#48 ✨ feat: 홈 맞춤뉴스 에러 추가

Author: kkshyun

src/main/java/com/finsight/finsight/domain/home/domain/service/HomeNewsService.java

@@ -19,6 +19,9 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.finsight.finsight.domain.home.exception.HomeException;
+import com.finsight.finsight.domain.home.exception.code.HomeErrorCode;
+
 import java.nio.charset.StandardCharsets;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -147,6 +150,16 @@ public HomeResponseDTO.PersonalizedNewsResponse getPersonalizedNews(Long userId,
         List<NaverArticleEntity> articles;
 
         if (category != null) {
+            // 사용자 관심 카테고리에 포함되는지 검증
+            boolean isUserCategory = userCategoryRepository.findByUserUserId(userId)
+                    .stream()
+                    .map(UserCategoryEntity::getSection)
+                    .anyMatch(section -> section == category);
+
+            if (!isUserCategory) {
+                throw new HomeException(HomeErrorCode.CATEGORY_NOT_IN_USER_INTEREST);
+            }
+
             // 특정 카테고리: 최신순 8개
             articles = naverArticleRepository.findTopLatestBySection(category, PERSONALIZED_NEWS_SIZE);
         } else {

src/main/java/com/finsight/finsight/domain/home/exception/HomeException.java

@@ -0,0 +1,10 @@
+package com.finsight.finsight.domain.home.exception;
+
+import com.finsight.finsight.global.exception.AppException;
+import com.finsight.finsight.global.exception.BaseErrorCode;
+
+public class HomeException extends AppException {
+    public HomeException(BaseErrorCode code) {
+        super(code);
+    }
+}

src/main/java/com/finsight/finsight/domain/home/exception/code/HomeErrorCode.java

@@ -0,0 +1,17 @@
+package com.finsight.finsight.domain.home.exception.code;
+
+import com.finsight.finsight.global.exception.BaseErrorCode;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@AllArgsConstructor
+public enum HomeErrorCode implements BaseErrorCode {
+
+    CATEGORY_NOT_IN_USER_INTEREST(HttpStatus.BAD_REQUEST, "사용자의 관심 카테고리에 포함되지 않은 카테고리입니다.", "HOME-001");
+
+    private final HttpStatus httpStatus;
+    private final String message;
+    private final String code;
+}

src/main/java/com/finsight/finsight/domain/home/presentation/HomeController.java

@@ -71,7 +71,8 @@ public ResponseEntity<DataResponse<HomeResponseDTO.PopularNewsResponse>> getPopu
     )
     @ApiResponses({
             @ApiResponse(responseCode = "200", description = "맞춤 뉴스 조회 성공"),
-            @ApiResponse(responseCode = "401", description = "접근 권한 없음(AUTH-011)")
+            @ApiResponse(responseCode = "401", description = "접근 권한 없음(AUTH-011)"),
+            @ApiResponse(responseCode = "400", description = "사용자 관심 카테고리가 아님(HOME-001)"),
     })
     @GetMapping("/news/personalized")
     public ResponseEntity<DataResponse<HomeResponseDTO.PersonalizedNewsResponse>> getPersonalizedNews(