class OperateVendingMachine:
def __init__(self, test_file_path = './test/input1.txt'):
if os.path.exists(os.path.join(os.getcwd(), test_file_path)):
with open(test_file_path, 'r') as read_file:
self.all_commands = read_file.readlines()
self.initialize_vending_machine()
self.process_command_lines()
else:
print('Invalid File')
def initialize_vending_machine(self):
max_quantity = None
cost_of_each_item = None
for line in self.all_commands:
if len(line) > 0 and (max_quantity is None or cost_of_each_item is None):
values = list(map(lambda x: x.strip(), line.split(',')))
match values[0]:
case 'maxquantity': max_quantity = int(values[1])
case 'costofeachitem': cost_of_each_item = int(values[1])
case _: pass
if max_quantity is not None and cost_of_each_item is not None:
self.vending_machine = VendingMachine(max_quantity, cost_of_each_item)
else:
print('Unable to initialize vending machine')
exit(0)
def process_command_lines(self):
for line in self.all_commands:
if len(line) > 0:
values = list(map(lambda x: x.strip(), line.split(',')))
print(values)
match values[0]:
case 'login': self.vending_machine.login(values[1])
case 'logout': self.vending_machine.logout()
case 'additem':
[item_type, quantity, *name] = values[1].split(' ')
item = Item(' '.join(name), item_type, int(quantity))
self.vending_machine.add_item(item, item_type)
case 'addcash': self.vending_machine.add_cash(int(values[1]))
case 'getavailablecash': self.vending_machine.get_available_cash_for_user()
case 'getitem': self.vending_machine.get_items()
case 'buy':
[item_type, item_id, quantity] = values[1].split(' ')
self.vending_machine.buy_item(int(item_id), int(quantity), item_type)
case 'deleteitem':
[item_type, item_id] = values[1].split(' ')
self.vending_machine.delete_item(item_type=item_type, item_id=int(item_id))
case 'decreaseitem':
[item_type, item_id, quantity] = values[1].split(' ')
self.vending_machine.decrease_item_quantity(int(item_id), int(quantity), item_type)
case 'increaseitem':
[item_type, item_id, quantity] = values[1].split(' ')
self.vending_machine.increase_item_quantity(int(item_id), int(quantity), item_type)
case 'adduser':
[user_type, *username] = values[1].split(' ')
user = User(' '.join(username), user_type)
self.vending_machine.add_user(user)
case 'getalluser': self.vending_machine.get_all_user()
case 'deleteuser': self.vending_machine.delete_user(int(values[1]))
case _: 'Invalid command'
