<?php

namespace biz\stat\classes;

use biz\base\classes\BaseClass;
use common\components\util;

class StatCgMonthClass extends BaseClass
{

    public static $baseFile = '\biz\stat\models\StatCgMonth';

    //采购统计 ssh 20210528
    public static function replace($main, $shop, $amount, $num, $add = true)
    {
        $time = date('Ym');
        $year = date('Y');
        $month = date('m');
        $mainId = $shop->mainId ?? 0;
        $sjId = $shop->sjId ?? 0;
        $stat = self::getByCondition(['mainId' => $mainId, 'sjId' => $sjId, 'time' => $time], true);
        if (empty($stat)) {
            $stat = self::add(['mainId' => $mainId, 'sjId' => $sjId, 'time' => $time, 'year' => $year, 'month' => $month, 'num' => 1], true);
        }
        $id = $stat->id;
        $unique = self::getLockById($id);
        if (empty($unique)) {
            util::fail('没有记录');
        }
        if ($add) {
            $currentAmount = bcadd($unique->amount, $amount, 2);
        } else {
            $currentAmount = bcsub($unique->amount, $amount, 2);
        }
        $unique->amount = $currentAmount;
        $unique->totalAmount = $main->totalPurchase;
        $unique->num += $num;
        $unique->save();
    }

}