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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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104
backend/src/main/java/com/openisle/mapper/UserMapper.java Normal file
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package com.openisle.mapper;
import com.openisle.dto.*;
import com.openisle.model.Comment;
import com.openisle.model.Post;
import com.openisle.model.User;
import com.openisle.service.*;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
/** Mapper for user related DTOs. */
@Component
@RequiredArgsConstructor
public class UserMapper {
private final SubscriptionService subscriptionService;
private final PostService postService;
private final CommentService commentService;
private final ReactionService reactionService;
private final UserVisitService userVisitService;
private final PostReadService postReadService;
private final LevelService levelService;
@Value("${app.snippet-length:50}")
private int snippetLength;
public AuthorDto toAuthorDto(User user) {
AuthorDto dto = new AuthorDto();
dto.setId(user.getId());
dto.setUsername(user.getUsername());
dto.setAvatar(user.getAvatar());
return dto;
}
public UserDto toDto(User user, Authentication viewer) {
UserDto dto = new UserDto();
dto.setId(user.getId());
dto.setUsername(user.getUsername());
dto.setEmail(user.getEmail());
dto.setAvatar(user.getAvatar());
dto.setRole(user.getRole().name());
dto.setIntroduction(user.getIntroduction());
dto.setFollowers(subscriptionService.countSubscribers(user.getUsername()));
dto.setFollowing(subscriptionService.countSubscribed(user.getUsername()));
dto.setCreatedAt(user.getCreatedAt());
dto.setLastPostTime(postService.getLastPostTime(user.getUsername()));
dto.setLastCommentTime(commentService.getLastCommentTimeOfUserByUserId(user.getId()));
dto.setTotalViews(postService.getTotalViews(user.getUsername()));
dto.setVisitedDays(userVisitService.countVisits(user.getUsername()));
dto.setReadPosts(postReadService.countReads(user.getUsername()));
dto.setLikesSent(reactionService.countLikesSent(user.getUsername()));
dto.setLikesReceived(reactionService.countLikesReceived(user.getUsername()));
dto.setExperience(user.getExperience());
dto.setCurrentLevel(levelService.getLevel(user.getExperience()));
dto.setNextLevelExp(levelService.nextLevelExp(user.getExperience()));
if (viewer != null) {
dto.setSubscribed(subscriptionService.isSubscribed(viewer.getName(), user.getUsername()));
} else {
dto.setSubscribed(false);
}
return dto;
}
public UserDto toDto(User user) {
return toDto(user, null);
}
public PostMetaDto toMetaDto(Post post) {
PostMetaDto dto = new PostMetaDto();
dto.setId(post.getId());
dto.setTitle(post.getTitle());
String content = post.getContent();
if (content == null) {
content = "";
}
if (snippetLength >= 0) {
dto.setSnippet(content.length() > snippetLength ? content.substring(0, snippetLength) : content);
} else {
dto.setSnippet(content);
}
dto.setCreatedAt(post.getCreatedAt());
dto.setCategory(post.getCategory().getName());
dto.setViews(post.getViews());
return dto;
}
public CommentInfoDto toCommentInfoDto(Comment comment) {
CommentInfoDto dto = new CommentInfoDto();
dto.setId(comment.getId());
dto.setContent(comment.getContent());
dto.setCreatedAt(comment.getCreatedAt());
dto.setPost(toMetaDto(comment.getPost()));
if (comment.getParent() != null) {
ParentCommentDto pc = new ParentCommentDto();
pc.setId(comment.getParent().getId());
pc.setAuthor(comment.getParent().getAuthor().getUsername());
pc.setContent(comment.getParent().getContent());
dto.setParentComment(pc);
}
return dto;
}
}