def message_send(token, channel_id, message):
'''
adds message to a channels list of messages
expects parameter types:
token: str
channel_id: int
message: str
returns dictionary
'''
user_id = check_token(token)
if len(message) > 1000 or len(message) < 1:
raise InputError(
description=
'Your message should be less than 1000 characters and at least 1 character'
)
if not is_valid_channel(channel_id):
raise InputError
if not is_user_a_member(channel_id, user_id):
raise AccessError
message_id = get_num_messages()
glob_channels = get_channels()
channel = glob_channels[channel_id]
time_created = get_current_timestamp()
if message.startswith('/hangman'):
start_hangman(channel_id, user_id, time_created, message_id)
elif message.startswith('/guess'):
guess(message, channel_id, user_id, time_created, message_id)
else:
channel['messages'].insert(
0, create_message(user_id, message_id, time_created, message))
set_num_messages(message_id + 1)
return {'message_id': message_id}
def message_sendlater(token, channel_id, message, time_sent):
'''
sends a message at a given time_sent, where time_sent is a unix timestamp
greater than the current time.
'''
u_id = check_token(token)
if not is_valid_channel(channel_id):
raise InputError(description="No channel exists with that ID")
if not is_user_a_member(channel_id, u_id):
raise AccessError(description='You are not a member of this channel')
if len(message) > 1000 or len(message) < 1:
raise InputError(
description=
'Your message should be less than 1000 characters and at least 1 character'
)
curr_time = get_current_timestamp()
if curr_time >= time_sent:
raise InputError(description="You can not send a message back in time")
delay = time_sent - curr_time
message_id = get_num_messages()
set_num_messages(message_id + 1)
message_template = create_message(u_id, message_id, time_sent, message)
timer = Timer(delay, sendlater_end, args=[channel_id, message_template])
timer.start()
return {'message_id': message_id}
def get_message_id():
'''
uses get_num_messages, set_num_messages to get a new message id,
then increments the global message id count.
'''
message_id = get_num_messages()
set_num_messages(message_id + 1)
return message_id
def backup_data():
'''Pickles slackr data with a timestamp.'''
slackr_data = {
'timestamp': get_current_timestamp(),
'global_users': get_users(),
'global_channels': get_channels(),
'global_num_messages': get_num_messages()
}
with open('slackr_data.p', 'wb') as FILE: #pylint: disable=invalid-name
dump(slackr_data, FILE)