Add feature-based enrollment search to support form

lms/djangoapps/support/urls.py

@@ -7,6 +7,7 @@ from lms.djangoapps.support.views.contact_us import ContactUsView
 from support.views.certificate import CertificatesSupportView
 from support.views.course_entitlements import EntitlementSupportView
 from support.views.enrollments import EnrollmentSupportListView, EnrollmentSupportView
+from support.views.feature_based_enrollments import FeatureBasedEnrollmentsSupportView
 from support.views.index import index
 from support.views.manage_user import ManageUserDetailView, ManageUserSupportView
 from support.views.refund import RefundSupportView
@@ -32,4 +33,9 @@ urlpatterns = [
         ManageUserDetailView.as_view(),
         name="manage_user_detail"
     ),
+    url(
+        r'^feature_based_enrollments/?$',
+        FeatureBasedEnrollmentsSupportView.as_view(),
+        name="feature_based_enrollments"
+    ),
 ]

lms/djangoapps/support/views/feature_based_enrollments.py

@@ -0,0 +1,72 @@
+"""
+Support tool for viewing course duration information
+"""
+from django.core.exceptions import ObjectDoesNotExist
+from django.utils.decorators import method_decorator
+from django.views.generic import View
+from edxmako.shortcuts import render_to_response
+from lms.djangoapps.support.decorators import require_support_permission
+from opaque_keys import InvalidKeyError
+from opaque_keys.edx.keys import CourseKey
+from openedx.features.course_duration_limits.models import CourseDurationLimitConfig
+from openedx.features.content_type_gating.models import ContentTypeGatingConfig
+from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
+
+
+class FeatureBasedEnrollmentsSupportView(View):
+    """
+    View for listing course duration settings for
+    support team.
+    """
+    @method_decorator(require_support_permission)
+    def get(self, request):
+        """
+        Render the course duration tool view.
+        """
+        course_key = request.GET.get('course_key', '')
+
+        if course_key:
+            results = self._get_course_duration_info(course_key)
+        else:
+            results = []
+
+        return render_to_response('support/feature_based_enrollments.html', {
+            'course_key': course_key,
+            'results': results,
+        })
+
+    def _get_course_duration_info(self, course_key):
+        """
+        Fetch course duration information from database
+        """
+        results = []
+
+        try:
+            key = CourseKey.from_string(course_key)
+            course = CourseOverview.objects.values('display_name').get(id=key)
+            duration_config = CourseDurationLimitConfig.current(course_key=key)
+            gating_config = ContentTypeGatingConfig.current(course_key=key)
+            misconfigured = duration_config.enabled != gating_config.enabled
+
+            if misconfigured:
+                enabled = 'Partial'
+                enabled_as_of = 'Misconfigured'
+                reason = 'Misconfiguration'
+            else:
+                enabled = duration_config.enabled or False
+                enabled_as_of = str(duration_config.enabled_as_of) if duration_config.enabled_as_of else 'N/A'
+                reason = duration_config.provenances['enabled']
+
+            data = {
+                'course_id': course_key,
+                'course_name': course.get('display_name'),
+                'enabled': enabled,
+                'enabled_as_of': enabled_as_of,
+                'reason': reason,
+            }
+            results.append(data)
+
+        except (ObjectDoesNotExist, InvalidKeyError):
+            pass
+
+        return results

lms/djangoapps/support/views/index.py

@@ -36,6 +36,11 @@ SUPPORT_INDEX_URLS = [
         "name": _("Entitlements"),
         "description": _("View, create, and reissue learner entitlements"),
     },
+    {
+        "url": reverse_lazy("support:feature_based_enrollments"),
+        "name": _("Feature Based Enrollments"),
+        "description": _("View feature based enrollment settings"),
+    },
 ]
 
 

lms/static/sass/views/_support.scss

@@ -185,6 +185,34 @@
   text-align: center;
 }
 
+.fb-enrollments-results {
+  .fb-enrollments-table {
+    display: inline-block;
+  }
+
+  th {
+    @extend %t-title7;
+
+    text-align: center;
+  }
+
+  td{
+    padding: 0 23px;
+  }
+}
+
+.fb-enrollments-content{
+  text-align: center;
+}
+
+.fb-enrollments-search{
+  margin: 40px 0;
+
+  input[name="course_key"] {
+    width: 350px;
+  }
+}
+
 .contact-us-wrapper {
   min-width: auto;
 

