Merge pull request #56 from IT-Cotato/feat/53-post-draft

[FEATURE] 임시 저장 기능 구현 (이어서 작성 기능은 구현 필요)

src/main/java/com/cotato/kampus/domain/auth/api/AuthController.java

@@ -7,7 +7,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.cotato.kampus.domain.auth.applicaon.AuthService;
+import com.cotato.kampus.domain.auth.application.AuthService;
 import com.cotato.kampus.domain.auth.dto.request.SignupRequest;
 import com.cotato.kampus.domain.auth.dto.response.SignupResponse;
 import com.cotato.kampus.global.common.dto.DataResponse;

src/main/java/com/cotato/kampus/domain/auth/applicaon/AuthService.java → src/main/java/com/cotato/kampus/domain/auth/application/AuthService.java

@@ -1,4 +1,4 @@
-package com.cotato.kampus.domain.auth.applicaon;
+package com.cotato.kampus.domain.auth.application;
 
 import org.springframework.stereotype.Service;
 

src/main/java/com/cotato/kampus/domain/auth/applicaon/RefreshService.java → src/main/java/com/cotato/kampus/domain/auth/application/RefreshService.java

@@ -1,4 +1,4 @@
-package com.cotato.kampus.domain.auth.applicaon;
+package com.cotato.kampus.domain.auth.application;
 
 import java.util.Date;
 import java.util.HashMap;

src/main/java/com/cotato/kampus/domain/common/application/ImageValidator.java

@@ -15,10 +15,6 @@
 public class ImageValidator {
 
 	public List<MultipartFile> filterValidImages(List<MultipartFile> images) {
-		if (images == null) {
-			return List.of(); // null인 경우 빈 리스트 반환
-		}
-
 		return images.stream()
 			.filter(image -> image != null && image.getOriginalFilename() != null && !image.getOriginalFilename().isEmpty())
 			.toList();

src/main/java/com/cotato/kampus/domain/post/api/PostController.java

@@ -10,24 +10,30 @@
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.cotato.kampus.domain.post.application.PostService;
+import com.cotato.kampus.domain.post.dto.request.DraftDeleteRequest;
 import com.cotato.kampus.domain.post.dto.request.PostCreateRequest;
+import com.cotato.kampus.domain.post.dto.request.PostDraftRequest;
 import com.cotato.kampus.domain.post.dto.request.PostUpdateRequest;
 import com.cotato.kampus.domain.post.dto.response.MyPostResponse;
 import com.cotato.kampus.domain.post.dto.response.PostCreateResponse;
 import com.cotato.kampus.domain.post.dto.response.PostDeleteResponse;
 import com.cotato.kampus.domain.post.dto.response.PostDetailResponse;
+import com.cotato.kampus.domain.post.dto.response.PostDraftSliceFindResponse;
+import com.cotato.kampus.domain.post.dto.response.PostDraftCreateResponse;
 import com.cotato.kampus.domain.post.dto.response.PostSliceFindResponse;
 import com.cotato.kampus.global.common.dto.DataResponse;
 import com.cotato.kampus.global.error.exception.ImageException;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Valid;
 import lombok.AccessLevel;
 import lombok.RequiredArgsConstructor;
 
@@ -40,7 +46,7 @@ public class PostController {
 	private final PostService postService;
 
