/**
* 得到并计算物流费用
*
* @param string $expresion 公式
* @param float $total 订单价格
* @param int $weight 订单重量
* @return Float $price
*/
private function do_carrier_price($expression, $total, $weight = 0)
{
if (!$expression) {
return 0;
}
$price = delivery::cal_fee($expression, $weight, $total);
return $price;
}
/**
* 计算物流价格
*
* @param array $condition
* @return float $price
*
* $condition = array(
* 'delivery_id' => '77', //物流ID
* 'country_id' => '539', //物流递送国家
* 'weight' => '500', //订单重量
* 'total_price' => '300.99', //订单总价
* );
* 如果返回值是-1表示当前物流不支持到收货地址的配送
*/
public static function get_delivery_price_by_condition($condition)
{
$delivery_id = $condition['delivery_id'];
$country_id = $condition['country_id'];
$weight = $condition['weight'];
$total_price = $condition['total_price'];
$dlv_instance = DeliveryService::get_instance();
$delivery = $dlv_instance->get_delivery_by_id($delivery_id);
if (empty($delivery)) {
return 0;
}
$flag = 0;
if ($delivery['type'] == 0) {
$flag = 1;
} else {
$delivery_country = Delivery_countryService::get_instance()->get_delivery_country($delivery_id, $country_id);
if (empty($delivery_country)) {
if ($delivery['is_default'] == 1) {
$flag = 1;
} else {
return 0;
}
} else {
$flag = 1;
$delivery['expression'] = $delivery_country['expression'];
}
}
if ($flag = 0) {
return 0;
}
$price = delivery::cal_fee($delivery['expression'], $weight, $total_price);
//计算物流费用
return $price;
}