/**
* 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 refundByLineItemsDry(array $items, $close = false, $additionalMessage = '')
{
$amount = Customweb_Util_Invoice::getTotalAmountIncludingTax($items);
if (!$this->isAuthorized()) {
throw new Exception(Customweb_I18n_Translation::__("Only authorized transaction can be refunded."));
}
if ($this->refundClosed) {
throw new Exception(Customweb_I18n_Translation::__("This transaction is already closed for further refunds."));
}
if ($this->isCancelled()) {
throw new Exception(Customweb_I18n_Translation::__("A cancelled transaction cannot be refunded."));
}
if (!$this->isCaptured()) {
throw new Exception(Customweb_I18n_Translation::__("Only captured transaction can be refunded."));
}
$newTotalRefundedAmount = $amount + $this->getRefundedTotalAmount();
if (Customweb_Util_Currency::roundAmount($newTotalRefundedAmount, $this->getCurrencyCode()) > Customweb_Util_Currency::roundAmount($this->getCapturedAmount(), $this->getCurrencyCode())) {
throw new Exception(Customweb_I18n_Translation::__("The total refund amount (!totalRefundedAmount) cannot be greater than the captured amount (!capturedAmount).", array('!totalRefundedAmount' => $newTotalRefundedAmount, '!capturedAmount' => $this->getCapturedAmount())));
}
// Check that the amounts of the single items are not higher as the original ones.
$originalItems = $this->getCapturedLineItems();
$originalItemMap = array();
foreach ($originalItems as $item) {
$originalItemMap[$item->getSku()] = $item;
}
foreach ($items as $item) {
if ($item instanceof Customweb_Payment_Authorization_IInvoiceItem) {
if (!isset($originalItemMap[$item->getSku()])) {
throw new Exception(Customweb_I18n_Translation::__("The refund item with SKU '@sku' is not present in the original order.", array('@sku' => $item->getSku())));
}
if (Customweb_Util_Currency::compareAmount($item->getAmountIncludingTax(), $originalItemMap[$item->getSku()]->getAmountIncludingTax(), $this->getCurrencyCode()) > 0) {
throw new Exception(Customweb_I18n_Translation::__("The refund item with SKU '@sku' has a higher amount (@amountItem) as the original item (@amountOriginal).", array('@sku' => $item->getSku(), '@amountItem' => Customweb_Util_Currency::formatAmount($item->getAmountIncludingTax(), $this->getCurrencyCode()), '@amountOriginal' => Customweb_Util_Currency::formatAmount($originalItemMap[$item->getSku()]->getAmountIncludingTax(), $this->getCurrencyCode()))));
}
}
}
return $this;
}
