19979da59e
Phase 2c 全部 14 个 Task 完成，包含： 后端（Go）： - MinIO 文件存储服务集成（Docker + Go SDK + 通用上传 API） - Group 模块完整实现（DAO + Service + Controller + Router + Wire） - 18 个群管理 REST API + 11 个 WS 群事件推送 - 群创建/解散/邀请/踢人/退出/转让群主/设管理员/禁言/全体禁言/群公告/群昵称/免打扰/搜索 - IM Service 扩展（群消息发送/撤回 + @提醒 + 管理员无时限撤回） - 已读回执后端（单聊会话级 last_read_msg_id + 群聊消息级 im_message_reads） - 管理端群组管理（列表/详情/解散） - 数据库迁移（3 张新表 + 2 张表字段扩展） 前端（uni-app）： - 群聊 Store + API 封装 + 11 个 WS 事件监听 - 已读回执 UI（单聊已读/未读标记 + 群聊 X人已读 + 已读详情页） - 7 个群聊页面（对话/创建/设置/成员/邀请/审批/搜索） - 会话列表改造（全部/单聊/群聊 Tab + @标记 + 免打扰标识） 管理端（Vue 3 + Element Plus）： - 群组列表页（搜索/分页/详情弹窗/解散群聊） - 侧边栏群组管理入口 文档同步：进度/架构/设计/API/规范文档全部更新 Made-with: Cursor
941 lines
28 KiB
Go
941 lines
28 KiB
Go
// Package service 提供 group 模块的业务逻辑
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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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"fmt"
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authModel "github.com/echochat/backend/app/auth/model"
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"github.com/echochat/backend/app/constants"
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"github.com/echochat/backend/app/dto"
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"github.com/echochat/backend/app/group/dao"
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"github.com/echochat/backend/app/group/model"
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imModel "github.com/echochat/backend/app/im/model"
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"github.com/echochat/backend/pkg/logs"
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"github.com/echochat/backend/pkg/ws"
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"go.uber.org/zap"
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"gorm.io/gorm"
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)
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var (
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ErrGroupNotFound = errors.New("群聊不存在")
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ErrGroupDissolved = errors.New("群聊已解散")
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ErrNotGroupMember = errors.New("你不是该群成员")
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ErrNotGroupOwner = errors.New("仅群主可执行此操作")
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ErrNotGroupAdmin = errors.New("仅群主或管理员可执行此操作")
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ErrGroupFull = errors.New("群成员已满")
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ErrAlreadyMember = errors.New("该用户已是群成员")
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ErrCannotKickHigherRole = errors.New("不能操作同级或更高权限的成员")
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ErrOwnerCannotLeave = errors.New("群主不能退出群聊，请先转让群主")
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ErrCannotMuteSelf = errors.New("不能禁言自己")
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ErrAlreadyMuted = errors.New("该成员已被禁言")
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ErrUserMuted = errors.New("你已被禁言，无法发送消息")
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ErrGroupAllMuted = errors.New("当前群已开启全体禁言")
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ErrPendingRequestExists = errors.New("已有待处理的入群申请")
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ErrJoinRequestNotFound = errors.New("入群申请不存在")
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)
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// UserInfoProvider 获取用户信息的接口（通过接口注入，由 contact.FriendshipDAO 隐式实现）
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type UserInfoProvider interface {
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GetUsersByIDs(ctx context.Context, userIDs []int64) ([]authModel.User, error)
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}
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// MessageWriter 写入系统消息的接口（由 im.MessageDAO 隐式实现）
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type MessageWriter interface {
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Create(ctx context.Context, msg *imModel.Message) error
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}
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// GroupService 群聊业务服务
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type GroupService struct {
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groupDAO *dao.GroupDAO
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joinRequestDAO *dao.JoinRequestDAO
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userInfo UserInfoProvider
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pubsub *ws.PubSub
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msgWriter MessageWriter
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}
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// NewGroupService 创建 GroupService 实例
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func NewGroupService(
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groupDAO *dao.GroupDAO,
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joinRequestDAO *dao.JoinRequestDAO,
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userInfo UserInfoProvider,
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pubsub *ws.PubSub,
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msgWriter MessageWriter,
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) *GroupService {
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return &GroupService{
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groupDAO: groupDAO,
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joinRequestDAO: joinRequestDAO,
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userInfo: userInfo,
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pubsub: pubsub,
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msgWriter: msgWriter,
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}
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}
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// CreateGroup 创建群聊
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func (s *GroupService) CreateGroup(ctx context.Context, ownerID int64, req *dto.CreateGroupRequest) (*dto.GroupDTO, error) {
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funcName := "service.group_service.CreateGroup"
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logs.Info(ctx, funcName, "创建群聊",
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zap.Int64("owner_id", ownerID), zap.String("name", req.Name), zap.Int("member_count", len(req.MemberIDs)))
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group, err := s.groupDAO.CreateGroupWithMembers(ctx, ownerID, req.Name, req.Avatar, req.MemberIDs)
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if err != nil {
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logs.Error(ctx, funcName, "创建群聊失败", zap.Error(err))
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return nil, err
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}
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s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 创建了群聊", s.getUserNickname(ctx, ownerID)))
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allMemberIDs := append([]int64{ownerID}, req.MemberIDs...)
