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feat: add dedicated mappers

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Tim
2025-08-04 21:10:09 +08:00
parent 2db998a9d9
commit e2e5942941
17 changed files with 374 additions and 408 deletions
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101
backend/src/main/java/com/openisle/mapper/PostMapper.java
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@@ -1,7 +1,12 @@
package com.openisle.mapper;
import com.openisle.dto.*;
import com.openisle.model.*;
import com.openisle.dto.CommentDto;
import com.openisle.dto.PostDetailDto;
import com.openisle.dto.PostSummaryDto;
import com.openisle.dto.ReactionDto;
import com.openisle.model.CommentSort;
import com.openisle.model.Post;
import com.openisle.model.User;
import com.openisle.service.CommentService;
import com.openisle.service.ReactionService;
import com.openisle.service.SubscriptionService;
@@ -12,9 +17,7 @@ import java.time.LocalDateTime;
import java.util.List;
import java.util.stream.Collectors;
/**
* Mapper responsible for converting domain models into DTOs.
*/
/** Mapper responsible for converting posts into DTOs. */
@Component
@RequiredArgsConstructor
public class PostMapper {
@@ -22,6 +25,11 @@ public class PostMapper {
private final CommentService commentService;
private final ReactionService reactionService;
private final SubscriptionService subscriptionService;
private final CommentMapper commentMapper;
private final ReactionMapper reactionMapper;
private final UserMapper userMapper;
private final TagMapper tagMapper;
private final CategoryMapper categoryMapper;
public PostSummaryDto toSummaryDto(Post post) {
PostSummaryDto dto = new PostSummaryDto();
@@ -34,7 +42,7 @@ public class PostMapper {
applyCommon(post, dto);
List<CommentDto> comments = commentService.getCommentsForPost(post.getId(), CommentSort.OLDEST)
.stream()
.map(this::toCommentDtoWithReplies)
.map(commentMapper::toDtoWithReplies)
.collect(Collectors.toList());
dto.setComments(comments);
dto.setSubscribed(viewer != null && subscriptionService.isPostSubscribed(viewer, post.getId()));
@@ -46,96 +54,25 @@ public class PostMapper {
dto.setTitle(post.getTitle());
dto.setContent(post.getContent());
dto.setCreatedAt(post.getCreatedAt());
dto.setAuthor(toAuthorDto(post.getAuthor()));
dto.setCategory(toCategoryDto(post.getCategory()));
dto.setTags(post.getTags().stream().map(this::toTagDto).collect(Collectors.toList()));
dto.setAuthor(userMapper.toAuthorDto(post.getAuthor()));
dto.setCategory(categoryMapper.toDto(post.getCategory()));
dto.setTags(post.getTags().stream().map(tagMapper::toDto).collect(Collectors.toList()));
dto.setViews(post.getViews());
dto.setStatus(post.getStatus());
dto.setPinnedAt(post.getPinnedAt());
List<ReactionDto> reactions = reactionService.getReactionsForPost(post.getId())
.stream()
.map(this::toReactionDto)
.map(reactionMapper::toDto)
.collect(Collectors.toList());
dto.setReactions(reactions);
List<User> participants = commentService.getParticipants(post.getId(), 5);
dto.setParticipants(participants.stream().map(this::toAuthorDto).collect(Collectors.toList()));
dto.setParticipants(participants.stream().map(userMapper::toAuthorDto).collect(Collectors.toList()));
LocalDateTime last = commentService.getLastCommentTime(post.getId());
dto.setLastReplyAt(last != null ? last : post.getCreatedAt());
dto.setReward(0);
dto.setSubscribed(false);
}
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(toAuthorDto(comment.getAuthor()));
dto.setReward(0);
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());
}
dto.setReward(0);
return dto;
}
private CategoryDto toCategoryDto(Category category) {
CategoryDto dto = new CategoryDto();
dto.setId(category.getId());
dto.setName(category.getName());
dto.setDescription(category.getDescription());
dto.setIcon(category.getIcon());
dto.setSmallIcon(category.getSmallIcon());
return dto;
}
private TagDto toTagDto(Tag tag) {
TagDto dto = new TagDto();
dto.setId(tag.getId());
dto.setName(tag.getName());
dto.setDescription(tag.getDescription());
dto.setIcon(tag.getIcon());
dto.setSmallIcon(tag.getSmallIcon());
dto.setCreatedAt(tag.getCreatedAt());
return dto;
}
private AuthorDto toAuthorDto(User user) {
AuthorDto dto = new AuthorDto();
dto.setId(user.getId());
dto.setUsername(user.getUsername());
dto.setAvatar(user.getAvatar());
return dto;
}
}