157 lines
4.8 KiB
Python
157 lines
4.8 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# Telegram bot to play UNO in group chats
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# Copyright (c) 2016 Jannes Höke <uno@jhoeke.de>
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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
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# published by the Free Software Foundation, either version 3 of the
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# License, or (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 game import Game
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from player import Player
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from errors import (AlreadyJoinedError, LobbyClosedError, NoGameInChatError,
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NotEnoughPlayersError)
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class GameManager(object):
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""" Manages all running games by using a confusing amount of dicts """
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def __init__(self):
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self.chatid_games = dict()
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self.userid_players = dict()
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self.userid_current = dict()
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self.logger = logging.getLogger(__name__)
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def new_game(self, chat):
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"""
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Create a new game in this chat
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"""
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chat_id = chat.id
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self.logger.debug("Creating new game in chat " + str(chat_id))
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game = Game(chat)
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if chat_id not in self.chatid_games:
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self.chatid_games[chat_id] = list()
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self.chatid_games[chat_id].append(game)
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return game
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def join_game(self, user, chat):
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""" Create a player from the Telegram user and add it to the game """
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self.logger.info("Joining game with id " + str(chat.id))
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try:
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game = self.chatid_games[chat.id][-1]
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except (KeyError, IndexError):
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raise NoGameInChatError()
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if not game.open:
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raise LobbyClosedError()
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if user.id not in self.userid_players:
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self.userid_players[user.id] = list()
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players = self.userid_players[user.id]
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# Don not re-add a player and remove the player from previous games in
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# this chat, if he is in one of them
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for player in players:
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if player in game.players:
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raise AlreadyJoinedError()
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else:
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try:
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self.leave_game(user, chat)
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except NoGameInChatError:
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pass
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except NotEnoughPlayersError:
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self.end_game(chat, user)
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player = Player(game, user)
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players.append(player)
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self.userid_current[user.id] = player
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def leave_game(self, user, chat):
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""" Remove a player from its current game """
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player = self.player_for_user_in_chat(user, chat)
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players = self.userid_players.get(user.id, list())
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if not player:
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raise NoGameInChatError
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game = player.game
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if len(game.players) < 3:
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raise NotEnoughPlayersError()
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if player is game.current_player:
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game.turn()
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player.leave()
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players.remove(player)
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# If this is the selected game, switch to another
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if self.userid_current.get(user.id, None) is player:
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if players:
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self.userid_current[user.id] = players[0]
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else:
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del self.userid_current[user.id]
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del self.userid_players[user.id]
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def end_game(self, chat, user):
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"""
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End a game
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"""
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self.logger.info("Game in chat " + str(chat.id) + " ended")
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# Find the correct game instance to end
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player = self.player_for_user_in_chat(user, chat)
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if not player:
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raise NoGameInChatError
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game = player.game
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# Clear game
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for player_in_game in game.players:
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this_users_players = \
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self.userid_players.get(player_in_game.user.id, list())
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try:
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this_users_players.remove(player_in_game)
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except ValueError:
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pass
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if this_users_players:
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self.userid_current[player.user.id] = this_users_players[0]
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else:
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del self.userid_players[player_in_game.user.id]
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del self.userid_current[player_in_game.user.id]
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self.chatid_games[chat.id].remove(game)
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if not self.chatid_games[chat.id]:
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del self.chatid_games[chat.id]
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def player_for_user_in_chat(self, user, chat):
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players = self.userid_players.get(user.id, list())
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for player in players:
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if player.game.chat.id == chat.id:
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return player
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else:
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return None
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