[CEEZ-33] 앨범 생성 API DTO 수정

src/main/java/com/cheeeese/album/application/AlbumService.java

@@ -64,7 +64,6 @@ public class AlbumService {
     private final AlbumExpirationRedisRepository albumExpirationRedisRepository;
     private final CdnUrlResolver cdnUrlResolver;
     private final AlbumReader albumReader;
-
     private final AlbumLogger albumLogger;
 
     @Transactional
@@ -87,6 +86,8 @@ public AlbumCreationResponse createAlbum(User user, AlbumCreationRequest request
                 true,
                 expiredAt
         );
+        boolean isFirst = !albumRepository.existsByMakerId(user.getId());
+
         albumRepository.save(album);
 
         userAlbumRepository.save(UserAlbumMapper.toEntity(
@@ -99,7 +100,8 @@ public AlbumCreationResponse createAlbum(User user, AlbumCreationRequest request
         albumExpirationRedisRepository.registerAlbum(album.getId(), expiredAt);
 
         albumLogger.logAlbumCreated(user.getId(), album.getCode(), request.participant());
-        return AlbumMapper.toCreationResponse(album);
+
+        return AlbumMapper.toCreationResponse(album, isFirst);
     }
 
     public AlbumInvitationResponse getInvitationInfo(String code) {

src/main/java/com/cheeeese/album/dto/response/AlbumCreationResponse.java

@@ -4,6 +4,7 @@
 import lombok.Builder;
 
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 
 @Builder
 @Schema(
@@ -12,6 +13,8 @@
                 "themeEmoji",
                 "title",
                 "eventDate",
+                "createdAt",
+                "isFirst",
                 "currentPhotoCnt",
                 "code"
         }
@@ -25,6 +28,12 @@
         @Schema(description = "행사 날짜", example = "2025.02.01")
         LocalDate eventDate,
 
+        @Schema(description = "앨범 생성일시", example = "2026-01-05T17:23:16.201417")
+        LocalDateTime createdAt,
+
+        @Schema(description = "해당 사용자가 최초로 생성한 앨범인지 여부", example = "true")
+        boolean isFirst,
+
         @Schema(description = "현재까지 업로드된 사진 수", example = "1")
         int currentPhotoCnt,
 

src/main/java/com/cheeeese/album/infrastructure/mapper/AlbumMapper.java

@@ -45,11 +45,13 @@ public static Album toEntity(
     /**
      * Album 생성 후, UUID Code 발급
      */
-    public static AlbumCreationResponse toCreationResponse(Album album) {
+    public static AlbumCreationResponse toCreationResponse(Album album, boolean isFirst) {
         return AlbumCreationResponse.builder()
                 .themeEmoji(album.getThemeEmoji())
                 .title(album.getTitle())
                 .eventDate(album.getEventDate())
+                .createdAt(album.getCreatedAt())
+                .isFirst(isFirst)
                 .currentPhotoCnt(album.getCurrentPhotoCount())
                 .code(album.getCode())
                 .build();

src/main/java/com/cheeeese/album/infrastructure/persistence/AlbumRepository.java

@@ -49,4 +49,5 @@ long countByUserAndCreatedAtBetween(
     @Query("SELECT a FROM Album a WHERE a.id = :id")
     Album findByIdForUpdate(@Param("id") Long id);
 
+    boolean existsByMakerId(Long makerId);
 }