gadm-dws/impl/task/task2.go

// Copyright 2019 autocareai.com. All rights reserved.
// Use of this source code is governed by autocareai.com.

package task

import (
	"gadm-dws/apis"
	"gadm-dws/consts"
	"gadm-dws/model"
	"encoding/json"
	"github.com/tidwall/gjson"
	"gorm.io/gorm"
	"strings"
)

// 车牌和vin码对应关系(错误关系)
func Dws2Task(db *gorm.DB,dwsMessage *apis.DwsMessage, outputSourceCode string) (adsMsgList []*apis.AdsMessage, dwsMsgList []*apis.DwsMessage, err error) {
	// 解析数据
	dws2 := &model.Dws2{}
	err = json.Unmarshal([]byte(dwsMessage.Content), dws2)
	if err != nil {
		return nil, nil, nil
	}

	// 参数判断
	if dws2.PlateNo == "" || dws2.Vin == ""{
		return nil ,nil ,nil
	}

	// 计算号牌种类
	if dws2.PlateType == ""{
		dws2.PlateType = CalcPlateType(db,dws2.Vin)
	}

	isExpire := gjson.Get(dwsMessage.Content, "is_expire").String()
	if isExpire == consts.EXPIREDATA {
		// 删除dws1
		where := map[string]interface{}{"plate_no": dws2.PlateNo, "vin": dws2.Vin}
		dws1 := &model.Dws1{}
		err = dws1.Query(db, where)
		if err != nil {
			if err != gorm.ErrRecordNotFound {
				return nil,nil, err
			}
		}else{
			if dws2.PlateType == ""{
				dws2.PlateType = dws1.PlateType
			}
			err = dws1.Delete(db,nil)
			if err != nil{
				if err != gorm.ErrRecordNotFound {
					return nil,nil, err
				}
			}
		}

		// 插入更新dws2
		oldDws2 := &model.Dws2{}
		err = oldDws2.Query(db,where)
		if err != nil{
			if err == gorm.ErrRecordNotFound{
				err = dws2.Insert(db)
				if err != nil {
					if !strings.Contains(err.Error(), "Duplicate") {
						return nil,nil, err
					}
				}
			}else{
				return nil,nil,err
			}
		}else{
			if oldDws2.PlateType == "" && dws2.PlateType != ""{
				oldDws2.PlateType = dws2.PlateType
				err = oldDws2.Update(db)
				if err != nil{
					if err != gorm.ErrRecordNotFound{
						return nil,nil,err
					}
				}
			}
		}

		// 删除dws4
		dws4 := &model.Dws4{}
		err = dws4.Delete(db, where)
		if err != nil {
			if err != gorm.ErrRecordNotFound {
				return nil,nil, err
			}
		}
	}else{
		return nil ,nil ,nil
	}

	adsMsg := NewAdsMessage(dwsMessage, outputSourceCode, consts.ACTIONDELETE)
	msgByte, _ := json.Marshal(*dws2)
	adsMsg.Content = string(msgByte)
	adsMsgList = append(adsMsgList,adsMsg)
	return adsMsgList, nil, nil
}