 	@PostMapping(value = "", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
-	@Operation(summary = "게시글 생성", description = "게시글 생성 요청입니다.")
+	@Operation(summary = "게시글 생성", description = "게시글 생성 요청입니다. 사진이 없는 경우 빈 값('')을 보내지 말고, 해당 필드를 생략하거나 값을 보내지 않도록 해주세요.")
 	public ResponseEntity<DataResponse<PostCreateResponse>> createPost(
 		@Parameter(description = "Post creation request")
 		@ModelAttribute PostCreateRequest request) throws ImageException {
@@ -52,7 +58,7 @@ public ResponseEntity<DataResponse<PostCreateResponse>> createPost(
 					request.content(),
 					request.postCategory(),
 					request.anonymity(),
-					request.images()
+					request.images() == null ? List.of() : request.images()
 				)
 			)
 		));
@@ -108,7 +114,58 @@ public ResponseEntity<DataResponse<Void>> updatePost(
 		postService.updatePost(postId, request.title(), request.content(), request.postCategory(), request.anonymity(),
 			request.images() == null ? List.of() : request.images()); // 이미지 없는 경우 빈 리스트로 요청
 		return ResponseEntity.ok(DataResponse.ok());
-  }
+  	}
+
+	@PostMapping(value = "/draft", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+	@Operation(summary = "게시글 임시 저장", description = "게시글을 임시 저장합니다. boardId는 필수 값입니다. 사진이 없는 경우 빈 값('')을 보내지 말고, 해당 필드를 생략하거나 값을 보내지 않도록 해주세요.")
+	public ResponseEntity<DataResponse<PostDraftCreateResponse>> draftPost(
+		@Parameter(description = "Post creation request")
+		@Valid @ModelAttribute PostDraftRequest request) throws ImageException {
+		return ResponseEntity.ok(DataResponse.from(
+			PostDraftCreateResponse.of(
+				postService.draftPost(
+					request.boardId(),
+					request.title(),
+					request.content(),
+					request.postCategory(),
+					request.images() == null ? List.of() : request.images()
+				)
+			)
+		));
+	}
+
+	@GetMapping(value = "/boards/{boardId}/draft")
+	@Operation(summary = "임시 저장글 리스트 조회", description = "해당 게시판의 임시 저장글을 최신순으로 조회합니다.")
+	public ResponseEntity<DataResponse<PostDraftSliceFindResponse>> findDraftPost(
+		@PathVariable Long boardId,
+		@RequestParam(required = false, defaultValue = "0") int page
+	){
+			return ResponseEntity.ok(DataResponse.from(
+				PostDraftSliceFindResponse.from(
+					postService.findPostDrafts(boardId, page)
+				)
+			)
+		);
+	}
+
+	@DeleteMapping(value = "/draft")
+	@Operation(summary = "임시 저장 게시글 선택 삭제", description = "선택된 임시 저장글들을 삭제합니다.")
+	public ResponseEntity<DataResponse<Void>> deleteDraftPost(
+		@RequestBody DraftDeleteRequest request
+	){
+		postService.deleteDraftPosts(request.draftPostIds());
+		return ResponseEntity.ok(DataResponse.ok());
+	}
+
+
+	@DeleteMapping(value = "boards/{boardId}/draft")
+	@Operation(summary = "임시 저장 게시글 전체 삭제", description = "특정 게시판의 모든 임시 저장글을 삭제합니다.")
+	public ResponseEntity<DataResponse<Void>> deleteAllDraftPost(
+		@PathVariable Long boardId
+	){
+		postService.deleteAllDraftPost(boardId);
+		return ResponseEntity.ok(DataResponse.ok());
+	}
 
 	@GetMapping("/my")
 	@Operation(summary = "[마이페이지] 내가 쓴 게시글 조회", description = "현재 사용자가 작성한 게시글을 최신순으로 조회합니다.")

src/main/java/com/cotato/kampus/domain/post/application/PostAppender.java

@@ -5,6 +5,8 @@
 
 import com.cotato.kampus.domain.common.application.ApiUserResolver;
 import com.cotato.kampus.domain.common.enums.Anonymity;
+import com.cotato.kampus.domain.post.dao.PostDraftRepository;
+import com.cotato.kampus.domain.post.domain.PostDraft;
 import com.cotato.kampus.domain.post.enums.PostCategory;
 import com.cotato.kampus.domain.post.enums.PostStatus;
 import com.cotato.kampus.domain.post.dao.PostRepository;
@@ -20,6 +22,7 @@ public class PostAppender {
 
 	private final ApiUserResolver apiUserResolver;
 	private final PostRepository postRepository;
+	private final PostDraftRepository postDraftRepository;
 
 	@Transactional
 	public Long append(
@@ -39,6 +42,7 @@ public Long append(
 			.content(content)
 			.likes(0L)
 			.scraps(0L)
+			.comments(0L)
 			.anonymity(anonymity)
 			.postStatus(PostStatus.PUBLISHED)
 			.postCategory(postCategory)
@@ -47,4 +51,24 @@ public Long append(
 
 		return postRepository.save(post).getId();
 	}
+
+	@Transactional
+	public Long draft(
+		Long boardId,
+		String title,
+		String content,
+		PostCategory postCategory
+	){
+		Long userId = apiUserResolver.getUserId();
+
+		PostDraft postDraft = PostDraft.builder()
+			.userId(userId)
+			.boardId(boardId)
+			.title(title)
+			.content(content)
+			.postCategory(postCategory)
+			.build();
+
+		return postDraftRepository.save(postDraft).getId();
+	}
 }