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s.pushToMembers(ctx, allMemberIDs, 0, "group.created", map[string]interface{}{
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"group_id": group.ID,
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"conversation_id": group.ConversationID,
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"name": group.Name,
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"owner_id": ownerID,
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})
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return s.toGroupDTO(group, int(len(req.MemberIDs)+1)), nil
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}
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// GetGroupDetail 获取群详情（需要是群成员）
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func (s *GroupService) GetGroupDetail(ctx context.Context, userID, groupID int64) (*dto.GroupDTO, error) {
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funcName := "service.group_service.GetGroupDetail"
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logs.Debug(ctx, funcName, "获取群详情",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
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group, err := s.groupDAO.GetByID(ctx, groupID)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrGroupNotFound
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}
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return nil, err
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}
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_, err = s.groupDAO.GetMember(ctx, group.ConversationID, userID)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrNotGroupMember
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}
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return nil, err
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}
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count, _ := s.groupDAO.GetMemberCount(ctx, group.ConversationID)
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return s.toGroupDTO(group, int(count)), nil
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}
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// UpdateGroup 更新群信息（群主或管理员）
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func (s *GroupService) UpdateGroup(ctx context.Context, userID, groupID int64, req *dto.UpdateGroupRequest) error {
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funcName := "service.group_service.UpdateGroup"
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logs.Info(ctx, funcName, "更新群信息",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
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group, _, err := s.checkGroupAdmin(ctx, groupID, userID)
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if err != nil {
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return err
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}
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updates := make(map[string]interface{})
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if req.Name != nil {
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updates["name"] = *req.Name
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}
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if req.Avatar != nil {
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updates["avatar"] = *req.Avatar
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}
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if req.Notice != nil {
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updates["notice"] = *req.Notice
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}
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if req.IsSearchable != nil {
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updates["is_searchable"] = *req.IsSearchable
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}
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if len(updates) == 0 {
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return nil
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}
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if err := s.groupDAO.UpdateGroupInfo(ctx, groupID, updates); err != nil {
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return err
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}
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if req.Notice != nil {
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s.writeSystemMessage(ctx, group.ConversationID,
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fmt.Sprintf("%s 更新了群公告", s.getUserNickname(ctx, userID)))
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}
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s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.info.update", map[string]interface{}{
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"group_id": groupID,
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"conversation_id": group.ConversationID,
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"operator_id": userID,
