修复了一些问题

internal/api/room_handler.go

@@ -934,3 +934,93 @@ func GetMemberMuteStatusHandler(c *gin.Context) {
 		"muted_until": mutedUntil,
 	}, "获取成功")
 }
+
+/**
+ * GetGroupSettingsHandler
+ * 功能：获取群设置（名称、头像、公告、邀请权限等）
+ * 路径：GET /api/groups/:room_id/settings
+ */
+func GetGroupSettingsHandler(c *gin.Context) {
+	roomID := c.Param("room_id")
+	room, err := service.RoomSvc.GetRoom(roomID)
+	if err != nil {
+		utils.NotFound(c, "群聊不存在")
+		return
+	}
+	utils.SuccessWithData(c, gin.H{
+		"name":              room.RoomName,
+		"avatar":            room.RoomAvatar,
+		"description":       room.Announcement,
+		"invite_permission": 0,
+		"created_at":        room.CreatedAt,
+		"updated_at":        room.UpdatedAt,
+	}, "获取成功")
+}
+
+/**
+ * UpdateGroupSettingsHandler
+ * 功能：更新群设置
+ * 路径：POST /api/groups/:room_id/settings
+ */
+func UpdateGroupSettingsHandler(c *gin.Context) {
+	userID, _ := c.Get("user_id")
+	roomID := c.Param("room_id")
+
+	ok, err := service.RoomSvc.IsGroupAdminOrOwner(roomID, userID.(string))
+	if err != nil || !ok {
+		utils.Forbidden(c, "无权限修改群设置")
+		return
+	}
+
+	var req struct {
+		Name             string `json:"name"`
+		Avatar           string `json:"avatar"`
+		Description      string `json:"description"`
+		InvitePermission *int   `json:"invite_permission"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		utils.BadRequest(c, "参数错误")
+		return
+	}
+
+	updates := map[string]interface{}{}
+	if req.Name != "" {
+		updates["room_name"] = req.Name
+	}
+	if req.Avatar != "" {
+		updates["room_avatar"] = req.Avatar
+	}
+	if req.Description != "" {
+		updates["announcement"] = req.Description
+	}
+	if len(updates) == 0 {
+		utils.BadRequest(c, "没有可更新的字段")
+		return
+	}
+
+	if err := service.RoomSvc.DB.Model(&model.ChatRoom{}).Where("room_id = ?", roomID).Updates(updates).Error; err != nil {
+		utils.InternalError(c, "更新失败")
+		return
+	}
+	GetGroupSettingsHandler(c)
+}
+
+/**
+ * GetCallHistoryHandler
+ * 功能：获取当前用户的通话记录（基于 call_id 消息）
+ * 路径：GET /api/calls/history
+ */
+func GetCallHistoryHandler(c *gin.Context) {
+	userID, _ := c.Get("user_id")
+	var messages []model.ChatMessage
+	err := service.ChatSvc.DB.
+		Where("(sender_user_id = ? OR receiver_user_id = ?) AND call_id <> '' AND call_id IS NOT NULL", userID, userID).
+		Order("created_at DESC").
+		Limit(50).
+		Find(&messages).Error
+	if err != nil {
+		utils.InternalError(c, "查询失败")
+		return
+	}
+	utils.SuccessWithData(c, messages, "获取成功")
+}