lms/templates/support/feature_based_enrollments.html

@@ -0,0 +1,56 @@
+<%page expression_filter="h"/>
+
+<%!
+from django.utils.translation import ugettext as _
+%>
+
+<%namespace name='static' file='../static_content.html'/>
+<%inherit file="../main.html" />
+
+<%block name="pagetitle">
+${_("Feature Based Enrollments")}
+</%block>
+
+<%block name="content">
+<section class="container outside-app">
+  <h1>${_("Student Support: Feature Based Enrollments")}</h1>
+  <div class="fb-enrollments-content">
+    <div class="fb-enrollments-search">
+        <form class="fb-enrollments-form">
+            <label class="sr" for="course-query-input">Search</label>
+            <input id="course-query-input" type="text" name="course_key" value="${course_key}" placeholder="Course Id">
+            <input type="submit" value="Search" class="btn-disable-on-submit">
+        </form>
+    </div>
+
+    <div class="fb-enrollments-results">
+      % if len(results) > 0:
+        <table id="fb-enrollments-table" class="fb-enrollments-table display compact nowrap">
+          <thead>
+            <tr>
+              <th>${_("Course ID")}</th>
+              <th>${_("Course Name")}</th>
+              <th>${_("Is Enabled")}</th>
+              <th>${_("Enabled As Of")}</th>
+              <th>${_("Reason")}</th>
+            </tr>
+          </thead>
+          <tbody>
+            % for data in results:
+            <tr>
+              <td>${data.get('course_id')}</td>
+              <td>${data.get('course_name')}</td>
+              <td>${data.get('enabled')}</td>
+              <td>${data.get('enabled_as_of')}</td>
+              <td>${data.get('reason')}</td>
+            </tr>
+            % endfor
+          </tbody>
+        </table>
+      % elif course_key:
+        <div>${_("No results found")}</div>
+      % endif
+    </div>
+  </div>
+</section>
+</%block>

openedx/core/djangoapps/config_model_utils/models.py

@@ -7,6 +7,9 @@ StackedConfigurationModel: A ConfigurationModel that can be overridden at site,
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from collections import defaultdict
+from enum import Enum
+
 from django.conf import settings
 from django.db import models
 from django.db.models import Q, F
@@ -21,6 +24,17 @@ from openedx.core.djangoapps.site_configuration.models import SiteConfiguration
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 
 
+class Provenance(Enum):
+    """
+    Provenance enum
+    """
+    course = _('Course')
+    org = _('Org')
+    site = _('Site')
+    global_ = _('Global')
+    default = _('Default')
+
+
 class StackedConfigurationModel(ConfigurationModel):
     """
     A ConfigurationModel that stacks Global, Site, Org, and Course level
@@ -134,16 +148,91 @@ class StackedConfigurationModel(ConfigurationModel):
             F('site').desc(nulls_first=True),
         )
 
+        provenances = defaultdict(lambda: Provenance.default)
         for override in overrides:
             for field in stackable_fields:
                 value = field.value_from_object(override)
                 if value != field_defaults[field.name]:
                     values[field.name] = value
+                    if override.course_id is not None:
+                        provenances[field.name] = Provenance.course
+                    elif override.org is not None:
+                        provenances[field.name] = Provenance.org
+                    elif override.site_id is not None:
+                        provenances[field.name] = Provenance.site
+                    else:
+                        provenances[field.name] = Provenance.global_
 
         current = cls(**values)
+        current.provenances = {field.name: provenances[field.name] for field in stackable_fields}  # pylint: disable=attribute-defined-outside-init
         cache.set(cache_key_name, current, cls.cache_timeout)
         return current
 
