#9 feat: Board전체조회 API구현, 페이징 적용

server/src/main/java/com/yogit/server/board/controller/BoardController.java

@@ -3,6 +3,7 @@
 
 import com.yogit.server.board.dto.request.CreateBoardReq;
 import com.yogit.server.board.dto.request.DeleteBoardReq;
+import com.yogit.server.board.dto.request.GetAllBoardsReq;
 import com.yogit.server.board.dto.request.PatchBoardReq;
 import com.yogit.server.board.dto.response.BoardRes;
 import com.yogit.server.board.service.BoardService;
@@ -16,6 +17,8 @@
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @Slf4j
 @RestController
 @RequiredArgsConstructor // private final DI의존주입
@@ -31,6 +34,9 @@ public class BoardController {
     @ApiOperation(value = "게시글 등록", notes = "그룹 게시글에 필요한 정보를 입력받아 게시글 생성.")
     @ApiResponses({
             @ApiResponse(code= 201, message = "요청에 성공하였습니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 유저입니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 City아이디입니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 Category아이디입니다."),
             @ApiResponse(code = 4000 , message =  "서버 오류입니다.")
     })
     @PostMapping("")
@@ -45,6 +51,11 @@ public ApplicationResponse<BoardRes> registerBoard(@RequestBody @Validated Creat
     @ApiOperation(value = "게시글 수정", notes = "그룹 게시글에 필요한 정보를 입력받아 게시글 수정.")
     @ApiResponses({
             @ApiResponse(code= 201, message = "요청에 성공하였습니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 유저입니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 City아이디입니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 Category아이디입니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 Board아이디입니다."),
+            @ApiResponse(code= 404, message = "요청한 유저가 호스트가 아닙니다."),
             @ApiResponse(code = 4000 , message =  "서버 오류입니다.")
     })
     @PatchMapping("")
@@ -59,6 +70,7 @@ public ApplicationResponse<BoardRes> updateBoard(@RequestBody @Validated PatchBo
     @ApiOperation(value = "게시글 삭제", notes = "그룹 게시글 삭제 요청.")
     @ApiResponses({
             @ApiResponse(code= 201, message = "요청에 성공하였습니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 유저입니다."),
             @ApiResponse(code= 404, message = "존재하지 않는 Board아이디입니다."),
             @ApiResponse(code= 404, message = "요청한 유저가 호스트가 아닙니다."),
             @ApiResponse(code = 4000 , message =  "서버 오류입니다.")
@@ -67,4 +79,19 @@ public ApplicationResponse<BoardRes> updateBoard(@RequestBody @Validated PatchBo
     public ApplicationResponse<BoardRes> deleteBoard(@RequestBody @Validated DeleteBoardReq deleteBoardReq){
         return boardService.deleteBoard(deleteBoardReq);
     }
+
+    /**
+     * 게시글 전체 조회
+     * @author 토마스
+     */
+    @ApiOperation(value = "게시글 전체 조회", notes = "그룹 게시글 전체조회 요청.")
+    @ApiResponses({
+            @ApiResponse(code= 201, message = "요청에 성공하였습니다."),
+            @ApiResponse(code= 404, message = "존재하지 않는 유저입니다."),
+            @ApiResponse(code = 4000 , message =  "서버 오류입니다.")
+    })
+    @PostMapping("/get")
+    public ApplicationResponse<List<BoardRes>> findAllBoards(@RequestBody @Validated GetAllBoardsReq getAllBoardsReq){
+        return boardService.findAllBoards(getAllBoardsReq);
+    }
 }

server/src/main/java/com/yogit/server/board/dto/request/GetAllBoardsReq.java

@@ -0,0 +1,23 @@
+package com.yogit.server.board.dto.request;
+
+import io.swagger.annotations.ApiModelProperty;
+import io.swagger.annotations.ApiParam;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+public class GetAllBoardsReq {
+
+    @ApiModelProperty(example = "1")
+    @ApiParam(value = "Board ID", required = true)
+    private Long boardId;
+
+    @ApiModelProperty(example = "1")
+    @ApiParam(value = "유저 ID", required = true)
+    private Long userId;
+
+    @ApiModelProperty(example = "1")
+    @ApiParam(value = "페이징 조회 페이지", required = true)
+    private int cursor;
+}

server/src/main/java/com/yogit/server/board/repository/BoardRepository.java

@@ -1,6 +1,8 @@
 package com.yogit.server.board.repository;
 
 import com.yogit.server.board.entity.Board;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Slice;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
@@ -11,4 +13,7 @@ public interface BoardRepository extends JpaRepository<Board, Long> {
 
