feat: adds LmsUrlCreationStarted filter

cms/djangoapps/contentstore/asset_storage_handlers.py

@@ -25,6 +25,7 @@
 from common.djangoapps.util.json_request import JsonResponse
 from openedx.core.djangoapps.contentserver.caching import del_cached_content
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
+from openedx_filters.content_authoring.filters import LmsUrlCreationStarted
 from xmodule.contentstore.content import StaticContent  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.contentstore.django import contentstore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.exceptions import NotFoundError  # lint-amnesty, pylint: disable=wrong-import-order
@@ -714,7 +715,21 @@ def get_asset_json(display_name, content_type, date, location, thumbnail_locatio
     Helper method for formatting the asset information to send to client.
     '''
     asset_url = StaticContent.serialize_asset_key_with_slash(location)
-    external_url = urljoin(configuration_helpers.get_value('LMS_ROOT_URL', settings.LMS_ROOT_URL), asset_url)
+    lms_root = configuration_helpers.get_value('LMS_ROOT_URL', settings.LMS_ROOT_URL)
+
+    try:
+        ## .. filter_implemented_name: LmsUrlCreationStarted
+        ## .. filter_type: org.openedx.course_authoring.lms.url.creation.started.v1
+        lms_root = LmsUrlCreationStarted.run_filter(
+            context=lms_root,
+            org=location.org,
+            val_name='LMS_ROOT_URL',
+            default=settings.LMS_ROOT_URL
+        )
+    except LmsUrlCreationStarted.PreventLmsUrlCreationRender as exc:
+        raise LmsUrlCreationNotAllowed(str(exc)) from exc
+
+    external_url = urljoin(lms_root, asset_url)
     portable_url = StaticContent.get_static_path_from_location(location)
     usage_locations = [] if usage is None else usage
     return {
@@ -732,3 +747,11 @@ def get_asset_json(display_name, content_type, date, location, thumbnail_locatio
         'file_size': file_size,
         'usage_locations': usage_locations,
     }
+
+
+class LmsUrlCreationException(Exception):
+    pass
+
+
+class LmsUrlCreationNotAllowed(LmsUrlCreationException):
+    pass

common/djangoapps/util/course.py

@@ -10,6 +10,7 @@
 from opaque_keys.edx.keys import CourseKey, UsageKey
 
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
+from openedx_filters.content_authoring.filters import LmsUrlCreationStarted
 
 log = logging.getLogger(__name__)
 
@@ -54,14 +55,36 @@ def get_link_for_about_page(course):
     elif settings.FEATURES.get('ENABLE_MKTG_SITE') and getattr(course, 'marketing_url', None):
         course_about_url = course.marketing_url
     else:
+        about_base = configuration_helpers.get_value('LMS_ROOT_URL', settings.LMS_ROOT_URL)
+
+        try:
+            ## .. filter_implemented_name: LmsUrlCreationStarted
+            ## .. filter_type: org.openedx.course_authoring.lms.url.creation.started.v1
+            about_base = LmsUrlCreationStarted.run_filter(
+                context=about_base,
+                org=course.id.org,
+                val_name='LMS_ROOT_URL',
+                default=settings.LMS_ROOT_URL
+            )
+        except LmsUrlCreationStarted.PreventLmsUrlCreationRender as exc:
+            raise LmsUrlCreationNotAllowed(str(exc)) from exc
+
         course_about_url = '{about_base_url}/courses/{course_key}/about'.format(
-            about_base_url=configuration_helpers.get_value('LMS_ROOT_URL', settings.LMS_ROOT_URL),
+            about_base_url=about_base,
             course_key=str(course.id),
         )
 
     return course_about_url
 
 
+class LmsUrlCreationException(Exception):
+    pass
+
+
+class LmsUrlCreationNotAllowed(LmsUrlCreationException):
+    pass
+
+
 def has_certificates_enabled(course):
     """
     Arguments:

