[실습과제] Dessert 클래스 추가하기
위 1번의 클래스 다이어그램과 2번의 예시코드를 기반으로 MenuItem에 Dessert 클래스를 추가하고 코드를 완성하시오. 단, 메뉴 관리는 등록/수정/조회 기능을 필수로 구현하고 삭제 기능은 등록/수정/조회 기능이 완성 된 후에 구현하시오.
[제출 1] 메뉴관리 클래스 다이어그램 (Dessert 클래스 추가)
[제출 2] 메뉴관리 구현 코드
KioskUI, MenuController, MenuRepository, MenuItem, Coffee, Dessert 클래스 포함
class MenuItem:
def __init__(self, menu_id, menu_type, name, price, description, status):
self.__menu_id = menu_id
self.__menu_type = menu_type
self.__name = name
self.__price = price
self.__description = description
self.__status = status
@property
def menu_id(self):
return self.__menu_id
@property
def menu_type(self):
return self.__menu_type
@property
def name(self):
return self.__name
@name.setter
def name(self, value):
self.__name = value
@property
def price(self):
return self.__price
@price.setter
def price(self, value):
self.__price = int(value)
@property
def description(self):
return self.__description
@description.setter
def description(self, value):
self.__description = value
@property
def status(self):
return self.__status
@status.setter
def status(self, value):
self.__status = value
def to_dict(self):
return {
"menu_id": self.__menu_id,
"menu_type": self.__menu_type,
"name": self.__name,
"price": self.__price,
"description": self.__description,
"status": self.__status
}
class Coffee(MenuItem):
def __init__(self, menu_id, name, price, description, status, bean_type, temp_type):
super().__init__(menu_id, "Coffee", name, price, description, status)
self.__bean_type = bean_type
self.__temp_type = temp_type
@property
def bean_type(self):
return self.__bean_type
@bean_type.setter
def bean_type(self, value):
self.__bean_type = value
@property
def temp_type(self):
return self.__temp_type
@temp_type.setter
def temp_type(self, value):
self.__temp_type = value
def to_dict(self):
menu_data = super().to_dict()
menu_data["bean_type"] = self.__bean_type
menu_data["temp_type"] = self.__temp_type
return menu_data
class Dessert(MenuItem):
def __init__(self, menu_id, name, price, description, status, allergy, calories):
super().__init__(menu_id, "Dessert", name, price, description, status)
self.__allergy = allergy
self.__calories = calories
@property
def allergy(self):
return self.__allergy
@allergy.setter
def allergy(self, value):
self.__allergy = value
@property
def calories(self):
return self.__calories
@calories.setter
def calories(self, value):
self.__calories = int(value)
def to_dict(self):
menu_data = super().to_dict()
menu_data["allergy"] = self.__allergy
menu_data["calories"] = self.__calories
return menu_data
class MenuRepository:
def __init__(self):
self.__menu_list = []
self.__next_menu_id = 1
def generate_menu_item_id(self):
menu_id = self.__next_menu_id
self.__next_menu_id += 1
return menu_id
def add_menu_item(self, menu_item):
self.__menu_list.append(menu_item)
def find_all(self):
return self.__menu_list
def find_by_id(self, menu_id):
for menu_item in self.__menu_list:
if menu_item.menu_id == menu_id:
return menu_item
return None
def find_by_type(self, menu_type):
result = []
for menu_item in self.__menu_list:
if menu_item.menu_type == menu_type:
result.append(menu_item)
return result
class MenuController:
def __init__(self):
self.__menu_repository = MenuRepository()
def check_mandatory_field(self, name, price, status):
return all([name, price, status])
def register_menu_item(self, menu_type, name, price, description, status,
bean_type=None, temp_type=None, allergy=None, calories=None):
menu_id = self.__menu_repository.generate_menu_item_id()
if menu_type == "Coffee":
menu_item = Coffee(menu_id, name, int(price), description, status, bean_type, temp_type)
elif menu_type == "Dessert":
menu_item = Dessert(menu_id, name, int(price), description, status, allergy, calories)
else:
menu_item = MenuItem(menu_id, menu_type, name, int(price), description, status)
self.__menu_repository.add_menu_item(menu_item)
def retrieve_menu_list(self):
menu_items = self.__menu_repository.find_all()
result = []
for item in menu_items:
result.append(item.to_dict())
return result
def retrieve_menu_by_id(self, menu_id):
menu_item = self.__menu_repository.find_by_id(int(menu_id))
if menu_item is None:
return None
return menu_item.to_dict()
def retrieve_menu_by_type(self, menu_type):
menu_items = self.__menu_repository.find_by_type(menu_type)
result = []
for item in menu_items:
result.append(item.to_dict())
return result
def modify_menu_item(self, menu_id, field, new_value):
menu_item = self.__menu_repository.find_by_id(int(menu_id))
if menu_item is None:
return False
if field == "1":
menu_item.name = new_value
elif field == "2":
