Merge pull request #139 from Team-Umbba/fix/#138-album_api_modify

[FEAT] Album  API 추가 기능 구현

umbba-api/src/main/java/sopt/org/umbba/api/controller/album/AlbumController.java

@@ -1,6 +1,7 @@
 package sopt.org.umbba.api.controller.album;
 
 import static sopt.org.umbba.api.config.jwt.JwtProvider.*;
+import static sopt.org.umbba.api.service.album.AlbumService.*;
 import static sopt.org.umbba.common.exception.SuccessType.*;
 import static sopt.org.umbba.external.s3.S3BucketPrefix.*;
 
@@ -60,7 +61,9 @@ public ApiResponse<PreSignedUrlDto> getImgPreSignedUrl(@RequestBody final AlbumI
 	@ResponseStatus(HttpStatus.OK)
 	public ApiResponse deleteAlbum(@PathVariable final Long albumId, final Principal principal) {
 		String imgUrl = albumService.deleteAlbum(albumId, getUserFromPrincial(principal));
-		s3Service.deleteS3Image(imgUrl);
+		if (!imgUrl.equals(ALBUM_EXAMPLE)) {   // Example Album의 이미지는 삭제하지 X
+			s3Service.deleteS3Image(imgUrl);
+		}
 		return ApiResponse.success(DELETE_ALBUM_SUCCESS);
 	}
 

umbba-api/src/main/java/sopt/org/umbba/api/service/album/AlbumService.java

@@ -25,12 +25,23 @@ public class AlbumService {
 	private final AlbumRepository albumRepository;
 	private final UserRepository userRepository;
 
+	public static final String ALBUM_EXAMPLE = "example";
+
 	@Transactional
 	public Long createAlbum(final CreateAlbumRequestDto request, final String imgUrl, final Long userId) {
 
 		User user = getUserById(userId);
 		Parentchild parentchild = getParentchildByUser(user);
 
+		if (parentchild.isOverMaxAlbumLimit()) {
+			throw new CustomException(ErrorType.MAX_LIMIT_ALBUM_UPLOAD);
+		}
+
+		// 앨범을 처음 등록하는 경우
+		if (parentchild.getAlbumList().isEmpty() && !parentchild.isFirstAlbumUpload()) {
+			parentchild.updateFirstAlbumUpload();
+		}
+
 		Album album = Album.builder()
 			.title(request.getTitle())
 			.content(request.getContent())
@@ -50,6 +61,13 @@ public String deleteAlbum(final Long albumId, final Long userId) {
 
 		User user = getUserById(userId);
 		Parentchild parentchild = getParentchildByUser(user);
+
+		// Sample Album을 삭제할 경우
+		if (albumId.equals(0L)) {
+			parentchild.updateDeleteSampleAlbum();
+			return ALBUM_EXAMPLE;
+		}
+
 		Album album = getAlbumById(albumId);
 
 		album.deleteParentchild();
@@ -65,11 +83,21 @@ public List<AlbumResponseDto> getAlbumList(final Long userId) {
 		List<Album> albumList = albumRepository.findAllByParentchildOrderByCreatedAtDesc(
 			parentchild);
 
+		// Album을 아직 한번도 등록하지 않은 경우
+		if (albumList.isEmpty() && !parentchild.isFirstAlbumUpload() && !parentchild.isDeleteSampleAlbum()) {
+			return List.of(AlbumResponseDto.of(createAlbumExample()));
+		}
+
 		return albumList.stream()
 			.map(AlbumResponseDto::of)
 			.collect(Collectors.toList());
 	}
 
+	private Album createAlbumExample() {
+		return new Album(0L, "사진의 제목을 입력할 수 있어요", "사진에 대해 소개해요",
+			"imgUrl", "직성자");
+	}
+
 	private User getUserById(Long userId) {  // TODO userId -> Parentchild 한번에 가져오기
 		return userRepository.findById(userId).orElseThrow(
 			() -> new CustomException(ErrorType.INVALID_USER)

umbba-common/src/main/java/sopt/org/umbba/common/exception/ErrorType.java

@@ -105,6 +105,8 @@ public enum ErrorType {
      * 501 NOT_IMPLEMENTED
      */
     NEED_MORE_QUESTION(HttpStatus.NOT_IMPLEMENTED, "남은 질문이 없습니다. 질문을 추가해주세요."),
+    MAX_LIMIT_ALBUM_UPLOAD(HttpStatus.NOT_IMPLEMENTED, "한 부모자식마다 최대 15개의 업로드까지만 허용합니다."),
+
 
     ;
 

umbba-domain/src/main/java/sopt/org/umbba/domain/domain/album/Album.java

@@ -52,6 +52,14 @@ private Album(String title, String content, String imgUrl, String writer, Parent
 		this.parentchild = parentchild;
 	}
 
+	public Album(Long id, String title, String content, String imgUrl, String writer) {
+		this.id = id;
+		this.title = title;
+		this.content = content;
+		this.imgUrl = imgUrl;
+		this.writer = writer;
+	}
+
 	public void setParentchild(Parentchild parentchild) {
 		this.parentchild = parentchild;
 

umbba-domain/src/main/java/sopt/org/umbba/domain/domain/parentchild/Parentchild.java

@@ -112,6 +112,18 @@ public void changeParentOnboardingAnswerList(List<OnboardingAnswer> onboardingAn
 
     private boolean deleted = Boolean.FALSE;
 
+    private boolean isFirstAlbumUpload = false;
+
+    private boolean isDeleteSampleAlbum = false;
+
+    public void updateFirstAlbumUpload() {
+        this.isFirstAlbumUpload = true;
+    }
+    public void updateDeleteSampleAlbum() {
+        this.isDeleteSampleAlbum = true;
+    }
+
+
     public void setQna(QnA qnA) {
         if (qnaList.size() >= 7) {
             throw new CustomException(ErrorType.ALREADY_QNA_LIST_FULL);
@@ -136,4 +148,8 @@ public void deleteAlbum(Album album) {
         }
     }
 
+    public boolean isOverMaxAlbumLimit() {
+        return getAlbumList().size() >= 15;
+    }
+
 }