Only create no-responses if user did something that warrants it.

drakul/raids/signals.py

@@ -28,8 +28,12 @@ def create_raid_no_responses(instance: Raid, **kwargs):
 
 
 @receiver(post_save, sender=User)
-def create_user_no_responses(instance: User, **kwargs):
+def create_user_no_responses(instance: User, created: bool, **kwargs):
-    # Delete all pre-existing no-responses for this user, in case date_joined or main as changed
+    if (instance.original_main_id, instance.original_date_joined) == (instance.main_id, instance.date_joined) \
+            and not created:
+        return
+
+    # Delete all pre-existing no-responses for this user, in case date_joined or main was changed
     RaidResponse.objects.filter(character__user=instance, status=RaidResponse.NO_RESPONSE).delete()
     # Then create them (again)
     RaidResponse.objects.bulk_create(

drakul/users/models.py

@@ -48,6 +48,14 @@ class User(AbstractUser):
     class Meta:
         ordering = ["rank", "username"]
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._set_originals()
+
+    def _set_originals(self):
+        self.original_main_id = self.main_id
+        self.original_date_joined = self.date_joined
+
     def clean(self):
         self.username = self.normalize_username(self.username)
         if not hasattr(self, "rank"):
@@ -75,6 +83,8 @@ class User(AbstractUser):
         user = super().save(*args, **kwargs)
         self.main.user = self
         self.main.save()
+
+        self._set_originals()
         return user