[BD-32] feat: add 2nd batch of Open edX Filters

common/djangoapps/student/models.py

@@ -66,7 +66,7 @@
     COURSE_ENROLLMENT_CREATED,
     COURSE_UNENROLLMENT_COMPLETED,
 )
-from openedx_filters.learning.filters import CourseEnrollmentStarted
+from openedx_filters.learning.filters import CourseEnrollmentStarted, CourseUnenrollmentStarted
 import openedx.core.djangoapps.django_comment_common.comment_client as cc
 from common.djangoapps.course_modes.models import CourseMode, get_cosmetic_verified_display_price
 from common.djangoapps.student.emails import send_proctoring_requirements_email
@@ -1122,6 +1122,10 @@ class EnrollmentNotAllowed(CourseEnrollmentException):
     pass
 
 
+class UnenrollmentNotAllowed(CourseEnrollmentException):
+    pass
+
+
 class CourseEnrollmentManager(models.Manager):
     """
     Custom manager for CourseEnrollment with Table-level filter methods.
@@ -1767,6 +1771,12 @@ def unenroll(cls, user, course_id, skip_refund=False):
 
         try:
             record = cls.objects.get(user=user, course_id=course_id)
+
+            try:
+                record = CourseUnenrollmentStarted.run_filter(enrollment=record)
+            except CourseUnenrollmentStarted.PreventUnenrollment as exc:
+                raise UnenrollmentNotAllowed(str(exc)) from exc
+
             record.update_enrollment(is_active=False, skip_refund=skip_refund)
 
         except cls.DoesNotExist:

common/djangoapps/student/views/dashboard.py

@@ -18,6 +18,7 @@
 from edx_django_utils.plugins import get_plugins_view_context
 from edx_toggles.toggles import LegacyWaffleFlag, LegacyWaffleFlagNamespace
 from opaque_keys.edx.keys import CourseKey
+from openedx_filters.learning.filters import DashboardRenderStarted
 from pytz import UTC
 
 from lms.djangoapps.bulk_email.api import is_bulk_email_feature_enabled
@@ -65,6 +66,19 @@
 experiments_namespace = LegacyWaffleFlagNamespace(name='student.experiments')
 
 
+class DashboardException(Exception):
+    """
+    Exception class that requires redirecting to a URL.
+    """
+    def __init__(self, url):
+        super().__init__()
+        self.url = url
+
+
+class DashboardRenderNotAllowed(DashboardException):
+    pass
+
+
 def get_org_black_and_whitelist_for_site():
     """
     Returns the org blacklist and whitelist for the current site.
@@ -863,7 +877,15 @@ def student_dashboard(request):  # lint-amnesty, pylint: disable=too-many-statem
         'resume_button_urls': resume_button_urls
     })
 
-    response = render_to_response('dashboard.html', context)
+    dashboard_template = 'dashboard.html'
+    try:
+        context, dashboard_template = DashboardRenderStarted.run_filter(
+            context=context, template_name=dashboard_template,
+        )
+    except DashboardRenderStarted.PreventDashboardRender as exc:
+        raise DashboardRenderNotAllowed(reverse(exc.redirect_to or 'account_settings')) from exc
+
+    response = render_to_response(dashboard_template, context)
     if show_account_activation_popup:
         response.delete_cookie(
             settings.SHOW_ACTIVATE_CTA_POPUP_COOKIE_NAME,

lms/djangoapps/certificates/models.py

@@ -16,12 +16,12 @@
 from django.db import models, transaction
 from django.db.models import Count
 from django.dispatch import receiver
-
 from django.utils.translation import gettext_lazy as _
 from edx_name_affirmation.api import get_verified_name, should_use_verified_name_for_certs
 from model_utils import Choices
 from model_utils.models import TimeStampedModel
 from opaque_keys.edx.django.models import CourseKeyField
+from openedx_filters.learning.filters import CertificateCreationRequested
 from simple_history.models import HistoricalRecords
 
 from common.djangoapps.student import models_api as student_api
@@ -50,6 +50,14 @@ class CertificateSocialNetworks:
     twitter = 'Twitter'
 
 
+class GeneratedCertificateException(Exception):
+    pass
+
+
+class CertificateGenerationNotAllowed(GeneratedCertificateException):
+    pass
+
+
 class CertificateAllowlist(TimeStampedModel):
     """
     Tracks students who are on the certificate allowlist for a given course run.
@@ -463,6 +471,13 @@ def save(self, *args, **kwargs):  # pylint: disable=signature-differs
         The COURSE_CERT_AWARDED signal helps determine if a Program Certificate can be awarded to a learner in the
         Credentials IDA.
         """
+        try:
+            self.user, self.course_id, self.mode, self.status = CertificateCreationRequested.run_filter(
+                user=self.user, course_id=self.course_id, mode=self.mode, status=self.status,
+            )
+        except CertificateCreationRequested.PreventCertificateCreation as exc:
+            raise CertificateGenerationNotAllowed(str(exc)) from exc
+
         super().save(*args, **kwargs)
         COURSE_CERT_CHANGED.send_robust(
             sender=self.__class__,

lms/djangoapps/certificates/views/webview.py

@@ -18,6 +18,7 @@
 from eventtracking import tracker
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey
+from openedx_filters.learning.filters import CertificateRenderStarted
 from organizations import api as organizations_api
 from edx_django_utils.plugins import pluggable_override
 
@@ -643,6 +644,13 @@ def render_html_view(request, course_id, certificate=None):
         # Track certificate view events
         _track_certificate_events(request, course, user, user_certificate)
 
