Command.py

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
# @Time    :   2022/08/26 16:04:35
# @Author  :   Gary
# @Email   :   None
class backSys():
    def cook(self, dish):
        pass


class mainFoodSys(backSys):
    def cook(self, dish):
        print("MAINFOOD:Cook %s" % dish)


class coolDishSys(backSys):
    def cook(self, dish):
        print("COOLDISH:Cook %s" % dish)


class hotDishSys(backSys):
    def cook(self, dish):
        print("HOTDISH:Cook %s" % dish)


class waiterSys():
    menu_map = dict()
    commandList = []

    def setOrder(self, command):
        print("WAITER:Add dish")
        self.commandList.append(command)

    def cancelOrder(self, command):
        print("WAITER:Cancel order...")
        self.commandList.remove(command)

    def notify(self):
        print("WAITER:Nofify...")
        for command in self.commandList:
            command.execute()


class Command():
    # 抽象命令类
    receiver = None

    def __init__(self, receiver):
        self.receiver = receiver

    def execute(self):
        pass


class foodCommand(Command):
    # 具体命令类
    dish = ""

    def __init__(self, receiver, dish):
        self.receiver = receiver
        self.dish = dish

    def execute(self):
        self.receiver.cook(self.dish)


class mainFoodCommand(foodCommand):
    # 具体命令类
    pass


class coolDishCommand(foodCommand):
    # 具体命令类
    pass


class hotDishCommand(foodCommand):
    # 具体命令类
    pass


class menuAll:
    menu_map = dict()

    def loadMenu(self):  # 加载菜单，这里直接写死
        self.menu_map["hot"] = ["Yu-Shiang Shredded Pork",
                                "Sauteed Tofu, Home Style", "Sauteed Snow Peas"]
        self.menu_map["cool"] = ["Cucumber", "Preserved egg"]
        self.menu_map["main"] = ["Rice", "Pie"]

    def isHot(self, dish):
        if dish in self.menu_map["hot"]:
            return True
        return False

    def isCool(self, dish):
        if dish in self.menu_map["cool"]:
            return True
        return False

    def isMain(self, dish):
        if dish in self.menu_map["main"]:
            return True
        return False


if __name__ == "__main__":
    dish_list = ["Yu-Shiang Shredded Pork",
                 "Sauteed Tofu, Home Style", "Cucumber", "Rice"]  # 顾客点的菜
    waiter_sys = waiterSys()
    main_food_sys = mainFoodSys()
    cool_dish_sys = coolDishSys()
    hot_dish_sys = hotDishSys()
    menu = menuAll()
    menu.loadMenu()
    for dish in dish_list:
        if menu.isCool(dish):
            cmd = coolDishCommand(cool_dish_sys, dish)
        elif menu.isHot(dish):
            cmd = hotDishCommand(hot_dish_sys, dish)
        elif menu.isMain(dish):
            cmd = mainFoodCommand(main_food_sys, dish)
        else:
            continue
        waiter_sys.setOrder(cmd)
    waiter_sys.notify()