feat(admin): add comprehensive admin management system
- Add admin handlers and services for users, posts, comments, groups, and dashboard - Implement role permission management with ability to view and update permissions - Add database seeding for roles and Casbin permission policies - Upgrade Casbin from v2 to v3 with GORM adapter for persistent policy storage - Add admin-specific repository methods with filtering and pagination - Register new admin API routes under /api/v1/admin/*
This commit is contained in:
341
internal/service/admin_post_service.go
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341
internal/service/admin_post_service.go
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package service
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import (
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"context"
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"carrot_bbs/internal/cache"
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"carrot_bbs/internal/dto"
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"carrot_bbs/internal/model"
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"carrot_bbs/internal/repository"
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)
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// AdminPostService 管理端帖子服务接口
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type AdminPostService interface {
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// GetPostList 获取帖子列表（分页、搜索、状态筛选）
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GetPostList(ctx context.Context, page, pageSize int, keyword, status, authorID, startDate, endDate string) ([]dto.AdminPostListResponse, int64, error)
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// GetPostDetail 获取帖子详情
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GetPostDetail(ctx context.Context, postID string) (*dto.AdminPostDetailResponse, error)
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// DeletePost 删除帖子
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DeletePost(ctx context.Context, postID string) error
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// ModeratePost 审核帖子
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ModeratePost(ctx context.Context, postID string, status model.PostStatus, reason, reviewedBy string) (*dto.AdminPostDetailResponse, error)
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// BatchDeletePosts 批量删除帖子
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BatchDeletePosts(ctx context.Context, ids []string) (*dto.AdminBatchOperationResponse, error)
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// BatchModeratePosts 批量审核帖子
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BatchModeratePosts(ctx context.Context, ids []string, status model.PostStatus, reviewedBy string) (*dto.AdminBatchOperationResponse, error)
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// SetPostPin 置顶/取消置顶帖子
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SetPostPin(ctx context.Context, postID string, isPinned bool) (*dto.AdminPostDetailResponse, error)
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// SetPostFeature 加精/取消加精帖子
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SetPostFeature(ctx context.Context, postID string, isFeatured bool) (*dto.AdminPostDetailResponse, error)
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}
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// adminPostServiceImpl 管理端帖子服务实现
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type adminPostServiceImpl struct {
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postRepo *repository.PostRepository
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cache cache.Cache
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}
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// NewAdminPostService 创建管理端帖子服务
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func NewAdminPostService(postRepo *repository.PostRepository, cacheBackend cache.Cache) AdminPostService {
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return &adminPostServiceImpl{
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postRepo: postRepo,
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cache: cacheBackend,
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}
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}
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// GetPostList 获取帖子列表
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func (s *adminPostServiceImpl) GetPostList(ctx context.Context, page, pageSize int, keyword, status, authorID, startDate, endDate string) ([]dto.AdminPostListResponse, int64, error) {
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query := repository.AdminPostListQuery{
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Page: page,
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PageSize: pageSize,
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Keyword: keyword,
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Status: status,
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AuthorID: authorID,
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StartDate: startDate,
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EndDate: endDate,
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}
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posts, total, err := s.postRepo.AdminList(query)
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if err != nil {
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return nil, 0, err
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}
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responses := make([]dto.AdminPostListResponse, len(posts))
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for i, post := range posts {
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responses[i] = convertPostToAdminListResponse(post)
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}
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return responses, total, nil
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}
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// GetPostDetail 获取帖子详情
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func (s *adminPostServiceImpl) GetPostDetail(ctx context.Context, postID string) (*dto.AdminPostDetailResponse, error) {
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post, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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return convertPostToAdminDetailResponse(post), nil
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}
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// DeletePost 删除帖子
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func (s *adminPostServiceImpl) DeletePost(ctx context.Context, postID string) error {
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err := s.postRepo.Delete(postID)
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if err != nil {
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return err
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}
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// 失效缓存
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cache.InvalidatePostDetail(s.cache, postID)
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cache.InvalidatePostList(s.cache)
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return nil
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}
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// ModeratePost 审核帖子
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func (s *adminPostServiceImpl) ModeratePost(ctx context.Context, postID string, status model.PostStatus, reason, reviewedBy string) (*dto.AdminPostDetailResponse, error) {
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// 先检查帖子是否存在
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_, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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// 更新审核状态
