property-garden/impl/v1/charge/charge_pre_pay_info.go

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

package charge

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"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"time"
)

func checkChargePrePayInfoParam(req *pb_v1.ChargePrePayInfoRequest) error {
	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	case req.BindId == 0:
		return status.Error(10003, "房屋/车位/车辆没有绑定费用")
	case req.Months == 0:
		return status.Error(10003, "月数不能为空")
	}

	return nil

}

func ChargePrePayInfo(ctx context.Context, req *pb_v1.ChargePrePayInfoRequest) (reply *pb_v1.ChargePrePayInfoReply, err error) {

	reply = &pb_v1.ChargePrePayInfoReply{}

	// 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 = checkChargePrePayInfoParam(req)
	if err != nil {
		return nil, err
	}
	dbname := utils.GetGardenDbName(req.GardenId)

	bind := dbmodel.NewChargeBind(dbname)

	where := map[string]interface{}{
		"id": req.BindId,
	}
	err = bind.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if bind.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}

	bill := dbmodel.NewChargeBill(dbname)
	where = map[string]interface{}{
		"charge_bind_id": req.BindId,
	}
	count, err := bill.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if count > 0 {
		return nil, status.Error(10003, "当前费用有未缴账单，请先缴清欠费")
	}

	chargeInfo := dbmodel.NewChargeConf(dbname)
	where = map[string]interface{}{
		"id": bind.ChargeId,
	}
	err = chargeInfo.Find(database.DB(), where)
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, errors.DataBaseError
	}
	if chargeInfo.ID == 0 {
		return nil, errors.ErrRecordNotFound
	}

	start := int64(0)
	end := int64(0)
	now := time.Now()
	if bind.ChargeType == charge_utils.ChargeTypeVehicle {
		if bind.Start == 0 {
			start = getTimeDayTimestamp(now)
			end = time.Unix(start, 0).AddDate(0, int(req.Months), 0).Unix()
		} else {
			if bind.End < getTimeDayTimestamp(now) {
				return nil, status.Error(10003, "当前费用已断缴，请到物业缴费")
			}
			start = bind.End
			end = time.Unix(start, 0).AddDate(0, int(req.Months), 0).Unix()
		}
	} else {
		if bind.BillLastTime > 0 {
			start = bind.BillLastTime
			end = time.Unix(bind.BillLastTime, 0).AddDate(0, int(req.Months), 0).Unix()
		} else {
			if bind.Start == 0 {
				return nil, status.Error(10003, "当前费用未生效，请先变更开始时间")
			}
			start = bind.Start
			end = time.Unix(start, 0).AddDate(0, int(req.Months), 0).Unix()
		}
	}

	reply.ShouldPayAmount, reply.ChargeDesc, _ = charge_utils.PrePayInfo(chargeInfo, bind, req.Months)
	reply.ChargeType = bind.ChargeType
	reply.ChargeName = chargeInfo.ChargeName
	reply.Start = start
	reply.End = end

	return reply, nil
}