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server.py
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server.py
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from flask import Flask
import socketio
import eventlet
import json
from pymongo import MongoClient
from bson import ObjectId
from utils import response_json
from datetime import datetime
with open('server_config.json') as json_data_file:
data_server = json.load(json_data_file)
SERVER = data_server.get('server')
APP = Flask(__name__)
SIO = socketio.Server()
MONGO_CLIENT = MongoClient('localhost', 27017)
GAME_DB = MONGO_CLIENT.games
@SIO.on('connect')
def on_connect(sid, data):
print('user connected ' + sid)
def convertIdToStr(document):
document['_id'] = str(document['_id'])
return document
def send_chellange_list(sid):
chellanges = GAME_DB.chellange.find()
chellanges = list(map(convertIdToStr, chellanges))
SIO.emit('chellangeList', chellanges, room=sid)
@SIO.on('login')
def on_login(sid, name):
players_count_with_name = GAME_DB.players.find({'name': name}).count()
if players_count_with_name > 0:
SIO.emit('confirm_user_name', False, room=sid)
else:
SIO.emit('confirm_user_name', True, room=sid)
GAME_DB.players.insert_one({'name': name, 'sid': sid})
@SIO.on('show_chellange_list')
def on_show_chellange_list(sid):
send_chellange_list(sid)
@SIO.on('createChellange')
def on_createChellange(sid, data):
data['sid'] = sid
GAME_DB.chellange.insert_one(data)
def createGame(chellange, name):
game = {
'wPlayer': name if chellange['color'] == 'black' else chellange['name'],
'bPlayer': name if chellange['color'] == 'white' else chellange['name'],
'time': chellange['time'],
'inc': chellange['inc'],
'wTime': chellange['time'],
'bTime': chellange['time'],
'moves': [],
'start_time': str(datetime.utcnow()),
'last_move_time': str(datetime.utcnow())
}
playerSids = list(GAME_DB.players.find({"$or":[{"name":game['wPlayer']}, {"name":game['bPlayer']}]}))
game['wSid'], game['bSid'] = (
(playerSids[0]['sid'], playerSids[1]['sid'])
if playerSids[0]['name'] == game['wPlayer'] and playerSids[1]['name'] == game['bPlayer']
else (playerSids[1]['sid'], playerSids[0]['sid']))
gid = GAME_DB.games.insert_one(game).inserted_id
game['_id'] = str(game['_id'])
return game
@SIO.on('selectChellange')
def on_selectGame(sid, data):
chellangeId = ObjectId(data['chellangeId'])
chellange = list(GAME_DB.chellange.find({'_id': chellangeId}))
if len(chellange) > 0:
GAME_DB.chellange.delete_one({'_id': chellangeId})
game = createGame(chellange[0], data['name'])
SIO.emit('playGame', game, room=game['wSid'])
SIO.emit('playGame', game, room=game['bSid'])
else:
print('game is not aveliable')
def updatePlayersTime(game_id, turn):
cur = datetime.utcnow()
game = GAME_DB.games.find_one({'_id': game_id})
last_move_time = datetime.strptime(game['last_move_time'], '%Y-%m-%d %H:%M:%S.%f')
difference = (cur - last_move_time).total_seconds()
if turn == 'w':
time = round((game['wTime'] - difference + game['inc']))
GAME_DB.games.update_one({'_id': game_id}, {"$set": { "wTime": time }})
wT, bT = time, game['bTime']
else:
time = round((game['bTime'] - difference + game['inc']))
GAME_DB.games.update_one({'_id': game_id}, {"$set": { "bTime": time }})
wT, bT = game['wTime'], time
GAME_DB.games.update_one({'_id': game_id}, {"$set": { "last_move_time": str(cur) }})
return wT, bT
def update_pgn(game_id, move):
data = GAME_DB.games.find_one({'_id': game_id}, {'moves': 1})
data['moves'].append(move)
GAME_DB.games.update_one({'_id': game_id}, {"$set": { "moves": data['moves'] }})
return True
@SIO.on('move')
def on_move(sid, data):
game_id = ObjectId(data.get("gameId"))
move = data.get("move")
game = GAME_DB.games.find_one({'_id': game_id})
if not game:
print("Game not found.")
return response_json(404, "Game not found.")
turn = 'w' if len(game['moves'])%2 == 0 else 'b'
if turn == 'w' and sid != game['wSid'] or turn == 'b' and sid != game['bSid']:
print("Not your move.")
return response_json(400, "Not your move.")
wT, bT = updatePlayersTime(game_id, turn)
moveIsLegal = update_pgn(game_id, move)
if not moveIsLegal: return response_json(400, "Illegal move.")
game_data = {
"move": move,
"wt": wT,
"bt": bT
}
if turn == 'w':
SIO.emit('move', game_data, room=game['bSid'])
else:
SIO.emit('move', game_data, room=game['wSid'])
@SIO.on('disconnect')
def on_disconnect(sid):
q1 = GAME_DB.players.delete_many({'sid':sid})
print('disconnect ' + sid + '; count: ' + str(q1.deleted_count))
q2 = GAME_DB.games.delete_many({"$or":[{"wSid":sid}, {'bSid': sid}]})
print('delete games ' + str(q2.deleted_count))
q3 = GAME_DB.chellange.delete_many({'sid': sid})
print('delete chellanges ' + str(q3.deleted_count))
if __name__ == '__main__':
APP = socketio.Middleware(SIO, APP)
eventlet.wsgi.server(eventlet.listen((SERVER.get('host'), SERVER.get('port'))), APP)