+    @classmethod
+    def all_current_course_configs(cls):
+        """
+        Return configuration for all courses
+        """
+        all_courses = CourseOverview.objects.all()
+        all_site_configs = SiteConfiguration.objects.filter(
+            values__contains='course_org_filter', enabled=True
+        ).select_related('site')
+
+        try:
+            default_site = Site.objects.get(id=settings.SITE_ID)
+        except Site.DoesNotExist:
+            default_site = RequestSite(crum.get_current_request())
+
+        sites_by_org = defaultdict(lambda: default_site)
+        site_cfg_org_filters = (
+            (site_cfg.site, site_cfg.values['course_org_filter'])
+            for site_cfg in all_site_configs
+        )
+        sites_by_org.update({
+            org: site
+            for (site, orgs) in site_cfg_org_filters
+            for org in (orgs if isinstance(orgs, list) else [orgs])
+        })
+
+        all_overrides = cls.objects.current_set()
+        overrides = {
+            (override.site_id, override.org, override.course_id): override
+            for override in all_overrides
+        }
+
+        stackable_fields = [cls._meta.get_field(field_name) for field_name in cls.STACKABLE_FIELDS]
+        field_defaults = {
+            field.name: field.get_default()
+            for field in stackable_fields
+        }
+
+        def provenance(course, field):
+            """
+            Return provenance for given field
+            """
+            for (config_key, provenance) in [
+                ((None, None, course.id), Provenance.course),
+                ((None, course.id.org, None), Provenance.org),
+                ((sites_by_org[course.id.org].id, None, None), Provenance.site),
+                ((None, None, None), Provenance.global_),
+            ]:
+                config = overrides.get(config_key)
+                if config is None:
+                    continue
+                value = field.value_from_object(config)
+                if value != field_defaults[field.name]:
+                    return (value, provenance)
+
+            return (field_defaults[field.name], Provenance.default)
+
+        return {
+            course.id: {
+                field.name: provenance(course, field)
+                for field in stackable_fields
+            }
+            for course in all_courses
+        }
+
     @classmethod
     def cache_key_name(cls, site, org, course=None, course_key=None):  # pylint: disable=arguments-differ
         if course is not None and course_key is not None:

openedx/features/content_type_gating/tests/test_models.py

@@ -4,9 +4,12 @@ import itertools
 import ddt
 from django.utils import timezone
 from mock import Mock
+import pytz
 
-from openedx.core.djangoapps.site_configuration.tests.factories import SiteConfigurationFactory
+from opaque_keys.edx.locator import CourseLocator
+from openedx.core.djangoapps.config_model_utils.models import Provenance
 from openedx.core.djangoapps.content.course_overviews.tests.factories import CourseOverviewFactory
+from openedx.core.djangoapps.site_configuration.tests.factories import SiteConfigurationFactory
 from openedx.core.djangoapps.waffle_utils.testutils import override_waffle_flag
 from openedx.core.djangolib.testing.utils import CacheIsolationTestCase
 from openedx.features.content_type_gating.models import ContentTypeGatingConfig
@@ -173,6 +176,62 @@ class TestContentTypeGatingConfig(CacheIsolationTestCase):
         self.assertEqual(expected_org_setting, ContentTypeGatingConfig.current(org=test_course.org).enabled)
         self.assertEqual(expected_course_setting, ContentTypeGatingConfig.current(course_key=test_course.id).enabled)
 
+    def test_all_current_course_configs(self):
+        # Set up test objects
+        for global_setting in (True, False, None):
+            ContentTypeGatingConfig.objects.create(enabled=global_setting, enabled_as_of=datetime(2018, 1, 1))
+            for site_setting in (True, False, None):
+                test_site_cfg = SiteConfigurationFactory.create(values={'course_org_filter': []})
+                ContentTypeGatingConfig.objects.create(site=test_site_cfg.site, enabled=site_setting, enabled_as_of=datetime(2018, 1, 1))
+
+                for org_setting in (True, False, None):
+                    test_org = "{}-{}".format(test_site_cfg.id, org_setting)
+                    test_site_cfg.values['course_org_filter'].append(test_org)
+                    test_site_cfg.save()
+
+                    ContentTypeGatingConfig.objects.create(org=test_org, enabled=org_setting, enabled_as_of=datetime(2018, 1, 1))
+
+                    for course_setting in (True, False, None):
+                        test_course = CourseOverviewFactory.create(
+                            org=test_org,
+                            id=CourseLocator(test_org, 'test_course', 'run-{}'.format(course_setting))
+                        )
+                        ContentTypeGatingConfig.objects.create(course=test_course, enabled=course_setting, enabled_as_of=datetime(2018, 1, 1))
+
+            with self.assertNumQueries(4):
+                all_configs = ContentTypeGatingConfig.all_current_course_configs()
+
+        # Deliberatly using the last all_configs that was checked after the 3rd pass through the global_settings loop
+        # We should be creating 3^4 courses (3 global values * 3 site values * 3 org values * 3 course values)
+        # Plus 1 for the edX/toy/2012_Fall course
+        self.assertEqual(len(all_configs), 3**4 + 1)
+
+        # Point-test some of the final configurations
+        self.assertEqual(
+            all_configs[CourseLocator('7-True', 'test_course', 'run-None')],
+            {
+                'enabled': (True, Provenance.org),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+                'studio_override_enabled': (None, Provenance.default),
+            }
+        )
+        self.assertEqual(
+            all_configs[CourseLocator('7-True', 'test_course', 'run-False')],
+            {
+                'enabled': (False, Provenance.course),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+                'studio_override_enabled': (None, Provenance.default),
+            }
+        )
+        self.assertEqual(
+            all_configs[CourseLocator('7-None', 'test_course', 'run-None')],
+            {
+                'enabled': (True, Provenance.site),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+                'studio_override_enabled': (None, Provenance.default),
+            }
+        )
+
     def test_caching_global(self):
         global_config = ContentTypeGatingConfig(enabled=True, enabled_as_of=datetime(2018, 1, 1))
         global_config.save()

