김도원 과제제출

README.md

@@ -0,0 +1,48 @@
+## TODO List
+- [x] 게시글 작성 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현
+  - [x] 제목, 내용 not null
+  - [x] 게시글 일자 자동 기록
+
+- [x] 게시글 수정 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현 (삭제된 게시글 예외처리)
+  - [x] 제목과 내용만 수정 가능
+  - [x] 게시글 수정 일자 자동 기록
+
+- [x] 게시글 삭제 API 구현
+  - [x] controller, dto, repository 생성
+  - [ ] 삭제 시 게시글과 함께 해당 게시글의 모든 댓글도 삭제 처리
+  - [x] 삭제 후 복구 불가능
+  - [x] 게시글 삭제 시 삭제 상태에 대한 변경만 처리(soft-delete)
+
+- [x] 게시글 단건 조회 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현 (삭제된 게시글 예외처리)
+  - [x] 게시글에 포함된 모든 댓글 목록 조회
+  - [ ] 게시글에 댓글 목록 페이징 처리
+  - [x] 삭제된 데이터는 조회 불가
+
+- [x] 댓글 등록 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현 
+  - [x] 댓글 내용 not null
+  - [x] 댓글 등록 일자 자동 기록
+
+- [x] 댓글 수정 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현 (삭제된 댓글 예외처리)
+  - [x] 댓글 내용만 수정 가능
+  - [x] 댓글 수정 일자 자동 기록
+
+- [x] 댓글 삭제 API 구현
+  - [x] controller, dto, repository 생성
+  - [x] 비즈니스 로직 구현 (삭제된 댓글 예외처리)
+  - [x] 삭제 후 복구 불가능
+  - [x] 댓글 삭제 시 삭제 상태에 대한 변경만 처리(soft-delete)
+
+## 추후 학습 & 이해가지 않는 부분
+- [ ] 조회된 게시글에 댓글만 페이징 처리 학습 필요
+- [ ] 게시글이 삭제 메서드에 댓글 삭제 로직 추가 필요
+- [ ] QueryDsl 내부 동작 원리 이해 필요

build.gradle

@@ -24,6 +24,7 @@ repositories {
 }
 
 dependencies {
+    runtimeOnly 'org.postgresql:postgresql'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     compileOnly 'org.projectlombok:lombok'

src/main/java/io/sparta/board/BoardApplication.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 BoardApplication {
 

src/main/java/io/sparta/board/application/dto/mapper/CommentMapper.java

@@ -0,0 +1,28 @@
+package io.sparta.board.application.dto.mapper;
+
+import io.sparta.board.application.dto.response.comment.CommentCreateResponseDto;
+import io.sparta.board.application.dto.response.comment.CommentDeleteResponseDto;
+import io.sparta.board.application.dto.response.comment.CommentUpdateResponseDto;
+import io.sparta.board.domain.entity.Comment;
+
+public class CommentMapper {
+
+    public static CommentCreateResponseDto toCommentCreateResponseDto(Comment comment){
+        return CommentCreateResponseDto.builder()
+                .id(comment.getId())
+                .content(comment.getContent())
+                .build();
+    }
+
+    public static CommentUpdateResponseDto toCommentUpdateResponseDto(Comment comment){
+        return CommentUpdateResponseDto.builder()
+                .content(comment.getContent())
+                .build();
+    }
+
+    public static CommentDeleteResponseDto toCommentDeleteResponseDto(Comment comment){
+        return CommentDeleteResponseDto.builder()
+                .id(comment.getId())
+                .build();
+    }
+}

src/main/java/io/sparta/board/application/dto/mapper/PostMapper.java

@@ -0,0 +1,60 @@
+package io.sparta.board.application.dto.mapper;
+
+import io.sparta.board.application.dto.response.comment.CommentResponseDto;
+import io.sparta.board.application.dto.response.post.PostCreateResponseDto;
+import io.sparta.board.application.dto.response.post.PostGetResponseDto;
+import io.sparta.board.application.dto.response.post.PostDeleteResponseDto;
+import io.sparta.board.application.dto.response.post.PostUpdateResponseDto;
+import io.sparta.board.domain.entity.Comment;
+import io.sparta.board.domain.entity.Post;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class PostMapper {
+
+    public static PostCreateResponseDto toPostCreateResponseDto(Post post) {
+        return PostCreateResponseDto.builder()
+                .id(post.getId())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .build();
+    }
+
+    public static PostGetResponseDto toPostGetResponseDto(Post post) {
+        return PostGetResponseDto.builder()
+                .id(post.getId())
+                .title(post.getTitle())
+                .content(post.getContent())
+                .createdAt(post.getCreatedAt())
+                .commentList(toCommentResponseList(post.getCommentList()))
+                .build();
+    }
+
+    private static List<CommentResponseDto> toCommentResponseList(List<Comment> commentList) {
+        return commentList.stream()
+                .map(PostMapper::toCommentResponse)
+                .collect(Collectors.toList());
+    }
+
+    private static CommentResponseDto toCommentResponse(Comment comment) {
+        return CommentResponseDto.builder()
+                .id(comment.getId())
+                .content(comment.getContent())
+                .createdAt(comment.getCreatedAt())
+                .build();
+    }
+
+    public static PostUpdateResponseDto toPostUpdateResponseDto(Post post) {
+        return PostUpdateResponseDto.builder()
+                .title(post.getTitle())
+                .content(post.getContent())
+                .build();
+    }
+
+    public static PostDeleteResponseDto toPostDeleteResponseDto(Post post) {
+        return PostDeleteResponseDto.builder()
+                .id(post.getId())
+                .build();
+    }
+}

