New notifications

- Added request.notifications
- Email configuration fixes
  - Set config_spec default SMTP port to `0` and switch to SSL/non-SSL
    default if `port == 0`
  - Added email_smtp_use_ssl configuration setting
- Added migrations for notification tables
- Added __repr__ to MediaComment(Mixin)
- Added MediaComment.get_entry => MediaEntry
- Added CommentSubscription, CommentNotification, Notification,
  ProcessingNotification tables
- Added notifications.task to celery init
- Fixed a bug in the video transcoder where pygst would hijack the
  --help argument.
- Added notifications
  - views
    - silence
    - subscribe
  - routes
  - utility methods
  - celery task
- Added half-hearted .active comment CSS style
- Added quick JS to show header_dropdown
- Added fragment template to show notifications in header_dropdown
- Added fragment template to show subscribe/unsubscribe buttons on
  media/comment pages
- Updated celery setup tests with notifications.task
- Tried to fix test_misc tests that I broke
- Added notification tests
- Added and extended tests.tools fixtures
- Integrated new notifications into media_home, media_post_comment views
- Bumped SQLAlchemy dependency to >= 0.8.0 since we need polymorphic for
  the notifications to work

mediagoblin/user_pages/views.py

@@ -25,8 +25,9 @@ from mediagoblin.tools.response import render_to_response, render_404, \
 from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.pagination import Pagination
 from mediagoblin.user_pages import forms as user_forms
-from mediagoblin.user_pages.lib import (send_comment_email,
-    add_media_to_collection)
+from mediagoblin.user_pages.lib import add_media_to_collection
+from mediagoblin.notifications import trigger_notification, \
+    add_comment_subscription, mark_comment_notification_seen
 
 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
     get_media_entry_by_id,
@@ -34,6 +35,7 @@ from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
     get_user_collection, get_user_collection_item, active_user_from_url)
 
 from werkzeug.contrib.atom import AtomFeed
+from werkzeug.exceptions import MethodNotAllowed
 
 
 _log = logging.getLogger(__name__)
@@ -110,6 +112,7 @@ def user_gallery(request, page, url_user=None):
          'media_entries': media_entries,
          'pagination': pagination})
 
+
 MEDIA_COMMENTS_PER_PAGE = 50
 
 
@@ -121,6 +124,9 @@ def media_home(request, media, page, **kwargs):
     """
     comment_id = request.matchdict.get('comment', None)
     if comment_id:
+        if request.user:
+            mark_comment_notification_seen(comment_id, request.user)
+
         pagination = Pagination(
             page, media.get_comments(
                 mg_globals.app_config['comments_ascending']),
@@ -154,7 +160,8 @@ def media_post_comment(request, media):
     """
     recieves POST from a MediaEntry() comment form, saves the comment.
     """
-    assert request.method == 'POST'
+    if not request.method == 'POST':
+        raise MethodNotAllowed()
 
     comment = request.db.MediaComment()
     comment.media_entry = media.id
@@ -179,11 +186,9 @@ def media_post_comment(request, media):
             request, messages.SUCCESS,
             _('Your comment has been posted!'))
 
-        media_uploader = media.get_uploader
-        #don't send email if you comment on your own post
-        if (comment.author != media_uploader and
-            media_uploader.wants_comment_notification):
-            send_comment_email(media_uploader, comment, media, request)
+        trigger_notification(comment, media, request)
+
+        add_comment_subscription(request.user, media)
 
     return redirect_obj(request, media)