property-garden/impl/v1/household/household_del_house.go

package household

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/charge_utils"
	"property-garden/impl/v1/oss_utils"
	"property-garden/impl/v1/statistic"
	dbmodel "property-garden/model"
	"property-garden/pb"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"strings"
	"time"
)

func checkGardenHouseholdDelHouseParam(req *pb_v1.GardenHouseholdDelHouseRequest) error {

	if req.GardenId == 0 || req.HouseId == 0 || req.HouseholdUid == 0 {
		return errors.ParamsError
	}
	return nil
}

func delVehicle(req *pb_v1.GardenHouseholdDelHouseRequest, dbname string, db *gorm.DB) ([]int64, error) {
	vehicleIds := []int64{}
	vehicle := dbmodel.NewVehicle(dbname)
	where := map[string]interface{}{
		"household_uid": req.HouseholdUid,
	}
	vlist, err := vehicle.List(db, where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	for _, v := range vlist {
		vehicleIds = append(vehicleIds, v.ID)
	}
	err = vehicle.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}
	chargeBind := dbmodel.NewChargeBind(dbname)
	where = map[string]interface{}{
		"obj_type":  charge_utils.ObjTypeVehicle,
		"obj_id in": vehicleIds,
	}
	err = chargeBind.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}

	mreq := pb_v1.ObjStatisticSetRequest{
		ObjType:       statistic.ObjTypeVehicle,
		TotalIncrease: int64(0 - len(vehicleIds)),
		GardenId:      req.GardenId,
	}
	err = statistic.ObjStatisticSetWithDb(&mreq, db)
	if err != nil {
		return nil, err
	}
	return vehicleIds, nil
}

func changeSpaceByHouseId(req *pb_v1.GardenHouseholdDelHouseRequest, dbname string, db *gorm.DB) error {
	p := dbmodel.NewParkSpace(dbname)
	where := map[string]interface{}{
		"house_id": req.HouseId,
	}
	spaceIds := []int64{}
	list, err := p.List(db, where, nil, -1, -1)
	if err != nil {
		return errors.DataBaseError
	}
	for _, v := range list {
		spaceIds = append(spaceIds, v.ID)
	}
	values := map[string]interface{}{
		"vehicle_id":  0,
		"status":      1,
		"bind_status": 1,
		"updated_at":  time.Now(),
	}
	err = p.Update(db, where, values)
	if err != nil {
		return errors.DataBaseError
	}
	chargeBind := dbmodel.NewChargeBind(dbname)
	where = map[string]interface{}{
		"obj_type":  charge_utils.ObjTypeSpace,
		"obj_id in": spaceIds,
	}
	err = chargeBind.Delete(db, where)
	if err != nil {
		return errors.DataBaseError
	}
	return nil
}

func changeSpaceByVehicleId(vehicleIds []int64, dbname string, db *gorm.DB) error {
	p := dbmodel.NewParkSpace(dbname)
	where := map[string]interface{}{
		"vehicle_id in": vehicleIds,
	}

	values := map[string]interface{}{
		"vehicle_id": 0,
		"updated_at": time.Now(),
	}
	err := p.Update(db, where, values)
	if err != nil {
		return errors.DataBaseError
	}
	return nil
}

func delRentInfo(req *pb_v1.GardenHouseholdDelHouseRequest, dbname string, db *gorm.DB) ([]int64, error) {
	rent := dbmodel.NewHouseRent(dbname)
	where := map[string]interface{}{
		"household_uid": req.HouseholdUid,
		"house_id":      req.HouseId,
	}
	rentIds := []int64{}
	rlist, err := rent.List(db, where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	for _, v := range rlist {
		rentIds = append(rentIds, v.ID)
	}
	if err := rent.Delete(db, where); err != nil {
		return nil, errors.DataBaseError
	}

	// 删除租房经纪人信息
	manager := dbmodel.NewHouseRentManager(dbname)
	where = map[string]interface{}{
		"rent_id in": rentIds,
	}
	if err := manager.Delete(db, where); err != nil {
		return nil, errors.DataBaseError
	}
	return rentIds, nil

}

//
func GardenHouseholdDelHouse(ctx context.Context, req *pb_v1.GardenHouseholdDelHouseRequest) (reply *pb_v1.GardenHouseholdDelHouseReply, err error) {

	reply = &pb_v1.GardenHouseholdDelHouseReply{}
	// 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"))
			}
		}
	}()

	err = checkGardenHouseholdDelHouseParam(req)
	dbname := utils.GetGardenDbName(req.GardenId)

	// 获取原始数据
	household := dbmodel.NewHouseApprovedGarden(dbname)
	where := map[string]interface{}{
		"uid":      req.HouseholdUid,
		"house_id": req.HouseId,
	}
	householdList, err := household.List(database.DB(), where, nil, -1, -1)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if len(householdList) == 0 {
		return nil, errors.ErrRecordNotFound
	}

	// 检查账单
	bill := dbmodel.NewChargeBill(dbname)

	where = map[string]interface{}{
		"house_id": req.HouseId,
	}
	billCount, err := bill.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if billCount > 0 {
		return nil, status.Error(10003, "该房屋有账单未支付，无法退出")
	}

	where = map[string]interface{}{
		"uid": req.HouseholdUid,
	}
	householdCount, err := household.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	where = map[string]interface{}{
		"house_id": req.HouseId,
	}
	houseCount, err := household.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	db := database.DB().Begin()
	defer func() {
		if err != nil {
			db.Rollback()
		}
	}()

	vehicleIds := []int64{}
	// 若该住户在该小区没有其他房屋，删除车，并
	if householdCount == 1 {
		vehicleIds, err = delVehicle(req, dbname, db)
		if err != nil {
			return nil, err
		}
	}

	// 若该房屋在该小区没有其他住户，更新该房屋车位信息
	if houseCount == 1 {
		err = changeSpaceByHouseId(req, dbname, db)
	} else if len(vehicleIds) > 0 {
		// 若该房屋在该小区有其他住户，更新车辆对应的车位
		err = changeSpaceByVehicleId(vehicleIds, dbname, db)
	}
	if err != nil {
		return nil, err
	}

	// 删除租房信息
	rentIds, err := delRentInfo(req, dbname, db)
	if err != nil {
		return nil, err
	}

	where = map[string]interface{}{
		"uid":      req.HouseholdUid,
		"house_id": req.HouseId,
	}

	// 解除住户房屋绑定关系
	err = household.Delete(db, where)
	if err != nil {
		return nil, errors.DataBaseError
	}

	mreq := pb_v1.HouseholdDelHouseRequest{
		GardenId:     req.GardenId,
		HouseId:      req.HouseId,
		HouseholdUid: req.HouseholdUid,
		RentIds:      rentIds,
	}

	// 删除住户库里的相关信息
	_, err = pb.Household.HouseholdDelHouse(ctx, &mreq)
	if err != nil {
		return nil, err
	}
	db.Commit()
	outList := []string{}
	for _, v := range householdList {
		array := strings.Split(v.Appendix, ";")
		for _, out := range array {
			if out != "" {
				outList = append(outList, out)
			}
		}
	}
	oss_utils.OssObjAdd(nil, outList)

	return reply, nil

}