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:
390
internal/service/admin_group_service.go
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390
internal/service/admin_group_service.go
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package service
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import (
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"context"
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"errors"
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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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// AdminGroupService 管理端群组服务接口
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type AdminGroupService interface {
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// GetGroupList 获取群组列表（分页、搜索、筛选）
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GetGroupList(ctx context.Context, page, pageSize int, keyword, status, ownerID, startDate, endDate string) ([]dto.AdminGroupListResponse, int64, error)
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// GetGroupDetail 获取群组详情
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GetGroupDetail(ctx context.Context, groupID string) (*dto.AdminGroupDetailResponse, error)
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// GetGroupMembers 获取群组成员列表
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GetGroupMembers(ctx context.Context, groupID string, page, pageSize int) (*dto.AdminGroupMemberListResponse, error)
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// DeleteGroup 解散群组
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DeleteGroup(ctx context.Context, groupID string) error
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// UpdateGroupStatus 更新群组状态
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UpdateGroupStatus(ctx context.Context, groupID string, status string) (*dto.AdminGroupDetailResponse, error)
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// RemoveMember 移除群组成员
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RemoveMember(ctx context.Context, groupID string, userID string) error
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// TransferOwner 转让群主
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TransferOwner(ctx context.Context, groupID string, newOwnerID string) (*dto.AdminGroupDetailResponse, error)
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}
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// adminGroupServiceImpl 管理端群组服务实现
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type adminGroupServiceImpl struct {
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groupRepo repository.GroupRepository
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userRepo *repository.UserRepository
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}
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// NewAdminGroupService 创建管理端群组服务
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func NewAdminGroupService(
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groupRepo repository.GroupRepository,
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userRepo *repository.UserRepository,
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) AdminGroupService {
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return &adminGroupServiceImpl{
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groupRepo: groupRepo,
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userRepo: userRepo,
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}
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}
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// GetGroupList 获取群组列表
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func (s *adminGroupServiceImpl) GetGroupList(ctx context.Context, page, pageSize int, keyword, status, ownerID, startDate, endDate string) ([]dto.AdminGroupListResponse, int64, error) {
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groups, total, err := s.groupRepo.GetGroupList(page, pageSize, keyword, status, ownerID, startDate, endDate)
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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.AdminGroupListResponse, 0, len(groups))
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for _, group := range groups {
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response := dto.AdminGroupListResponse{
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ID: group.ID,
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Name: group.Name,
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Avatar: group.Avatar,
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Description: group.Description,
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OwnerID: group.OwnerID,
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MemberCount: group.MemberCount,
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MaxMembers: group.MaxMembers,
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JoinType: int(group.JoinType),
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MuteAll: group.MuteAll,
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Status: "active", // 默认状态为active，后续可以根据需要添加状态字段
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CreatedAt: dto.FormatTime(group.CreatedAt),
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UpdatedAt: dto.FormatTime(group.UpdatedAt),
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}
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// 获取群主信息
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if group.OwnerID != "" {
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owner, err := s.userRepo.GetByID(group.OwnerID)
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if err == nil && owner != nil {
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response.Owner = &dto.UserResponse{
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ID: owner.ID,
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Username: owner.Username,
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Nickname: owner.Nickname,
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Avatar: owner.Avatar,
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CreatedAt: dto.FormatTime(owner.CreatedAt),
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}
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}
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}
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// 获取帖子数量
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postCount, _ := s.groupRepo.GetGroupPostCount(group.ID)
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response.PostCount = postCount
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responses = append(responses, response)
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}
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return responses, total, nil
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}
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// GetGroupDetail 获取群组详情
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func (s *adminGroupServiceImpl) GetGroupDetail(ctx context.Context, groupID string) (*dto.AdminGroupDetailResponse, error) {
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group, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, err
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}
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response := &dto.AdminGroupDetailResponse{
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ID: group.ID,
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Name: group.Name,
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Avatar: group.Avatar,
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Description: group.Description,
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OwnerID: group.OwnerID,
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MemberCount: group.MemberCount,
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MaxMembers: group.MaxMembers,
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JoinType: int(group.JoinType),
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MuteAll: group.MuteAll,
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Status: "active",
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IsPublic: true, // 默认为公开群组，后续可以根据需要添加字段
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CreatedAt: dto.FormatTime(group.CreatedAt),
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UpdatedAt: dto.FormatTime(group.UpdatedAt),
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}
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// 获取群主信息
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if group.OwnerID != "" {
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owner, err := s.userRepo.GetByID(group.OwnerID)
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if err == nil && owner != nil {