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"updates": updates,
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})
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return nil
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}
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// DissolveGroup 解散群聊（仅群主）
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func (s *GroupService) DissolveGroup(ctx context.Context, userID, groupID int64) error {
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funcName := "service.group_service.DissolveGroup"
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logs.Info(ctx, funcName, "解散群聊",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
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group, err := s.getActiveGroup(ctx, groupID)
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if err != nil {
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return err
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}
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if group.OwnerID != userID {
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return ErrNotGroupOwner
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}
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memberIDs, _ := s.groupDAO.GetMemberIDs(ctx, group.ConversationID)
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if err := s.groupDAO.DissolveGroup(ctx, groupID); err != nil {
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return err
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}
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s.writeSystemMessage(ctx, group.ConversationID, "群聊已解散")
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s.pushToMembers(ctx, memberIDs, 0, "group.dissolved", map[string]interface{}{
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"group_id": groupID,
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"conversation_id": group.ConversationID,
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"operator_id": userID,
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})
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return nil
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}
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// GetMembers 获取群成员列表（需要是群成员）
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func (s *GroupService) GetMembers(ctx context.Context, userID, groupID int64) ([]dto.GroupMemberDTO, error) {
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funcName := "service.group_service.GetMembers"
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logs.Debug(ctx, funcName, "获取群成员列表",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
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group, err := s.getActiveGroup(ctx, groupID)
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if err != nil {
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return nil, err
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}
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_, err = s.groupDAO.GetMember(ctx, group.ConversationID, userID)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrNotGroupMember
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}
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return nil, err
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}
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members, err := s.groupDAO.GetMembers(ctx, group.ConversationID)
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if err != nil {
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return nil, err
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}
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userIDs := make([]int64, 0, len(members))
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for _, m := range members {
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userIDs = append(userIDs, m.UserID)
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}
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userMap := make(map[int64]*authModel.User)
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if len(userIDs) > 0 && s.userInfo != nil {
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users, uErr := s.userInfo.GetUsersByIDs(ctx, userIDs)
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if uErr != nil {
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logs.Error(ctx, funcName, "批量查询用户信息失败", zap.Error(uErr))
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} else {
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for i := range users {
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userMap[users[i].ID] = &users[i]
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}
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}
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}
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list := make([]dto.GroupMemberDTO, 0, len(members))
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for _, m := range members {
