Post crud task

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

@@ -0,0 +1,53 @@
+package com.ssafy.springbootapi.domain.post.api;
+
+import com.ssafy.springbootapi.domain.post.application.PostService;
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+@Tag(name = "Post", description = "Post API 입니다.")
+@RestController
+@RequestMapping("/api/v1/posts")
+public class PostController {
+    private final PostService postService;
+
+    @Autowired
+    public PostController(PostService postService) {
+        this.postService = postService;
+    }
+
+    @GetMapping
+    public ResponseEntity<List<Post>> getAllPosts() {
+        List<Post> posts = postService.getAllPosts();
+        return new ResponseEntity<>(posts, HttpStatus.OK);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Post> getPostById(@PathVariable Long id) {
+        return postService.getPostById(id)
+                .map(post -> new ResponseEntity<>(post, HttpStatus.OK))
+                .orElseGet(() -> new ResponseEntity<>(HttpStatus.NOT_FOUND));
+    }
+
+    @PostMapping
+    public ResponseEntity<Post> createPost(@RequestBody Post post) {
+        Post createdPost = postService.savePost(post);
+        return new ResponseEntity<>(createdPost, HttpStatus.CREATED);
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> deletePost(@PathVariable Long id) {
+        postService.deletePost(id);
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<Post> updatePost(@PathVariable Long id, @RequestBody Post postDetails) {
+        Post updatedPost = postService.updatePost(id, postDetails);
+        return new ResponseEntity<>(updatedPost, HttpStatus.OK);
+    }
+}

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

@@ -0,0 +1,45 @@
+package com.ssafy.springbootapi.domain.post.application;
+
+import com.ssafy.springbootapi.domain.post.dao.PostRepository;
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class PostService {
+    private final PostRepository postRepository;
+
+    @Autowired
+    public PostService(PostRepository postRepository) {
+        this.postRepository = postRepository;
+    }
+
+    public List<Post> getAllPosts() {
+        return postRepository.findAll();
+    }
+
+    public Optional<Post> getPostById(Long id) {
+        return postRepository.findById(id);
+    }
+
+    public Post savePost(Post post) {
+        return postRepository.save(post);
+    }
+
+    public void deletePost(Long id) {
+        postRepository.deleteById(id);
+    }
+
+    public Post updatePost(Long id, Post postDetails) {
+        Post post = postRepository.findById(id)
+                .orElseThrow(() -> new RuntimeException());
+
+        post.setContents(postDetails.getContents());
+
+        return postRepository.save(post);
+    }
+
+}

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

@@ -0,0 +1,10 @@
+package com.ssafy.springbootapi.domain.post.dao;
+
+import com.ssafy.springbootapi.domain.post.domain.Post;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PostRepository extends JpaRepository<Post, Long> {
+
+}

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

@@ -0,0 +1,41 @@
+package com.ssafy.springbootapi.domain.post.domain;
+
+
+import com.ssafy.springbootapi.domain.user.domain.User;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter @Setter
+public class Post {
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    private String contents;
+
+    private LocalDateTime createdAt;
+
+    private LocalDateTime updatedAt;
+
+    private Long likes;
+
+    private Long dislikes;
+
+    private Long views;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    public Post(long l, String firstPost, LocalDateTime now, LocalDateTime now1, long l1, long l2, long l3, User user) {
+    }
+
+
+    public Post() {
+
+    }
+}

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

@@ -0,0 +1,27 @@
+package com.ssafy.springbootapi.domain.post.domain;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter @Setter
+public class PostReply {
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    private String contents;
+
+    private LocalDateTime createdAt;
+
+    private LocalDateTime updatedAt;
+
+    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/Post.java

@@ -0,0 +1,19 @@
+package com.ssafy.springbootapi.domain.post.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.sql.Date;
+
+@Getter @Setter
+public class Post {
+    private Long id;
+    private String contents;
+    private Date createdAt;
+    private Date updatedAt;
+    private Long likes;
+    private Long dislikes;
+    private Long views;
+    private Long userId;
+
+}

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

@@ -0,0 +1,17 @@
+package com.ssafy.springbootapi.domain.post.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.sql.Date;
+
+
+@Getter @Setter
+public class PostReply {
+    private Long id;
+    private String contents;
+    private Date createdAt;
+    private Date updatedAt;
+    private Long likes;
+    private Long postId;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/user/domain/User.java

@@ -0,0 +1,21 @@
+package com.ssafy.springbootapi.domain.user.domain;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Getter
+@Setter
+public class User {
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    private String username;
+
+
+    // 생성자, getter, setter 등은 생략
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/global/error/GlobalExceptionHandler.java

@@ -0,0 +1,24 @@
+package com.ssafy.springbootapi.global.error;
+
+import jakarta.persistence.EntityNotFoundException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(RuntimeException.class)
+    public ResponseEntity<String> handleRuntimeException(RuntimeException ex) {
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("서버 내부 오류가 발생했습니다.");
+    }
+
+    @ExceptionHandler(EntityNotFoundException.class)
+    public ResponseEntity<String> handleEntityNotFoundException(EntityNotFoundException ex) {
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).body("존재하지 않습니다.");
+    }
+
+
+
+}