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response.Owner = &dto.UserResponse{
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ID: owner.ID,
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Username: owner.Username,
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Nickname: owner.Nickname,
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Email: owner.Email,
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Phone: owner.Phone,
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Avatar: owner.Avatar,
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Bio: owner.Bio,
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Website: owner.Website,
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Location: owner.Location,
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CreatedAt: dto.FormatTime(owner.CreatedAt),
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}
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}
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}
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// 获取帖子数量
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postCount, _ := s.groupRepo.GetGroupPostCount(group.ID)
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response.PostCount = postCount
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// 获取最新公告
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announcement, _ := s.groupRepo.GetLatestAnnouncement(groupID)
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if announcement != nil {
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response.Announcement = &dto.GroupAnnouncementResponse{
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ID: announcement.ID,
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GroupID: announcement.GroupID,
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Content: announcement.Content,
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AuthorID: announcement.AuthorID,
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IsPinned: announcement.IsPinned,
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CreatedAt: dto.FormatTime(announcement.CreatedAt),
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}
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}
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return response, nil
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}
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// GetGroupMembers 获取群组成员列表
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func (s *adminGroupServiceImpl) GetGroupMembers(ctx context.Context, groupID string, page, pageSize int) (*dto.AdminGroupMemberListResponse, error) {
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// 先检查群组是否存在
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_, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, errors.New("群组不存在")
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}
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members, total, err := s.groupRepo.GetMembersWithUserInfo(groupID, page, pageSize)
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if err != nil {
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return nil, err
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}
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list := make([]*dto.AdminGroupMemberResponse, 0, len(members))
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for _, member := range members {
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item := &dto.AdminGroupMemberResponse{
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ID: member.ID,
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UserID: member.UserID,
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Role: member.Role,
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Nickname: member.Nickname,
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Muted: member.Muted,
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JoinedAt: dto.FormatTime(member.JoinTime),
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}
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if member.User != nil {
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item.Username = member.User.Username
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item.Nickname = member.User.Nickname
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item.Avatar = member.User.Avatar
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item.User = &dto.UserResponse{
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ID: member.User.ID,
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Username: member.User.Username,
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Nickname: member.User.Nickname,
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Avatar: member.User.Avatar,
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CreatedAt: dto.FormatTime(member.User.CreatedAt),
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}
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}
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list = append(list, item)
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}
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return &dto.AdminGroupMemberListResponse{
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List: list,
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Total: total,
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Page: page,
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PageSize: pageSize,
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}, nil
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}
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// DeleteGroup 解散群组
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func (s *adminGroupServiceImpl) DeleteGroup(ctx context.Context, groupID string) error {
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// 先检查群组是否存在
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_, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return errors.New("群组不存在")
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}
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return s.groupRepo.Delete(groupID)
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}
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// UpdateGroupStatus 更新群组状态
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func (s *adminGroupServiceImpl) UpdateGroupStatus(ctx context.Context, groupID string, status string) (*dto.AdminGroupDetailResponse, error) {
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// 先检查群组是否存在
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group, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, errors.New("群组不存在")
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}
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// 验证状态值
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if status != "active" && status != "dissolved" {
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return nil, errors.New("无效的状态值")
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}
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// 如果状态是dissolved，则解散群组
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if status == "dissolved" {
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err = s.groupRepo.Delete(groupID)
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if err != nil {
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return nil, err
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}
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} else {
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// 更新群组状态
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err = s.groupRepo.UpdateGroupStatus(groupID, status)
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if err != nil {
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return nil, err
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}
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// 重新获取群组信息
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group, err = s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, err
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}
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}
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// 构建响应
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response := &dto.AdminGroupDetailResponse{
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ID: group.ID,
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Name: group.Name,
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Avatar: group.Avatar,
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Description: group.Description,
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OwnerID: group.OwnerID,
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MemberCount: group.MemberCount,
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MaxMembers: group.MaxMembers,
