[FIX] 방문자 0인 시간대 채우는 로직 추가

src/main/java/cc/backend/admin/dashboard/service/DashboardService.java

@@ -14,6 +14,9 @@
 
 import java.time.format.DateTimeFormatter;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 @Service
 @RequiredArgsConstructor
@@ -36,11 +39,20 @@ public List<VisitResponseDTO.HourlyVisitorDTO> getHourlyVisits() {
 
         RunReportResponse response = betaAnalyticsDataClient.runReport(request);
 
-        return response.getRowsList().stream()
-                .map(row -> new VisitResponseDTO.HourlyVisitorDTO(
-                        row.getDimensionValues(0).getValue(),
-                        Long.parseLong(row.getMetricValues(0).getValue())
-                ))
+
+        Map<Integer, Long> hourMap = IntStream.range(0, 24)
+                .boxed()
+                .collect(Collectors.toMap(h -> h, h -> 0L));
+
+        response.getRowsList().forEach(row -> {
+            int hour = Integer.parseInt(row.getDimensionValues(0).getValue());
+            long count = Long.parseLong(row.getMetricValues(0).getValue());
+            hourMap.put(hour, count);
+        });
+
+        return hourMap.entrySet().stream()
+                .sorted(Map.Entry.comparingByKey())
+                .map(e -> new VisitResponseDTO.HourlyVisitorDTO(e.getKey(), e.getValue()))
                 .toList();
     }
 

src/main/java/cc/backend/image/entity/Image.java

@@ -32,7 +32,7 @@ public class Image {
     // S3 객체 키 (예: "board/1.png") - 삭제나 조회 시 필요(객체 url에서 버킷 url 뺀 나머지 = filepath + 파일이름)
     private String keyName;
 
-    // 정적인 컨텐츠 전용 URL (poster, notice, actor 이미지 전용)
+    // 정적인 컨텐츠 전용 URL (poster, notice, casting 이미지 전용)
     private String imageUrl;
 
     // 버킷 내 디렉토리 경로 (board, photoAlbum)

src/main/java/cc/backend/photoAlbum/service/PhotoAlbumServiceImpl.java

@@ -132,33 +132,50 @@ public PhotoAlbumResponseDTO.PerformerPhotoAlbumDTO getPhotoAlbumList(Long membe
         //다음 커서 설정
         List<PhotoAlbum> albums = albumPage.getContent();
 
-        // 대표 이미지 가져오기
+        // 사진첩 id 추출
         List<Long> albumIds = albums.stream()
                 .map(PhotoAlbum::getId)
                 .toList();
 
-        Map<Long, Image> albumImageMap = imageRepository.findFirstByContentIds(albumIds, FilePath.photoAlbum)
-                .stream()
-                .collect(Collectors.toMap(Image::getContentId, Function.identity()));
-
+        // 대표 이미지 가져오기
+        Map<Long, Image> albumImageMap =
+                imageRepository.findFirstByContentIds(albumIds, FilePath.photoAlbum)
+                        .stream()
+                        .collect(Collectors.toMap(
+                                Image::getContentId,
+                                Function.identity(),
+                                (a, b) -> a
+                        ));
+
+
+        Map<Long, ImageResponseDTO.ImageResultWithPresignedUrlDTO> imageDtoMap =
+                albumImageMap.isEmpty()
+                        ? Collections.emptyMap()
+                        : imageService.getImages(
+                                albumImageMap.values().stream().toList(),
+                                memberId
+                        )
+                        .stream()
+                        .collect(Collectors.toMap(
+                                ImageResponseDTO.ImageResultWithPresignedUrlDTO::getContentId,
+                                Function.identity(),
+                                (a, b) -> a
+                        ));
 
         // DTO 변환
-        List<PhotoAlbumResponseDTO.SinglePhotoAlbumDTO> singlePhotoAlbumDTOs = albums.stream()
-                .map(album -> {
-                    Image coverImage = albumImageMap.get(album.getId());
-                    return PhotoAlbumResponseDTO.SinglePhotoAlbumDTO.builder()
-                            .photoAlbumId(album.getId())
-                            .amateurShowName(album.getAmateurShow().getName())
-                            .performerName(performer.getName())
-                            .detailAddress(album.getAmateurShow().getDetailAddress())
-                            .imageResultWithPresignedUrlDTO(
-                                    coverImage != null
-                                            ? imageService.getImages(List.of(coverImage), memberId).get(0)
-                                            : null
-                            )
-                            .build();
-                })
-                .toList();
+        List<PhotoAlbumResponseDTO.SinglePhotoAlbumDTO> singlePhotoAlbumDTOs =
+                albums.stream()
+                        .map(album -> PhotoAlbumResponseDTO.SinglePhotoAlbumDTO.builder()
+                                .photoAlbumId(album.getId())
+                                .amateurShowName(album.getAmateurShow().getName())
+                                .performerName(performer.getName())
+                                .detailAddress(album.getAmateurShow().getDetailAddress())
+                                .imageResultWithPresignedUrlDTO(
+                                        imageDtoMap.get(album.getId())
+                                )
+                                .build()
+                        )
+                        .toList();
 
         boolean hasNext = albumPage.hasNext();
         Integer nextPage = hasNext ? page + 1 : null;