class Mode(ABC):
"""
Abstract class representing an activation mode of the trivia game.
Some mode examples are administrative menu, predefined game setups and more.
"""
possible_dbs = {'mongodb': DbMongodb, 'sql_server': DbSqlServer}
def __init__(self, db='mongodb'):
"""
Initiates the current game mode.
Args:
db: The database to run the game with. One of Mode.possible_dbs
"""
self.ui = ConsoleUI()
self.db = self.possible_dbs[db]()
@abstractmethod
def start(self):
"""
Starts a new session.
"""
pass
@abstractmethod
def restart(self):
"""
Asks the user if he/she wants to restart the current session.
Returns:
bool: True if the user chose yes, False otherwise.
"""
pass
@staticmethod
def _validate_pos_num(val):
# a validation method to use with the ui.get_user_input method
if val == "": # empty string is allowed. default value will be used.
return
try:
if int(val) <= 0:
return "Invalid input. Must be positive."
except ValueError:
return "Invalid input. Must be a positive number."
def _choose_category(self, message):
categories = self.db.get_categories()
if len(categories) == 0:
self.ui.alert("There are currently no categories in the database.")
else:
return self.ui.get_user_choice(sorted(categories), message)
from admin_menu import AdminMenu
from game import Game
from console_ui import ConsoleUI as UI
import sys
# choose the game mode according to the command-line parameter or use default mode
modes = {'normal', 'admin'}
mode = 'normal'
if len(sys.argv) > 1:
mode = sys.argv[1]
if mode not in modes:
UI.alert(
f"Invalid argument {mode}. mode parameter should be one of [{modes}] or left empty. "
f" The default mode is {default_mode}")
exit(1)
if mode and mode == 'admin':
session = AdminMenu()
else:
session = Game()
# Start the game
UI.welcome("!! WELCOME TO THE AMAZING TRIVIA GAME !!")
finished = False
while not finished:
session.start()
if not session.restart():
finished = True
else:
UI.restart()