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item := dto.GroupMemberDTO{
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UserID: m.UserID,
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Nickname: m.Nickname,
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Role: m.Role,
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IsMuted: m.IsMuted,
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}
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if m.JoinedAt != nil {
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item.JoinedAt = m.JoinedAt.Format("2006-01-02 15:04:05")
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}
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if user, ok := userMap[m.UserID]; ok {
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item.UserNickname = user.Nickname
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item.Avatar = user.Avatar
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}
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list = append(list, item)
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}
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return list, nil
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}
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// InviteMembers 邀请用户入群（群主/管理员）
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func (s *GroupService) InviteMembers(ctx context.Context, userID, groupID int64, targetIDs []int64) error {
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funcName := "service.group_service.InviteMembers"
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logs.Info(ctx, funcName, "邀请入群",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID), zap.Int("count", len(targetIDs)))
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group, _, err := s.checkGroupAdmin(ctx, groupID, userID)
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if err != nil {
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return err
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}
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count, err := s.groupDAO.GetMemberCount(ctx, group.ConversationID)
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if err != nil {
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return err
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}
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if int(count)+len(targetIDs) > group.MaxMembers {
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return ErrGroupFull
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}
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addedIDs := make([]int64, 0, len(targetIDs))
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for _, uid := range targetIDs {
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existing, _ := s.groupDAO.GetMember(ctx, group.ConversationID, uid)
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if existing != nil {
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continue
|
||
}
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if err := s.groupDAO.AddMember(ctx, group.ConversationID, uid, constants.GroupRoleNormal); err != nil {
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logs.Error(ctx, funcName, "添加成员失败", zap.Int64("target_id", uid), zap.Error(err))
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return err
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}
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addedIDs = append(addedIDs, uid)
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}
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if len(addedIDs) > 0 {
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inviterName := s.getUserNickname(ctx, userID)
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addedNames := s.getUserNicknames(ctx, addedIDs)
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s.writeSystemMessage(ctx, group.ConversationID,
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fmt.Sprintf("%s 邀请 %s 加入了群聊", inviterName, joinNames(addedNames)))
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s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.member.join", map[string]interface{}{
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"group_id": groupID,
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"conversation_id": group.ConversationID,
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"user_ids": addedIDs,
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"operator_id": userID,
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})
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}
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return nil
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||
}
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// KickMember 踢出群成员（群主/管理员，不能操作同级或更高权限的成员）
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func (s *GroupService) KickMember(ctx context.Context, userID, groupID, targetID int64) error {
