feat: 일지 엔티티 구현(1차)

src/main/java/com/unit/daybook/DaybookApplication.java

@@ -2,7 +2,9 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+@EnableJpaAuditing
 @SpringBootApplication
 public class DaybookApplication {
 

src/main/java/com/unit/daybook/domain/board/controller/BoardController.java

@@ -0,0 +1,43 @@
+package com.unit.daybook.domain.board.controller;
+
+import com.unit.daybook.domain.board.dto.request.AddBoardRequestDto;
+import com.unit.daybook.domain.board.dto.response.AddBoardResponseDto;
+import com.unit.daybook.domain.board.service.BoardService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RequestMapping("/board")
+@RestController
+public class BoardController {
+
+    private final BoardService boardService;
+
+    @GetMapping("/{boardId}")
+    public String getBoard(@PathVariable("boardId") Long boardId) {
+        return "단일 조회 정보 " + boardId;
+    }
+
+    @GetMapping("/boards")
+    public String getBoards() {
+        return "목록 조회 정보";
+    }
+
+
+    @PostMapping
+    public AddBoardResponseDto addBoard(@RequestBody AddBoardRequestDto addBoardRequestDto) {
+        Long memberId = 1L; // TODO 인증
+        return boardService.addBoard(addBoardRequestDto, memberId);
+
+    }
+
+    @PostMapping("/{boardId}")
+    public String modifyBoard(@PathVariable("boardId") Long boardId) {
+        return "수정 성공";
+    }
+
+    @DeleteMapping("/{boardId}")
+    public String deleteBoard(@PathVariable("boardId") Long boardId) {
+        return "삭제 성공";
+    }
+}

src/main/java/com/unit/daybook/domain/board/dto/request/AddBoardRequestDto.java

@@ -0,0 +1,5 @@
+package com.unit.daybook.domain.board.dto.request;
+
+
+public record AddBoardRequestDto(String content, Long respectBoardId) {
+}

src/main/java/com/unit/daybook/domain/board/dto/response/AddBoardResponseDto.java

@@ -0,0 +1,15 @@
+package com.unit.daybook.domain.board.dto.response;
+
+import com.unit.daybook.domain.board.entity.Board;
+
+public record AddBoardResponseDto(
+        Long boardId,
+        String content,
+        Long respectBoardId
+) {
+
+    public static AddBoardResponseDto from(Board board) {
+        return new AddBoardResponseDto(board.getBoardId(), board.getContent(), board.getRespectBoardId());
+    }
+
+}

src/main/java/com/unit/daybook/domain/board/entity/Board.java

@@ -0,0 +1,41 @@
+package com.unit.daybook.domain.board.entity;
+
+import com.unit.daybook.domain.board.dto.request.AddBoardRequestDto;
+import com.unit.daybook.domain.common.model.BaseTimeEntity;
+import jakarta.persistence.*;
+import lombok.*;
+
+
+@Getter
+@Entity
+@Table(name = "board")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Board extends BaseTimeEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "board_id")
+    private Long boardId;
+
+    @Column
+    private String content;
+
+    @Column(name = "respect_board_id")
+    private Long respectBoardId;
+
+
+    @Builder(access = AccessLevel.PRIVATE)
+    public Board(Long boardId, String content, Long respectBoardId) {
+        this.boardId = boardId;
+        this.content = content;
+        this.respectBoardId = respectBoardId;
+    }
+
+    public static Board createBoard(AddBoardRequestDto addBoardRequestDto) {
+        return Board.builder()
+                .content(addBoardRequestDto.content())
+                .respectBoardId(addBoardRequestDto.respectBoardId())
+                .build();
+    }
+
+}

src/main/java/com/unit/daybook/domain/board/repository/BoardRepository.java

@@ -0,0 +1,10 @@
+package com.unit.daybook.domain.board.repository;
+
+import com.unit.daybook.domain.board.entity.Board;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface BoardRepository extends JpaRepository<Board, Long> {
+
+}

src/main/java/com/unit/daybook/domain/board/service/BoardService.java

@@ -0,0 +1,23 @@
+package com.unit.daybook.domain.board.service;
+
+import com.unit.daybook.domain.board.dto.request.AddBoardRequestDto;
+import com.unit.daybook.domain.board.dto.response.AddBoardResponseDto;
+import com.unit.daybook.domain.board.entity.Board;
+import com.unit.daybook.domain.board.repository.BoardRepository;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Transactional
+@Service
+@RequiredArgsConstructor
+public class BoardService {
+
+    private final BoardRepository boardRepository;
+
+    public AddBoardResponseDto addBoard(AddBoardRequestDto addBoardRequestDto, Long memberId) {
+        return AddBoardResponseDto.from(boardRepository.save(Board.createBoard(addBoardRequestDto)));
+    }
+
+}