/**
* Grab the tax amount from the line item based on the taxSource input
* @param Mage_Sales_Model_Order_Item $item
* @param string $taxSource
* @return array represents the tax price with currency code
*/
protected function _getTaxesCharged($item, $qty, $taxSource = self::LINE_ITEM_TYPE_DEFAULT)
{
$store = Mage::app()->getStore($item->getStoreId());
$tax = 0;
switch ($taxSource) {
case self::LINE_ITEM_TYPE_DEFAULT:
$tax = $item->getTaxAmount() / $qty;
break;
case self::LINE_ITEM_TYPE_REFUNDED:
$tax = $store->roundPrice($item->getTaxRefunded() / $qty);
break;
case self::LINE_ITEM_TYPE_INVOICED:
$tax = $item->getTaxInvoiced() / $qty;
break;
}
return $this->_createCurrencyAmount($tax);
}