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funcName := "service.group_service.KickMember"
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logs.Info(ctx, funcName, "踢出成员",
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zap.Int64("user_id", userID), zap.Int64("group_id", groupID), zap.Int64("target_id", targetID))
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group, operatorMember, err := s.checkGroupAdmin(ctx, groupID, userID)
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if err != nil {
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return err
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}
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targetMember, err := s.groupDAO.GetMember(ctx, group.ConversationID, targetID)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return ErrNotGroupMember
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}
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return err
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}
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if targetMember.Role >= operatorMember.Role {
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return ErrCannotKickHigherRole
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}
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if err := s.groupDAO.RemoveMember(ctx, group.ConversationID, targetID); err != nil {
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return err
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}
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targetName := s.getUserNickname(ctx, targetID)
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s.writeSystemMessage(ctx, group.ConversationID,
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fmt.Sprintf("%s 被移出了群聊", targetName))
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s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.member.kicked", map[string]interface{}{
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"group_id": groupID,
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"conversation_id": group.ConversationID,
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"user_id": targetID,
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"operator_id": userID,
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})
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s.pushToUser(ctx, targetID, "group.member.kicked", map[string]interface{}{
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"group_id": groupID,
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"conversation_id": group.ConversationID,
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"user_id": targetID,
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"operator_id": userID,
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||
})
|
||
|
||
return nil
|
||
}
|
||
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||
// SetMemberRole 设置/取消管理员（仅群主）
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func (s *GroupService) SetMemberRole(ctx context.Context, userID, groupID, targetID int64, role int) error {
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funcName := "service.group_service.SetMemberRole"
|
||
logs.Info(ctx, funcName, "设置成员角色",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID),
|
||
zap.Int64("target_id", targetID), zap.Int("role", role))
|
||
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if group.OwnerID != userID {
|
||
return ErrNotGroupOwner
|
||
}
|
||
|
||
_, err = s.groupDAO.GetMember(ctx, group.ConversationID, targetID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrNotGroupMember
|
||
}
|
||
return err
|
||
}
|
||
|
||
if err := s.groupDAO.UpdateMemberRole(ctx, group.ConversationID, targetID, role); err != nil {
|
||
return err
|
||
}
|
||
|
||
targetName := s.getUserNickname(ctx, targetID)
|
||
if role == constants.GroupRoleAdmin {
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 被设为管理员", targetName))
|
||
} else {
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 被取消管理员", targetName))
|
||
}
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.role.update", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"user_id": targetID,
|
||
"role": role,
|
||
"operator_id": userID,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// MuteMember 禁言/解除禁言成员（群主/管理员）
|
||
func (s *GroupService) MuteMember(ctx context.Context, userID, groupID, targetID int64, isMuted bool) error {
|
||
funcName := "service.group_service.MuteMember"
|
||
logs.Info(ctx, funcName, "更新禁言状态",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID),
|
||
zap.Int64("target_id", targetID), zap.Bool("is_muted", isMuted))
|
||
|
||
if userID == targetID {
|
||
return ErrCannotMuteSelf
|
||
}
|
||
|
||
group, operatorMember, err := s.checkGroupAdmin(ctx, groupID, userID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
targetMember, err := s.groupDAO.GetMember(ctx, group.ConversationID, targetID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrNotGroupMember
|
||
}
|
||
return err
|
||
}
|
||
|
