Mage_Sales_Model_Order_Invoice_Total_Discount Class Reference

Inheritance diagram for Mage_Sales_Model_Order_Invoice_Total_Discount:

List of all members.

Public Member Functions
	collect (Mage_Sales_Model_Order_Invoice $invoice)

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Detailed Description

Definition at line 28 of file Discount.php.

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Member Function Documentation

collect

(

Mage_Sales_Model_Order_Invoice $

invoice

)

Resolve rounding problems

Reimplemented from Mage_Sales_Model_Order_Invoice_Total_Abstract.

Definition at line 30 of file Discount.php.

    {
        $invoice->setDiscountAmount(0);
        $invoice->setBaseDiscountAmount(0);

        $totalDiscountAmount = 0;
        $baseTotalDiscountAmount = 0;
        foreach ($invoice->getAllItems() as $item) {
            if ($item->getOrderItem()->isDummy()) {
                continue;
            }
            $orderItem = $item->getOrderItem();
            $orderItemDiscount      = (float) $orderItem->getDiscountAmount();
            $baseOrderItemDiscount  = (float) $orderItem->getBaseDiscountAmount();
            $orderItemQty       = $orderItem->getQtyOrdered();

            if ($orderItemDiscount && $orderItemQty) {
                /**
                 * Resolve rounding problems
                 */
                if ($item->isLast()) {
                    $discount = $orderItemDiscount - $orderItem->getDiscountInvoiced();
                    $baseDiscount = $baseOrderItemDiscount - $orderItem->getBaseDiscountInvoiced();
                }
                else {
                    $discount = $orderItemDiscount*$item->getQty()/$orderItemQty;
                    $baseDiscount = $baseOrderItemDiscount*$item->getQty()/$orderItemQty;

                    $discount = $invoice->getStore()->roundPrice($discount);
                    $baseDiscount = $invoice->getStore()->roundPrice($baseDiscount);
                }

                $item->setDiscountAmount($discount);
                $item->setBaseDiscountAmount($baseDiscount);

                $totalDiscountAmount += $discount;
                $baseTotalDiscountAmount += $baseDiscount;
            }
        }

        $invoice->setDiscountAmount($totalDiscountAmount);
        $invoice->setBaseDiscountAmount($baseTotalDiscountAmount);

        $invoice->setGrandTotal($invoice->getGrandTotal() - $totalDiscountAmount);
        $invoice->setBaseGrandTotal($invoice->getBaseGrandTotal() - $baseTotalDiscountAmount);
        return $this;
    }

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The documentation for this class was generated from the following file:

• app/code/core/Mage/Sales/Model/Order/Invoice/Total/Discount.php