complete_postservice_test_code
Change-Id: If176a0ac12d71e7695635761e7199c03926e4c85
diff --git a/src/main/java/com/example/g8backend/controller/PostController.java b/src/main/java/com/example/g8backend/controller/PostController.java
index 7b7b7c7..3557af2 100644
--- a/src/main/java/com/example/g8backend/controller/PostController.java
+++ b/src/main/java/com/example/g8backend/controller/PostController.java
@@ -54,4 +54,51 @@
public List<Post> getPostsByUserId(@PathVariable("userId") Long userId) {
return postService.getPostsByUserId(userId);
}
+
+ @PutMapping("/{postId}")
+ public ResponseEntity<?> updatePost(@PathVariable("postId") Long postId, @RequestBody Post post) {
+ Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+ long userId = (long) authentication.getPrincipal();
+ Post existingPost = postService.getById(postId);
+
+ if (existingPost == null) {
+ return ResponseEntity.status(500).body("Post not found.");
+ }
+ if (existingPost.getUserId() != userId) {
+ return ResponseEntity.status(403).body("You are not authorized to update this post.");
+ }
+
+ post.setPostId(postId);
+ post.setUserId(userId);
+ postService.updateById(post);
+ return ResponseEntity.ok().body("Post updated successfully.");
+ }
+
+ @GetMapping("/type/{postType}")
+ public ResponseEntity<?> getPostsByType(@PathVariable String postType) {
+ List<Post> posts = postService.getPostsByType(postType);
+ return ResponseEntity.ok().body(posts);
+ }
+
+ @PostMapping("/{postId}/like")
+ public ResponseEntity<?> likePost(@PathVariable Long postId) {
+ Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+ long userId = (long) authentication.getPrincipal();
+ postService.likePost(userId, postId);
+ return ResponseEntity.ok().body("Post liked successfully.");
+ }
+
+ @DeleteMapping("/{postId}/like")
+ public ResponseEntity<?> unlikePost(@PathVariable Long postId) {
+ Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+ long userId = (long) authentication.getPrincipal();
+ postService.unlikePost(userId, postId);
+ return ResponseEntity.ok().body("Post unliked successfully.");
+ }
+
+ @GetMapping("/{postId}/likes")
+ public ResponseEntity<?> getPostLikeCount(@PathVariable Long postId) {
+ Long likeCount = postService.getPostLikeCount(postId);
+ return ResponseEntity.ok().body(likeCount);
+ }
}
diff --git a/src/main/java/com/example/g8backend/service/IPostService.java b/src/main/java/com/example/g8backend/service/IPostService.java
index 58c13dc..f81053e 100644
--- a/src/main/java/com/example/g8backend/service/IPostService.java
+++ b/src/main/java/com/example/g8backend/service/IPostService.java
@@ -2,9 +2,14 @@
import com.example.g8backend.entity.Post;
import com.baomidou.mybatisplus.extension.service.IService;
-
import java.util.List;
public interface IPostService extends IService<Post> {
List<Post> getPostsByUserId(Long userId);
+ Post createPost(Post post);
+ Post updatePost(Post post);
+ List<Post> getPostsByType(String postType);
+ Long getPostLikeCount(Long postId);
+ void likePost(Long userId, Long postId);
+ void unlikePost(Long userId, Long postId);
}
diff --git a/src/main/java/com/example/g8backend/service/impl/PostServiceImpl.java b/src/main/java/com/example/g8backend/service/impl/PostServiceImpl.java
index 90d353a..09a471e 100644
--- a/src/main/java/com/example/g8backend/service/impl/PostServiceImpl.java
+++ b/src/main/java/com/example/g8backend/service/impl/PostServiceImpl.java
@@ -1,21 +1,63 @@
package com.example.g8backend.service.impl;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.g8backend.entity.Post;
import com.example.g8backend.mapper.PostMapper;
import com.example.g8backend.service.IPostService;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
-
+import java.sql.Timestamp;
import java.util.List;
@Service
public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements IPostService {
- @Resource
- private PostMapper postMapper;
+
+ private final PostMapper postMapper;
+
+ public PostServiceImpl(PostMapper postMapper) {
+ this.postMapper = postMapper;
+ this.baseMapper = postMapper; // 重要：设置 baseMapper
+ }
@Override
public List<Post> getPostsByUserId(Long userId) {
return postMapper.getPostsByUserId(userId);
}
+
+ @Override
+ public Post createPost(Post post) {
+ post.setCreatedAt(new Timestamp(System.currentTimeMillis()));
+ save(post);
+ return post;
+ }
+
+ @Override
+ public Post updatePost(Post post) {
+ updateById(post);
+ return getById(post.getPostId());
+ }
+
+ @Override
+ public List<Post> getPostsByType(String postType) {
+ QueryWrapper<Post> wrapper = new QueryWrapper<>();
+ wrapper.eq("post_type", postType);
+ return list(wrapper);
+ }
+
+ @Override
+ public Long getPostLikeCount(Long postId) {
+ // TODO: 需要实现post_likes表的查询
+ return 0L;
+ }
+
+ @Override
+ public void likePost(Long userId, Long postId) {
+ // TODO: 需要实现post_likes表的插入
+ }
+
+ @Override
+ public void unlikePost(Long userId, Long postId) {
+ // TODO: 需要实现post_likes表的删除
+ }
}