/**
* This method generates a set of line items, which represents the delta of the amount change.
*
*
* @param Customweb_Payment_Authorization_IInvoiceItem[] $originalLineItems List of line items on which the delta based on.
* @param float $amount The reduction amount.
* @return Customweb_Payment_Authorization_IInvoiceItem[] The set of line items, which represents the delta.
*/
public static function getItemsByReductionAmount(array $originalLineItems, $amount, $currencyCode)
{
if (count($originalLineItems) <= 0) {
throw new Exception("No line items provided.");
}
$total = self::getTotalAmountIncludingTax($originalLineItems);
$factor = $amount / $total;
$appliedTotal = 0;
$newItems = array();
foreach ($originalLineItems as $item) {
/* @var $item Customweb_Payment_Authorization_IInvoiceItem */
$newAmount = Customweb_Util_Currency::roundAmount($item->getAmountIncludingTax() * $factor, $currencyCode);
$newItem = new Customweb_Payment_Authorization_DefaultInvoiceItem($item->getSku(), $item->getName(), $item->getTaxRate(), $newAmount, $item->getQuantity(), $item->getType(), $item->getOriginalSku());
$newItems[] = $newItem;
if ($item->getType() == Customweb_Payment_Authorization_DefaultInvoiceItem::TYPE_DISCOUNT) {
$appliedTotal -= $newAmount;
} else {
$appliedTotal += $newAmount;
}
}
// Fix rounding error
$roundingDifference = $amount - $appliedTotal;
$item = $newItems[0];
$newAmount = $item->getAmountIncludingTax() + $roundingDifference;
$newItems[0] = new Customweb_Payment_Authorization_DefaultInvoiceItem($item->getSku(), $item->getName(), $item->getTaxRate(), $newAmount, $item->getQuantity(), $item->getType(), $item->getOriginalSku());
return $newItems;
}
public function getAdjustmentItem(array $items, $orderAmount, $currency)
{
$totalAmount = 0;
foreach ($items as $item) {
if ($item->getType() == Customweb_Payment_Authorization_IInvoiceItem::TYPE_DISCOUNT) {
$totalAmount -= $item->getAmountIncludingTax();
} else {
$totalAmount += $item->getAmountIncludingTax();
}
}
if (Customweb_Util_Currency::compareAmount($totalAmount, $orderAmount, $currency) > 0) {
return new Customweb_Payment_Authorization_DefaultInvoiceItem('adjustment_disount', 'Adjustment Discount', 0, (double) ($totalAmount - $orderAmount), 1, Customweb_Payment_Authorization_IInvoiceItem::TYPE_DISCOUNT);
} elseif (Customweb_Util_Currency::compareAmount($totalAmount, $orderAmount, $currency) < 0) {
return new Customweb_Payment_Authorization_DefaultInvoiceItem('adjustment_fee', 'Adjustment Fee', 0, (double) ($orderAmount - $totalAmount), 1, Customweb_Payment_Authorization_IInvoiceItem::TYPE_FEE);
}
return null;
}
public function refundByLineItems($items, $close = false, $additionalMessage = '')
{
$this->refundByLineItemsDry($items, $close, $additionalMessage);
$amount = Customweb_Util_Invoice::getTotalAmountIncludingTax($items);
$historyMessage = Customweb_I18n_Translation::__("A refund was added over !amount.", array('!amount' => Customweb_Util_Currency::formatAmount($amount, $this->getCurrencyCode())));
if (!empty($additionalMessage)) {
$historyMessage .= ' (' . $additionalMessage . ')';
}
$refundItem = $this->createRefundItem($amount);
$refundItem->setRefundItems($items);
$this->createHistoryItem($historyMessage, Customweb_Payment_Authorization_ITransactionHistoryItem::ACTION_REFUND);
if (Customweb_Util_Currency::compareAmount($this->getRefundedTotalAmount(), $this->getCapturedAmount(), $this->getCurrencyCode()) >= 0) {
$close = true;
}
$this->refundClosed = $close;
return $refundItem;
}