openedx/features/course_duration_limits/tests/test_models.py

@@ -8,6 +8,10 @@ import itertools
 import ddt
 from django.utils import timezone
 from mock import Mock
+import pytz
+
+from opaque_keys.edx.locator import CourseLocator
+from openedx.core.djangoapps.config_model_utils.models import Provenance
 from openedx.core.djangoapps.site_configuration.tests.factories import SiteConfigurationFactory
 from openedx.core.djangoapps.content.course_overviews.tests.factories import CourseOverviewFactory
 from openedx.core.djangoapps.waffle_utils.testutils import override_waffle_flag
@@ -199,6 +203,65 @@ class TestCourseDurationLimitConfig(CacheIsolationTestCase):
         self.assertEqual(expected_org_setting, CourseDurationLimitConfig.current(org=test_course.org).enabled)
         self.assertEqual(expected_course_setting, CourseDurationLimitConfig.current(course_key=test_course.id).enabled)
 
+    def test_all_current_course_configs(self):
+        # Set up test objects
+        for global_setting in (True, False, None):
+            CourseDurationLimitConfig.objects.create(enabled=global_setting, enabled_as_of=datetime(2018, 1, 1))
+            for site_setting in (True, False, None):
+                test_site_cfg = SiteConfigurationFactory.create(values={'course_org_filter': []})
+                CourseDurationLimitConfig.objects.create(
+                    site=test_site_cfg.site, enabled=site_setting, enabled_as_of=datetime(2018, 1, 1)
+                )
+
+                for org_setting in (True, False, None):
+                    test_org = "{}-{}".format(test_site_cfg.id, org_setting)
+                    test_site_cfg.values['course_org_filter'].append(test_org)
+                    test_site_cfg.save()
+
+                    CourseDurationLimitConfig.objects.create(
+                        org=test_org, enabled=org_setting, enabled_as_of=datetime(2018, 1, 1)
+                    )
+
+                    for course_setting in (True, False, None):
+                        test_course = CourseOverviewFactory.create(
+                            org=test_org,
+                            id=CourseLocator(test_org, 'test_course', 'run-{}'.format(course_setting))
+                        )
+                        CourseDurationLimitConfig.objects.create(
+                            course=test_course, enabled=course_setting, enabled_as_of=datetime(2018, 1, 1)
+                        )
+
+            with self.assertNumQueries(4):
+                all_configs = CourseDurationLimitConfig.all_current_course_configs()
+
+        # Deliberatly using the last all_configs that was checked after the 3rd pass through the global_settings loop
+        # We should be creating 3^4 courses (3 global values * 3 site values * 3 org values * 3 course values)
+        # Plus 1 for the edX/toy/2012_Fall course
+        self.assertEqual(len(all_configs), 3**4 + 1)
+
+        # Point-test some of the final configurations
+        self.assertEqual(
+            all_configs[CourseLocator('7-True', 'test_course', 'run-None')],
+            {
+                'enabled': (True, Provenance.org),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+            }
+        )
+        self.assertEqual(
+            all_configs[CourseLocator('7-True', 'test_course', 'run-False')],
+            {
+                'enabled': (False, Provenance.course),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+            }
+        )
+        self.assertEqual(
+            all_configs[CourseLocator('7-None', 'test_course', 'run-None')],
+            {
+                'enabled': (True, Provenance.site),
+                'enabled_as_of': (datetime(2018, 1, 1, 5, tzinfo=pytz.UTC), Provenance.course),
+            }
+        )
+
     def test_caching_global(self):
         global_config = CourseDurationLimitConfig(enabled=True, enabled_as_of=datetime(2018, 1, 1))
         global_config.save()