public function price_for_purchase_item(Model_Purchase_Item $purchase_item)
{
$brand_purchase = $purchase_item->get_insist('brand_purchase');
$brand_total = $brand_purchase->total_price('product');
$purchase = $brand_purchase->get_insist('purchase');
$totals = array_map(function ($brand_purchase) {
return $this->applies_to($brand_purchase) ? $brand_purchase->total_price('product') : 0;
}, $purchase->brand_purchases->as_array());
$total = Jam_Price::sum($totals, $purchase_item->currency(), $purchase_item->monetary());
$multiplier = $total->is(Jam_Price::GREATER_THAN, 0) ? $brand_total->amount() / $total->amount() : 1;
return $this->amount->monetary($purchase_item->monetary())->multiply_by(-$multiplier);
}
public function price_for_purchase_item(Model_Purchase_Item $purchase_item)
{
$brand_purchase_price = $purchase_item->get_insist('brand_purchase')->total_price('product');
return $brand_purchase_price->multiply_by($this->amount)->multiply_by(-1);
}
public function new_item_from(Model_Purchase_Item $purchase_item, Model_Location $location, Model_Shipping_Method $method = NULL)
{
$shipping = $purchase_item->get_insist('reference')->shipping();
$fields = array('brand_purchase_shipping' => $this, 'purchase_item' => $purchase_item);
return $shipping->new_shipping_item_from($fields, $location, $method);
}
