feat: 등록할 때 아이디 반환 (#217)

src/main/java/poomasi/domain/product/controller/ProductFarmerController.java

@@ -17,6 +17,7 @@
 import poomasi.domain.auth.security.userdetail.UserDetailsImpl;
 import poomasi.domain.member.entity.Member;
 import poomasi.domain.product.dto.ProductRegisterRequest;
+import poomasi.domain.product.dto.ProductRegisterResponse;
 import poomasi.domain.product.dto.UpdateProductQuantityRequest;
 import poomasi.domain.product.service.ProductFarmerService;
 
@@ -34,8 +35,8 @@ public class ProductFarmerController {
             (@AuthenticationPrincipal UserDetailsImpl userDetails,
                     @RequestBody ProductRegisterRequest product) {
         Member member = userDetails.getMember();
-        Long productId = productFarmerService.registerProduct(member, product);
-        return new ResponseEntity<>(productId, HttpStatus.CREATED);
+        ProductRegisterResponse response = productFarmerService.registerProduct(member, product);
+        return new ResponseEntity<>(response, HttpStatus.CREATED);
     }
 
     @Secured({"ROLE_FARMER", "ROLE_ADMIN"})

src/main/java/poomasi/domain/product/dto/ProductRegisterResponse.java

@@ -0,0 +1,8 @@
+package poomasi.domain.product.dto;
+
+public record ProductRegisterResponse(
+        Long productId,
+        Long productIntroId
+) {
+
+}

src/main/java/poomasi/domain/product/service/ProductFarmerService.java

@@ -9,6 +9,9 @@
 import poomasi.domain.product._category.entity.Category;
 import poomasi.domain.product._category.repository.CategoryRepository;
 import poomasi.domain.product._category.service.CategoryService;
+import poomasi.domain.product._intro.entity.ProductIntro;
+import poomasi.domain.product._intro.repository.ProductIntroRepository;
+import poomasi.domain.product.dto.ProductRegisterResponse;
 import poomasi.domain.store.entity.Store;
 import poomasi.domain.store.repository.StoreRepository;
 import poomasi.domain.product.dto.ProductRegisterRequest;
@@ -29,9 +32,10 @@ public class ProductFarmerService {
     private final CategoryService categoryService;
     private final StoreService storeService;
     private final ImageRepository imageRepository;
+    private final ProductIntroRepository productIntroRepository;
 
     @Transactional
-    public Long registerProduct(Member member, ProductRegisterRequest request) {
+    public ProductRegisterResponse registerProduct(Member member, ProductRegisterRequest request) {
         Category category = getCategory(request.categoryId());
         Store store = member.getStore();
 
@@ -40,7 +44,7 @@ public Long registerProduct(Member member, ProductRegisterRequest request) {
         category.addProduct(saveProduct);
         store.addProduct(saveProduct);
         saveProduct.getProductIntro().setProduct(saveProduct);
-        return saveProduct.getId();
+        return new ProductRegisterResponse(saveProduct.getId(), saveProduct.getProductIntro().getId());
     }
 
     private Image getImage(Long imageId) {