egg_mq_consume/consume/user_delete_consume.go

package consume

import (
	"applet/app/cfg"
	"applet/app/db"
	utils2 "applet/app/utils"
	"applet/app/utils/logx"
	"applet/consume/md"
	db2 "code.fnuoos.com/EggPlanet/egg_models.git/src"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/model"
	"code.fnuoos.com/go_rely_warehouse/zyos_go_mq.git/rabbit"
	"encoding/json"
	"errors"
	"fmt"
	"github.com/jinzhu/copier"
	"github.com/streadway/amqp"
	"time"
	"xorm.io/xorm"
)

func UserDeleteConsume(queue md.MqQueue) {
	var backCfg db2.BackUpDBCfg
	copier.Copy(&backCfg, &cfg.BackUpDb)
	backUpDb, err := db2.InitBackUpDB(&backCfg)
	if err != nil {
		logx.Error(err)
		return
	}
	fmt.Println(">>>>>>>>>>>>UserDeleteConsume>>>>>>>>>>>>")
	ch, err := rabbit.Cfg.Pool.GetChannel()
	if err != nil {
		logx.Error(err)
		return
	}
	defer ch.Release()
	//1、将自己绑定到交换机上
	ch.Bind(queue.Name, queue.ExchangeName, queue.RoutKey)
	//2、取出数据进行消费
	ch.Qos(100)
	delivery := ch.Consume(queue.Name, false)

	egg_system_rules.Init(cfg.RedisAddr)
	var res amqp.Delivery
	var ok bool
	for {
		res, ok = <-delivery
		if ok == true {
			err = handleUserDeleteConsume(backUpDb, ch, res.Body)
			if err != nil {
				fmt.Println("UserDeleteConsume_ERR:::::", err.Error())
				utils2.FilePutContents("UserDeleteConsume_ERR", utils2.SerializeStr(map[string]interface{}{
					"body": res.Body,
					"err":  err.Error(),
				}))
				_ = res.Reject(false)
				//TODO::重新推回队列末尾，避免造成队列堵塞
				var msg *md.CommUserId
				json.Unmarshal(res.Body, &msg)
				ch.Publish(queue.ExchangeName, msg, queue.RoutKey)
			} else {
				//_ = res.Reject(false)
				err = res.Ack(true)
			}

			fmt.Println("err ::: ", err)
		} else {
			panic(errors.New("error getting message"))
		}
	}
	fmt.Println("get msg done")
}

func handleUserDeleteConsume(backEg *xorm.Engine, ch *rabbit.Channel, msgData []byte) error {
	if backEg == nil {
		return nil
	}
	time.Sleep(time.Duration(100) * time.Millisecond) //休眠100毫秒
	// 1.解析mq中queue的数据结构体
	var msg *md.CommUserId
	err := json.Unmarshal(msgData, &msg)
	if err != nil {
		return err
	}
	eg := db.Db
	//1.用户信息
	var user model.User
	exist, err := eg.Where("id=?", msg.Uid).Get(&user)
	if exist {
		backEg.Insert(&user)
		user.Phone = ""
		user.State = 2
		user.Nickname = "注销用户"
		db.Db.Where("id=?", user.Id).Cols("state,phone,nickname").Update(&user)
	}
	//2.用户关系链
	//查出所有下级
	var relate []model.UserRelate
	err = eg.Where("parent_uid=?", msg.Uid).Find(&relate)
	if len(relate) > 0 {
		backEg.Insert(&relate)
	}
	var relateParent []model.UserRelate
	err = eg.Where("uid=?", msg.Uid).Find(&relateParent)
	var relateParent1 []model.UserRelate
	err = eg.Where("uid=?", msg.ParentUid).Find(&relateParent1)
	var parentIds = make([]int64, 0)

	if len(relateParent) > 0 {
		backEg.Insert(&relateParent)
		for _, v := range relateParent {
			parentIds = append(parentIds, v.ParentUid)
		}
	}
	var ids = make([]int64, 0)
	for _, v := range relate {
		ids = append(ids, v.Uid)
	}
	//读出所有下级重新处理
	var allRelate []model.UserRelate
	err = eg.In("uid", ids).Desc("level").Find(&allRelate)
	for _, v := range allRelate {
		if utils2.InArrInt64(v.ParentUid, parentIds) {
			eg.Where("id=?", v.Id).Delete(&model.UserRelate{})
			continue
		}
		if v.ParentUid == utils2.StrToInt64(msg.Uid) && utils2.StrToInt64(msg.ParentUid) > 0 { //如果相等
			level := v.Level
			var tmp = model.UserRelate{
				ParentUid:  utils2.StrToInt64(msg.ParentUid),
				Uid:        v.Uid,
				Level:      level,
				InviteTime: v.InviteTime,
			}
			eg.Insert(&tmp)
			for _, v1 := range relateParent1 {
				level++
				var tmp1 = model.UserRelate{
					ParentUid:  v1.ParentUid,
					Uid:        v.Uid,
					Level:      level,
					InviteTime: v.InviteTime,
				}
				eg.Insert(&tmp1)
			}
		}
	}
	eg.Where("parent_uid=?", msg.Uid).Cols("parent_uid").Update(&model.User{ParentUid: utils2.StrToInt64(msg.ParentUid)})
	_, err = eg.Where("parent_uid=?", msg.Uid).Delete(&model.UserRelate{})
	_, err = eg.Where("uid=?", msg.Uid).Delete(&model.UserRelate{})

	var UserRealNameAuth model.UserRealNameAuth
	exist, err = eg.Where("uid=?", msg.Uid).Get(&UserRealNameAuth)
	if exist {
		backEg.Insert(&UserRealNameAuth)
	}
	eg.Where("uid=?", msg.Uid).Delete(&model.UserRealNameAuth{})
	return nil
}