MessageCenter/service/messageService.go

package service

import (
	"app.yhyue.com/moapp/MessageCenter/entity"
	"app.yhyue.com/moapp/MessageCenter/rpc/message"
	"log"
)

type MessageService struct {
}

// 修改消息阅读状态
func (service *MessageService) ChangeReadStatus(data *message.ChangeReadStatusRequest) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m := entity.Message{}
	count, err1 := orm.Where("id=? and isdel=1 and appid=?", data.Id, data.Appid).Count(m)
	if count == 0 || err1 != nil {
		return 0, "该消息不存在"

	}
	m.IsRead = int(data.ReadStatus)
	_, err := orm.Where("id=? and isdel=1", data.Id).Cols("isRead").Update(&m)
	if err != nil {
		orm.Rollback()
		return 0, "修改消息阅读状态失败"
	}
	err2 := orm.Commit()
	if err2 != nil {
		return 0, "修改消息阅读状态失败"
	}
	return 1, "修改消息阅读状态成功"
}

// 删除消息
func (service *MessageService) DeleteMessage(id []string, appId string) (int64, string) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m := entity.Message{}
	m.Isdel = -1
	count, err := orm.Where("appid=?", appId).In("id", id).Cols("isdel").Update(&m)
	if err != nil || count == 0 {
		log.Println(err)
		orm.Rollback()
		return 0, "删除消息失败"
	}
	err2 := orm.Commit()
	if err2 != nil {
		return 0, "删除消息失败"
	}
	return 1, "删除消息成功"
}

// 未读消息合计
func (service *MessageService) CountUnread(userId string, appId string) (int64, string, int64) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m := entity.Message{}
	count, err := orm.Where("receive_userid=? and isRead=0 and isdel=1 and appid=?", userId, appId).Count(m)
	if err != nil {
		log.Println(err)
		return 0, "查询未读消息失败", 0
	}
	log.Println(count)
	return 1, "查询未读消息成功", count
}

// 获取指定用户指定分类最新一条消息
func (service *MessageService) LastMessage(userId string, appId string, msgType int64, isRead int64) (*message.Messages, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m1 := []*entity.Message{}
	//m := []*message.Messages{}
	sql := "receive_userid=? and isdel=1 and appid=?  and msg_type=?"
	valueList := []interface{}{userId, appId, msgType}
	if isRead != -1 {
		sql = sql + " and isRead=?"
		valueList = append(valueList, isRead)
	}
	err := orm.Select("*").Where(sql, valueList...).OrderBy("createtime desc").Limit(1, 0).Find(&m1)

	if err != nil {
		return nil, err
	}

	if len(m1) > 0 {
		m := m1[0]
		msg := message.Messages{
			Id:            m.Id,
			Appid:         m.AppId,
			ReceiveUserId: m.ReceiveUserid,
			ReceiveName:   m.ReceiveName,
			SendUserId:    m.SendUserid,
			SendName:      m.SendName,
			Createtime:    m.CreateTime.Format("2006-01-02 15:04:05"),
			Title:         m.Title,
			MsgType:       int64(m.MsgType),
			Link:          m.Link,
			CiteId:        int64(m.CiteId),
			Content:       m.Content,
			IsRead:        int64(m.IsRead),
		}
		return &msg, nil
	} else {
		return nil, nil

	}

}

//查询消息详情
func FindMessageDetail(id string) (entity.Message, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	mess := entity.Message{}
	err := orm.Table("message").Select("*").Where("id = ?", id).Find(&mess)
	if err != nil {
		return mess, err
	}
	return mess, nil
}

// 获取用户未读消息分类及数量 及分类下的最新一条消息
func (service *MessageService) ClassCountAndMessage(userId string, appId string) ([]*message.ResCount, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	//m := []*message.Messages{}
	query, err := orm.QueryInterface("SELECT msg_type,COUNT(CASE WHEN isRead=0 THEN 1 END) as count  FROM message where receive_userid=? and isdel=1 and appid=? GROUP BY msg_type  ORDER BY FIELD(`msg_type`,\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\")", userId, appId)
	if err != nil {
		return nil, err
	}
	typeCount := []*message.ResCount{}
	// 未读消息分类及数量
	if query != nil && len(query) > 0 {
		for _, v := range query {
			typeCount = append(typeCount, &message.ResCount{MsgType: v["msg_type"].(int64), Count: v["count"].(int64)})
		}
	}

	return typeCount, nil
}

// 已接收到消息的分类
func (service *MessageService) ReceiveMsgType(userId string, appId string) ([]int64, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	m := []entity.Message{}
	err := orm.Distinct("msg_type").Where("receive_userid=? and isdel=1 and appid=?", userId, appId).Find(&m)
	if err != nil {
		return nil, err
	}
	msgTypeList := []int64{}
	for _, v := range m {
		msgTypeList = append(msgTypeList, int64(v.MsgType))
	}
	return msgTypeList, nil
}

func (service *MessageService) UpdateMessageReadStatus(msgType int, receiveUserid, appId string) (int, error) {
	orm := entity.Engine.NewSession()
	defer orm.Close()
	msg := entity.Message{}
	msg.IsRead = 1
	c, err := orm.Where("receive_userid=? and msg_type = ? and appid = ?", receiveUserid, msgType, appId).Cols("isRead").Update(&msg)
	//log.Println("更新后返回值：", c, err)
	if c < 0 && err != nil {
		return 0, err
	}
	return 1, nil
}