src/main/java/io/sparta/board/application/dto/request/comment/CommentCreateRequestDto.java

@@ -0,0 +1,20 @@
+package io.sparta.board.application.dto.request.comment;
+
+import io.sparta.board.domain.entity.Comment;
+import io.sparta.board.domain.entity.Post;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentCreateRequestDto {
+    private String content;
+
+    public Comment toEntity(Post post) {
+        return Comment.create(content, post);
+    }
+}

src/main/java/io/sparta/board/application/dto/request/comment/CommentUpdateRequestDto.java

@@ -0,0 +1,14 @@
+package io.sparta.board.application.dto.request.comment;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentUpdateRequestDto {
+    private String content;
+}

src/main/java/io/sparta/board/application/dto/request/post/PostCreateRequestDto.java

@@ -0,0 +1,24 @@
+package io.sparta.board.application.dto.request.post;
+
+import io.sparta.board.domain.entity.Post;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostCreateRequestDto {
+    private String title;
+    private String content;
+
+    public Post toEntity() {
+        return Post.create(
+                title,
+                content
+        );
+    }
+
+}

src/main/java/io/sparta/board/application/dto/request/post/PostUpdateRequestDto.java

@@ -0,0 +1,16 @@
+package io.sparta.board.application.dto.request.post;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostUpdateRequestDto {
+    private String title;
+    private String content;
+
+}

src/main/java/io/sparta/board/application/dto/response/comment/CommentCreateResponseDto.java

@@ -0,0 +1,17 @@
+package io.sparta.board.application.dto.response.comment;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentCreateResponseDto {
+    private UUID id;
+    private String content;
+}

src/main/java/io/sparta/board/application/dto/response/comment/CommentDeleteResponseDto.java

@@ -0,0 +1,16 @@
+package io.sparta.board.application.dto.response.comment;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentDeleteResponseDto {
+    private UUID id;
+}

src/main/java/io/sparta/board/application/dto/response/comment/CommentResponseDto.java

@@ -0,0 +1,19 @@
+package io.sparta.board.application.dto.response.comment;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentResponseDto {
+    private UUID id;
+    private String content;
+    private LocalDateTime createdAt;
+}

src/main/java/io/sparta/board/application/dto/response/comment/CommentUpdateResponseDto.java

@@ -0,0 +1,14 @@
+package io.sparta.board.application.dto.response.comment;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CommentUpdateResponseDto {
+    private String content;
+}

src/main/java/io/sparta/board/application/dto/response/post/PostCreateResponseDto.java

@@ -0,0 +1,18 @@
+package io.sparta.board.application.dto.response.post;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostCreateResponseDto {
+    private UUID id;
+    private String title;
+    private String content;
+}

src/main/java/io/sparta/board/application/dto/response/post/PostDeleteResponseDto.java

@@ -0,0 +1,16 @@
+package io.sparta.board.application.dto.response.post;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostDeleteResponseDto {
+    private UUID id;
+}

src/main/java/io/sparta/board/application/dto/response/post/PostGetResponseDto.java

@@ -0,0 +1,23 @@
+package io.sparta.board.application.dto.response.post;
+
+import io.sparta.board.application.dto.response.comment.CommentResponseDto;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.UUID;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostGetResponseDto {
+    private UUID id;
+    private String title;
+    private String content;
+    private LocalDateTime createdAt;
+    private List<CommentResponseDto> commentList;
+}

src/main/java/io/sparta/board/application/dto/response/post/PostUpdateResponseDto.java

@@ -0,0 +1,15 @@
+package io.sparta.board.application.dto.response.post;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class PostUpdateResponseDto {
+    private String title;
+    private String content;
+}