def start_logic(self):
user = None
while True:
mode = self.user_id_input()
if mode == 'login':
user = self.login()
if user is not None:
return user
elif mode == 'register':
user = self.register()
if user is not None:
return user
elif mode == 'exit':
raise UserExitException()
def perform(self, objects, *args, **kwargs):
raise UserExitException('See you next time!')
def perform(self, objects, *args, **kwargs):
raise UserExitException('Bye bye...')