feat: 기획전 소제목 추가

src/main/java/com/promesa/promesa/domain/exhibition/application/ExhibitionService.java

@@ -7,7 +7,6 @@
 import com.promesa.promesa.domain.artist.exception.ArtistNotFoundException;
 import com.promesa.promesa.domain.exhibition.domain.*;
 import com.promesa.promesa.domain.exhibition.dto.request.AddExhibitionRequest;
-import com.promesa.promesa.domain.exhibition.dto.request.ExhibitionImageRequest;
 import com.promesa.promesa.domain.exhibition.dto.request.UpdateExhibitionRequest;
 import com.promesa.promesa.domain.exhibition.dto.response.*;
 import com.promesa.promesa.domain.exhibition.exception.DuplicateExhibitionTitleException;
@@ -83,22 +82,6 @@ public ExhibitionDetailResponse getExhibitionInfo(Member member, Long exhibition
         return response;
     }
 
-    /**
-     * 현재 진행 중인 기획전 조회 : 이미지는 presignedUrl로 반환
-     * @return
-     */
-    public List<ExhibitionSummary> getOngoingExhibitions() {
-        List<Exhibition> ongoing = exhibitionRepository.findAllByStatus(ExhibitionStatus.ONGOING);
-
-        return ongoing.stream()
-                .map(exhibition -> {
-                    String imageUrl = s3Service.createPresignedGetUrl(bucketName, exhibition.getThumbnailImageKey());
-                    List<String> artistNames = exhibitionQueryRepository.findArtistNames(exhibition.getId());
-                    return ExhibitionSummary.of(exhibition, artistNames, imageUrl);
-                })
-                .toList();
-    }
-
     /**
      * 작가가 참여한 기획전을 조회
      * @param artistId
@@ -160,6 +143,7 @@ public String createExhibition(@Valid AddExhibitionRequest request) {
 
         Exhibition  newExhibition = Exhibition.builder()
                 .title(request.title())
+                .subtitle(request.subTitle())
                 .description(request.description())
                 .startDate(startDate)
                 .endDate(endDate)
@@ -193,6 +177,7 @@ public String updateExhibition(Long exhibitionId, @Valid UpdateExhibitionRequest
         }
 
         exhibition.setTitle(request.title());
+        exhibition.setSubtitle(request.subTitle());
         exhibition.setDescription(request.description());
         exhibition.setStartDate(request.startDate());
         exhibition.setEndDate(request.endDate());

src/main/java/com/promesa/promesa/domain/exhibition/domain/Exhibition.java

@@ -28,6 +28,8 @@ public class Exhibition extends BaseTimeEntity {
     @Column(nullable = false)
     private String title;
 
+    private String subtitle;
+
     @NotBlank
     @Column(nullable = false)
     private String description;
@@ -74,8 +76,9 @@ public List<ExhibitionImage> getDetailImages() {
     }
 
     @Builder
-    public Exhibition(String title, String description, LocalDate startDate, LocalDate endDate, ExhibitionStatus status) {
+    public Exhibition(String title, String subtitle, String description, LocalDate startDate, LocalDate endDate, ExhibitionStatus status) {
         this.title = title;
+        this.subtitle = subtitle;
         this.description = description;
         this.startDate = startDate;
         this.endDate = endDate;
@@ -104,6 +107,13 @@ public void setTitle(String title) {
         this.title = title;
     }
 
+    public void setSubtitle(String subTitle) {
+        if (subTitle == null || subTitle.isBlank()) {
+            throw ValidationException.EXCEPTION;
+        }
+        this.subtitle = subTitle;
+    }
+
     public void setDescription(String description) {
         if (description == null || description.isBlank()) {
             throw ValidationException.EXCEPTION;

src/main/java/com/promesa/promesa/domain/exhibition/dto/request/AddExhibitionRequest.java

@@ -12,6 +12,9 @@ public record AddExhibitionRequest(
         @NotBlank(message = "제목은 필수입니다")
         String title,
 
+        @NotBlank(message = "소제목은 필수입니다")
+        String subTitle,
+
         @NotBlank(message = "설명은 필수입니다")
         String description,
 

src/main/java/com/promesa/promesa/domain/exhibition/dto/request/UpdateExhibitionRequest.java

@@ -12,6 +12,9 @@ public record UpdateExhibitionRequest(
         @NotBlank(message = "제목은 필수입니다")
         String title,
 
+        @NotBlank(message = "소제목은 필수입니다")
+        String subTitle,
+
         @NotBlank(message = "설명은 필수입니다")
         String description,
 

src/main/java/com/promesa/promesa/domain/exhibition/dto/response/ExhibitionSummary.java

@@ -1,6 +1,5 @@
 package com.promesa.promesa.domain.exhibition.dto.response;
 
-import com.promesa.promesa.common.application.S3Service;
 import com.promesa.promesa.domain.exhibition.domain.Exhibition;
 import com.promesa.promesa.domain.exhibition.domain.ExhibitionStatus;
 
@@ -12,6 +11,7 @@ public record ExhibitionSummary(
         Long id,
         ExhibitionStatus status,
         String title,
+        String subTitle,
         String description,
         List<String> artistNames,    // 참여한 작가 목록
         LocalDate startDate,
@@ -26,6 +26,7 @@ public static ExhibitionSummary of(Exhibition exhibition, List<String> artistNam
                 exhibition.getId(),
                 exhibition.getStatus(),
                 exhibition.getTitle(),
+                exhibition.getSubtitle(),
                 exhibition.getDescription(),
                 artistNames,
                 exhibition.getStartDate(),

src/main/resources/data-local.sql

@@ -509,22 +509,23 @@ INSERT INTO exhibition (
     updated_at,
     description,
     title,
+    subtitle,
     exhibition_status,
     start_date,
     end_date
 ) VALUES
       (1, CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP(),
-       '따뜻한 봄 작품들', '봄 기획전',
+       '따뜻한 봄 작품들', '봄 기획전', '봄은 따뜻',
        'PAST',     '2025-03-20', '2025-04-20'),
       (2, CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP(),
-       '무더운 여름 작품들', '여름 기획전',
+       '무더운 여름 작품들', '여름 기획전', '여름은 무덥',
        'ONGOING',  '2025-06-20', '2025-07-20'),
       (3, CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP(),
-       '상큼한 토마토가 좋아', '토마토 기획전',
+       '상큼한 토마토가 좋아', '토마토 기획전', '멋쟁이 토마토',
        'UPCOMING', '2025-12-20', NULL),
       (4, CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP(),
        '현대적인 감각과 기능성이 돋보이는 모연도예 작가님의 예술 철학을 다양한 작품과 함게 살펴보세요.',
-       '작품 가이드 Ep.01\n모언도예_차도구 소개',
+       '작품 가이드 Ep.01', '모언도예_차도구 소개',
        'PERMANENT','2025-07-29', NULL);
 
 -- 2) EXHIBITION_IMAGE 테이블: 썸네일(is_thumbnail=1)과 상세 이미지(is_thumbnail=0)로 분리