Corrige un bug lié aux demandes de mise en avant

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 +1,18 @@
+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
+
+
+@receiver(pre_delete, sender=PublishableContent)
+@receiver(pre_delete, sender=Topic)
+def remove_requested_featured_at_content_object_deletion(sender, instance, **kwargs):
+    try:
+        FeaturedRequested.objects.get(
+            content_type=ContentType.objects.get_for_model(sender), object_id=instance.pk
+        ).delete()
+    except FeaturedRequested.DoesNotExist:
+        pass