fix: added correct url in notification content_url (#32725)

* fix: added correct URL in notification content_url
* fix: updated logic to compare user ids

lms/djangoapps/discussion/rest_api/tests/test_utils.py

@@ -5,6 +5,7 @@ Tests for Discussion REST API utils.
 from datetime import datetime, timedelta
 from unittest.mock import Mock
 
+from django.conf import settings
 from httpretty import httpretty
 from pytz import UTC
 import unittest
@@ -195,7 +196,10 @@ class TestSendResponseNotifications(ForumsEnableMixin, CommentsServiceMockMixin,
             'course_name': self.course.display_name,
         }
         self.assertDictEqual(args.context, expected_context)
-        self.assertEqual(args.content_url, 'http://example.com/1')
+        self.assertEqual(
+            args.content_url,
+            self._get_mfe_url(self.course.id, self.thread.id)
+        )
         self.assertEqual(args.app_name, 'discussion')
 
     def test_send_notification_to_parent_threads(self):
@@ -229,7 +233,10 @@ class TestSendResponseNotifications(ForumsEnableMixin, CommentsServiceMockMixin,
             'course_name': self.course.display_name,
         }
         self.assertDictEqual(args_comment.context, expected_context)
-        self.assertEqual(args_comment.content_url, 'http://example.com/1')
+        self.assertEqual(
+            args_comment.content_url,
+            self._get_mfe_url(self.course.id, self.thread.id)
+        )
         self.assertEqual(args_comment.app_name, 'discussion')
 
         # check if the notification is sent to the parent response creator
@@ -241,7 +248,10 @@ class TestSendResponseNotifications(ForumsEnableMixin, CommentsServiceMockMixin,
             'course_name': self.course.display_name,
         }
         self.assertDictEqual(args_comment_on_response.context, expected_context)
-        self.assertEqual(args_comment_on_response.content_url, 'http://example.com/1')
+        self.assertEqual(
+            args_comment_on_response.content_url,
+            self._get_mfe_url(self.course.id, self.thread.id)
+        )
         self.assertEqual(args_comment_on_response.app_name, 'discussion')
 
     def test_no_signal_on_creators_own_thread(self):
@@ -253,3 +263,6 @@ class TestSendResponseNotifications(ForumsEnableMixin, CommentsServiceMockMixin,
         USER_NOTIFICATION_REQUESTED.connect(handler)
         send_response_notifications(self.thread, self.course, self.user_1, parent_id=None)
         self.assertEqual(handler.call_count, 0)
+
+    def _get_mfe_url(self, course_id, post_id):
+        return f"{settings.DISCUSSIONS_MICROFRONTEND_URL}/{str(course_id)}/posts/{post_id}"

lms/djangoapps/discussion/rest_api/utils.py

@@ -3,6 +3,7 @@ Utils for discussion API.
 """
 from typing import List, Dict
 
+from django.conf import settings
 from django.contrib.auth.models import User  # lint-amnesty, pylint: disable=imported-auth-user
 from django.core.paginator import Paginator
 from django.db.models.functions import Length
@@ -398,7 +399,7 @@ class DiscussionNotificationSender:
                 **extra_context,
             },
             notification_type=notification_type,
-            content_url=self.thread.url_with_id(params={'id': self.thread.id}),
+            content_url=f"{settings.DISCUSSIONS_MICROFRONTEND_URL}/{str(self.course.id)}/posts/{self.thread.id}",
             app_name="discussion",
             course_key=self.course.id,
         )

openedx/core/djangoapps/notifications/tasks.py

@@ -132,7 +132,7 @@ def create_notification_pref_if_not_exists(user_ids: List, preferences: List, co
     new_preferences = []
 
     for user_id in user_ids:
-        if not any(preference.user_id == user_id for preference in preferences):
+        if not any(preference.user_id == int(user_id) for preference in preferences):
             new_preferences.append(CourseNotificationPreference(
                 user_id=user_id,
                 course_id=course_id,