provide notifications on commenting

files/models.py

@@ -1712,3 +1712,11 @@ def encoding_file_delete(sender, instance, **kwargs):
             instance.media.post_encode_actions(encoding=instance, action="delete")
     # delete local chunks, and remote chunks + media file. Only when the
     # last encoding of a media is complete
+
+
+@receiver(post_save, sender=Comment)
+def comment_save(sender, instance, created, **kwargs):
+    if created:
+        notify_users(
+            friendly_token=instance.media.friendly_token, action="comment_added"
+        )