go-wxhelper/service/group.go

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package service
import (
"go-wechat/client"
"go-wechat/vo"
)
// GetGroupUsersByGroupId
// @description: 根据群Id取出群成员列表
// @param groupId
// @return records
// @return err
func GetGroupUsersByGroupId(groupId string) (records []vo.GroupUserItem, err error) {
err = client.MySQL.
Table("t_group_user AS tgu").
Joins("LEFT JOIN t_message AS tm ON tm.from_user = tgu.group_id AND tm.group_user = tgu.wxid").
//Select("tgu.wxid", "tgu.nickname", "tgu.head_image", "tgu.is_member", "tgu.leave_time",
// "tgu.skip_chat_rank", "MAX(tm.create_at) AS last_active_time").
Select("tgu.*", "MAX(tm.create_at) AS last_active_time").
Where("tgu.group_id = ?", groupId).
Group("tgu.group_id, tgu.wxid").
Order("tgu.wxid ASC").
Find(&records).Error
return
}