def start(bot, update, log_update=False):
"""
Start a new ranking for the chat from which the message originates.
Args:
bot (Telegram Bot): Bot that received the message.
update (Telegram Update): Full description of the Telegram message.
Returns:
Boolean: Was the Ranking properly started
"""
if log_update:
update_log(update)
if PRINT_UPDATES:
print_upd(update)
if update.message.chat.type == "private":
logging.log(logging.INFO, "{} tried to create ranking for private chat".format(update.effective_user.username))
msg = bot.send_message(chat_id=update.message.chat_id, text=("Unfortunately, private-chats cannot have rankings.\n\n" +
"To get started with a ranking:\n" +
"* Create a new channel\n" +
"* Invite @table_soccer_ranker_bot to the channel\n" +
"* Send '/start' message to the channel"))
if log_update:
bot_log(msg)
return False
channel_admins = update.message.chat.get_administrators()
if not update.effective_user.id in [u.user.id for u in channel_admins]:
logging.log(logging.INFO, "{} tried to create ranking in a chat, where he's not an admin. Chat: {}".format(update.effective_user.username, update.message.chat.title))
msg = bot.send_message(chat_id=update.message.chat_id, text="Uh oh, you need to be an channel administrator to start a ranking.")
if log_update:
bot_log(msg)
return False
# Check if ranking exists
chat_id = update.message.chat_id
if not chat_id in RANKINGS:
try:
ranking = Ranking.load_ranking(chat_id)
except FileNotFoundError:
try:
logging.log(logging.INFO, "Creating a new Ranking for chat {}.".format(update.message.chat.name))
except AttributeError:
# Chat had no 'name'
logging.log(logging.INFO, "Creating a new Ranking for chat-id {}.".format(chat_id))
ranking = Ranking(chat_id)
RANKINGS[chat_id] = ranking
for admin in channel_admins:
if not admin.user.is_bot:
ranking.add_user(admin.user.id, admin.user.username)
starter_user = update.effective_user
if not starter_user.is_bot:
ranking.add_user(starter_user.id, starter_user.username)
# TODO Ping administrator to add unknown users
msg = bot.send_message(chat_id=update.message.chat_id, text="Succesfully created a ranking for this chat. Happy gaming!")
if log_update:
bot_log(msg)
return True
def __lazy_load_ranking(chat_id):
chat_id = int(chat_id)
R = Ranking.load_ranking(chat_id)
RANKINGS[chat_id] = R
return
