[hotfix] 문항 못찾을 때 번호 로깅

Author: sejoon00

src/main/java/com/moplus/moplus_server/client/homefeed/dto/response/HomeFeedResponse.java

@@ -3,13 +3,19 @@
 import com.moplus.moplus_server.admin.problemset.dto.response.ProblemSetGetResponse;
 import com.moplus.moplus_server.admin.problemset.dto.response.ProblemSummaryResponse;
 import com.moplus.moplus_server.client.submit.domain.ProgressStatus;
+import com.moplus.moplus_server.global.error.exception.ErrorCode;
+import com.moplus.moplus_server.global.error.exception.NotFoundException;
 import java.time.LocalDate;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public record HomeFeedResponse(
         List<DailyProgressResponse> dailyProgresses,
         List<ProblemSetHomeFeedResponse> problemSets
 ) {
+    private static final Logger log = LoggerFactory.getLogger(HomeFeedResponse.class);
+
     public static HomeFeedResponse of(
             List<DailyProgressResponse> dailyProgresses,
             List<ProblemSetHomeFeedResponse> problemSets
@@ -36,12 +42,20 @@ public record ProblemSetHomeFeedResponse(
         public static ProblemSetHomeFeedResponse of(LocalDate date, Long publishId,
                                                     ProblemSetGetResponse problemSetGetResponse,
                                                     Long submitCount) {
+            ProblemSummaryResponse problemSummaryResponse = null;
+            try {
+                problemSummaryResponse = problemSetGetResponse.problemSummaries().get(0);
+            } catch (IndexOutOfBoundsException e) {
+                log.atError().log("id " + publishId + "번 발행에 속한 세트에 문항이 존재하지 않습니다. ");
+                throw new NotFoundException(ErrorCode.PROBLEM_NOT_FOUND,
+                        "id " + publishId + "번 발행에 속한 세트에 문항이 존재하지 않습니다. ");
+            }
             return new ProblemSetHomeFeedResponse(
                     date,
                     publishId,
                     problemSetGetResponse.title(),
                     submitCount,
-                    ProblemHomeFeedResponse.of(problemSetGetResponse.problemSummaries().get(0))
+                    ProblemHomeFeedResponse.of(problemSummaryResponse)
             );
         }
 

src/main/java/com/moplus/moplus_server/domain/problem/repository/ProblemRepository.java

@@ -25,7 +25,8 @@ default void existsByIdElseThrow(Long id) {
     Optional<Problem> findByIdWithFetchJoin(@Param("id") Long id);
 
     default Problem findByIdElseThrow(Long id) {
-        return findById(id).orElseThrow(() -> new NotFoundException(ErrorCode.PROBLEM_NOT_FOUND));
+        return findById(id).orElseThrow(
+                () -> new NotFoundException(ErrorCode.PROBLEM_NOT_FOUND, id + "번 문제가 존재하지 않습니다."));
     }
 
     default Problem findByIdWithFetchJoinElseThrow(Long id) {

src/main/java/com/moplus/moplus_server/global/error/exception/NotFoundException.java

@@ -1,6 +1,10 @@
 package com.moplus.moplus_server.global.error.exception;
 
-public class NotFoundException extends BusinessException{
+public class NotFoundException extends BusinessException {
+
+    public NotFoundException(ErrorCode errorCode, String message) {
+        super(message, errorCode);
+    }
 
     public NotFoundException(ErrorCode errorCode) {
         super(errorCode);