[BACKEND] 상품 카테고리 검색어 변경 (#117)

Author: ddoed

backend/src/main/java/com/cmg/comtogether/common/exception/ErrorCode.java

@@ -57,7 +57,10 @@ public enum ErrorCode {
     CERTIFICATION_ACCESS_DENIED(403, "CERTIFICATION-004", "해당 인증서에 대한 접근 권한이 없습니다."),
 
     // 업로드
-    INVALID_UPLOAD_TYPE(400,"UPLOAD-001", "올바르지 않은 업로드 타입입니다.");
+    INVALID_UPLOAD_TYPE(400,"UPLOAD-001", "올바르지 않은 업로드 타입입니다."),
+
+    // 상품
+    INVALID_PRODUCT_CATEGORY(400, "PRODUCT-001", "유효하지 않은 상품 카테고리입니다.");
 
 
     private final int status;

backend/src/main/java/com/cmg/comtogether/product/entity/ProductCategory.java

@@ -0,0 +1,36 @@
+package com.cmg.comtogether.product.entity;
+
+import com.cmg.comtogether.common.exception.BusinessException;
+import com.cmg.comtogether.common.exception.ErrorCode;
+import lombok.Getter;
+
+@Getter
+public enum ProductCategory {
+    CPU("CPU", "CPU"),
+    MAINBOARD("메인보드", "메인보드"),
+    RAM("RAM", "RAM"),
+    GRAPHICS_CARD("그래픽카드", "그래픽카드"),
+    STORAGE("저장장치", "SSD"),
+    POWER_SUPPLY("파워서플라이", "파워서플라이"),
+    CASE("케이스", "PC 케이스"),
+    COOLER("쿨러/팬", "CPU 쿨러"),
+    IO_DEVICE("기타 입출력 장치", "키보드 마우스 모니터 스피커");
+
+    private final String displayName;
+    private final String searchQuery;
+
+    ProductCategory(String displayName, String searchQuery) {
+        this.displayName = displayName;
+        this.searchQuery = searchQuery;
+    }
+
+    public static ProductCategory fromDisplayName(String displayName) {
+        for (ProductCategory category : values()) {
+            if (category.displayName.equals(displayName)) {
+                return category;
+            }
+        }
+        throw new BusinessException(ErrorCode.INVALID_PRODUCT_CATEGORY);
+    }
+}
+

backend/src/main/java/com/cmg/comtogether/product/service/ProductService.java

@@ -5,6 +5,7 @@
 import com.cmg.comtogether.common.exception.ErrorCode;
 import com.cmg.comtogether.interest.entity.Interest;
 import com.cmg.comtogether.product.dto.NaverProductResponseDto;
+import com.cmg.comtogether.product.entity.ProductCategory;
 import com.cmg.comtogether.user.entity.User;
 import com.cmg.comtogether.user.entity.UserInterest;
 import com.cmg.comtogether.user.repository.UserRepository;
@@ -21,8 +22,12 @@ public class ProductService {
     private final NaverProductService naverProductService;
 
     public NaverProductResponseDto searchProducts(String category, String query, int display, int start, String sort, String exclude) {
-        String searchQuery = category + " " + query;
-        NaverProductResponseDto result = naverProductService.getNaverProducts(searchQuery, display, start, sort, exclude);
+        ProductCategory productCategory;
+        productCategory = ProductCategory.fromDisplayName(category);
+        
+        String searchQuery = productCategory.getSearchQuery() + " " + query;
+        
+        NaverProductResponseDto result = naverProductService.getNaverProducts(searchQuery.trim(), display, start, sort, exclude);
         cacheMonitorService.printCacheStats("naverProducts");
         return result;
     }
@@ -31,12 +36,16 @@ public NaverProductResponseDto recommendProducts(Long userId, String category, S
         User user = userRepository.findByIdWithInterests(userId)
                 .orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
 
+        ProductCategory productCategory;
+        productCategory = ProductCategory.fromDisplayName(category);
+        
         String interestString = user.getInterests().stream()
                 .map(UserInterest::getInterest)
                 .map(Interest::getName)
                 .collect(Collectors.joining(" "));
-        String searchQuery = category + " " + interestString + query;
-        NaverProductResponseDto result = naverProductService.getNaverProducts(searchQuery, display, start, sort, exclude);
+        String searchQuery = productCategory.getSearchQuery() + " " + interestString + " " + query;
+        
+        NaverProductResponseDto result = naverProductService.getNaverProducts(searchQuery.trim(), display, start, sort, exclude);
         cacheMonitorService.printCacheStats("naverProducts");
         return result;
     }