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JoinType: int(group.JoinType),
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MuteAll: group.MuteAll,
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Status: status,
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IsPublic: true,
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CreatedAt: dto.FormatTime(group.CreatedAt),
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UpdatedAt: dto.FormatTime(group.UpdatedAt),
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}
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// 获取群主信息
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if group.OwnerID != "" {
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owner, err := s.userRepo.GetByID(group.OwnerID)
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if err == nil && owner != nil {
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response.Owner = &dto.UserResponse{
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ID: owner.ID,
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Username: owner.Username,
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Nickname: owner.Nickname,
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Avatar: owner.Avatar,
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CreatedAt: dto.FormatTime(owner.CreatedAt),
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}
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}
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}
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return response, nil
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}
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// RemoveMember 移除群组成员
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func (s *adminGroupServiceImpl) RemoveMember(ctx context.Context, groupID string, userID string) error {
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// 先检查群组是否存在
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_, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return errors.New("群组不存在")
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}
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// 检查用户是否是群成员
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member, err := s.groupRepo.GetMember(groupID, userID)
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if err != nil {
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return errors.New("用户不是群组成员")
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}
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// 不能移除群主
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if member.Role == model.GroupRoleOwner {
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return errors.New("不能移除群主")
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}
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return s.groupRepo.RemoveMember(groupID, userID)
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}
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// TransferOwner 转让群主
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func (s *adminGroupServiceImpl) TransferOwner(ctx context.Context, groupID string, newOwnerID string) (*dto.AdminGroupDetailResponse, error) {
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// 先检查群组是否存在
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group, err := s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, errors.New("群组不存在")
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}
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// 检查新群主是否是群成员
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newOwnerMember, err := s.groupRepo.GetMember(groupID, newOwnerID)
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if err != nil {
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return nil, errors.New("新群主不是群组成员")
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}
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// 获取当前群主信息
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currentOwnerMember, err := s.groupRepo.GetMember(groupID, group.OwnerID)
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if err != nil {
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return nil, errors.New("当前群主信息不存在")
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}
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oldOwnerID := group.OwnerID
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// 更新当前群主为普通成员
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err = s.groupRepo.SetMemberRole(groupID, oldOwnerID, model.GroupRoleMember)
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if err != nil {
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return nil, err
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}
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// 更新新群主角色
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err = s.groupRepo.SetMemberRole(groupID, newOwnerID, model.GroupRoleOwner)
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if err != nil {
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// 回滚
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_ = s.groupRepo.SetMemberRole(groupID, oldOwnerID, model.GroupRoleOwner)
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return nil, err
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}
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// 更新群组的OwnerID
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group.OwnerID = newOwnerID
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err = s.groupRepo.Update(group)
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if err != nil {
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// 回滚
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_ = s.groupRepo.SetMemberRole(groupID, oldOwnerID, model.GroupRoleOwner)
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_ = s.groupRepo.SetMemberRole(groupID, newOwnerID, newOwnerMember.Role)
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return nil, err
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}
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// 重新获取群组信息
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group, err = s.groupRepo.GetByID(groupID)
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if err != nil {
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return nil, err
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}
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// 构建响应
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response := &dto.AdminGroupDetailResponse{
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ID: group.ID,
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Name: group.Name,
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Avatar: group.Avatar,
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Description: group.Description,
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OwnerID: group.OwnerID,
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MemberCount: group.MemberCount,
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MaxMembers: group.MaxMembers,
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JoinType: int(group.JoinType),
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MuteAll: group.MuteAll,
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Status: "active",
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IsPublic: true,
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CreatedAt: dto.FormatTime(group.CreatedAt),
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UpdatedAt: dto.FormatTime(group.UpdatedAt),
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}
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// 获取新群主信息
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if group.OwnerID != "" {
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owner, err := s.userRepo.GetByID(group.OwnerID)
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if err == nil && owner != nil {
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response.Owner = &dto.UserResponse{
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ID: owner.ID,
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Username: owner.Username,
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Nickname: owner.Nickname,
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Avatar: owner.Avatar,
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CreatedAt: dto.FormatTime(owner.CreatedAt),
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}
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}
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}
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_ = currentOwnerMember // 避免 unused variable 警告
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return response, nil
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}
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Reference in New Issue
Block a user