Comment changes for federation

This adds a new Comment link table that is used to link between some
object and then the comment object, which can be more or less any
object in Mediagoblin. The MediaComment has been renamed to
TextComment as that more aptly describes what it is. There is
migrations for these changes.

There is also the conslidation of the Report tables into a single
Report table, the same with the Notification objects. This is because
both of them split out MediaEntry and Comment versions into their own
polymorphic versions from a base, this is no longer a meaningful
distinction as comments can be anything.

mediagoblin/notifications/__init__.py

@@ -16,8 +16,8 @@
 
 import logging
 
-from mediagoblin.db.models import Notification, \
-        CommentNotification, CommentSubscription, User
+from mediagoblin.db.models import Notification, CommentSubscription, User, \
+                                  Comment, GenericModelReference
 from mediagoblin.notifications.task import email_notification_task
 from mediagoblin.notifications.tools import generate_comment_message
 
@@ -37,10 +37,10 @@ def trigger_notification(comment, media_entry, request):
         if comment.get_actor == subscription.user:
             continue
 
-        cn = CommentNotification(
+        cn = Notification(
             user_id=subscription.user_id,
-            subject_id=comment.id)
-
+        )
+        cn.obj = comment
         cn.save()
 
         if subscription.send_email:
@@ -61,9 +61,15 @@ def mark_notification_seen(notification):
 
 
 def mark_comment_notification_seen(comment_id, user):
-    notification = CommentNotification.query.filter_by(
+    comment = Comment.query.get(comment_id).comment()
+    comment_gmr = GenericModelReference.query.filter_by(
+        obj_pk=comment.id,
+        model_type=comment.__tablename__
+    ).first()
+    notification = Notification.query.filter_by(
         user_id=user.id,
-        subject_id=comment_id).first()
+        object_id=comment_gmr.id
+    ).first()
 
     _log.debug(u'Marking {0} as seen.'.format(notification))
 

mediagoblin/notifications/task.py

@@ -20,7 +20,7 @@ from celery import registry
 from celery.task import Task
 
 from mediagoblin.tools.mail import send_email
-from mediagoblin.db.models import CommentNotification
+from mediagoblin.db.models import Notification
 
 
 _log = logging.getLogger(__name__)
@@ -34,7 +34,7 @@ class EmailNotificationTask(Task):
     the web server.
     '''
     def run(self, notification_id, message):
-        cn = CommentNotification.query.filter_by(id=notification_id).first()
+        cn = Notification.query.filter_by(id=notification_id).first()
         _log.info(u'Sending notification email about {0}'.format(cn))
 
         return send_email(

mediagoblin/notifications/views.py

@@ -57,7 +57,10 @@ def mark_all_comment_notifications_seen(request):
     Marks all comment notifications seen.
     """
     for comment in get_notifications(request.user.id):
-        mark_comment_notification_seen(comment.subject_id, request.user)
+        mark_comment_notification_seen(
+            comment.obj().get_comment_link().id,
+            request.user
+        )
 
     if request.GET.get('next'):
         return redirect(request, location=request.GET.get('next'))