
This shouldn't really effect much but it is a needed change for the future this changes the Notification.object_id to be the ID of the Comment (the link table to the comment object) rather than TextComment (the comment object itself). This is needed as now comments can be other things, other than TextComment.
171 lines
5.0 KiB
Python
171 lines
5.0 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from mediagoblin.db.models import Notification, CommentSubscription, User, \
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Comment, GenericModelReference
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from mediagoblin.notifications.task import email_notification_task
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from mediagoblin.notifications.tools import generate_comment_message
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_log = logging.getLogger(__name__)
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def trigger_notification(comment, media_entry, request):
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'''
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Send out notifications about a new comment.
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'''
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# Verify we have the Comment object and not any other type e.g. TextComment
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if not isinstance(comment, Comment):
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raise ValueError("Must provide Comment to trigger_notification")
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# Get the associated object associated to the Comment wrapper.
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comment_object = comment.comment()
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subscriptions = CommentSubscription.query.filter_by(
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media_entry_id=media_entry.id).all()
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for subscription in subscriptions:
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# Check the user wants to be notified, if not, skip.
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if not subscription.notify:
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continue
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# If the subscriber is the current actor, don't bother.
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if comment_object.get_actor == subscription.user:
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continue
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cn = Notification(
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user_id=subscription.user_id,
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)
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cn.obj = comment
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cn.save()
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if subscription.send_email:
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message = generate_comment_message(
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subscription.user,
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comment,
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media_entry,
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request)
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from mediagoblin.notifications.task import email_notification_task
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email_notification_task.apply_async([cn.id, message])
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def mark_notification_seen(notification):
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if notification:
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notification.seen = True
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notification.save()
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def mark_comment_notification_seen(comment_id, user):
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comment = Comment.query.get(comment_id)
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comment_gmr = GenericModelReference.query.filter_by(
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obj_pk=comment.id,
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model_type=comment.__tablename__
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).first()
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notification = Notification.query.filter_by(
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user_id=user.id,
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object_id=comment_gmr.id
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).first()
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_log.debug(u'Marking {0} as seen.'.format(notification))
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mark_notification_seen(notification)
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def get_comment_subscription(user_id, media_entry_id):
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return CommentSubscription.query.filter_by(
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user_id=user_id,
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media_entry_id=media_entry_id).first()
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def add_comment_subscription(user, media_entry):
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'''
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Create a comment subscription for a User on a MediaEntry.
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Uses the User's wants_comment_notification to set email notifications for
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the subscription to enabled/disabled.
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'''
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cn = get_comment_subscription(user.id, media_entry.id)
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if not cn:
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cn = CommentSubscription(
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user_id=user.id,
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media_entry_id=media_entry.id)
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cn.notify = True
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if not user.wants_comment_notification:
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cn.send_email = False
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cn.save()
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def silence_comment_subscription(user, media_entry):
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'''
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Silence a subscription so that the user is never notified in any way about
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new comments on an entry
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'''
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cn = get_comment_subscription(user.id, media_entry.id)
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if cn:
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cn.notify = False
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cn.send_email = False
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cn.save()
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def remove_comment_subscription(user, media_entry):
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cn = get_comment_subscription(user.id, media_entry.id)
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if cn:
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cn.delete()
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NOTIFICATION_FETCH_LIMIT = 100
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def get_notifications(user_id, only_unseen=True):
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query = Notification.query.filter_by(user_id=user_id)
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wants_notifications = User.query.filter_by(id=user_id).first()\
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.wants_notifications
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# If the user does not want notifications, don't return any
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if not wants_notifications:
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return None
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if only_unseen:
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query = query.filter_by(seen=False)
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notifications = query.limit(
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NOTIFICATION_FETCH_LIMIT).all()
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return notifications
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def get_notification_count(user_id, only_unseen=True):
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query = Notification.query.filter_by(user_id=user_id)
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wants_notifications = User.query.filter_by(id=user_id).first()\
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.wants_notifications
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if only_unseen:
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query = query.filter_by(seen=False)
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# If the user doesn't want notifications, don't show any
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if not wants_notifications:
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count = None
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else:
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count = query.count()
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return count
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