LAPP_GAAS_GFrame_BACKEND/ClearOldData.go

package main

import (
	"LAPP_GAAS_GFrame_BACKEND/conf"
	dal "LAPP_GAAS_GFrame_BACKEND/dao/log"
	omDal "LAPP_GAAS_GFrame_BACKEND/dao/om"
	"LAPP_GAAS_GFrame_BACKEND/db"
	"LAPP_GAAS_GFrame_BACKEND/grmi"
	"LAPP_GAAS_GFrame_BACKEND/utils"
	"fmt"
	"github.com/robfig/cron"
	"log"
	"time"
)

func main() {
	//加载配置
	path := utils.EnsureDir("conf/config.yaml")
	err := conf.ReadYamlConfig(path)
	if err != nil {
		log.Fatal("init config failed, error:", err)
	}
	err = Start()
	if err != nil {
		fmt.Println("start failed, error:", err)
	}
}


func Start() error {
	c := cron.New()
	var err error
	err = c.AddFunc("0 0 1 * * ?", ClearOldData)
	if err != nil {
		return err
	}

	c.Start()
	select {}
}

func ClearOldData()  {

	err := db.InitDb()
	if err != nil {
		fmt.Println("init db failed, error:", err)
		return
	}
	engine := db.Eloquent.Master()
	session := engine.NewSession()
	if err = session.Begin(); err != nil {
		fmt.Println("开始事务失败")
		return
	}
	headDao := dal.NewArtDemandHeadDAO(session, 100, "cron")
	lstDao := dal.NewArtDemandLstDAO(session, 100, "cron")
	workOrderDao := omDal.NewWorkOrderDAO(session, 100, "cron")
	endTime := time.Now().AddDate(0, 0, -30).Format(grmi.DatetimeOutFormat)
	err = headDao.ClearOldData(endTime)
	if err != nil {
		fmt.Println("clear head data failed:", err)
		_ = session.Rollback()
		return
	}
	err = lstDao.ClearOldData(endTime)
	if err != nil {
		fmt.Println("clear list data failed:", err)
		_ = session.Rollback()
		return
	}
	err = workOrderDao.ClearOldData(endTime)
	if err != nil {
		fmt.Println("clear work order data failed:", err)
		_ = session.Rollback()
		return
	}
	fmt.Println("clear date success, endTime:", endTime)
}