def queue_bookmark_notifications(user_id, item_id):
"""
Emits a notification via SocketIO to the friends of the user
who have bookmarked the same item.
user_id: the primary key of the user (integer)
item_id: the primary key of the item (integer)
"""
following = list(
Forward.objects.filter(source_id=user_id).values_list('destination_id',
flat=True))
followers = list(
Backward.objects.filter(destination_id=user_id).values_list(
'source_id', flat=True))
friends = list(set(following) & set(followers))
to_notify = Bookmark.objects.filter(user__in=friends, item=item_id) \
.values_list('user_id', flat=True)
for user in to_notify:
if not cacheAPI._get_new_bookmarks_count(user):
cacheAPI._reset_new_bookmarks_count(user)
cacheAPI._increment_new_bookmarks_count(user)
announce_client.register_group(user, 'bookmarks')
announce_client.broadcast_group(
group_name='bookmarks',
channel='bookmark',
data={'new': 1} # Currently un-used
)
for user in to_notify:
announce_client.unregister_group(user, 'bookmarks')
def queue_bookmark_notifications(user_id, item_id):
"""
Emits a notification via SocketIO to the friends of the user
who have bookmarked the same item.
user_id: the primary key of the user (integer)
item_id: the primary key of the item (integer)
"""
following = list(Forward.objects.filter(source_id=user_id)
.values_list('destination_id', flat=True))
followers =list(Backward.objects.filter(destination_id=user_id)
.values_list('source_id', flat=True))
friends = list(set(following) & set(followers))
to_notify = Bookmark.objects.filter(user__in=friends, item=item_id) \
.values_list('user_id', flat=True)
for user in to_notify:
if not cacheAPI._get_new_bookmarks_count(user):
cacheAPI._reset_new_bookmarks_count(user)
cacheAPI._increment_new_bookmarks_count(user)
announce_client.register_group(user, 'bookmarks')
announce_client.broadcast_group(
group_name='bookmarks',
channel='bookmark',
data = { 'new': 1 } # Currently un-used
)
for user in to_notify:
announce_client.unregister_group(user, 'bookmarks')
def reset_new_bookmarks_count(user_id):
"""
Resets the number of new bookmarks for a user to zero.
user_id: primary key of the user (integer)
"""
cacheAPI._reset_new_bookmarks_count(user_id)
def reset_new_bookmarks_count(user_id):
"""
Resets the number of new bookmarks for a user to zero.
user_id: primary key of the user (integer)
"""
cacheAPI._reset_new_bookmarks_count(user_id)
