egg_mq_consume/consume/user_delete_consume.go

package consume

import (
	"applet/app/cfg"
	"applet/app/db"
	"applet/app/e"
	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/EggPlanet/egg_system_rules.git"
	"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)
		has, err := eg.Where("id=?", msg.Uid).Delete(&model.User{})
		if has == 0 || err != nil {
			return e.NewErr(400, "注销失败")
		}
	}
	//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 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).Asc("level").Find(&allRelate)
	var relateMap = make(map[int64]int)
	for _, v := range allRelate {
		if v.ParentUid != utils2.StrToInt64(msg.Uid) { //如果相等就删掉
			relateMap[v.Uid]++
			eg.Where("id=?", v.Id).Cols("level").Update(&model.UserRelate{Level: relateMap[v.Uid]})
		}
	}
	_, err = eg.Where("parent_uid=?", msg.Uid).Delete(&model.UserRelate{})
	var relateParent []model.UserRelate
	err = eg.Where("uid=?", msg.Uid).Find(&relateParent)
	if len(relateParent) > 0 {
		backEg.Insert(&relateParent)
	}
	_, err = eg.Where("uid=?", msg.Uid).Delete(&model.UserRelate{})
	//3.公排位置
	var publicPlatoonUserRelation model.PublicPlatoonUserRelation
	exist, err = eg.Where("uid=?", msg.Uid).Get(&publicPlatoonUserRelation)
	if exist {
		backEg.Insert(&publicPlatoonUserRelation)
	}
	eg.Where("uid=?", msg.Uid).Delete(&model.PublicPlatoonUserRelation{})
	//4.用户余额
	var UserWallet model.UserWallet
	exist, err = eg.Where("uid=?", msg.Uid).Get(&UserWallet)
	if exist {
		backEg.Insert(&UserWallet)
	}
	eg.Where("uid=?", msg.Uid).Delete(&model.UserWallet{})
	//5.用户积分
	var UserVirtualAmount []model.UserVirtualAmount
	err = eg.Where("uid=?", msg.Uid).Find(&UserVirtualAmount)
	if len(UserVirtualAmount) > 0 {
		backEg.Insert(&UserVirtualAmount)
	}
	eg.Where("uid=?", msg.Uid).Delete(&model.UserVirtualAmount{})
	//6.用户实名信息
	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
}