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feat: implement post editing

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Tim
2025-07-22 18:09:59 +08:00
parent 929b9baa0c
commit 7d29b7d6e8
5 changed files with 392 additions and 0 deletions
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8
src/main/java/com/openisle/controller/PostController.java
View File

@@ -50,6 +50,14 @@ public class PostController {
return ResponseEntity.ok(toDto(post));
}
@PutMapping("/{id}")
public ResponseEntity<PostDto> updatePost(@PathVariable Long id, @RequestBody PostRequest req,
Authentication auth) {
Post post = postService.updatePost(id, auth.getName(), req.getCategoryId(),
req.getTitle(), req.getContent(), req.getTagIds());
return ResponseEntity.ok(toDto(post));
}
@DeleteMapping("/{id}")
public void deletePost(@PathVariable Long id, Authentication auth) {
postService.deletePost(id, auth.getName());

33
src/main/java/com/openisle/service/PostService.java
View File

@@ -347,6 +347,39 @@ public class PostService {
return post;
}
@org.springframework.transaction.annotation.Transactional
public Post updatePost(Long id,
String username,
Long categoryId,
String title,
String content,
java.util.List<Long> tagIds) {
if (tagIds == null || tagIds.isEmpty()) {
throw new IllegalArgumentException("At least one tag required");
}
if (tagIds.size() > 2) {
throw new IllegalArgumentException("At most two tags allowed");
}
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
User user = userRepository.findByUsername(username)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
if (!user.getId().equals(post.getAuthor().getId()) && user.getRole() != Role.ADMIN) {
throw new IllegalArgumentException("Unauthorized");
}
Category category = categoryRepository.findById(categoryId)
.orElseThrow(() -> new IllegalArgumentException("Category not found"));
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
throw new IllegalArgumentException("Tag not found");
}
post.setTitle(title);
post.setContent(content);
post.setCategory(category);
post.setTags(new java.util.HashSet<>(tags));
return postRepository.save(post);
}
@org.springframework.transaction.annotation.Transactional
public void deletePost(Long id, String username) {
Post post = postRepository.findById(id)