/**
* Adds a discount entry for a promotion that applies
*
* @author Jonathan Davis
* @since 1.1
* @version 1.3
*
* @param Object $Promotion The pseudo-Promotion object to apply
* @param float $discount The calculated discount amount
* @return void
**/
private function apply(ShoppOrderPromo $Promo)
{
$exists = $this->exists($Promo->id);
$itemrules = isset($Promo->rules['item']);
// If it already is applied and the promo does not have item rules
if ($exists && !$itemrules) {
return;
}
$this->applycode($Promo);
// Apply the appropriate discount code from the promo
// Build the discount to apply to the order
$Discount = new ShoppOrderDiscount();
$Discount->ShoppOrderPromo($Promo);
// Check matching line item discount targets to apply the discount to
if ($itemrules) {
$this->items($Promo, $Discount);
$items = $Discount->items();
if (empty($items)) {
// No items match
if ($exists) {
$this->reset($Promo);
}
// If it was applied, remove the discount
return;
// Do not apply the discount
}
}
$this->add($Promo->id, $Discount);
$this->shipping($Discount);
// Flag shipping changes
}
