xyzshop/helper/refill/CalcMerchantPrice.php

<?php


namespace refill;

require_once (BASE_HELPER_PATH . '/icalc.php');

use ICalc;
use Exception;
use Log;


class CalcMerchantPrice implements ICalc
{
    private $mPrice;
    public function __construct($mchid,$amount,$card_type)
    {
        $model = Model('merchant');
        $items = $model->getPrices($mchid,$amount);

        $match = false;
        foreach ($items as $item) {
            $types = $item['card_types'];
            $types = explode(',',$types);
            if(in_array($card_type,$types)) {
                $this->mPrice = round($item['price'],2);
                $match = true;
                break;
            }
        }

        if($match === false) {
            throw new Exception("没有协商商品购买价格.");
        }
    }

    public function calc_vgoods_price($goods_info)
    {
        return round($this->mPrice,2);
    }
    public function calc_vorder_amount($order_info)
    {
        $num = $order_info['quantity'];
        return round($this->mPrice * $num,2);
    }
    public function calc_tips()
    {
        Log::record("没有实现该接口" . __FUNCTION__ ,Log::ERR);
        return [];
    }
}