#27 feat(product.service): 상품 검색 기능 작성

src/main/java/com/helpmeCookies/product/service/ProductService.java

@@ -5,7 +5,9 @@
 import com.helpmeCookies.product.entity.Product;
 import com.helpmeCookies.product.repository.ProductImageRepository;
 import com.helpmeCookies.product.repository.ProductRepository;
+import com.helpmeCookies.product.dto.ProductPage;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -15,6 +17,12 @@ public class ProductService {
     private final ProductRepository productRepository;
     private final ProductImageRepository productImageRepository;
 
+    @Transactional(readOnly = true)
+    public ProductPage.Paging getProductsByPage(String query, Pageable pageable) {
+        var productPage = productRepository.findByNameWithIdx(query, pageable);
+        return ProductPage.Paging.from(productPage);
+    }
+
     public Product save(ProductRequest productSaveRequest) {
         //TODO ArtistInfo 코드 병합시 수정 예정
         Product product = productSaveRequest.toEntity(null);

src/main/java/com/helpmeCookies/product/service/dto/ProductPage.java

@@ -0,0 +1,44 @@
+package com.helpmeCookies.product.service.dto;
+
+import com.helpmeCookies.product.repository.dto.ProductSearch;
+import java.util.List;
+import org.springframework.data.domain.Page;
+
+public class ProductPage {
+
+    public record Info(
+            Long id,
+            String name,
+            String artist,
+            Long price
+    ) {
+        public static Info from(ProductSearch productSearch) {
+            return new Info(
+                    productSearch.getId(),
+                    productSearch.getName(),
+                    productSearch.getArtist(),
+                    productSearch.getPrice()
+            );
+        }
+
+        public static List<Info> of(List<ProductSearch> content) {
+            return content.stream()
+                    .map(Info::from)
+                    .toList();
+        }
+    }
+
+    public record Paging (
+            boolean hasNext,
+            List<Info> products
+    ) {
+
+        public static Paging from(Page<ProductSearch> productPage) {
+            return new Paging(
+                    productPage.hasNext(),
+                    Info.of(productPage.getContent())
+            );
+        }
+    }
+
+}