Merge pull request #46 from ssu-student-union/feat/45-post

[feat] : 게시판 조회 별 dto 반환 로직 구현

src/main/generated/ussum/homepage/infra/jpa/post/entity/QPostEntity.java

@@ -37,6 +37,8 @@ public class QPostEntity extends EntityPathBase<PostEntity> {
 
     public final DateTimePath<java.time.LocalDateTime> lastEditedAt = createDateTime("lastEditedAt", java.time.LocalDateTime.class);
 
+    public final EnumPath<Status> status = createEnum("status", Status.class);
+
     public final StringPath thumbnailImage = createString("thumbnailImage");
 
     public final StringPath title = createString("title");

src/main/java/ussum/homepage/application/post/controller/PostManageController.java

@@ -0,0 +1,27 @@
+package ussum.homepage.application.post.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ussum.homepage.application.post.service.PostManageService;
+import ussum.homepage.application.post.service.PostService;
+import ussum.homepage.application.post.service.dto.response.PostListResponse;
+import ussum.homepage.global.ApiResponse;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/board")
+public class PostManageController {
+
+    private final PostManageService postManageService;
+
+    @GetMapping("/{boardCode}/posts")
+    public ResponseEntity<ApiResponse<?>> getBoardPostsList(@RequestParam(value = "page", defaultValue = "0") int page, @RequestParam(value = "take") int take,
+                                                            @PathVariable(name = "boardCode") String boardCode) {
+
+//        PostListResponse postList = postService.getPostList(PageRequest.of(page, take, Sort.by("id").descending()), boardCode);
+        return ApiResponse.success(postManageService.getPostList(page, take, boardCode));
+    }
+}

