Post crud task

spring-boot-api/build.gradle

@@ -24,6 +24,7 @@ dependencies {
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	// for lombok
 	compileOnly 'org.projectlombok:lombok'
 	annotationProcessor 'org.projectlombok:lombok'

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/api/PostController.java

@@ -0,0 +1,85 @@
+package com.ssafy.springbootapi.domain.post.api;
+
+import com.ssafy.springbootapi.domain.post.application.PostService;
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import com.ssafy.springbootapi.domain.post.dto.AddPostRequest;
+import com.ssafy.springbootapi.domain.post.dto.PostResponse;
+import com.ssafy.springbootapi.domain.post.dto.UpdatePostRequest;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@Tag(name = "Post", description = "Post 관련 API 입니다.")
+@RequiredArgsConstructor
+@RestController
+public class PostController {
+
+    private final PostService postService;
+
+    @Operation(summary = "게시글 등록")
+    @PostMapping("/api/v1/posts")
+    public ResponseEntity<Post> addPost(@Validated @RequestBody AddPostRequest request) {
+        Post savedPost = postService.save(request);
+
+        return ResponseEntity.status(HttpStatus.CREATED)
+                .body(savedPost);
+    }
+
+
+
+    /** 스웨거에 넣을때
+     * {
+     *   "page": 0, //페이지번호
+     *   "size": 3, //한페이지당 몇개 표시할지
+     *   "sort": [
+     *     "id,asc" // id 오름차순
+     *   ]
+     * }
+     * @param pageable
+     * @return
+     */
+    @Operation(summary = "게시글 리스트 불러오기 페이지버전")
+    @GetMapping("/api/v1/posts")
+    public ResponseEntity<Page<PostResponse>> findAllPosts(Pageable pageable) {
+        Page<PostResponse> posts = postService.findAll(pageable);
+        return ResponseEntity.ok()
+                .body(posts);
+    }
+
+
+    @Operation(summary = "게시글 아이디로 조회")
+    @GetMapping("/api/v1/posts/{id}")
+    public ResponseEntity<PostResponse> findPost(@PathVariable Long id) {
+        Post post = postService.findById(id);
+
+        return ResponseEntity.ok()
+                .body(new PostResponse(post));
+    }
+
+    @Operation(summary = "게시글 삭제")
+    @DeleteMapping("/api/v1/posts/{id}")
+    public ResponseEntity<Void> deletePost(@PathVariable Long id) {
+        postService.delete(id);
+        return ResponseEntity.ok()
+                .build();
+    }
+
+    @Operation(summary = "게시글 수정")
+    @PutMapping("/api/v1/posts/{id}")
+    public ResponseEntity<Post> updatePost(@PathVariable Long id, @RequestBody UpdatePostRequest request) {
+        Post updatedPost = postService.update(id, request);
+
+        return ResponseEntity.ok()
+                .body(updatedPost);
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/application/PostService.java

@@ -0,0 +1,88 @@
+package com.ssafy.springbootapi.domain.post.application;
+
+import com.ssafy.springbootapi.domain.post.dao.PostRepository;
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import com.ssafy.springbootapi.domain.post.dto.AddPostRequest;
+import com.ssafy.springbootapi.domain.post.dto.PostResponse;
+import com.ssafy.springbootapi.domain.post.dto.UpdatePostRequest;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@RequiredArgsConstructor
+@Service
+public class PostService {
+    private final PostRepository postRepository;
+
+    /**
+     * 게시글 등록
+     * @param request
+     * @return
+     */
+    public Post save(AddPostRequest request) {
+        return postRepository.save(request.toEntity());
+    }
+
+    /**
+     * 게시글 리스트 불러오기
+     * @return
+     */
+    public List<Post> findAll(){
+        return postRepository.findAll();
+    }
+
+    /**
+     * id로 게시글 찾기
+     * @param id 찾을 게시글 id
+     * @return
+     */
+    public Post findById(long id) {
+        return postRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("not found : " + id));
+    }
+
+
+    /**
+     * 게시글 삭제
+     * @param id 삭제할 게시글 id
+     */
+    public void delete(long id) {
+        postRepository.deleteById(id);
+    }
+
+    /**
+     * 게시글 수정
+     * @param id 수정할 게시글 id
+     * @param request
+     * @return
+     */
+    @Transactional
+    public Post update(long id, UpdatePostRequest request) {
+        Post post = postRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("not found : " + id));
+
+        post.update(request.getTitle(), request.getContent());
+
+        return post;
+    }
+
+
+    /**
+     * 페이지 나눠서 리스트 불러오기
+     * @param pageable
+     * @return
+     */
+    //페이징 기능
+    public Page<PostResponse> findAll(Pageable pageable) {
+        Page<Post> posts = postRepository.findAll(pageable);
+        return posts.map(PostResponse::new); // 여기서 post를 PostReponse객체로 전부 변환
+        //이렇게 해주면 Post가 외부에 노출되는 것을 방지하고, 필요한 데이터만을 담은 DTO(PostResponse)를 클라이언트에 반환하게됨
+    }
+
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/dao/PostRepository.java