src/main/java/com/cotato/kampus/domain/post/application/PostAuthorResolver.java

@@ -5,6 +5,7 @@
 
 import com.cotato.kampus.domain.common.application.ApiUserResolver;
 import com.cotato.kampus.domain.common.enums.Anonymity;
+import com.cotato.kampus.domain.post.domain.Post;
 import com.cotato.kampus.domain.post.dto.AnonymousOrPostAuthor;
 import com.cotato.kampus.domain.post.dto.PostDto;
 import com.cotato.kampus.domain.user.dao.UserRepository;
@@ -40,10 +41,4 @@ public AnonymousOrPostAuthor getAuthor(PostDto postDto) {
 				author.getProfileImage());
 		}
 	}
-
-	public Boolean validatePostAuthor(Long postId, Long userId) {
-		PostDto post = postFinder.findPost(postId);
-
-		return post.userId().equals(userId);
-	}
 }

src/main/java/com/cotato/kampus/domain/post/application/PostDeleter.java

@@ -1,10 +1,16 @@
 package com.cotato.kampus.domain.post.application;
 
+import java.util.List;
+
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.cotato.kampus.domain.post.dao.PostDraftRepository;
 import com.cotato.kampus.domain.post.dao.PostRepository;
 import com.cotato.kampus.domain.post.domain.Post;
+import com.cotato.kampus.domain.post.domain.PostDraft;
+import com.cotato.kampus.global.error.ErrorCode;
+import com.cotato.kampus.global.error.exception.AppException;
 
 import lombok.AccessLevel;
 import lombok.RequiredArgsConstructor;
@@ -15,9 +21,18 @@
 public class PostDeleter {
 	private final PostRepository postRepository;
 	private final PostFinder postFinder;
+	private final PostDraftRepository postDraftRepository;
 
 	public void delete(Long postId){
 		Post post = postFinder.getPost(postId);
 		postRepository.delete(post);
 	}
+
+	public void deleteDraftAll(List<Long> postDraftIds){
+		// 임시 저장글 조회
+		List<PostDraft> drafts = postFinder.findPostDrafts(postDraftIds);
+
+		// 일괄 삭제
+		postDraftRepository.deleteAll(drafts);
+	}
 }

src/main/java/com/cotato/kampus/domain/post/application/PostFinder.java

@@ -1,26 +1,28 @@
 package com.cotato.kampus.domain.post.application;
 
-import java.util.ArrayList;
 import java.util.List;
 
-import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Slice;
 import org.springframework.data.domain.Sort;
-import org.springframework.security.core.parameters.P;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
 import com.cotato.kampus.domain.board.application.BoardFinder;
 import com.cotato.kampus.domain.common.application.ApiUserResolver;
+import com.cotato.kampus.domain.post.dao.PostDraftPhotoRepository;
+import com.cotato.kampus.domain.post.dao.PostDraftRepository;
 import com.cotato.kampus.domain.post.dao.PostPhotoRepository;
 import com.cotato.kampus.domain.post.dao.PostRepository;
 import com.cotato.kampus.domain.post.dao.PostScrapRepository;
 import com.cotato.kampus.domain.post.domain.Post;
+import com.cotato.kampus.domain.post.domain.PostDraft;
+import com.cotato.kampus.domain.post.domain.PostDraftPhoto;
 import com.cotato.kampus.domain.post.domain.PostPhoto;
 import com.cotato.kampus.domain.post.domain.PostScrap;
 import com.cotato.kampus.domain.post.dto.MyPostWithPhoto;
 import com.cotato.kampus.domain.post.dto.PostDto;
 import com.cotato.kampus.domain.post.dto.PostWithPhotos;
+import com.cotato.kampus.domain.post.dto.PostDraftWithPhoto;
 import com.cotato.kampus.global.common.dto.CustomPageRequest;
 import com.cotato.kampus.global.error.ErrorCode;
 import com.cotato.kampus.global.error.exception.AppException;
@@ -35,11 +37,13 @@ public class PostFinder {
 
 	private final PostRepository postRepository;
 	private final PostPhotoRepository postPhotoRepository;
+	private final PostDraftRepository postDraftRepository;
 	private static final Integer PAGE_SIZE = 10;
 	public static final String SORT_PROPERTY = "createdTime";
 	private final ApiUserResolver apiUserResolver;
 	private final BoardFinder boardFinder;
 	private final PostScrapRepository postScrapRepository;
+	private final PostDraftPhotoRepository postDraftPhotoRepository;
 
