PostController.java

package com.example.devSns.controller;

import com.example.devSns.entity.Post;
import com.example.devSns.service.PostService;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/posts")
public class PostController {
    private final PostService postService;

    public PostController(PostService postService) {
        this.postService = postService;
    }

    @PostMapping
    public ResponseEntity<Post> createPost(@RequestBody Post post) {
        Post createdPost = postService.createPost(post);
        return ResponseEntity.status(HttpStatus.CREATED).body(createdPost);
    }

    @GetMapping
    public ResponseEntity<List<Post>> getAllPosts() {
        List<Post> posts = postService.getAllPosts();
        return ResponseEntity.ok(posts);
    }

    @GetMapping("/{id}")
    public ResponseEntity<Post> getPostById(@PathVariable Long id) {
        Post post = postService.getPostById(id);
        return ResponseEntity.ok(post);
    }

    @PutMapping("/{id}")
    public ResponseEntity<Post> updatePost(
            @PathVariable Long id,
            @RequestBody Post updatedPost) {
        Post post = postService.updatePost(id, updatedPost);
        return ResponseEntity.ok(post);
    }

    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deletePost(@PathVariable Long id) {
        postService.deletePost(id);
        return ResponseEntity.noContent().build();
    }
}