def match_pair(cls, game, pair_1, pair_2):
"""Match a pair and update game state"""
game.attempts += 1
game.put()
card_1 = Card.query(Card.game == game.key).filter(Card.index == pair_1).get()
card_2 = Card.query(Card.game == game.key).filter(Card.index == pair_2).get()
if card_1.matched or card_2.matched:
raise RuntimeError('Could not rematch a matched card')
form = MatchResultForm()
if card_1.value == card_2.value:
card_1.matched = True
card_1.put()
card_2.matched = True
card_2.put()
game.matched += 2
game.put()
form.message = 'Success'
else:
form.message = 'Fail'
# Construct return info form
form.card_1 = card_1.to_form()
form.card_2 = card_2.to_form()
form.matched_count = game.matched
if game.matched == 52:
game.game_over = True
game.put()
Card.delete_cards_for_game(game)
# Update average attempts of user
user = game.user.get()
games = Game.get_user_finished_games(user)
count = len(games)
if user.average_attempts == float('inf'):
user.average_attempts = 0
user.average_attempts = ((count - 1) * user.average_attempts + game.attempts) / count
user.put()
score = Score(user=game.user, date=date.today(), attempts=game.attempts)
score.put()
form.message = 'Win'
# Create history log
History.create_history(game=game,
card_1=card_1,
card_2=card_2,
message=form.message)
return form
def make_game_easier(cls, game, hint_num):
cards = Card.get_cards_for_game(game)
unmatched_cards = filter(lambda c: not c.matched, cards)
hint_histories = []
while game.matched != 52 and hint_num > 0:
card_1 = unmatched_cards[0]
card_2 = filter(lambda c: c != card_1 and c.value == card_1.value, unmatched_cards)[0]
# Update game state
card_1.matched = True
card_2.matched = True
game.matched += 2
game.attempts += 1
hint_num -= 1
# Update card state unmatched card list
unmatched_cards.remove(card_1)
unmatched_cards.remove(card_2)
card_1.put()
card_2.put()
# Create history log
history = History.create_history(game=game, card_1=card_1, card_2=card_2, message='Hint Match')
hint_histories.append(history)
game.put()
return hint_histories
