Move notifications to signals

bookwyrm/models/favorite.py

@@ -1,5 +1,4 @@
 """ like/fav/star a status """
-from django.apps import apps
 from django.db import models
 
 from bookwyrm import activitypub
@@ -31,34 +30,6 @@ class Favorite(ActivityMixin, BookWyrmModel):
         self.user.update_active_date()
         super().save(*args, **kwargs)
 
-        if self.status.user.local and self.status.user != self.user:
-            notification_model = apps.get_model(
-                "bookwyrm.Notification", require_ready=True
-            )
-            notification_model.objects.create(
-                user=self.status.user,
-                notification_type="FAVORITE",
-                related_user=self.user,
-                related_status=self.status,
-            )
-
-    def delete(self, *args, **kwargs):
-        """delete and delete notifications"""
-        # check for notification
-        if self.status.user.local:
-            notification_model = apps.get_model(
-                "bookwyrm.Notification", require_ready=True
-            )
-            notification = notification_model.objects.filter(
-                user=self.status.user,
-                related_user=self.user,
-                related_status=self.status,
-                notification_type="FAVORITE",
-            ).first()
-            if notification:
-                notification.delete()
-        super().delete(*args, **kwargs)
-
     class Meta:
         """can't fav things twice"""