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if err := s.postRepo.UpdateModerationStatus(postID, status, reason, reviewedBy); err != nil {
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return nil, err
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}
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// 失效缓存
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cache.InvalidatePostDetail(s.cache, postID)
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cache.InvalidatePostList(s.cache)
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// 重新获取帖子信息
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post, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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return convertPostToAdminDetailResponse(post), nil
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}
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// BatchDeletePosts 批量删除帖子
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func (s *adminPostServiceImpl) BatchDeletePosts(ctx context.Context, ids []string) (*dto.AdminBatchOperationResponse, error) {
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failedIDs, err := s.postRepo.BatchDelete(ids)
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if err != nil {
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return &dto.AdminBatchOperationResponse{
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Success: false,
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Message: "批量删除失败",
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Failed: ids,
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}, err
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}
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// 失效缓存
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for _, id := range ids {
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cache.InvalidatePostDetail(s.cache, id)
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}
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cache.InvalidatePostList(s.cache)
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if len(failedIDs) == 0 {
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return &dto.AdminBatchOperationResponse{
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Success: true,
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Message: "批量删除成功",
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}, nil
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}
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return &dto.AdminBatchOperationResponse{
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Success: true,
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Message: "部分帖子删除成功",
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Failed: failedIDs,
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}, nil
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}
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// BatchModeratePosts 批量审核帖子
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func (s *adminPostServiceImpl) BatchModeratePosts(ctx context.Context, ids []string, status model.PostStatus, reviewedBy string) (*dto.AdminBatchOperationResponse, error) {
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failedIDs, err := s.postRepo.BatchUpdateStatus(ids, status, reviewedBy)
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if err != nil {
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return &dto.AdminBatchOperationResponse{
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Success: false,
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Message: "批量审核失败",
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Failed: ids,
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}, err
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}
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// 失效缓存
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for _, id := range ids {
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cache.InvalidatePostDetail(s.cache, id)
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}
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cache.InvalidatePostList(s.cache)
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if len(failedIDs) == 0 {
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return &dto.AdminBatchOperationResponse{
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Success: true,
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Message: "批量审核成功",
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}, nil
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}
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return &dto.AdminBatchOperationResponse{
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Success: true,
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Message: "部分帖子审核成功",
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Failed: failedIDs,
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}, nil
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}
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// SetPostPin 置顶/取消置顶帖子
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func (s *adminPostServiceImpl) SetPostPin(ctx context.Context, postID string, isPinned bool) (*dto.AdminPostDetailResponse, error) {
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// 先检查帖子是否存在
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_, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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// 更新置顶状态
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if err := s.postRepo.UpdatePinStatus(postID, isPinned); err != nil {
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return nil, err
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}
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// 失效缓存
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cache.InvalidatePostDetail(s.cache, postID)
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cache.InvalidatePostList(s.cache)
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// 重新获取帖子信息
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post, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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return convertPostToAdminDetailResponse(post), nil
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}
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// SetPostFeature 加精/取消加精帖子
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func (s *adminPostServiceImpl) SetPostFeature(ctx context.Context, postID string, isFeatured bool) (*dto.AdminPostDetailResponse, error) {
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// 先检查帖子是否存在
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_, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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// 更新加精状态
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if err := s.postRepo.UpdateFeatureStatus(postID, isFeatured); err != nil {
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return nil, err
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}
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// 失效缓存
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cache.InvalidatePostDetail(s.cache, postID)
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cache.InvalidatePostList(s.cache)
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// 重新获取帖子信息
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post, err := s.postRepo.GetByIDForAdmin(postID)
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if err != nil {
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return nil, err
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}
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return convertPostToAdminDetailResponse(post), nil
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}
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// convertPostToAdminListResponse 转换帖子为管理端列表响应
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func convertPostToAdminListResponse(post *model.Post) dto.AdminPostListResponse {
