/**
* Set or load the discounts applied to this order
*
* @author Jonathan Davis
* @since 1.3
*
* @param ShoppDiscounts $ShoppDiscounts The ShoppDiscounts object from the order to add to this purchase
* @return array List of discounts applied
**/
public function discounts(ShoppDiscounts $ShoppDiscounts = null)
{
if (empty($this->id)) {
return false;
}
if (isset($ShoppDiscounts)) {
// Save the given discounts
$discounts = array();
foreach ($ShoppDiscounts as $Discount) {
$discounts[$Discount->id()] = new ShoppPurchaseDiscount($Discount);
}
shopp_set_meta($this->id, 'purchase', 'discounts', $discounts);
$this->discounts = $discounts;
ShoppPromo::used(array_keys($discounts));
}
if (empty($this->discounts)) {
$this->discounts = shopp_meta($this->id, 'purchase', 'discounts');
}
return $this->discounts;
}