src/main/java/ussum/homepage/application/post/service/PostManageService.java

@@ -0,0 +1,143 @@
+package ussum.homepage.application.post.service;
+
+import jakarta.persistence.EntityNotFoundException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+import ussum.homepage.application.post.service.dto.response.postList.*;
+import ussum.homepage.domain.post.Board;
+import ussum.homepage.domain.post.Post;
+import ussum.homepage.domain.post.service.BoardReader;
+import ussum.homepage.domain.post.service.PostReader;
+import ussum.homepage.domain.postlike.service.PostReactionReader;
+import ussum.homepage.global.common.PageInfo;
+
+import java.util.List;
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+import static ussum.homepage.global.error.status.ErrorStatus.POST_NOT_FOUND;
+
+@Service
+@RequiredArgsConstructor
+public class PostManageService {
+
+    private final BoardReader boardReader;
+    private final PostReader postReader;
+    private final PostReactionReader postReactionReader;
+
+    private final Map<String, BiFunction<Post, Integer, ? extends PostListResDto>> postResponseMap = Map.of(
+            "공지사항게시판", (post, ignored) -> NoticePostResponse.of(post),
+            "분실물게시판", (post, ignored) -> LostPostResponse.of(post),
+            "제휴게시판", (post, ignored) -> PartnerPostResponse.of(post),
+            "감사기구게시판", (post, ignored) -> AuditPostResponseDto.of(post),
+            "청원게시판", PetitionPostResponse::of
+    );
+
+    public PostListRes<?> getPostList(int page, int take, String boardCode) {
+        Board board = boardReader.getBoardWithBoardCode(boardCode);
+        Pageable pageable = PageInfo.of(page, take);
+        Page<Post> postList = postReader.getPostListByBoardId(board.getId(), pageable);
+        PageInfo pageInfo = PageInfo.of(postList);
+
+        BiFunction<Post, Integer, ? extends PostListResDto> responseFunction = postResponseMap.get(board.getName());
+
+        if (responseFunction == null) {
+            throw new IllegalArgumentException("Unknown board type: " + board.getName());
+        }
+
+        List<? extends PostListResDto> responseList = postList.getContent().stream()
+                .map(post -> {
+                    if (board.getName().equals("청원게시판")) {
+                        Integer likeCount = postReactionReader.countPostReactionsByType(post.getId(), "like");
+                        return responseFunction.apply(post, likeCount);
+                    } else {
+                        return responseFunction.apply(post, null);
+                    }
+                })
+                .toList();
+
+        return PostListRes.of(responseList, pageInfo);
+    }
+}
+//스위치 사용 로직
+/*
+package ussum.homepage.application.post.service;
+
+import jakarta.persistence.EntityNotFoundException;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+import ussum.homepage.application.post.service.dto.response.postList.*;
+import ussum.homepage.domain.post.Board;
+import ussum.homepage.domain.post.Post;
+import ussum.homepage.domain.post.service.BoardReader;
+import ussum.homepage.domain.post.service.PostReader;
+import ussum.homepage.global.common.PageInfo;
+
+import java.util.List;
+
+import static ussum.homepage.global.error.status.ErrorStatus.POST_NOT_FOUND;
+
+@Service
+@RequiredArgsConstructor
+public class PostManageService {
+
+    private final BoardReader boardReader;
+    private final PostReader postReader;
+
+    public PostListRes<?> getPostList(int page, int take, String boardCode) {
+        Board board = boardReader.getBoardWithBoardCode(boardCode);
+        Pageable pageable = PageInfo.of(page, take);
+        Page<Post> postList = postReader.getPostListByBoardId(board.getId(), pageable);
+        PageInfo pageInfo = PageInfo.of(postList);
+
+        switch (board.getName()) {
+            case "공지사항":
+                return getNoticePostList(postList, pageInfo);
+            case "분실물":
+                return getLostPostList(postList, pageInfo);
+            case "제휴":
+                return getPartnerPostList(postList, pageInfo);
+            case "감사기구":
+                return getAuditPostList(postList, pageInfo);
+            case "청원":
+                // return getPetitionPostList(postList, pageInfo);
+            default:
+                throw new EntityNotFoundException(String.valueOf(POST_NOT_FOUND));
+        }
+    }
+
+    private PostListRes<NoticePostResponse> getNoticePostList(Page<Post> postList, PageInfo pageInfo) {
+        List<NoticePostResponse> responseList = postList.getContent().stream()
+                .map(NoticePostResponse::of)
+                .toList();
+        return PostListRes.of(responseList, pageInfo);
+    }
+
+    private PostListRes<LostPostResponse> getLostPostList(Page<Post> postList, PageInfo pageInfo) {
+        List<LostPostResponse> responseList = postList.getContent().stream()
+                .map(LostPostResponse::of)
+                .toList();
+        return PostListRes.of(responseList, pageInfo);
+    }
+
+    private PostListRes<PartnerPostResponse> getPartnerPostList(Page<Post> postList, PageInfo pageInfo) {
+        List<PartnerPostResponse> responseList = postList.getContent().stream()
+                .map(PartnerPostResponse::of)
+                .toList();
+        return PostListRes.of(responseList, pageInfo);
+    }
+
+    private PostListRes<AuditPostResponseDto> getAuditPostList(Page<Post> postList, PageInfo pageInfo) {
+        List<AuditPostResponseDto> responseList = postList.getContent().stream()
+                .map(AuditPostResponseDto::of)
+                .toList();
+        return PostListRes.of(responseList, pageInfo);
+    }
+}
+
+ */

src/main/java/ussum/homepage/application/post/service/dto/request/PostCreateRequest.java

@@ -26,6 +26,7 @@ public Post toDomain(Board board, User user, Category category) {
                 null,
                 null,
                 null,
+                null,
                 user.getId(), //이건 채워넣어야 함, user쪽 개발되면
                 board.getId(),
                 category.getId()

src/main/java/ussum/homepage/application/post/service/dto/request/PostUpdateRequest.java

@@ -19,6 +19,7 @@ public Post toDomain(Post post, Board board, Category category) {
                 content,
                 post.getViewCount(),
                 thumbnailImage,
+                post.getStatus(),
                 LocalDateTime.parse(post.getCreatedAt()),
                 LocalDateTime.parse(post.getUpdatedAt()),
                 LocalDateTime.now(),

src/main/java/ussum/homepage/application/post/service/dto/response/postList/AuditPostResponseDto.java

@@ -0,0 +1,29 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.Builder;
+import lombok.Getter;
+import ussum.homepage.domain.post.Post;
+
+@Getter
+public class AuditPostResponseDto extends PostListResDto {
+    private final String thumbNail;
+    private final String status;
+
+    @Builder
+    private AuditPostResponseDto(String postId, String title, String content, String date, String thumbNail, String status) {
+        super(postId, title, content, date);
+        this.thumbNail = thumbNail;
+        this.status = status;
+    }
+
+    public static AuditPostResponseDto of(Post post) {
+        return AuditPostResponseDto.builder()
+                .postId(post.getId().toString())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .date(post.getCreatedAt().toString())
+                .thumbNail(post.getThumbnailImage())
+                .status(post.getStatus())
+                .build();
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/LostPostResponse.java

