def checkMove(move, user1, channelID):
"""Precondtion: A game exists and is in some valid state. A user has made a move to be checked for validity
Postcondition: Returns different states of move validity, (-1 to -5), denoted by the comments next to each return status"""
user1_db = str(db.retrieveGameInfo(channelID)[0])
user2_db = str(db.retrieveGameInfo(channelID)[1])
board = db.retrieveMove(channelID)[0]
turn = int(getMove(channelID))
if turn % 2 == 0: #user1 turn (even)
if user1 == user2_db:
return -5 #If the other who just made a turn tried to make another
elif user1 != user1_db and user1 != user2_db:
return -4 #if anyone else not in-game tried to make a move
elif turn % 2 != 0: #user2 turn (odd)
if user1 == user1_db:
return -5 #If the other who just made a turn tried to make another
elif user1 != user2_db and user1 != user1_db:
return -4 #if anyone else not in-game tried to make a move
try:
move = int(move)
if move >= 1 and move <= 9:
if board[move - 1] != -1:
return -1 # error a move attempted on an already taken cell
else:
return (move - 1)
else:
return -2 # attempted move on a cell > 9 or cell < 0
except:
return -3 #non-integer input (e.g str)
def nextMove(position, channelID):
"""Precondition: A game exists and is in some valid state
Postcondition: Makes next move, and returns updated board"""
board = db.retrieveMove(channelID)[0]
board[position -
1] = 1 if getMove(channelID) % 2 == 0 else 0 #1 if x, 0 if O
db.saveMove(board, channelID) #save
return board
def getBoard(channelID):
"""Precondition: A game exists and is in some valid state
Postcondition: returns board status without making any changes to it"""
return db.retrieveMove(channelID)[0]
def checkGame(channelID):
"""Postcondition: Returns bool whether or not a game is in place"""
if db.retrieveMove(channelID):
return True
return False
def getMove(channelID):
"""Precondition: A game exists and is in some valid state
Postcondition: An int value with the number of moves is returned """
move = db.retrieveMove(channelID)[1]
return move