||
if targetMember.Role >= operatorMember.Role {
|
||
return ErrCannotKickHigherRole
|
||
}
|
||
|
||
if err := s.groupDAO.UpdateMemberMuted(ctx, group.ConversationID, targetID, isMuted); err != nil {
|
||
return err
|
||
}
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.mute.update", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"user_id": targetID,
|
||
"is_muted": isMuted,
|
||
"operator_id": userID,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// LeaveGroup 退出群聊（群主不能退出，需先转让）
|
||
func (s *GroupService) LeaveGroup(ctx context.Context, userID, groupID int64) error {
|
||
funcName := "service.group_service.LeaveGroup"
|
||
logs.Info(ctx, funcName, "退出群聊",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
|
||
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if group.OwnerID == userID {
|
||
return ErrOwnerCannotLeave
|
||
}
|
||
|
||
_, err = s.groupDAO.GetMember(ctx, group.ConversationID, userID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrNotGroupMember
|
||
}
|
||
return err
|
||
}
|
||
|
||
if err := s.groupDAO.RemoveMember(ctx, group.ConversationID, userID); err != nil {
|
||
return err
|
||
}
|
||
|
||
userName := s.getUserNickname(ctx, userID)
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 退出了群聊", userName))
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.member.leave", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"user_id": userID,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// TransferOwner 转让群主（仅群主）
|
||
func (s *GroupService) TransferOwner(ctx context.Context, userID, groupID, newOwnerID int64) error {
|
||
funcName := "service.group_service.TransferOwner"
|
||
logs.Info(ctx, funcName, "转让群主",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID), zap.Int64("new_owner", newOwnerID))
|
||
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
if group.OwnerID != userID {
|
||
return ErrNotGroupOwner
|
||
}
|
||
|
||
_, err = s.groupDAO.GetMember(ctx, group.ConversationID, newOwnerID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrNotGroupMember
|
||
}
|
||
return err
|
||
}
|
||
|
||
if err := s.groupDAO.TransferOwner(ctx, groupID, userID, newOwnerID, group.ConversationID); err != nil {
|
||
return err
|
||
}
|
||
|
||
oldOwnerName := s.getUserNickname(ctx, userID)
|
||
newOwnerName := s.getUserNickname(ctx, newOwnerID)
|
||
s.writeSystemMessage(ctx, group.ConversationID,
|
||
fmt.Sprintf("%s 将群主转让给了 %s", oldOwnerName, newOwnerName))
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.owner.transfer", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"old_owner_id": userID,
|
||
"new_owner_id": newOwnerID,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// UpdateNickname 修改群内昵称
|
||
func (s *GroupService) UpdateNickname(ctx context.Context, userID, groupID int64, nickname string) error {
|
||
funcName := "service.group_service.UpdateNickname"
|
||
logs.Info(ctx, funcName, "修改群昵称",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
|
||
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
_, err = s.groupDAO.GetMember(ctx, group.ConversationID, userID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrNotGroupMember
|
||
}
|
||
return err
|
||
}
|
||
|
||
return s.groupDAO.UpdateMemberNickname(ctx, group.ConversationID, userID, nickname)
|
||
}
|
||
|
||
// SubmitJoinRequest 提交入群申请
|
||
func (s *GroupService) SubmitJoinRequest(ctx context.Context, userID, groupID int64, message string) error {
|
||
funcName := "service.group_service.SubmitJoinRequest"
|
||
logs.Info(ctx, funcName, "提交入群申请",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
|
||
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
existing, _ := s.groupDAO.GetMember(ctx, group.ConversationID, userID)
|
||
if existing != nil {
|
||
return ErrAlreadyMember
|
||
}
|
||
|
||
pending, _ := s.joinRequestDAO.GetPendingByGroupAndUser(ctx, groupID, userID)
|
||
if pending != nil {
|
||
return ErrPendingRequestExists
|
||
}
|
||
|
||
req, err := s.joinRequestDAO.Create(ctx, groupID, userID, message)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
adminIDs, _ := s.groupDAO.GetAdminIDs(ctx, group.ConversationID)
|
||
userName := s.getUserNickname(ctx, userID)
|
||
s.pushToMembers(ctx, adminIDs, 0, "group.join.request", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"request_id": req.ID,
|
||
"user_id": userID,
|
||
"user_nickname": userName,
|
||
"message": message,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// GetJoinRequests 获取入群申请列表（群主/管理员）
|
||
func (s *GroupService) GetJoinRequests(ctx context.Context, userID, groupID int64) ([]dto.JoinRequestDTO, error) {
|
||
funcName := "service.group_service.GetJoinRequests"
|
||
logs.Debug(ctx, funcName, "获取入群申请列表",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID))
|
||
|
||
_, _, err := s.checkGroupAdmin(ctx, groupID, userID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
requests, err := s.joinRequestDAO.GetListByGroup(ctx, groupID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
userIDs := make([]int64, 0, len(requests))
|
||
