def get(self):
logging.debug("GameModes: GET: Initializing GameObject")
game_controller = GameController(
game_modes=app.config["COWBULL_CUSTOM_MODES"], )
logging.debug("GameModes: GET: GameObject initialized to {}".format(
game_controller.save()))
logging.debug("GameModes: GET: Checking if textmode flag set")
if request.args.get('textmode', None):
logging.debug("GameModes: GET: Responding with list of names")
response_data = game_controller.game_mode_names
else:
logging.debug(
"GameModes: GET: Responding with JSON object: {}".format(
game_controller.game_modes))
response_data = {
"instructions":
"Welcome to the CowBull game. The objective of this game "
"is to guess a set of digits by entering a sequence of "
"numbers. Each time you guess (there is a set number of "
"tries to win), you will be provided with an analysis "
"of your guesses.",
"notes":
"The modes can be different depending upon the game server that "
"serves the game.",
"default-mode":
str(game_controller.default_mode),
"modes": [{
"mode": gt.mode,
"digits": gt.digits,
"digit-type": gt.digit_type,
"guesses": gt.guesses_allowed
} for gt in game_controller.game_modes]
}
# response_data = [{"mode": gt.mode,
# "digits": gt.digits,
# "digit-type": gt.digit_type,
# "guesses": gt.guesses_allowed
# } for gt in game_object.game_modes]
logging.debug("GameModes: GET: Return {}".format(response_data))
return build_response(html_status=200,
response_data=response_data,
response_mimetype="application/json")
def test_gc_load(self):
g = GameController()
g2 = GameController()
g2.load(g.save())
self.assertEqual(g.save(), g2.save())
def get(self):
"""
TBC
:return:
"""
#
# Set the error handler to default the module and method so that logging
# calls can be more precise and easier to read.
#
self.handler.method = "get"
self.handler.log(message='Processing GET request', status=0)
#
# Check if a game mode has been passed as a query parameter. If it has,
# use it to create the game. If it hasn't, then let the game decide.
#
self.handler.log(message='Fetching arguments (if any) passed to get')
game_mode = request.args.get('mode', default=None, type=None)
self.handler.log("game_mode value from request.args.get: {}, type: {}".format(game_mode, type(game_mode)))
try:
self.handler.log(message="Creating game with mode {} ({})".format(game_mode, type(game_mode)))
game_controller = GameController(
game_modes=app.config["COWBULL_CUSTOM_MODES"],
mode=game_mode
)
self.handler.log(message='New game created with key {}'.format(game_controller.game.key), status=0)
except ValueError as ve:
return self.handler.error(
status=400,
exception="Invalid game mode",
message="{}: game mode {}!".format(str(ve), game_mode)
)
# Get a persistence engine. The persister is set in configuration
# and dynamically loaded at the start of the transaction. See
# Persistence/PersistenceEngine.py for more info.
try:
self.handler.log(message="Fetching persistence engine - {}".format(self.persistence_engine.engine_name))
persister = self.persistence_engine.persister
self.handler.log(message='Persister instantiated', status=0)
except ConnectionError as ce:
return self.handler.error(status=503, exception=str(ce), message="There is no redis service available!")
except AttributeError as ae:
return self.handler.error(status=503, exception=str(ae), message="An internal error occurred - attribute missing for redis - check GameServerController:__init__")
except Exception as e:
return self.handler.error(status=500, exception=str(e),
message="An internal error occurred - {}".format(repr(e)))
#
# Save the newly created game to the persistence engine
#
gen_error_msg = "The request raised an exception while trying to save a new game. " \
"Please try again shortly and the issue has been logged."
self.handler.log(message="Saving game to persister")
try:
persister.save(game_controller.game.key, game_controller.save())
except KeyError as ke:
return self.handler.error(
status=500,
exception=str(ke),
message=gen_error_msg
)
except Exception as e:
return self.handler.error(status=500, exception=str(e),
message="An internal error occurred - {}".format(repr(e)))
self.handler.log(message='Game {} persisted.'.format(game_controller.game.key), status=0)
#
# Build the user response - key, no. of digits, and no. of guesses
#
_response = {
"key": game_controller.game.key,
"mode": game_controller.game.mode.mode,
"digits": game_controller.game.mode.digits,
"digit-type": game_controller.game.mode.digit_type,
"guesses": game_controller.game.mode.guesses_allowed,
"served-by": socket.gethostname(),
"help-text": game_controller.game.mode.help_text,
"instruction-text": game_controller.game.mode.instruction_text
}
self.handler.log(message='GET request fulfilled. Returned: {}'.format(_response), status=0)
return build_response(
html_status=200,
response_data=_response,
response_mimetype="application/json"
)
def post(self):
"""
TBC
:return:
"""
self.handler.method = "post"
self.handler.log(message='Processing POST request.', status=0)
#
# Get the JSON from the POST request. If there is no JSON then an exception
# is raised. IMPORTANT NOTE: When debugging ensuring the Content-type is
# set to application/json - for example (using cURL):
#
# curl -H "Content-type: application/json" ...
#
try:
self.handler.log(message='Attempting to execute_load JSON', status=0)
json_dict = request.get_json()
self.handler.log(message='Loaded JSON. Returned: {}'.format(json_dict), status=0)
except BadRequest as e:
return self.handler.error(
status=400,
exception=e.description,
message="Bad request. There was no JSON present. Are you sure the "
"header Content-type is set to application/json?"