@@ -0,0 +1,12 @@
+package com.ssafy.springbootapi.domain.post.dao;
+
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PostRepository extends JpaRepository<Post, Long> {
+    Page<Post> findAll(Pageable pageable); //페이징 기능기준
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/domain/Post.java

@@ -0,0 +1,59 @@
+package com.ssafy.springbootapi.domain.post.domain;
+
+
+import com.ssafy.springbootapi.domain.user.domain.User;
+import jakarta.persistence.*;
+import lombok.*;
+import org.hibernate.annotations.ColumnDefault;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+
+import java.time.LocalDateTime;
+
+@Builder
+@Entity
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Post {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id", updatable = false)
+    private Long id;
+
+    @Column(name = "title", nullable = false)
+    private String title;
+
+    @Column(name = "contents", nullable = false)
+    private String content;
+
+    @CreatedDate
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @Builder.Default
+    @Column(name = "likes")
+    private Long likes=0L;
+
+    @Builder.Default
+    @Column(name = "dislikes")
+    private Long dislikes=0L;
+
+    @Builder.Default
+    @Column(name = "views")
+    private Long views=0L;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    public void update(String title, String content) {
+        this.title = title;
+        this.content = content;
+    }
+
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/domain/PostReply.java

@@ -0,0 +1,36 @@
+package com.ssafy.springbootapi.domain.post.domain;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter
+public class PostReply {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id", updatable = false)
+    private Long id;
+
+    @Column(name = "contents", nullable = false)
+    private String content;
+
+    @CreatedDate
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @Column(name = "likes", nullable = false)
+    private Long likes;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "post_id")
+    private Post post;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/dto/AddPostRequest.java

@@ -0,0 +1,29 @@
+package com.ssafy.springbootapi.domain.post.dto;
+
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+public class AddPostRequest {
+    @NotEmpty
+    @NotNull
+    private String title;
+
+    @NotEmpty
+    @NotNull
+    private String content;
+
+    public Post toEntity() {
+        return Post.builder()
+                .title(title)
+                .content(content)
+                .build();
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/dto/PostResponse.java

@@ -0,0 +1,15 @@
+package com.ssafy.springbootapi.domain.post.dto;
+
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import lombok.Getter;
+
+@Getter
+public class PostResponse {
+    private final String title;
+    private final String content;
+
+    public PostResponse(Post post) {
+        this.title = post.getTitle();
+        this.content = post.getContent();
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/post/dto/UpdatePostRequest.java

@@ -0,0 +1,13 @@
+package com.ssafy.springbootapi.domain.post.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+public class UpdatePostRequest {
+    private String title;
+    private String content;
+}

spring-boot-api/src/main/resources/application.yml

@@ -31,4 +31,11 @@ springdoc:
     display-query-params-without-oauth2: true
     doc-expansion: none
   paths-to-match:
-    - /api/**
+    - /api/**
+
+logging:
+  level:
+    root: INFO
+#    com:
+#      ssafy.springbootapi.domain: DEBUG
+# ssafy.springbootapi.domain 아래에 있는 것들만 디버그로 보고싶을때 사용