     @Query("select b from Board b where b.id = :boardId and b.status = 'ACTIVE'")
     Optional<Board> findBoardById(@Param("boardId") Long boardId);
+
+    @Query("select b from Board b where b.status = 'ACTIVE'")
+    Slice<Board> findAllBoards(Pageable pageable);
 }

server/src/main/java/com/yogit/server/board/service/BoardService.java

@@ -2,15 +2,20 @@
 
 import com.yogit.server.board.dto.request.CreateBoardReq;
 import com.yogit.server.board.dto.request.DeleteBoardReq;
+import com.yogit.server.board.dto.request.GetAllBoardsReq;
 import com.yogit.server.board.dto.request.PatchBoardReq;
 import com.yogit.server.board.dto.response.BoardRes;
 import com.yogit.server.global.dto.ApplicationResponse;
 
+import java.util.List;
+
 public interface BoardService {
 
     ApplicationResponse<BoardRes> createBoard(CreateBoardReq createBoardReq);
 
     ApplicationResponse<BoardRes> updateBoard(PatchBoardReq patchBoardReq);
 
     ApplicationResponse<BoardRes> deleteBoard(DeleteBoardReq deleteBoardReq);
+
+    ApplicationResponse<List<BoardRes>> findAllBoards(GetAllBoardsReq getAllBoardsReq);
 }

server/src/main/java/com/yogit/server/board/service/BoardServiceImpl.java

@@ -2,6 +2,7 @@
 
 import com.yogit.server.board.dto.request.CreateBoardReq;
 import com.yogit.server.board.dto.request.DeleteBoardReq;
+import com.yogit.server.board.dto.request.GetAllBoardsReq;
 import com.yogit.server.board.dto.request.PatchBoardReq;
 import com.yogit.server.board.dto.response.BoardRes;
 import com.yogit.server.board.entity.Board;
@@ -20,11 +21,14 @@
 import com.yogit.server.user.repository.CityRepository;
 import com.yogit.server.user.repository.UserRepository;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Slice;
+import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.web.bind.annotation.RequestBody;
 
-import javax.sound.midi.Patch;
+import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 @Transactional(readOnly = true)
@@ -36,6 +40,9 @@ public class BoardServiceImpl implements BoardService{
     private final CityRepository cityRepository;
     private final CategoryRepository categoryRepository;
 
+    private static final int PAGING_SIZE = 10;
+    private static final String PAGING_STANDARD = "date";
+
     @Transactional(readOnly = false)
     @Override
     public ApplicationResponse<BoardRes> createBoard(CreateBoardReq dto){
@@ -112,4 +119,22 @@ public ApplicationResponse<BoardRes> deleteBoard(DeleteBoardReq dto){
         return ApplicationResponse.ok(boardRes);
     }
 
+
+    @Transactional(readOnly = false)
+    @Override
+    public ApplicationResponse<List<BoardRes>> findAllBoards(GetAllBoardsReq dto){
+        int cursor = dto.getCursor();
+
+        User user = userRepository.findById(dto.getUserId())
+                .orElseThrow(() -> new NotFoundUserException());
+
+        PageRequest pageRequest = PageRequest.of(cursor, PAGING_SIZE, Sort.by(Sort.Direction.ASC, PAGING_STANDARD ));
+
+        Slice<Board> boards = boardRepository.findAllBoards(pageRequest);
+        List<BoardRes> boardsRes = boards.stream()
+                .map(board -> BoardRes.toDto(board))
+                .collect(Collectors.toList());
+        return ApplicationResponse.ok(boardsRes);
+    }
+
 }