electricity_bill_calc_service/repository/withdraw.go

package repository

import (
	"electricity_bill_calc/global"
	"electricity_bill_calc/logger"
	"electricity_bill_calc/model"
	"electricity_bill_calc/tools"
	"fmt"
	"github.com/doug-martin/goqu/v9"
	"github.com/georgysavva/scany/v2/pgxscan"
	"go.uber.org/zap"
)

type _WithdrawRepository struct {
	log *zap.Logger
	ds  goqu.DialectWrapper
}

var WithdrawRepository = &_WithdrawRepository{
	log: logger.Named("Repository", "Withdraw"),
	ds:  goqu.Dialect("postgres"),
}

/**
 * @author: ZiHangQin
 * 该方法用于分页查询核算报表
 * @param：page
 * @param: keyword
 * @return：[]object
 * @return：total
 * @return: error
 */
func (wd _WithdrawRepository) FindWithdraw(page int, keyword *string) ([]model.Withdraw, int64, error) {
	wd.log.Info("查询用户的充值记录。", zap.Stringp("keyword", keyword), zap.Int("page", page))
	ctx, cancel := global.TimeoutContext()
	defer cancel()
	fmt.Println(ctx)
	//TODO: 2023-07-18此处进行用户的核算报表分页查询的sql语句拼接逻辑。
	//1、SELECT * FROM report WHERE `withdraw` = 1(获取到所有的状态为申请撤回中的报表数据)
	//
	//2、循环遍历1中获取的数据{
	//查询需要的字段"id": "string",
	//                "parkId": "string",
	//                "periodBegin": "string",
	//                "periodEnd": "string",
	//                "published": true,
	//                "publishedAt": "string",
	//                "withdraw": 0,
	//                "lastWithdrawAppliedAt": "string",
	//                "lastWithdrawAuditAt": "string",
	//                "status": 0,
	//                "message": "string"
	//----report简易核算报表信息获取完成
	//
	//3、SELECT * FROM park WHERE `id` = report.park_id(获取园区信息)
	//查询结果需要的字段 "id": "string",
	//                "userId": "string",
	//                "name": "string",
	//                "tenement": "string",
	//                "area": "string",
	//                "capacity": "string",
	//                "category": 0,
	//                "meter04kvType": 0,
	//                "region": "string",
	//                "address": "string",
	//                "contact": "string",
	//                "phone": "string"
	//----park简易园区信息货物完成
	//
	//4、SELECT * FROM user_detail WHERE `id` = park.user_id(获取用户信息）
	//查询结果需要的字段 "id": "string",
	//                "name": "string",
	//                "contact": "string",
	//                "phone": "string",
	//                "region": "string",
	//                "address": "string"
	//----user简易用户信息获取完成
	//}

	reportQuery, reportQueryArgs, _ := wd.ds.
		From(goqu.T("report")).
		Where(goqu.I("withdraw").Eq(1)).
		Select("*").ToSQL()

	reports := make([]model.Report, 0)

	err := pgxscan.Select(ctx, global.DB, &reports, reportQuery, reportQueryArgs...)
	if err != nil {
		fmt.Println(err)
		return []model.Withdraw{}, 0, err
	}
	fmt.Println("数据库中读取的指定数据：", reports)

	var withdrawReses []model.Withdraw

	for _, v := range reports {
		lastWithdrawAppliedAtStr := tools.NullTime2PointerString(v.LastWithdrawAppliedAt)
		lastWithdrawAuditAtStr := tools.NullTime2PointerString(v.LastWithdrawAuditAt)
		publishAtStr := tools.NullTime2PointerString(v.PublishedAt)

		Begin := v.Period.SafeLower().Format("2006-01-02")
		End := v.Period.SafeUpper().Format("2006-01-02")
		var withdrawRes model.Withdraw
		//构建简易报表信息
		simplifiedReport := model.SimplifiedReport{
			ID:                    v.ID,
			LastWithdrawAppliedAt: lastWithdrawAppliedAtStr,
			LastWithdrawAuditAt:   lastWithdrawAuditAtStr,
			Message:               nil,
			ParkID:                v.ParkID,
			PeriodBegin:           Begin,
			PeriodEnd:             End,
			Published:             v.Published,
			PublishedAt:           publishAtStr,
			Status:                0.00,
			Withdraw:              v.Withdraw,
		}

		parkQuery, parkQueryArgs, _ := wd.ds.
			From(goqu.T("park")).
			Where(goqu.I("id").Eq(v.ParkID)).
			Select("*").ToSQL()

		park := make([]model.Parks, 0)
		err := pgxscan.Select(ctx, global.DB, &park, parkQuery, parkQueryArgs...)
		fmt.Println("读到的园区数据：", park)
		if err != nil {
			fmt.Println(err)
			return []model.Withdraw{}, 0, err
		}

		areaStr := tools.NullDecimalToString(park[0].Area)
		capacityStr := tools.NullDecimalToString(park[0].Capacity)
		TenementQuantityStr := tools.NullDecimalToString(park[0].TenementQuantity)
		//构建简易园区数据
		simplifiedPark := model.SimplifiedPark{
			Address:       park[0].Address,
			Area:          areaStr,
			Capacity:      capacityStr,
			Category:      park[0].Category,
			Contact:       park[0].Contact,
			ID:            park[0].Id,
			Meter04KvType: park[0].MeterType,
			Name:          park[0].Name,
			Phone:         park[0].Phone,
			Region:        park[0].Region,
			Tenement:      TenementQuantityStr,
			UserID:        park[0].UserId,
		}

		userQuery, userQueryArgs, _ := wd.ds.
			From(goqu.T("user_detail")).
			Where(goqu.I("id").Eq(park[0].UserId)).
			Select("*").ToSQL()

		userInfo := make([]model.UserDetail, 0)

		err = pgxscan.Select(ctx, global.DB, &userInfo, userQuery, userQueryArgs...)
		fmt.Println("读到的用户数据：", userInfo)
		if err != nil {
			fmt.Println(err)
			return []model.Withdraw{}, 0, err
		}

		simplifiedUser := model.UserInfos{
			Address: userInfo[0].Address,
			Contact: userInfo[0].Contact,
			ID:      userInfo[0].Id,
			Name:    userInfo[0].Name,
			Phone:   userInfo[0].Phone,
			Region:  userInfo[0].Region,
		}

		withdrawRes.Report = simplifiedReport
		withdrawRes.Park = simplifiedPark
		withdrawRes.User = simplifiedUser

		withdrawReses = append(withdrawReses, withdrawRes)
	}

	total := len(reports)

	return withdrawReses, int64(total), nil
}