feat: 상품 가격 변경 API 구현

Author: Kimjipang

apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductV1ApiSpec.java

@@ -9,14 +9,18 @@
 @Tag(name = "Product V1 API", description = "Product API 입니다.")
 public interface ProductV1ApiSpec {
     @Operation(summary = "상품 등록")
-    ApiResponse<ProductV1Dto.ProductResponse> registerProduct (ProductV1Dto.ProductRequest request);
+    ApiResponse<ProductV1Dto.ProductResponse> registerProduct(ProductV1Dto.ProductRequest request);
 
     @Operation(summary = "상품 목록 조회")
-    ApiResponse<List<ProductV1Dto.ProductResponse>> findAllProducts ();
+    ApiResponse<List<ProductV1Dto.ProductResponse>> findAllProducts();
 
     @Operation(summary = "상품 상세 조회")
-    ApiResponse<ProductV1Dto.ProductResponse> findProductById (Long id);
+    ApiResponse<ProductV1Dto.ProductResponse> findProductById(Long id);
 
     @Operation(summary = "상품 정렬 조회")
-    ApiResponse<List<ProductV1Dto.ProductResponse>> findProductsBySortCondition (ProductV1Dto.SearchProductRequest request);
+    ApiResponse<List<ProductV1Dto.ProductResponse>> findProductsBySortCondition(ProductV1Dto.SearchProductRequest request);
+
+    @Operation(summary = "상품 가격 변경")
+    ApiResponse<ProductV1Dto.ProductResponse> changePrice(ProductV1Dto.ChangePriceRequest request);
+
 }

apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductV1Controller.java

@@ -60,4 +60,14 @@ public ApiResponse<List<ProductV1Dto.ProductResponse>> findProductsBySortConditi
 
         return ApiResponse.success(responses);
     }
+
+    @PostMapping("/change")
+    @Override
+    public ApiResponse<ProductV1Dto.ProductResponse> changePrice(@RequestBody ProductV1Dto.ChangePriceRequest request) {
+        ProductInfo info = productFacade.changePrice(request);
+
+        ProductV1Dto.ProductResponse response = ProductV1Dto.ProductResponse.from(info);
+
+        return ApiResponse.success(response);
+    }
 }

apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductV1Dto.java

@@ -54,4 +54,7 @@ public void conditionValidate() {
             }
         }
     }
+
+    public record ChangePriceRequest(Long id, BigDecimal newPrice) {
+    }
 }