♻️ refactor: 주문 시, 가게 기본 키를 반환하도록 수정

src/main/java/com/example/Centralthon/domain/order/service/OrderService.java

@@ -1,10 +1,8 @@
 package com.example.Centralthon.domain.order.service;
 
-import com.example.Centralthon.domain.order.web.dto.OrderReq;
-import com.example.Centralthon.domain.order.web.dto.OrderRes;
-
-import java.util.List;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderReq;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderRes;
 
 public interface OrderService {
-    OrderRes orderMenus(OrderReq orderReq);
+    CreateOrderRes orderMenus(CreateOrderReq orderReq);
 }

src/main/java/com/example/Centralthon/domain/order/service/OrderServiceImpl.java

@@ -8,9 +8,9 @@
 import com.example.Centralthon.domain.order.exception.CodeNotCreatedException;
 import com.example.Centralthon.domain.order.repository.OrderItemRepository;
 import com.example.Centralthon.domain.order.repository.OrderRepository;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderReq;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderRes;
 import com.example.Centralthon.domain.order.web.dto.OrderItemListReq;
-import com.example.Centralthon.domain.order.web.dto.OrderReq;
-import com.example.Centralthon.domain.order.web.dto.OrderRes;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
@@ -37,7 +37,7 @@ public class OrderServiceImpl implements OrderService {
 
     @Override
     @Transactional
-    public OrderRes orderMenus(OrderReq orderReq) {
+    public CreateOrderRes orderMenus(CreateOrderReq orderReq) {
         Map<Long, Integer> orderList = new HashMap<>();
 
         for (OrderItemListReq orderItemListReq : orderReq.getItems()) {
@@ -60,13 +60,15 @@ public OrderRes orderMenus(OrderReq orderReq) {
         Order order = createOrderWithUniqueCode(totalPrice);
 
         List<OrderItem> orderItemList = new ArrayList<>();
+        List<Long> storeIdList = new ArrayList<>();
         for(Menu menu : menuList) {
             OrderItem orderItem = OrderItem.toEntity(order, menu, orderList.get(menu.getId()));
             orderItemList.add(orderItem);
+            if(!storeIdList.contains(menu.getStore().getId())) storeIdList.add(menu.getStore().getId());
         }
         orderItemRepository.saveAll(orderItemList);
 
-        return OrderRes.from(order);
+        return CreateOrderRes.of(order, storeIdList);
     }
 
     private Order createOrderWithUniqueCode(int totalPrice) {

src/main/java/com/example/Centralthon/domain/order/web/controller/OrderController.java

@@ -1,8 +1,8 @@
 package com.example.Centralthon.domain.order.web.controller;
 
 import com.example.Centralthon.domain.order.service.OrderService;
-import com.example.Centralthon.domain.order.web.dto.OrderReq;
-import com.example.Centralthon.domain.order.web.dto.OrderRes;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderReq;
+import com.example.Centralthon.domain.order.web.dto.CreateOrderRes;
 import com.example.Centralthon.global.response.SuccessResponse;
 import com.example.Centralthon.global.response.code.SuccessResponseCode;
 import jakarta.validation.Valid;
@@ -18,8 +18,8 @@ public class OrderController {
     private final OrderService orderService;
 
     @PostMapping
-    public ResponseEntity<SuccessResponse<OrderRes>> createOrder(@RequestBody @Valid OrderReq orderReq) {
-        OrderRes orderRes = orderService.orderMenus(orderReq);
-        return ResponseEntity.status(HttpStatus.CREATED).body(SuccessResponse.of(orderRes, SuccessResponseCode.SUCCESS_CREATED));
+    public ResponseEntity<SuccessResponse<CreateOrderRes>> createOrder(@RequestBody @Valid CreateOrderReq orderReq) {
+        CreateOrderRes createOrderRes = orderService.orderMenus(orderReq);
+        return ResponseEntity.status(HttpStatus.CREATED).body(SuccessResponse.of(createOrderRes, SuccessResponseCode.SUCCESS_CREATED));
     }
 }

src/main/java/com/example/Centralthon/domain/order/web/dto/OrderReq.java → src/main/java/com/example/Centralthon/domain/order/web/dto/CreateOrderReq.java

@@ -9,7 +9,7 @@
 
 @Getter
 @Setter
-public class OrderReq {
+public class CreateOrderReq {
     @NotEmpty(message = "주문 항목은 빈 배열일 수 없습니다.")
     List<@Valid OrderItemListReq> items;
 }

src/main/java/com/example/Centralthon/domain/order/web/dto/CreateOrderRes.java

@@ -0,0 +1,14 @@
+package com.example.Centralthon.domain.order.web.dto;
+
+import com.example.Centralthon.domain.order.entity.Order;
+
+import java.util.List;
+
+public record CreateOrderRes(
+        String code,
+        List<Long> storeList
+) {
+    public static CreateOrderRes of(Order order, List<Long> storeList) {
+        return new CreateOrderRes(order.getPickUpCode(), storeList);
+    }
+}