)
#
# Get a persister to enable the game to be loaded and then saved (updated).
# See the GET method above for more information on the persister.
#
try:
self.handler.log(message='Getting persister', status=0)
persister = self.persistence_engine.persister
except ConnectionError as ce:
return self.handler.error(
status=503,
exception=str(ce),
message="There is no redis service available!"
)
#
# Get the game key from the JSON provided above. If it does not exist,
# return a 400 status (client) error
#
try:
_key = json_dict["key"]
self.handler.log(message='Attempting to execute_load game {}'.format(_key), status=0)
except TypeError as te:
return self.handler.error(
status=400,
exception=str(te),
message="Bad request. For some reason the json_dict is None! Are you "
"sure the header is set to application/json?"
)
except KeyError as ke:
return self.handler.error(
status=400,
exception=str(ke),
message="Bad request. For some reason the json_dict does not contain "
"a key! Are you sure the header is set to application/json and "
"a key is present?"
)
#
# Load the game based on the key contained in the JSON provided to
# the POST request. If the JSON data is invalid, return a
# response to the user indicating an HTML status, the exception, and an
# explanatory message. If the data
#
gen_error_msg = "The request raised an exception while trying to load the saved game. " \
"Please try again shortly and the issue has been logged."
try:
_persisted_response = persister.load(key=_key)
if not _persisted_response:
raise KeyError(
"The game key ({}) was not found in the persistence engine!".format(_key)
)
self.handler.log(message="Persister response: {}".format(_persisted_response))
_loaded_game = json.loads(_persisted_response)
self.handler.log(message="Loaded game: {}".format(_loaded_game))
except KeyError as ke:
return self.handler.error(
status=400,
exception=str(ke),
message="The request must contain a valid game key."
)
except ValueError as ve:
return self.handler.error(
status=500,
exception=str(ve),
message=gen_error_msg
)
except Exception as e:
return self.handler.error(
status=400,
exception=repr(e),
message=gen_error_msg
)
#
# Load the game based on the key contained in the JSON provided to
# the POST request. If the JSON data is invalid, return a
# response to the user indicating an HTML status, the exception, and an
# explanatory message. If the data
#
try:
self.handler.log(message="Loading game mode from: {}.".format(_loaded_game["mode"]))
_mode = _loaded_game["mode"]
self.handler.log(message="Loaded game mode {}.".format(str(_mode["mode"])))
_game = GameController(
game_modes=app.config["COWBULL_CUSTOM_MODES"],
game_json=json.dumps(_loaded_game),
mode=str(_mode["mode"])
)
self.handler.log(message='Loaded game {}'.format(_key), status=0)
except RuntimeError as ve:
return self.handler.error(
status=500,
exception=str(ve),
message="Bad request. For some reason the json_dict was None!"
)
except KeyError as ke:
return self.handler.error(
status=400,
exception=str(ke),
message="The request must contain a valid game key."
)
except TypeError as te:
return self.handler.error(
status=400,
exception=str(te),
message="The game key provided was invalid."
)
except Exception as e:
return self.handler.error(
status=500,
exception=repr(e),
message="Exception occurred while loading game!"
)
#
# Get the digits being guessed and add them to a list
#
try:
self.handler.log(message='Getting digits from {}'.format(json_dict))
_guesses = json_dict["digits"]
self.handler.log(message='Guesses extracted from JSON: {}'.format(_guesses), status=0)
except RuntimeError as ve:
return self.handler.error(
status=500,
exception=str(ve),
message="Bad request. For some reason the json_dict was None!"
)
except ValueError as ve:
return self.handler.error(
status=400,
exception=str(ve),
message="There was a problem with the value of the digits provided!"
)
except KeyError as ke:
return self.handler.error(
status=400,
exception=str(ke),
message="The request must contain an array of digits called 'digits'"
)
except TypeError as te:
return self.handler.error(
status=400,
exception=str(te),
message="The game key provided was invalid."
)
#
# Make a guess
#
try:
self.handler.log(message="In guess")
self.handler.log(message='Making a guess with digits: {}'.format(_guesses), status=0)
_analysis = _game.guess(*_guesses)
self.handler.log(message='Retrieved guess analysis', status=0)
except ValueError as ve:
return self.handler.error(
status=400,
exception=str(ve),
message="There is a problem with the digits provided!"
)
#
# Save the game
#
gen_error_msg = "The request raised an exception while trying to save (update) the game. " \
"Please try again shortly and the issue has been logged."
self.handler.log(message="Saving game to persister")
save_game = _game.save()
try:
persister.save(key=_key, jsonstr=save_game)
except KeyError as ke:
return self.handler.error(
status=500,
exception=str(ke),
message=gen_error_msg
)
except Exception as e:
return self.handler.error(status=500, exception=str(e),
message="An internal error occurred - {}".format(repr(e)))
self.handler.log(message='Game {} persisted.'.format(_key), status=0)
#
# Return the analysis of the guess to the user.
#
_display_info = json.loads(save_game)
del(_display_info["answer"])
_return_response = \
{
"game": _display_info,
"outcome": _analysis,
"served-by": socket.gethostname()
}
self.handler.log(message='Returning analysis and game info to caller', status=0)
return build_response(response_data=_return_response)