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images := make([]dto.PostImageResponse, len(post.Images))
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for i, img := range post.Images {
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images[i] = dto.PostImageResponse{
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ID: img.ID,
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URL: img.URL,
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ThumbnailURL: img.ThumbnailURL,
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Width: img.Width,
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Height: img.Height,
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}
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}
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var author *dto.UserResponse
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if post.User != nil {
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author = &dto.UserResponse{
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ID: post.User.ID,
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Username: post.User.Username,
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Nickname: post.User.Nickname,
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Email: post.User.Email,
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Phone: post.User.Phone,
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Avatar: post.User.Avatar,
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Bio: post.User.Bio,
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Website: post.User.Website,
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Location: post.User.Location,
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CreatedAt: post.User.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
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}
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}
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return dto.AdminPostListResponse{
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ID: post.ID,
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UserID: post.UserID,
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Title: post.Title,
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Content: post.Content,
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Images: images,
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Status: string(post.Status),
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LikesCount: post.LikesCount,
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CommentsCount: post.CommentsCount,
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FavoritesCount: post.FavoritesCount,
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ViewsCount: post.ViewsCount,
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IsPinned: post.IsPinned,
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IsFeatured: post.IsFeatured,
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IsLocked: post.IsLocked,
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RejectReason: post.RejectReason,
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ReviewedAt: dto.FormatTimePointer(post.ReviewedAt),
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ReviewedBy: post.ReviewedBy,
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CreatedAt: post.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
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UpdatedAt: post.UpdatedAt.Format("2006-01-02T15:04:05Z07:00"),
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Author: author,
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}
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}
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// convertPostToAdminDetailResponse 转换帖子为管理端详情响应
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func convertPostToAdminDetailResponse(post *model.Post) *dto.AdminPostDetailResponse {
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images := make([]dto.PostImageResponse, len(post.Images))
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for i, img := range post.Images {
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images[i] = dto.PostImageResponse{
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ID: img.ID,
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URL: img.URL,
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ThumbnailURL: img.ThumbnailURL,
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Width: img.Width,
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Height: img.Height,
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}
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}
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var author *dto.UserResponse
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if post.User != nil {
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author = &dto.UserResponse{
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ID: post.User.ID,
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Username: post.User.Username,
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Nickname: post.User.Nickname,
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Email: post.User.Email,
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Phone: post.User.Phone,
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Avatar: post.User.Avatar,
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Bio: post.User.Bio,
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Website: post.User.Website,
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Location: post.User.Location,
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CreatedAt: post.User.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
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}
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}
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return &dto.AdminPostDetailResponse{
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ID: post.ID,
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UserID: post.UserID,
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CommunityID: post.CommunityID,
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Title: post.Title,
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Content: post.Content,
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Images: images,
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Status: string(post.Status),
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LikesCount: post.LikesCount,
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CommentsCount: post.CommentsCount,
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FavoritesCount: post.FavoritesCount,
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SharesCount: post.SharesCount,
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ViewsCount: post.ViewsCount,
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HotScore: post.HotScore,
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IsPinned: post.IsPinned,
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IsFeatured: post.IsFeatured,
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IsLocked: post.IsLocked,
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IsVote: post.IsVote,
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RejectReason: post.RejectReason,
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ReviewedAt: dto.FormatTimePointer(post.ReviewedAt),
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ReviewedBy: post.ReviewedBy,
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CreatedAt: post.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
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UpdatedAt: post.UpdatedAt.Format("2006-01-02T15:04:05Z07:00"),
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Author: author,
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}
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}
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