@@ -0,0 +1,30 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import ussum.homepage.domain.post.Post;
+
+
+@Getter
+public class LostPostResponse extends PostListResDto{
+    private final String thumbNail;
+
+
+    @Builder
+    private LostPostResponse(String postId, String title, String content, String date, String thumbNail) {
+        super(postId, title, content, date);
+        this.thumbNail = thumbNail;
+
+    }
+
+    public static LostPostResponse of(Post post) {
+        return LostPostResponse.builder()
+                .postId(post.getId().toString())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .date(post.getCreatedAt().toString())
+                .thumbNail(post.getThumbnailImage())
+                .build();
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/NoticePostResponse.java

@@ -0,0 +1,30 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import ussum.homepage.domain.post.Post;
+
+@Getter
+public class NoticePostResponse extends PostListResDto{
+    private final String thumbNail;
+    private final String status;
+
+    @Builder
+    private NoticePostResponse(String postId, String title, String content, String date, String thumbNail, String status) {
+        super(postId, title, content, date);
+        this.thumbNail = thumbNail;
+        this.status = status;
+    }
+
+    public static NoticePostResponse of(Post post) {
+        return NoticePostResponse.builder()
+                .postId(post.getId().toString())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .date(post.getCreatedAt().toString())
+                .thumbNail(post.getThumbnailImage())
+                .status(post.getStatus())
+                .build();
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/PartnerPostResponse.java

@@ -0,0 +1,30 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import ussum.homepage.domain.post.Post;
+
+@Getter
+public class PartnerPostResponse extends PostListResDto{
+    private final String thumbNail;
+    private final String status;
+
+    @Builder
+    private PartnerPostResponse(String postId, String title, String content, String date, String thumbNail, String status) {
+        super(postId, title, content, date);
+        this.thumbNail = thumbNail;
+        this.status = status;
+    }
+
+    public static PartnerPostResponse of(Post post) {
+        return PartnerPostResponse.builder()
+                .postId(post.getId().toString())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .date(post.getCreatedAt().toString())
+                .thumbNail(post.getThumbnailImage())
+                .status(post.getStatus())
+                .build();
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/PetitionPostResponse.java

@@ -0,0 +1,31 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import ussum.homepage.domain.post.Post;
+
+
+@Getter
+public class PetitionPostResponse extends PostListResDto{
+    private final Integer likeCount;
+    private final String status;
+
+    @Builder
+    private PetitionPostResponse(String postId, String title, String content, String date, Integer likeCount, String status) {
+        super(postId, title, content, date);
+        this.likeCount = likeCount;
+        this.status = status;
+    }
+
+    public static PetitionPostResponse of(Post post, Integer likeCount) {
+        return PetitionPostResponse.builder()
+                .postId(post.getId().toString())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .date(post.getCreatedAt().toString())
+                .likeCount(likeCount)
+                .status(post.getStatus())
+                .build();
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/PostListRes.java

@@ -0,0 +1,17 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import ussum.homepage.global.common.PageInfo;
+
+import java.util.List;
+
+@Builder(access = AccessLevel.PRIVATE)
+public record PostListRes<T extends PostListResDto>(
+        List<T> postListResDto,
+        PageInfo pageInfo
+) {
+    public static <T extends PostListResDto> PostListRes<T> of(List<T> postListResDto, PageInfo pageInfo) {
+        return new PostListRes<>(postListResDto, pageInfo);
+    }
+}

src/main/java/ussum/homepage/application/post/service/dto/response/postList/PostListResDto.java

@@ -0,0 +1,18 @@
+package ussum.homepage.application.post.service.dto.response.postList;
+
+import lombok.Getter;
+
+@Getter
+public abstract class PostListResDto {
+    protected String postId;
+    protected String title;
+    protected String content;
+    protected String date;
+
+    protected PostListResDto(String postId, String title, String content, String date) {
+        this.postId = postId;
+        this.title = title;
+        this.content = content;
+        this.date = date;
+    }
+}