[Spring Core] 여경현 과제 제출합니다.

build.gradle

@@ -19,7 +19,12 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.boot:spring-boot-starter-jdbc'
+	implementation 'org.projectlombok:lombok:1.18.30'
+	implementation 'org.hibernate.validator:hibernate-validator'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	runtimeOnly 'com.mysql:mysql-connector-j'
+	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 

src/main/java/com/example/demo/controller/ArticleController.java

@@ -3,6 +3,7 @@
 import java.net.URI;
 import java.util.List;
 
+import jakarta.validation.Valid;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -45,7 +46,7 @@ public ResponseEntity<ArticleResponse> getArticle(
 
     @PostMapping("/articles")
     public ResponseEntity<ArticleResponse> crateArticle(
-        @RequestBody ArticleCreateRequest request
+        @Valid @RequestBody ArticleCreateRequest request
     ) {
         ArticleResponse response = articleService.create(request);
         return ResponseEntity.created(URI.create("/articles/" + response.id())).body(response);

src/main/java/com/example/demo/controller/BoardController.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 
+import jakarta.validation.Valid;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -39,7 +40,7 @@ public BoardResponse getBoard(
 
     @PostMapping("/boards")
     public BoardResponse createBoard(
-        @RequestBody BoardCreateRequest request
+        @Valid @RequestBody BoardCreateRequest request
     ) {
         return boardService.createBoard(request);
     }

src/main/java/com/example/demo/controller/MemberController.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 
+import jakarta.validation.Valid;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -41,7 +42,7 @@ public ResponseEntity<MemberResponse> getMember(
 
     @PostMapping("/members")
     public ResponseEntity<MemberResponse> create(
-        @RequestBody MemberCreateRequest request
+        @Valid @RequestBody MemberCreateRequest request
     ) {
         MemberResponse response = memberService.create(request);
         return ResponseEntity.ok(response);

src/main/java/com/example/demo/controller/dto/request/ArticleCreateRequest.java

@@ -1,10 +1,13 @@
 package com.example.demo.controller.dto.request;
 
+import jakarta.annotation.Nonnull;
+import jakarta.validation.constraints.NotNull;
+
 public record ArticleCreateRequest(
-    Long authorId,
-    Long boardId,
-    String title,
-    String description
+        @NotNull(message = "멤버ID를 입력해주세요.") Long authorId,
+        @NotNull(message = "게시판ID를 입력해주세요.") Long boardId,
+        @NotNull(message = "제목을 입력해주세요.") String title,
+        @NotNull(message = "내용을 입력해주세요.") String content
 ) {
 
 }

src/main/java/com/example/demo/controller/dto/request/BoardCreateRequest.java

@@ -1,7 +1,9 @@
 package com.example.demo.controller.dto.request;
 
+import jakarta.validation.constraints.NotNull;
+
 public record BoardCreateRequest(
-    String name
+    @NotNull(message = "이름을 입력해주세요.") String name
 ) {
 
 }

src/main/java/com/example/demo/controller/dto/request/MemberCreateRequest.java

@@ -1,9 +1,11 @@
 package com.example.demo.controller.dto.request;
 
+import jakarta.validation.constraints.NotNull;
+
 public record MemberCreateRequest(
-    String name,
-    String email,
-    String password
+    @NotNull(message = "이름을 입력해주세요.") String name,
+    @NotNull(message = "이메일을 입력해주세요.") String email,
+    @NotNull(message = "비밀번호를 입력해주세요") String password
 ) {
 
 }

src/main/java/com/example/demo/controller/dto/request/MemberUpdateRequest.java

@@ -1,8 +1,10 @@
 package com.example.demo.controller.dto.request;
 
+import jakarta.validation.constraints.NotNull;
+
 public record MemberUpdateRequest(
-    String name,
-    String email
+    @NotNull(message = "멤버의 이름을 적어주세요.") String name,
+    @NotNull(message = "멤버의 이메일을 적어주세요") String email
 ) {
 
 }

src/main/java/com/example/demo/domain/Article.java

@@ -1,18 +1,35 @@
 package com.example.demo.domain;
 
+import jakarta.persistence.*;
+
 import java.time.LocalDateTime;
 
+@Entity
 public class Article {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "article_id")
     private Long id;
-    private Long authorId;
-    private Long boardId;
+//    private Long authorId;
+//    private Long boardId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "author_id")
+    private Member member;
+
+    @ManyToOne
+    @JoinColumn(name = "board_id")
+    private Board board;
+
     private String title;
     private String content;
+    @Column(name = "created_date")
     private LocalDateTime createdAt;
+    @Column(name = "modified_date")
     private LocalDateTime modifiedAt;
 
-    public Article(
+/*    public Article(
         Long id,
         Long authorId,
         Long boardId,
@@ -37,16 +54,33 @@ public Article(Long authorId, Long boardId, String title, String content) {
         this.title = title;
         this.content = content;
         this.createdAt = LocalDateTime.now();
-        this.modifiedAt = LocalDateTime.now();
+    }*/
+
+    public Article() {
+
     }
 
-    public void update(Long boardId, String title, String description) {
-        this.boardId = boardId;
+    public void update(Board board, String title, String description) {
+        this.board = board;
         this.title = title;
         this.content = description;
         this.modifiedAt = LocalDateTime.now();
     }
 
+    public void setMember(Member member) {
+        this.member = member;
+        member.getArticles().add(this);
+    }
+
+    public void setBoard(Board board) {
+        this.board = board;
+        board.getArticles().add(this);
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
     public void setId(Long id) {
         this.id = id;
     }
@@ -59,13 +93,13 @@ public Long getId() {
         return id;
     }
 