common/djangoapps/util/tests/test_filters.py

@@ -0,0 +1,121 @@
+"""
+Test that various filters are fired for models/views in the student app.
+"""
+from django.http import HttpResponse
+from django.test import override_settings
+from common.djangoapps.util import course
+from openedx_filters import PipelineStep
+from openedx_filters.content_authoring.filters import LmsUrlCreationStarted
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+from xmodule.modulestore.tests.factories import CourseFactory
+
+from common.djangoapps.util.course import LmsUrlCreationNotAllowed
+from openedx.core.djangolib.testing.utils import skip_unless_lms
+
+
+class TestLmsUrlCreationPipelineStep(PipelineStep):
+    """
+    Utility class used when getting steps for pipeline.
+    """
+
+    def run_filter(self, context, org, val_name, default):  # pylint: disable=arguments-differ
+        """Pipeline step that modifies lms url creation."""
+        context = "https://lms-url-creation"
+        return {
+            "context": context
+        }
+
+
+class TestLmsUrlCreationFilterPrevent(PipelineStep):
+    """
+    Utility class used when getting steps for pipeline.
+    """
+
+    def run_filter(self, context, org, val_name, default):  # pylint: disable=arguments-differ
+        """Pipeline step that changes dashboard view response before the dashboard is rendered."""
+        response = HttpResponse("This is a custom response.")
+        raise LmsUrlCreationStarted.PreventLmsUrlCreationRender(
+            "Can't render lms url creation.",
+            response=response,
+        )
+
+
+@skip_unless_lms
+class LmsUrlCreationStartedFiltersTest(ModuleStoreTestCase):
+    """
+    Tests for the Open edX Filters associated with the lms url creation process.
+    This class guarantees that the following filters are triggered during the microsite render:
+    - LmsUrlCreationStarted
+    """
+
+    def setUp(self):  # pylint: disable=arguments-differ
+        super().setUp()
+        self.course = CourseFactory.create()
+        self.org = "test"
+        self.val_name = 'LMS_ROOT_URL'
+        self.default = "https://lms-base"
+
+    @override_settings(
+        OPEN_EDX_FILTERS_CONFIG={
+            "org.openedx.course_authoring.lms.url.creation.started.v1": {
+                "pipeline": [
+                    "common.djangoapps.util.tests.test_filters.TestLmsUrlCreationPipelineStep",
+                ],
+                "fail_silently": False,
+            },
+        },
+    )
+    def test_lms_url_creation_filter_executed(self):
+        """
+        Test whether the lms url creation filter is triggered before the user's
+        render site process.
+        Expected result:
+            - LmsUrlCreationStarted is triggered and executes TestLmsUrlCreationPipelineStep.
+            - The arguments that the receiver gets are the arguments used by the filter.
+        """
+        course_about_url = course.get_link_for_about_page(self.course)
+
+        expected_course_about = '{about_base_url}/courses/{course_key}/about'.format(
+            about_base_url='https://lms-url-creation',
+            course_key=str(self.course.id),
+        )
+
+        self.assertEqual(expected_course_about, course_about_url)
+
+    @override_settings(
+        OPEN_EDX_FILTERS_CONFIG={
+            "org.openedx.course_authoring.lms.url.creation.started.v1": {
+                "pipeline": [
+                    "common.djangoapps.util.tests.test_filters.TestLmsUrlCreationFilterPrevent",
+                ],
+                "fail_silently": False,
+            },
+        },
+    )
+    def test_lms_url_creation_filter_prevent(self):
+        """
+        Test prevent the lms url creation filter through a pipeline step.
+        Expected result:
+            - TenantAwareLinkRenderStarted is triggered and executes TestLmsUrlCreationFilterPrevent.
+            - The user can't get lms url creation.
+        """
+        with self.assertRaises(LmsUrlCreationNotAllowed):
+            course.get_link_for_about_page(self.course)
+
+    @override_settings(OPEN_EDX_FILTERS_CONFIG={}, LMS_ROOT_URL="https://lms-base")
+    def test_enrollment_without_filter_configuration(self):
+        """
+        Test usual get link for about page process, without filter's intervention.
+        Expected result:
+            - Returns the course sharing url, this can be one of course's social sharing url, marketing url, or
+                lms course about url.
+            - The get process ends successfully.
+        """
+        course_about_url = course.get_link_for_about_page(self.course)
+
+        expected_course_about = '{about_base_url}/courses/{course_key}/about'.format(
+            about_base_url='https://lms-base',
+            course_key=str(self.course.id),
+        )
+
+        self.assertEqual(expected_course_about, course_about_url)

requirements/edx/base.txt

@@ -818,7 +818,7 @@ openedx-events==9.11.0
     #   edx-event-bus-redis
     #   event-tracking
     #   ora2
-openedx-filters==1.9.0
+git+https://github.com/eduNEXT/openedx-filters.git@jipm/add_tenant_aware_filter
     # via
     #   -r requirements/edx/kernel.in
     #   lti-consumer-xblock

requirements/edx/development.txt

@@ -1366,7 +1366,7 @@ openedx-events==9.11.0
     #   edx-event-bus-redis
     #   event-tracking
     #   ora2
-openedx-filters==1.9.0
+git+https://github.com/eduNEXT/openedx-filters.git@jipm/add_tenant_aware_filter
     # via
     #   -r requirements/edx/doc.txt
     #   -r requirements/edx/testing.txt

requirements/edx/doc.txt

@@ -977,7 +977,7 @@ openedx-events==9.11.0
     #   edx-event-bus-redis
     #   event-tracking
     #   ora2
-openedx-filters==1.9.0
+git+https://github.com/eduNEXT/openedx-filters.git@jipm/add_tenant_aware_filter
     # via
     #   -r requirements/edx/base.txt
     #   lti-consumer-xblock

requirements/edx/testing.txt

@@ -1028,7 +1028,7 @@ openedx-events==9.11.0
     #   edx-event-bus-redis
     #   event-tracking
     #   ora2
-openedx-filters==1.9.0
+git+https://github.com/eduNEXT/openedx-filters.git@jipm/add_tenant_aware_filter
     # via
     #   -r requirements/edx/base.txt
     #   lti-consumer-xblock