menu_item.price = new_value
elif field == "3":
menu_item.description = new_value
elif field == "4":
menu_item.status = new_value
elif field == "5":
if isinstance(menu_item, Coffee):
menu_item.bean_type = new_value
elif isinstance(menu_item, Dessert):
menu_item.allergy = new_value
else:
return False
elif field == "6":
if isinstance(menu_item, Coffee):
menu_item.temp_type = new_value
elif isinstance(menu_item, Dessert):
menu_item.calories = new_value
else:
return False
else:
return False
return True
class MainUI:
def __init__(self):
self.__menu_controller = MenuController()
def run(self):
while True:
self.__print_main_menu()
selected_menu = input("메뉴를 선택하세요: ")
if selected_menu == "11":
self.__select_register_menu()
elif selected_menu == "12":
self.__select_modify_menu()
elif selected_menu == "13":
self.__select_delete_menu()
elif selected_menu == "14":
self.__select_retrieve_menu()
elif selected_menu == "21":
self.__select_order()
elif selected_menu == "0":
print("프로그램 종료")
break
else:
print("잘못된 입력")
def __print_main_menu(self):
print("\n============= 카페 키오스크 =============")
print("메뉴관리(관리자) 주문관리(고객)")
print("11. 메뉴 등록 21. 주문[TODO]")
print("12. 메뉴 수정")
print("13. 메뉴 삭제[TODO]")
print("14. 메뉴 조회")
print("0. 종료")
print("========================================")
def __select_register_menu(self):
print("\n[메뉴 등록]")
print("1. Coffee")
print("2. Dessert")
menu_type_input = input("유형 선택: ")
if menu_type_input == "1":
menu_type = "Coffee"
elif menu_type_input == "2":
menu_type = "Dessert"
else:
print("잘못된 입력")
return
name = input("메뉴명: ")
price = input("가격: ")
description = input("설명: ")
status = input("상태(1. 판매중, 2. 품절): ")
bean_type = None
temp_type = None
allergy = None
calories = None
if menu_type == "Coffee":
print("\n원두 종류")
print("Arabica, Robusta, Ethiopia, Colombia, Kenya AA, Blend")
bean_type = input("원두 종류 입력: ")
print("\n온도 선택")
print("hot, ice")
temp_type = input("선택: ")
if temp_type not in ["hot", "ice"]:
print("잘못된 입력")
return
elif menu_type == "Dessert":
allergy = input("알레르기 정보: ")
calories = input("칼로리: ")
if not self.__menu_controller.check_mandatory_field(name, price, status):
print("누락된 정보를 입력하세요.")
return
self.__menu_controller.register_menu_item(
menu_type, name, price, description, status,
bean_type, temp_type, allergy, calories
)
print("등록 완료")
def __display_menu_list(self, menu_list):
print(
f"{'ID':<5}"
f"{'Type':<10}"
f"{'이름':<15}"
f"{'가격':<10}"
f"{'상태':<10}"
f"{'설명':<20}"
f"{'원두':<15}"
f"{'온도':<10}"
f"{'알레르기':<15}"
f"{'칼로리':<10}"
)
print("-" * 130)
for m in menu_list:
print(
f"{m['menu_id']:<5}"
f"{m['menu_type']:<10}"
f"{m['name']:<15}"
f"{m['price']:<10}"
f"{m['status']:<10}"
f"{m['description']:<20}"
f"{m.get('bean_type', ''):<15}"
f"{m.get('temp_type', ''):<10}"
f"{m.get('allergy', ''):<15}"
f"{m.get('calories', ''):<10}"
)
print("=" * 130)
def __select_modify_menu(self):
print("\n[메뉴 수정]")
menu_list = self.__menu_controller.retrieve_menu_list()
if not menu_list:
print("메뉴 없음")
return
self.__display_menu_list(menu_list)
menu_id = input("수정할 메뉴 ID 입력: ")
menu_item = self.__menu_controller.retrieve_menu_by_id(menu_id)
if menu_item is None:
print("존재하지 않는 ID입니다.")
return
print("\n[현재 메뉴 정보]")
print(f"메뉴명 : {menu_item['name']}")
print(f"가격 : {menu_item['price']}")
print(f"설명 : {menu_item['description']}")
print(f"상태 : {menu_item['status']}")
print("\n수정 항목")
print("1. 메뉴명")
print("2. 가격")
print("3. 설명")
print("4. 상태")
if menu_item["menu_type"] == "Coffee":
print(f"원두 : {menu_item['bean_type']}")
print(f"온도 : {menu_item['temp_type']}")
print("5. 원두")
print("6. 온도")
elif menu_item["menu_type"] == "Dessert":
print(f"알레르기 : {menu_item['allergy']}")
print(f"칼로리 : {menu_item['calories']}")
print("5. 알레르기")
print("6. 칼로리")
field_no = input("선택: ")
field_value = input("새로운 값 입력: ")
result = self.__menu_controller.modify_menu_item(menu_id, field_no, field_value)
if result:
print("수정 완료")
else:
print("수정 실패")
def __select_retrieve_menu(self):
print("\n[메뉴 조회]")
print("1. 전체 조회")
print("2. Coffee 조회")
print("3. Dessert 조회")
selected_menu = input("선택: ")
if selected_menu == "1":
menu_list = self.__menu_controller.retrieve_menu_list()
elif selected_menu == "2":
menu_list = self.__menu_controller.retrieve_menu_by_type("Coffee")
elif selected_menu == "3":
menu_list = self.__menu_controller.retrieve_menu_by_type("Dessert")
else:
print("잘못된 입력")
return
if not menu_list:
print("메뉴 없음")
return
self.__display_menu_list(menu_list)
def __select_delete_menu(self):
print("[TODO] 메뉴 삭제")
def __select_order(self):
print("[TODO] 주문 기능")
if __name__ == "__main__":
ui = MainUI()
ui.run()
