These are changes for issue #405, add email comment notification.

mediagoblin/user_pages/lib.py

@@ -0,0 +1,54 @@
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from mediagoblin.tools.mail import send_email
+from mediagoblin.tools.template import render_template
+from mediagoblin import mg_globals
+
+def send_comment_email(user, comment, media, request):
+    """
+    Sends comment email to user when a comment is made on their media.
+
+    Args:
+    - user: the user object to whom the email is sent
+    - comment: the comment object referencing user's media
+    - media: the media object the comment is about
+    - request: the request
+    """
+
+    comment_url = u'http://{host}{comment_uri}'.format( 
+            host=request.host,
+            comment_uri=request.urlgen(
+                'mediagoblin.user_pages.media_home.view_comment',
+                comment = comment._id,
+                user = media.get_uploader.username,
+                media = media.slug_or_id) + '#comment')
+
+    comment_author = comment.get_author['username']
+
+    rendered_email = render_template(
+        request, 'mediagoblin/user_pages/comment_email.txt',
+        {'username':user.username,
+         'comment_author':comment_author,
+         'comment_content':comment.content,
+         'comment_url':comment_url})
+
+    send_email(
+        mg_globals.app_config['email_sender_address'],
+        [user.email],
+        'GNU MediaGoblin - {comment_author} commented on your post'.format(
+            comment_author=comment_author),
+        rendered_email)

mediagoblin/user_pages/views.py

@@ -23,6 +23,7 @@ from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.pagination import Pagination
 from mediagoblin.tools.files import delete_media_files
 from mediagoblin.user_pages import forms as user_forms
+from mediagoblin.user_pages.lib import send_comment_email
 
 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
     require_active_login, user_may_delete_media)
@@ -158,6 +159,12 @@ 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)
+
     return exc.HTTPFound(
         location=media.url_for_self(request.urlgen))