property-garden/impl/v1/vehicle/del.go

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

package vehicle

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
	"property-garden/errors"
	"property-garden/impl/v1/park_space"
	"property-garden/impl/v1/statistic"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"

	"property-garden/utils"

)


func checkVehicleDelParam(req *pb_v1.VehicleDelRequest) error {
	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.Id < 1:
		return status.Error(10003, "id 不能为空")
	}
	return nil

}


func VehicleDel(ctx context.Context, req *pb_v1.VehicleDelRequest) (reply *pb_v1.VehicleDelReply, err error) {

	reply = &pb_v1.VehicleDelReply{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()
	// 参数检查
	err = checkVehicleDelParam(req)
	if err != nil {
		return nil, err
	}

	dbname := utils.GetGardenDbName(req.GardenId)
	// 获取旧数据
	old := dbmodel.NewVehicle(dbname)
	where := map[string]interface{}{
		"id":req.Id,
	}
	err = old.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if old.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}


	reply.Origin = &pb_v1.VehicleUpdateRequest{
		GardenId:req.GardenId,
		Id:req.Id,
		PlateNo:old.PlateNo,
		VehicleType:old.VehicleType,
		Vin:old.Vin,
		EngineNo:old.EngineNo,
		Brand:old.Brand,
		Color:old.Color,
		SpaceId:old.SpaceId,
		HouseholdUid:old.HouseholdUid,
		BindType:old.BindType,
		Displacement:old.Displacement,
		DisplacementUnit:old.DisplacementUnit,
		Seat:old.Seat,
	}


	// 更新数据
	veh := dbmodel.NewVehicle(dbname)

	db := database.DB().Begin()
	defer func() {
		if err != nil {
			db.Rollback()
		}
	}()
	err = veh.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}
	mreq := pb_v1.ObjStatisticSetRequest{
		ObjType:statistic.ObjTypeVehicle,
		TotalIncrease:int64(-1),
		GardenId:req.GardenId,
	}
	err = statistic.ObjStatisticSetWithDb(&mreq, db)
	if err != nil {
		return nil, err
	}


	// 更新旧车位数据
	if old.SpaceId > 0 {
		oldSpace := dbmodel.NewParkSpace(dbname)
		where := map[string]interface{}{
			"id":old.SpaceId,
			"vehicle_id":req.Id,
		}
		err = oldSpace.Find(db, where)
		if err != nil && err != gorm.ErrRecordNotFound {
			return nil, errors.DataBaseError
		}
		if oldSpace.ID == 0 {
			db.Commit()
			return reply, nil
		}


		values := map[string]interface{}{
			"vehicle_id":0,
		}
		if oldSpace.HouseId == 0 {
			values["status"] = park_space.SpaceStatusEmpty
			values["bind_status"] = park_space.SpaceBindStatusEmpty
		}
		err = oldSpace.Update(db, where, values)
		if err != nil {
			return nil, errors.DataBaseError
		}
	}

	db.Commit()
	return reply, nil
}