 	public Post getPost(Long postId) {
 		return postRepository.findById(postId)
@@ -107,4 +111,43 @@ public Slice<MyPostWithPhoto> findUserScrapedPosts(int page){
 			return MyPostWithPhoto.from(post, boardName, postPhoto);
 		});
 	}
+
+	public Slice<PostDraftWithPhoto> findPostDrafts(Long boardId, Long userId, int page){
+
+		CustomPageRequest customPageRequest = new CustomPageRequest(page, PAGE_SIZE, Sort.Direction.DESC);
+		Slice<PostDraft> postDrafts = postDraftRepository.findAllByBoardIdAndUserIdOrderByCreatedTimeDesc(
+			boardId,
+			userId,
+			customPageRequest.of(SORT_PROPERTY)
+		);
+
+		return postDrafts.map(postDraft -> {
+			PostDraftPhoto postDraftPhoto = postDraftPhotoRepository.findFirstByPostDraftIdOrderByCreatedTimeDesc(postDraft.getId())
+				.orElse(null);
+			return PostDraftWithPhoto.from(postDraft, postDraftPhoto);
+		});
+	}
+
+	public PostDraft findPostDraft(Long postDraftId) {
+		return postDraftRepository.findById(postDraftId)
+			.orElseThrow(() -> new AppException(ErrorCode.POST_NOT_FOUND));
+	}
+
+	public List<PostDraft> findPostDrafts(List<Long> postDraftIds){
+		List<PostDraft> drafts = postDraftRepository.findAllById(postDraftIds);
+
+		if (drafts.size() != postDraftIds.size()) {
+			throw new AppException(ErrorCode.POST_NOT_FOUND);
+		}
+
+		return drafts;
+	}
+
+	public List<Long> getPostDraftIdsByBoardAndUser(Long boardId, Long userId){
+		List<PostDraft> postDrafts = postDraftRepository.findAllByBoardIdAndUserId(boardId, userId);
+
+		return postDrafts.stream()
+			.map(PostDraft::getId)
+			.toList();
+	}
 }

src/main/java/com/cotato/kampus/domain/post/application/PostImageAppender.java

@@ -5,7 +5,9 @@
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.cotato.kampus.domain.post.dao.PostDraftPhotoRepository;
 import com.cotato.kampus.domain.post.dao.PostPhotoRepository;
+import com.cotato.kampus.domain.post.domain.PostDraftPhoto;
 import com.cotato.kampus.domain.post.domain.PostPhoto;
 
 import lombok.AccessLevel;
@@ -17,6 +19,7 @@
 public class PostImageAppender {
 
 	private final PostPhotoRepository postPhotoRepository;
+	private final PostDraftPhotoRepository postDraftPhotoRepository;
 
 	@Transactional
 	public void appendAll(Long postId, List<String> imageUrls){
@@ -29,4 +32,16 @@ public void appendAll(Long postId, List<String> imageUrls){
 				postPhotoRepository.save(postPhoto);
 			});
 	}
+
+	@Transactional
+	public void appendAllDraftImage(Long postDraftId, List<String> imageUrls){
+		imageUrls.forEach(imageUrl -> {
+			PostDraftPhoto postDraftPhoto = PostDraftPhoto.builder()
+				.postDraftId(postDraftId)
+				.photoUrl(imageUrl)
+				.build();
+
+			postDraftPhotoRepository.save(postDraftPhoto);
+		});
+	}
 }

src/main/java/com/cotato/kampus/domain/post/application/PostImageDeleter.java

@@ -0,0 +1,23 @@
+package com.cotato.kampus.domain.post.application;
+
+import java.util.List;
+
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.cotato.kampus.domain.post.dao.PostDraftPhotoRepository;
+
+import lombok.AccessLevel;
+import lombok.RequiredArgsConstructor;
+
+@Component
+@Transactional(readOnly = true)
+@RequiredArgsConstructor(access = AccessLevel.PROTECTED)
+public class PostImageDeleter {
+
+	private final PostDraftPhotoRepository postDraftPhotoRepository;
+
+	public void deleteAll(List<String> imageUrls){
+		postDraftPhotoRepository.deleteByPhotoUrlIn(imageUrls);
+	}
+}