feat: 상품 상세 조회시 상품 순위 함께 반환

Author: adminhelper

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

@@ -3,6 +3,7 @@
 import com.loopers.application.product.ProductDetailInfo;
 import com.loopers.application.product.ProductFacade;
 import com.loopers.application.product.ProductInfo;
+import com.loopers.application.ranking.RankingFacade;
 import com.loopers.interfaces.api.ApiResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Page;
@@ -15,6 +16,7 @@
 public class ProductV1Controller implements ProductV1ApiSpec {
 
     private final ProductFacade productFacade;
+    private final RankingFacade rankingFacade;
 
     @Override
     @GetMapping
@@ -31,7 +33,9 @@ public ApiResponse<ProductV1Dto.ProductResponse> getProducts(@RequestParam(requi
     public ApiResponse<ProductV1Dto.ProductDetailResponse> getProduct(@PathVariable Long productId) {
 
         ProductDetailInfo product = productFacade.getProduct(productId);
-        ProductV1Dto.ProductDetailResponse response = ProductV1Dto.ProductDetailResponse.from(product);
+        rankingFacade.recordView(productId);
+        Long rank = rankingFacade.findRank(productId, null);
+        ProductV1Dto.ProductDetailResponse response = ProductV1Dto.ProductDetailResponse.from(product, rank);
         return ApiResponse.success(response);
     }
 }

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

@@ -53,15 +53,17 @@ public record ProductDetailResponse(
             String productName,
             String brandName,
             Long price,
-            Long likeCount
+            Long likeCount,
+            Long rank
     ) {
-        public static ProductDetailResponse from(ProductDetailInfo productDetailInfo) {
+        public static ProductDetailResponse from(ProductDetailInfo productDetailInfo, Long rank) {
             return new ProductDetailResponse(
                     productDetailInfo.id(),
                     productDetailInfo.name(),
                     productDetailInfo.brandName(),
                     productDetailInfo.price(),
-                    productDetailInfo.likeCount()
+                    productDetailInfo.likeCount(),
+                    rank
             );
         }
     }