00
ayesha waris	aa7a5a8cc1	Merge pull request #366 from openedx/INF-661 style: 3 level topic hierarchy accomodated when incontext discussions…	2022-12-01 16:32:59 +05:00
ayeshoali	9d9377bb8c	refactor: used classname in conditional class	2022-12-01 16:31:48 +05:00
ayeshoali	f45f47f2e0	style: 3 level topic hierarchy accomodated when incontext discussions is enabled	2022-12-01 16:31:28 +05:00
ayesha waris	bea247f6e5	Merge pull request #357 from openedx/INF-666 style: confirmation modal added when reporting content	2022-12-01 16:25:29 +05:00
ayesha waris	9e878fc916	Merge branch 'master' into INF-666	2022-12-01 16:08:23 +05:00
ayeshoali	21176131a7	fix: removed divider from report in action drop down	2022-12-01 16:05:40 +05:00
Mehak Nasir	b23846b1e4	fix: handled thread not found result on frontend	2022-12-01 15:44:18 +05:00
ayeshoali	7912d70388	refactor: handled confirm action to functions	2022-11-30 19:04:32 +05:00
ayeshoali	42f1efd0a0	refactor: confirmation modal modified to handle variants	2022-11-30 19:04:32 +05:00
ayeshoali	8e449acde7	refactor: changed deleteconfirm and reportconfirm rename to comfirmAction and made it required	2022-11-30 19:04:32 +05:00
ayeshoali	5f477cb93f	fix: report icon changed to correct report icon	2022-11-30 19:04:32 +05:00
ayeshoali	cf8f08172f	fix: fixed test cases	2022-11-30 19:04:32 +05:00
ayeshoali	b72dbae4f0	style: confirmation modal added when reporting content	2022-11-30 19:04:32 +05:00
ayeshoali	f805f73447	refactor: modified hook to use can add thread in blackout dates	2022-11-30 13:42:47 +05:00
ayeshoali	27c4d7e3d6	refactor: made hook to get privilage users	2022-11-30 13:42:47 +05:00
ayeshoali	b976e812dc	fix: add a post during active blackout dates fixed for all roles	2022-11-30 13:42:47 +05:00