48 lines
1.3 KiB
PHP
48 lines
1.3 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: shenyang
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* Date: 2019/1/23
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* Time: 10:40 AM
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*/
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namespace app\frontend\modules\order\discount;
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use app\common\exceptions\AppException;
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use app\frontend\models\order\PreOrderDeduction;
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use app\frontend\modules\order\models\PreOrder;
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use app\frontend\modules\order\PriceNode;
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class OrderMinDeductionPriceNode extends PriceNode
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{
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private $preOrderDeduction;
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private $order;
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public function __construct(PreOrder $order, PreOrderDeduction $preOrderDeduction, $weight)
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{
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$this->order = $order;
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$this->preOrderDeduction = $preOrderDeduction;
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parent::__construct($weight);
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}
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function getKey()
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{
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return $this->preOrderDeduction->getCode() . 'MinDeduction';
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}
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/**
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* @return mixed
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* @throws \app\common\exceptions\AppException
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*/
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function getPrice()
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{
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$price = $this->order->getPriceBefore($this->getKey()) - $this->preOrderDeduction->getMinDeduction()->getMoney();
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if ($price < 0) {
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throw new AppException("订单优惠后金额{$this->order->getPriceBefore($this->getKey())}元,不满足{$this->preOrderDeduction->getName()}最低抵扣{$this->preOrderDeduction->getMinDeduction()->getMoney()}元");
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}
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return $price;
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}
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} |