-    public Long getAuthorId() {
-        return authorId;
-    }
-
-    public Long getBoardId() {
-        return boardId;
-    }
+//    public Long getAuthorId() {
+//        return authorId;
+//    }
+//
+//    public Long getBoardId() {
+//        return boardId;
+//    }
 
     public String getTitle() {
         return title;
@@ -82,4 +116,30 @@ public LocalDateTime getCreatedAt() {
     public LocalDateTime getModifiedAt() {
         return modifiedAt;
     }
+
+    public Member getMember() {
+        return member;
+    }
+
+    public Board getBoard() {
+        return board;
+    }
+
+    private void setTitle(String title) {
+        this.title = title;
+    }
+
+    private void setContent(String content) {
+        this.content = content;
+    }
+
+    public static Article createArticle(String title, String content, Member member, Board board) {
+        Article article = new Article();
+        article.setTitle(title);
+        article.setContent(content);
+        article.setMember(member);
+        article.setBoard(board);
+        article.setCreatedAt(LocalDateTime.now());
+        return article;
+    }
 }

src/main/java/com/example/demo/domain/Board.java

@@ -1,10 +1,23 @@
 package com.example.demo.domain;
 
+import jakarta.persistence.*;
+
+import java.util.List;
+
+import static jakarta.persistence.CascadeType.ALL;
+
+@Entity
 public class Board {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "board_id")
     private Long id;
     private String name;
 
+    @OneToMany(mappedBy = "board", orphanRemoval = true, cascade = ALL)
+    private List<Article> articles;
+
     public Board(Long id, String name) {
         this.id = id;
         this.name = name;
@@ -14,6 +27,10 @@ public Board(String name) {
         this.name = name;
     }
 
+    public Board() {
+
+    }
+
     public Long getId() {
         return id;
     }
@@ -29,4 +46,8 @@ public String getName() {
     public void update(String name) {
         this.name = name;
     }
+
+    public List<Article> getArticles() {
+        return articles;
+    }
 }

src/main/java/com/example/demo/domain/Member.java

@@ -1,11 +1,23 @@
 package com.example.demo.domain;
 
+import jakarta.persistence.*;
+
+import java.util.List;
+
+import static jakarta.persistence.CascadeType.ALL;
+
+@Entity
 public class Member {
 
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "member_id")
     private Long id;
     private String name;
     private String email;
     private String password;
+    @OneToMany(mappedBy = "member", orphanRemoval = true, cascade = ALL)
+    private List<Article> articles;
 
     public Member(Long id, String name, String email, String password) {
         this.id = id;
@@ -20,6 +32,11 @@ public Member(String name, String email, String password) {
         this.password = password;
     }
 
+    public Member() {
+
+    }
+
+
     public void update(String name, String email) {
         this.name = name;
         this.email = email;
@@ -44,4 +61,8 @@ public String getEmail() {
     public String getPassword() {
         return password;
     }
+
+    public List<Article> getArticles() {
+        return articles;
+    }
 }

src/main/java/com/example/demo/exception/errorcode/CommonErrorCode.java

@@ -0,0 +1,25 @@
+package com.example.demo.exception.errorcode;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor
+public enum CommonErrorCode implements ErrorCode {
+    EMAIL_ALREADY_EXIST(HttpStatus.CONFLICT, "이미 존재하는 이메일입니다."),
+    GET_ARTICLE_NOT_EXIST(HttpStatus.NOT_FOUND, "입력한 ID에 해당하는 게시물이 존재하지 않습니다."),
+    GET_MEMBER_NOT_EXIST(HttpStatus.NOT_FOUND, "입력한 ID에 해당하는 멤버가 존재하지 않습니다."),
+    GET_BOARD_NOT_EXIST(HttpStatus.NOT_FOUND, "입력한 ID에 해당하는 게시판이 존재하지 않습니다."),
+    POST_ARTICLE_NOT_EXIST(HttpStatus.BAD_REQUEST, "입력한 ID에 해당하는 게시물이 존재하지 않습니다."),
+    POST_MEMBER_NOT_EXIST(HttpStatus.BAD_REQUEST, "입력한 ID에 해당하는 멤버가 존재하지 않습니다."),
+    POST_BOARD_NOT_EXIST(HttpStatus.BAD_REQUEST, "입력한 ID에 해당하는 게시판이 존재하지 않습니다."),
+    UPDATE_BOARD_NOT_EXIST(HttpStatus.BAD_REQUEST,"입력한 ID에 해당하는 게시판이 존재하지 않습니다." ), 
+    UPDATE_NAME_NULL(HttpStatus.BAD_REQUEST, "변경할 이름을 입력해주세요"),
+    UPDATE_EMAIL_NULL(HttpStatus.BAD_REQUEST, "변경할 이메일을 입력해주세요"),
+    DELETE_ARTICLE_EXIST_IN_MEMBER(HttpStatus.BAD_REQUEST, "해당 멤버가 작성한 게시물이 존재합니다."),
+    DELETE_ARTICLE_EXIST_IN_BOARD(HttpStatus.BAD_REQUEST, "해당 게시판에 게시물이 존재합니다.");
+
+    private final HttpStatus httpStatus;
+    private final String message;
+}

src/main/java/com/example/demo/exception/errorcode/ErrorCode.java

@@ -0,0 +1,9 @@
+package com.example.demo.exception.errorcode;
+
+import org.springframework.http.HttpStatus;
+
+public interface ErrorCode {
+    String name();
+    HttpStatus getHttpStatus();
+    String getMessage();
+}

src/main/java/com/example/demo/exception/exception/RestApiException.java

@@ -0,0 +1,11 @@
+package com.example.demo.exception.exception;
+
+import com.example.demo.exception.errorcode.ErrorCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public class RestApiException extends RuntimeException{
+    private final ErrorCode errorCode;
+}