def subscribe(self, *args):
""" call this to subscribe specific connection to new channels """
username = self.request.json_body.get('username')
subscribe_to_channels = self.request.json_body.get('channels')
if not subscribe_to_channels:
self.request.response.status = 400
return {'error': "No channels specified"}
user = USERS.get(username)
if not user:
self.request.response.status = 404
return {'error': "User doesn't exist"}
with lock:
user.last_active = datetime.utcnow()
for channel_name in subscribe_to_channels:
if channel_name not in user.allowed_channels:
user.allowed_channels.append(channel_name)
# create channels that didnt exist
channel = CHANNELS.get(channel_name)
if not channel:
channel = Channel(channel_name)
CHANNELS[channel_name] = channel
else:
channel.last_active = datetime.utcnow()
return subscribe_to_channels
def connect(self):
""" set user along with connection info """
username = self.request.json_body.get('username')
def_status = self.request.registry.settings['status_codes']['online']
user_status = int(self.request.json_body.get('status', def_status))
conn_id = self.request.json_body.get('conn_id')
subscribe_to_channels = self.request.json_body.get('channels')
if username is None:
self.request.response.status = 400
return {'error': "No username specified"}
if not subscribe_to_channels:
self.request.response.status = 400
return {'error': "No channels specified"}
# everything is ok so lets add new user and channels
with lock:
if not username in USERS:
user = User(username, def_status)
USERS[username] = user
else:
user = USERS[username]
user.last_active = datetime.utcnow()
for channel_name in subscribe_to_channels:
channel = CHANNELS.get(channel_name)
if not channel:
channel = Channel(channel_name)
CHANNELS[channel_name] = channel
else:
channel.last_active = datetime.utcnow()
user.allowed_channels.extend(subscribe_to_channels)
log.info('connecting %s' % username)
return {'status': user.status}