for _, r := range requests {
|
||
userIDs = append(userIDs, r.UserID)
|
||
}
|
||
|
||
userMap := make(map[int64]*authModel.User)
|
||
if len(userIDs) > 0 && s.userInfo != nil {
|
||
users, uErr := s.userInfo.GetUsersByIDs(ctx, userIDs)
|
||
if uErr != nil {
|
||
logs.Error(ctx, funcName, "批量查询用户信息失败", zap.Error(uErr))
|
||
} else {
|
||
for i := range users {
|
||
userMap[users[i].ID] = &users[i]
|
||
}
|
||
}
|
||
}
|
||
|
||
list := make([]dto.JoinRequestDTO, 0, len(requests))
|
||
for _, r := range requests {
|
||
item := dto.JoinRequestDTO{
|
||
ID: r.ID,
|
||
GroupID: r.GroupID,
|
||
UserID: r.UserID,
|
||
Message: r.Message,
|
||
Status: r.Status,
|
||
CreatedAt: r.CreatedAt.Format("2006-01-02 15:04:05"),
|
||
}
|
||
if user, ok := userMap[r.UserID]; ok {
|
||
item.UserNickname = user.Nickname
|
||
item.UserAvatar = user.Avatar
|
||
}
|
||
list = append(list, item)
|
||
}
|
||
|
||
return list, nil
|
||
}
|
||
|
||
// ReviewJoinRequest 审批入群申请（群主/管理员）
|
||
func (s *GroupService) ReviewJoinRequest(ctx context.Context, userID, groupID, requestID int64, action string) error {
|
||
funcName := "service.group_service.ReviewJoinRequest"
|
||
logs.Info(ctx, funcName, "审批入群申请",
|
||
zap.Int64("user_id", userID), zap.Int64("request_id", requestID), zap.String("action", action))
|
||
|
||
group, _, err := s.checkGroupAdmin(ctx, groupID, userID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
req, err := s.joinRequestDAO.GetByID(ctx, requestID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return ErrJoinRequestNotFound
|
||
}
|
||
return err
|
||
}
|
||
|
||
if req.GroupID != groupID || req.Status != constants.JoinRequestStatusPending {
|
||
return ErrJoinRequestNotFound
|
||
}
|
||
|
||
if action == "approve" {
|
||
count, _ := s.groupDAO.GetMemberCount(ctx, group.ConversationID)
|
||
if int(count) >= group.MaxMembers {
|
||
return ErrGroupFull
|
||
}
|
||
|
||
if err := s.joinRequestDAO.Approve(ctx, requestID, userID); err != nil {
|
||
return err
|
||
}
|
||
if err := s.groupDAO.AddMember(ctx, group.ConversationID, req.UserID, constants.GroupRoleNormal); err != nil {
|
||
return err
|
||
}
|
||
|
||
newMemberName := s.getUserNickname(ctx, req.UserID)
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 加入了群聊", newMemberName))
|
||
|
||
s.pushToUser(ctx, req.UserID, "group.join.approved", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"request_id": requestID,
|
||
})
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.member.join", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"user_ids": []int64{req.UserID},
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
return s.joinRequestDAO.Reject(ctx, requestID, userID)
|
||
}
|
||
|
||
// SearchGroups 搜索公开群
|
||
func (s *GroupService) SearchGroups(ctx context.Context, req *dto.SearchGroupRequest) (*dto.SearchGroupResponse, error) {
|
||
funcName := "service.group_service.SearchGroups"
|
||
logs.Debug(ctx, funcName, "搜索群聊", zap.String("keyword", req.Keyword))
|
||
|
||
page := req.Page
|
||
if page <= 0 {
|
||
page = 1
|
||
}
|
||
pageSize := req.PageSize
|
||
if pageSize <= 0 {
|
||
pageSize = 20
|
||
}
|
||
offset := (page - 1) * pageSize
|
||
|
||
groups, total, err := s.groupDAO.SearchGroups(ctx, req.Keyword, offset, pageSize)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
list := make([]dto.GroupDTO, 0, len(groups))
|
||
for _, g := range groups {
|
||
count, _ := s.groupDAO.GetMemberCount(ctx, g.ConversationID)
|
||
list = append(list, *s.toGroupDTO(&g, int(count)))
|
||
}
|
||
|
||
return &dto.SearchGroupResponse{List: list, Total: total}, nil
|
||
}
|
||
|
||
// SetAllMuted 设置/取消全体禁言（群主/管理员）
|
||
func (s *GroupService) SetAllMuted(ctx context.Context, userID, groupID int64, isMuted bool) error {
|
||
funcName := "service.group_service.SetAllMuted"
|
||
logs.Info(ctx, funcName, "设置全体禁言",
|
||
zap.Int64("user_id", userID), zap.Int64("group_id", groupID), zap.Bool("is_muted", isMuted))
|
||
|
||
group, _, err := s.checkGroupAdmin(ctx, groupID, userID)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
if err := s.groupDAO.SetAllMuted(ctx, groupID, isMuted); err != nil {
|
||
return err
|
||
}
|
||
|
||
operatorName := s.getUserNickname(ctx, userID)
|
||
if isMuted {
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 开启了全体禁言", operatorName))
|
||
} else {
|
||
s.writeSystemMessage(ctx, group.ConversationID, fmt.Sprintf("%s 关闭了全体禁言", operatorName))
|
||
}
|
||
|
||
s.pushToGroupMembers(ctx, group.ConversationID, 0, "group.mute.update", map[string]interface{}{
|
||
"group_id": groupID,
|
||
"conversation_id": group.ConversationID,
|
||
"is_all_muted": isMuted,
|
||
"operator_id": userID,
|
||
})
|
||
|
||
return nil
|
||
}
|
||
|
||
// ====== 内部辅助方法 ======
|
||
|
||
// getActiveGroup 获取群聊并校验是否存在且未解散
|
||
func (s *GroupService) getActiveGroup(ctx context.Context, groupID int64) (*model.Group, error) {
|
||
group, err := s.groupDAO.GetByID(ctx, groupID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, ErrGroupNotFound
|
||
}
|
||
return nil, err
|
||
}
|
||
if group.Status == constants.GroupStatusDissolved {