+        try:
+            context, custom_template = CertificateRenderStarted.run_filter(
+                context=context, custom_template=custom_template,
+            )
+        except CertificateRenderStarted.PreventCertificateRender:
+            return _render_invalid_certificate(request, course_id, platform_name, configuration)
+
         # Render the certificate
         return _render_valid_certificate(request, context, custom_template)
 

lms/djangoapps/courseware/views/views.py

@@ -38,6 +38,7 @@
 from markupsafe import escape
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey, UsageKey
+from openedx_filters.learning.filters import CourseAboutRenderStarted
 from pytz import UTC
 from requests.exceptions import ConnectionError, Timeout  # pylint: disable=redefined-builtin
 from rest_framework import status
@@ -1025,7 +1026,15 @@ def course_about(request, course_id):
             'allow_anonymous': allow_anonymous,
         }
 
-        return render_to_response('courseware/course_about.html', context)
+        course_about_template = 'courseware/course_about.html'
+        try:
+            context, course_about_template = CourseAboutRenderStarted.run_filter(
+                context=context, template_name=course_about_template,
+            )
+        except CourseAboutRenderStarted.PreventCourseAboutRender as exc:
+            raise CourseAccessRedirect(reverse(exc.redirect_to or 'dashboard')) from exc
+
+        return render_to_response(course_about_template, context)
 
 
 @ensure_csrf_cookie

openedx/core/djangoapps/course_groups/models.py

@@ -13,15 +13,23 @@
 from django.dispatch import receiver
 
 from opaque_keys.edx.django.models import CourseKeyField
+from openedx_filters.learning.filters import CohortChangeRequested
 
 from openedx.core.djangolib.model_mixins import DeletableByUserValue
 
 from openedx_events.learning.data import CohortData, CourseData, UserData, UserPersonalData  # lint-amnesty, pylint: disable=wrong-import-order
 from openedx_events.learning.signals import COHORT_MEMBERSHIP_CHANGED  # lint-amnesty, pylint: disable=wrong-import-order
-
 log = logging.getLogger(__name__)
 
 
+class CohortMembershipException(Exception):
+    pass
+
+
+class CohortChangeNotAllowed(CohortMembershipException):
+    pass
+
+
 class CourseUserGroup(models.Model):
     """
     This model represents groups of users in a course.  Groups may have different types,
@@ -122,6 +130,14 @@ def assign(cls, cohort, user):
                     cohort_name=cohort.name))
             else:
                 previous_cohort = membership.course_user_group
+
+                try:
+                    membership, cohort = CohortChangeRequested.run_filter(
+                        current_membership=membership, target_cohort=cohort,
+                    )
+                except CohortChangeRequested.PreventCohortChange as exc:
+                    raise CohortChangeNotAllowed(str(exc)) from exc
+
                 previous_cohort.users.remove(user)
 
                 membership.course_user_group = cohort

openedx/features/course_experience/views/course_home.py

@@ -11,6 +11,7 @@
 from django.views.decorators.cache import cache_control
 from django.views.decorators.csrf import ensure_csrf_cookie
 from opaque_keys.edx.keys import CourseKey
+from openedx_filters.learning.filters import CourseHomeRenderStarted
 from web_fragments.fragment import Fragment
 
 from lms.djangoapps.course_home_api.toggles import course_home_legacy_is_active
@@ -240,5 +241,14 @@ def render_to_fragment(self, request, course_id=None, **kwargs):  # lint-amnesty
             'has_discount': has_discount,
             'show_search': show_search,
         }
-        html = render_to_string('course_experience/course-home-fragment.html', context)
+
+        course_home_template = 'course_experience/course-home-fragment.html'
+        try:
+            context, course_home_template = CourseHomeRenderStarted.run_filter(
+                context=context, template_name=course_home_template,
+            )
+        except CourseHomeRenderStarted.PreventCourseHomeRender as exc:
+            raise CourseAccessRedirect(reverse(exc.redirect_to or 'dashboard')) from exc
+
+        html = render_to_string(course_home_template, context)
         return Fragment(html)

requirements/edx/base.txt

@@ -702,7 +702,7 @@ openedx-calc==2.0.1
     #   -r requirements/edx/base.in
 openedx-events==0.7.1
     # via -r requirements/edx/base.in
-openedx-filters==0.4.3
+git+https://github.com/eduNEXT/openedx-filters.git@MJG/2nd_filters_batch#egg=openedx_filters==0.5.0_gamma
     # via -r requirements/edx/base.in
 ora2==3.8.1
     # via -r requirements/edx/base.in

requirements/edx/development.txt

@@ -937,7 +937,7 @@ openedx-calc==2.0.1
     #   -r requirements/edx/testing.txt
 openedx-events==0.7.1
     # via -r requirements/edx/testing.txt
-openedx-filters==0.4.3
+git+https://github.com/eduNEXT/openedx-filters.git@MJG/2nd_filters_batch#egg=openedx_filters==0.5.0_gamma
     # via -r requirements/edx/testing.txt
 ora2==3.8.1
     # via -r requirements/edx/testing.txt

requirements/edx/testing.txt

@@ -887,7 +887,7 @@ openedx-calc==2.0.1
     #   -r requirements/edx/base.txt
 openedx-events==0.7.1
     # via -r requirements/edx/base.txt
-openedx-filters==0.4.3
+git+https://github.com/eduNEXT/openedx-filters.git@MJG/2nd_filters_batch#egg=openedx_filters==0.5.0_gamma
     # via -r requirements/edx/base.txt
 ora2==3.8.1
     # via -r requirements/edx/base.txt