Merge pull request #13 from nagisa77/codex/add-comments-and-reactions-to-post-info

Add comments and reactions to post detail
This commit is contained in:
Tim
2025-06-30 20:44:01 +08:00
committed by GitHub
3 changed files with 94 additions and 0 deletions

View File

@@ -1,7 +1,11 @@
package com.openisle.controller;
import com.openisle.model.Comment;
import com.openisle.model.Post;
import com.openisle.model.Reaction;
import com.openisle.service.CommentService;
import com.openisle.service.PostService;
import com.openisle.service.ReactionService;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import org.springframework.http.ResponseEntity;
@@ -30,6 +34,8 @@ curl http://localhost:8080/api/posts/1 \
@RequiredArgsConstructor
public class PostController {
private final PostService postService;
private final CommentService commentService;
private final ReactionService reactionService;
@PostMapping
public ResponseEntity<PostDto> createPost(@RequestBody PostRequest req, Authentication auth) {
@@ -57,6 +63,58 @@ public class PostController {
dto.setCreatedAt(post.getCreatedAt());
dto.setAuthor(post.getAuthor().getUsername());
dto.setViews(post.getViews());
List<ReactionDto> reactions = reactionService.getReactionsForPost(post.getId())
.stream()
.map(this::toReactionDto)
.collect(Collectors.toList());
dto.setReactions(reactions);
List<CommentDto> comments = commentService.getCommentsForPost(post.getId())
.stream()
.map(this::toCommentDtoWithReplies)
.collect(Collectors.toList());
dto.setComments(comments);
return dto;
}
private CommentDto toCommentDtoWithReplies(Comment comment) {
CommentDto dto = toCommentDto(comment);
List<CommentDto> replies = commentService.getReplies(comment.getId()).stream()
.map(this::toCommentDtoWithReplies)
.collect(Collectors.toList());
dto.setReplies(replies);
List<ReactionDto> reactions = reactionService.getReactionsForComment(comment.getId())
.stream()
.map(this::toReactionDto)
.collect(Collectors.toList());
dto.setReactions(reactions);
return dto;
}
private CommentDto toCommentDto(Comment comment) {
CommentDto dto = new CommentDto();
dto.setId(comment.getId());
dto.setContent(comment.getContent());
dto.setCreatedAt(comment.getCreatedAt());
dto.setAuthor(comment.getAuthor().getUsername());
return dto;
}
private ReactionDto toReactionDto(Reaction reaction) {
ReactionDto dto = new ReactionDto();
dto.setId(reaction.getId());
dto.setType(reaction.getType());
dto.setUser(reaction.getUser().getUsername());
if (reaction.getPost() != null) {
dto.setPostId(reaction.getPost().getId());
}
if (reaction.getComment() != null) {
dto.setCommentId(reaction.getComment().getId());
}
return dto;
}
@@ -74,5 +132,26 @@ public class PostController {
private LocalDateTime createdAt;
private String author;
private long views;
private List<CommentDto> comments;
private List<ReactionDto> reactions;
}
@Data
private static class CommentDto {
private Long id;
private String content;
private LocalDateTime createdAt;
private String author;
private List<CommentDto> replies;
private List<ReactionDto> reactions;
}
@Data
private static class ReactionDto {
private Long id;
private com.openisle.model.ReactionType type;
private String user;
private Long postId;
private Long commentId;
}
}

View File

@@ -6,9 +6,12 @@ import com.openisle.model.Reaction;
import com.openisle.model.User;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
import java.util.Optional;
public interface ReactionRepository extends JpaRepository<Reaction, Long> {
Optional<Reaction> findByUserAndPost(User user, Post post);
Optional<Reaction> findByUserAndComment(User user, Comment comment);
List<Reaction> findByPost(Post post);
List<Reaction> findByComment(Comment comment);
}

View File

@@ -46,4 +46,16 @@ public class ReactionService {
reaction.setType(type);
return reactionRepository.save(reaction);
}
public java.util.List<Reaction> getReactionsForPost(Long postId) {
Post post = postRepository.findById(postId)
.orElseThrow(() -> new IllegalArgumentException("Post not found"));
return reactionRepository.findByPost(post);
}
public java.util.List<Reaction> getReactionsForComment(Long commentId) {
Comment comment = commentRepository.findById(commentId)
.orElseThrow(() -> new IllegalArgumentException("Comment not found"));
return reactionRepository.findByComment(comment);
}
}