Only local accounts can receive Notifications. Closes issue #43.

As part of this, remove the previously undiscovered ability to send Accepts for remote users!

kepi/trilby_api/migrations/0025_auto_20201011_1439.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.9 on 2020-10-11 14:39
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('trilby_api', '0024_localperson_featured'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='notification',
+            name='for_account',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, related_name='notifications_for', to='trilby_api.LocalPerson'),
+        ),
+    ]

kepi/trilby_api/models/notification.py

@@ -40,7 +40,7 @@ class Notification(models.Model):
             )
 
     for_account = models.ForeignKey(
-            'Person',
+            'LocalPerson',
             on_delete = models.DO_NOTHING,
             related_name = 'notifications_for',
             )

kepi/trilby_api/receivers.py

@@ -22,6 +22,10 @@ def on_follow(sender, **kwargs):
 
     follow = sender # rename to prevent confusion below
 
+    if not follow.following.is_local:
+        # we're only concerned with local accounts
+        return
+
     notification = kepi_models.Notification(
             notification_type = kepi_models.Notification.FOLLOW,
             for_account = follow.following,
@@ -62,6 +66,10 @@ def on_like(sender, **kwargs):
 
     like = sender # rename to prevent confusion below
 
+    if not like.liked.account.is_local:
+        # we're only concerned with local accounts
+        return
+
     notification = kepi_models.Notification(
             notification_type = kepi_models.Notification.FAVOURITE,
             for_account = like.liked.account,