Bugfix board

src/main/java/com/rest/api/entity/User.java

@@ -23,7 +23,7 @@ import java.util.stream.Collectors;
 @NoArgsConstructor // 인자없는 생성자를 자동으로 생성합니다.
 @AllArgsConstructor // 인자를 모두 갖춘 생성자를 자동으로 생성합니다.
 @Table(name = "user") // 'user' 테이블과 매핑됨을 명시
-@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
+@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"}) // Post Entity에서 User와의 관계를 Json으로 변환시 오류 방지를 위한 코드
 public class User extends CommonDateEntity implements UserDetails {
     @Id // pk
     @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/rest/api/entity/board/Board.java

@@ -4,10 +4,7 @@ import com.rest.api.entity.common.CommonDateEntity;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
+import javax.persistence.*;
 
 @Entity
 @Getter
@@ -15,6 +12,7 @@ import javax.persistence.Id;
 public class Board extends CommonDateEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
+    private Long boardId;
+    @Column(nullable = false, length = 100)
     private String name;
 }

src/main/java/com/rest/api/entity/board/Post.java

@@ -13,23 +13,38 @@ import javax.persistence.*;
 public class Post extends CommonDateEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id;
+    private Long postId;
+    @Column(nullable = false, length = 50)
     private String author;
+    @Column(nullable = false, length = 100)
     private String title;
+    @Column(length = 500)
     private String content;
-    private Long boardId;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    private User user;
+    @JoinColumn(name = "board_id")
+    private Board board; // 게시글 - 게시판의 관계 - N:1
 
-    public Post(User user, Long boardId, String author, String title, String content) {
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "msrl")
+    private User user;  // 게시글 - 회원의 관계 - N:1
+
+    // Join 테이블이 Json결과에 표시되지 않도록 처리.
+    protected Board getBoard() {
+        return board;
+    }
+
+    // 생성자
+    public Post(User user, Board board, String author, String title, String content) {
         this.user = user;
-        this.boardId = boardId;
+        this.board = board;
         this.author = author;
         this.title = title;
         this.content = content;
     }
 
+    // 수정시 데이터 처리
     public Post setUpdate(String author, String title, String content) {
         this.author = author;
         this.title = title;

src/main/java/com/rest/api/model/board/ParamsPost.java

@@ -5,6 +5,7 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+import javax.validation.constraints.Max;
 import javax.validation.constraints.NotEmpty;
 
 @Getter
@@ -12,12 +13,14 @@ import javax.validation.constraints.NotEmpty;
 @NoArgsConstructor
 public class ParamsPost {
     @NotEmpty
+    @Max(50)
     @ApiModelProperty(value = "작성자명", required = true)
     private String author;
     @NotEmpty
+    @Max(100)
     @ApiModelProperty(value = "제목", required = true)
     private String title;
-    @NotEmpty
+    @Max(500)
     @ApiModelProperty(value = "내용", required = true)
     private String content;
 }

src/main/java/com/rest/api/repo/board/PostJpaRepo.java

@@ -1,10 +1,11 @@
 package com.rest.api.repo.board;
 
+import com.rest.api.entity.board.Board;
 import com.rest.api.entity.board.Post;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
 
 public interface PostJpaRepo extends JpaRepository<Post, Long> {
-    List<Post> findByBoardId(Long boardId);
+    List<Post> findByBoard(Board board);
 }

src/main/java/com/rest/api/service/board/BoardService.java

@@ -26,25 +26,29 @@ public class BoardService {
     private final PostJpaRepo postJpaRepo;
     private final UserJpaRepo userJpaRepo;
 
+    // 게시판 이름으로 게시판을 조회. 없을경우 CResourceNotExistException 처리
     public Board findBoard(String boardName) {
         return Optional.ofNullable(boardJpaRepo.findByName(boardName)).orElseThrow(CResourceNotExistException::new);
     }
 
+    // 게시판 이름으로 게시물 리스트 조회.
     public List<Post> findPosts(String boardName) {
-        Board board = findBoard(boardName);
-        return postJpaRepo.findByBoardId(board.getId());
+        return postJpaRepo.findByBoard(findBoard(boardName));
     }
 
+    // 게시물ID로 게시물 단건 조회. 없을경우 CResourceNotExistException 처리
     public Post getPost(long postId) {
         return postJpaRepo.findById(postId).orElseThrow(CResourceNotExistException::new);
     }
 
+    // 게시물을 등록합니다. 게시물의 회원UID가 조회되지 않으면 CUserNotFoundException 처리합니다.
     public Post writePost(String uid, String boardName, ParamsPost paramsPost) {
         Board board = findBoard(boardName);
-        Post post = new Post(userJpaRepo.findByUid(uid).orElseThrow(CUserNotFoundException::new), board.getId(), paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
+        Post post = new Post(userJpaRepo.findByUid(uid).orElseThrow(CUserNotFoundException::new), board, paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
         return postJpaRepo.save(post);
     }
 
+    // 게시물을 수정합니다. 게시물 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
     public Post updatePost(long postId, String uid, ParamsPost paramsPost) {
         Post post = getPost(postId);
         User user = post.getUser();
@@ -55,6 +59,7 @@ public class BoardService {
         return postJpaRepo.save(post);
     }
 
+    // 게시물을 삭제합니다. 게시물 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
     public boolean deletePost(long postId, String uid) {
         Post post = getPost(postId);
         User user = post.getUser();