profiles: del profile picture on account deletion

profiles/models.py

@@ -1,7 +1,7 @@
 from django.db import models
 
 from django.contrib.auth.models import User
-from django.db.models.signals import post_save
+from django.db.models.signals import post_save, pre_delete
 from django.dispatch import receiver
 from django.conf import settings
 from django.db.models import IntegerField
@@ -23,6 +23,11 @@ class ProfileModel(models.Model):
                     return game.game_id
         return None
 
+@receiver(pre_delete, sender=ProfileModel)
+def delete_profile_picture(sender, instance, **kwargs):
+    if instance.avatar.name != './profiles/static/avatars/default.avif':
+        instance.avatar.storage.delete(instance.avatar.name)
+
 @receiver(post_save, sender=User)
 def on_user_created(sender, instance, created, **kwargs):
     if created: