Supprime les demandes de mise en avant lros de la suppression des con…

…tenus (#6626)

* Reproduit un bug liée aux demandes de mise en avant
* Corrige un bug lié aux demandes de mise en avant
* Supprime les demandes de mise en avant lors de la dépublication des contenus

zds/featured/apps.py

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+
+
+class FeaturedConfig(AppConfig):
+    name = "zds.featured"
+
+    def ready(self):
+        from . import receivers  # noqa

zds/featured/receivers.py

@@ -0,0 +1,22 @@
+from django.contrib.contenttypes.models import ContentType
+from django.db.models.signals import pre_delete
+from django.dispatch import receiver
+
+from zds.featured.models import FeaturedRequested
+from zds.forum.models import Topic
+from zds.tutorialv2.models.database import PublishableContent, PublishedContent
+
+
+@receiver(pre_delete, sender=PublishableContent)
+@receiver(pre_delete, sender=PublishedContent)
+@receiver(pre_delete, sender=Topic)
+def remove_requested_featured_at_content_object_deletion(sender, instance, **kwargs):
+    if isinstance(instance, PublishedContent):
+        sender = PublishableContent
+        instance = instance.content
+    try:
+        FeaturedRequested.objects.get(
+            content_type=ContentType.objects.get_for_model(sender), object_id=instance.pk
+        ).delete()
+    except FeaturedRequested.DoesNotExist:
+        pass

zds/featured/tests/tests.py

@@ -9,6 +9,7 @@
 from zds.featured.models import FeaturedResource, FeaturedMessage, FeaturedRequested
 from zds.forum.tests.factories import ForumCategoryFactory, ForumFactory, TopicFactory
 from zds.gallery.tests.factories import GalleryFactory, ImageFactory
+from zds.tutorialv2.publication_utils import unpublish_content
 from zds.tutorialv2.tests.factories import PublishedContentFactory
 from zds.tutorialv2.tests import TutorialTestMixin, override_for_contents
 
@@ -474,6 +475,35 @@ def test_filters(self):
 
         self.assertEqual(len(response.context["featured_request_list"]), 1)  # it is back!
 
+    def test_success_list_with_deleted_content(self):
+        # create a topic
+        author = ProfileFactory().user
+        category = ForumCategoryFactory(position=1)
+        forum = ForumFactory(category=category, position_in_category=1)
+        topic = TopicFactory(forum=forum, author=author)
+
+        # create a published content
+        tutorial = PublishedContentFactory(author_list=[author])
+        tutorial.save()
+
+        # request for the topic and the content to be featured
+        FeaturedRequested.objects.toogle_request(topic, author)
+        FeaturedRequested.objects.toogle_request(tutorial, author)
+        count = FeaturedRequested.objects.count()
+
+        # delete the topic and unpublish the content
+        topic.delete()
+        unpublish_content(tutorial)
+
+        # check that the FeaturedRequested objects have been deleted
+        self.assertEqual(FeaturedRequested.objects.count(), count - 2)
+
+        # check that the page listing the requests still works
+        staff = StaffProfileFactory()
+        self.client.force_login(staff.user)
+        response = self.client.get(reverse("featured:resource-requests"))
+        self.assertEqual(200, response.status_code)
+
 
 class FeaturedRequestUpdateViewTest(TestCase):
     def test_update(self):