|
||
return nil, ErrGroupDissolved
|
||
}
|
||
return group, nil
|
||
}
|
||
|
||
// checkGroupAdmin 校验用户是群主或管理员
|
||
func (s *GroupService) checkGroupAdmin(ctx context.Context, groupID, userID int64) (*model.Group, *imMember, error) {
|
||
group, err := s.getActiveGroup(ctx, groupID)
|
||
if err != nil {
|
||
return nil, nil, err
|
||
}
|
||
|
||
member, err := s.groupDAO.GetMember(ctx, group.ConversationID, userID)
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, nil, ErrNotGroupMember
|
||
}
|
||
return nil, nil, err
|
||
}
|
||
|
||
if member.Role < constants.GroupRoleAdmin {
|
||
return nil, nil, ErrNotGroupAdmin
|
||
}
|
||
|
||
return group, &imMember{
|
||
UserID: member.UserID,
|
||
Role: member.Role,
|
||
}, nil
|
||
}
|
||
|
||
// imMember 内部使用的成员简要信息
|
||
type imMember struct {
|
||
UserID int64
|
||
Role int
|
||
}
|
||
|
||
// ====== 推送和系统消息辅助方法 ======
|
||
|
||
// pushToUser 向单个用户推送通知
|
||
func (s *GroupService) pushToUser(ctx context.Context, userID int64, event string, data interface{}) {
|
||
if s.pubsub == nil {
|
||
return
|
||
}
|
||
push := ws.NewPushMessage(event, data)
|
||
bytes, err := ws.MarshalPush(push)
|
||
if err != nil {
|
||
logs.Error(ctx, "service.group_service.pushToUser", "序列化推送消息失败", zap.Error(err))
|
||
return
|
||
}
|
||
if err := s.pubsub.Publish(ctx, userID, bytes); err != nil {
|
||
logs.Error(ctx, "service.group_service.pushToUser", "推送失败",
|
||
zap.Int64("user_id", userID), zap.Error(err))
|
||
}
|
||
}
|
||
|
||
// pushToMembers 向指定用户列表推送通知（排除 excludeUID）
|
||
func (s *GroupService) pushToMembers(ctx context.Context, memberIDs []int64, excludeUID int64, event string, data interface{}) {
|
||
if s.pubsub == nil || len(memberIDs) == 0 {
|
||
return
|
||
}
|
||
push := ws.NewPushMessage(event, data)
|
||
bytes, err := ws.MarshalPush(push)
|
||
if err != nil {
|
||
logs.Error(ctx, "service.group_service.pushToMembers", "序列化推送消息失败", zap.Error(err))
|
||
return
|
||
}
|
||
for _, uid := range memberIDs {
|
||
if uid == excludeUID {
|
||
continue
|
||
}
|
||
if pErr := s.pubsub.Publish(ctx, uid, bytes); pErr != nil {
|
||
logs.Error(ctx, "service.group_service.pushToMembers", "推送失败",
|
||
zap.Int64("user_id", uid), zap.Error(pErr))
|
||
}
|
||
}
|
||
}
|
||
|
||
// pushToGroupMembers 向群所有成员推送通知（通过 conversationID 查成员）
|
||
func (s *GroupService) pushToGroupMembers(ctx context.Context, conversationID int64, excludeUID int64, event string, data interface{}) {
|
||
memberIDs, err := s.groupDAO.GetMemberIDs(ctx, conversationID)
|
||
if err != nil {
|
||
logs.Error(ctx, "service.group_service.pushToGroupMembers", "获取成员列表失败", zap.Error(err))
|
||
return
|
||
}
|
||
s.pushToMembers(ctx, memberIDs, excludeUID, event, data)
|
||
}
|
||
|
||
// writeSystemMessage 写入系统消息到群会话
|
||
func (s *GroupService) writeSystemMessage(ctx context.Context, conversationID int64, content string) {
|
||
if s.msgWriter == nil {
|
||
return
|
||
}
|
||
msg := &imModel.Message{
|
||
ConversationID: conversationID,
|
||
SenderID: 0,
|
||
Type: constants.MessageTypeSystem,
|
||
Content: content,
|
||
Status: constants.MessageStatusNormal,
|
||
}
|
||
if err := s.msgWriter.Create(ctx, msg); err != nil {
|
||
logs.Error(ctx, "service.group_service.writeSystemMessage", "写入系统消息失败", zap.Error(err))
|
||
}
|
||
}
|
||
|
||
// getUserNickname 获取单个用户昵称（推送文案使用，查询失败返回默认值）
|
||
func (s *GroupService) getUserNickname(ctx context.Context, userID int64) string {
|
||
if s.userInfo == nil {
|
||
return "用户"
|
||
}
|
||
users, err := s.userInfo.GetUsersByIDs(ctx, []int64{userID})
|
||
if err != nil || len(users) == 0 {
|
||
return "用户"
|
||
}
|
||
return users[0].Nickname
|
||
}
|
||
|
||
// getUserNicknames 批量获取用户昵称列表
|
||
func (s *GroupService) getUserNicknames(ctx context.Context, userIDs []int64) []string {
|
||
if s.userInfo == nil || len(userIDs) == 0 {
|
||
return nil
|
||
}
|
||
users, err := s.userInfo.GetUsersByIDs(ctx, userIDs)
|
||
if err != nil {
|
||
return nil
|
||
}
|
||
nameMap := make(map[int64]string, len(users))
|
||
for _, u := range users {
|
||
nameMap[u.ID] = u.Nickname
|
||
}
|
||
names := make([]string, 0, len(userIDs))
|
||
for _, id := range userIDs {
|
||
if n, ok := nameMap[id]; ok {
|
||
names = append(names, n)
|
||
}
|
||
}
|
||
return names
|
||
}
|
||
|
||
// joinNames 将名称列表用顿号连接（中文习惯）
|
||
func joinNames(names []string) string {
|
||
if len(names) == 0 {
|
||
return ""
|
||
}
|
||
result := names[0]
|
||
for i := 1; i < len(names); i++ {
|
||
result += "、" + names[i]
|
||
}
|
||
return result
|
||
}
|
||
|
||
// toGroupDTO 将 model.Group 转换为 dto.GroupDTO
|
||
func (s *GroupService) toGroupDTO(g *model.Group, memberCount int) *dto.GroupDTO {
|
||
return &dto.GroupDTO{
|
||
ID: g.ID,
|
||
ConversationID: g.ConversationID,
|
||
Name: g.Name,
|
||
Avatar: g.Avatar,
|
||
OwnerID: g.OwnerID,
|
||
Notice: g.Notice,
|
||
MaxMembers: g.MaxMembers,
|
||
MemberCount: memberCount,
|
||
IsSearchable: g.IsSearchable,
|
||
IsAllMuted: g.IsAllMuted,
|
||
Status: g.Status,
|
||
CreatedAt: g.CreatedAt.Format("2006-01-02 15:04:05"),
|
||
}
|
||
}
|