/**
* Iterate over the order items and calculate the gst
* for each depending on StreakGSTModule.config.currency_percentages()
*
* @param Order $order
* @param null $value
* @throws ValidationException
* @throws null
*/
public function add($order, $value = null)
{
$gst = new Price();
$gst->setCurrency(ShopConfig::current_shop_config()->BaseCurrency);
$descriptions = array();
/** @var Price|null $calculated */
$calculated = null;
/** @var Item $item */
foreach ($order->Items() as $item) {
if ($price = $item->Price()) {
$currency = $price->getCurrency();
if ($rate = self::rate_for_currency($currency)) {
if (!$calculated) {
$calculated = new Price();
}
$percentage = Zend_Locale_Math::Div($rate, 100.0, 10);
$taxed = Zend_Locale_Math::Mul($price, $percentage, 10);
$temp = Zend_Locale_Math::Add($calculated, $taxed, 10);
$calculated->setAmount($temp);
$descriptions[$currency] = static::description($currency);
}
}
}
if ($calculated) {
$mod = new StreakGST_Modification();
$mod->OrderID = $order->ID;
$mod->Price = 0;
$mod->Description = implode("<br/>\n", $descriptions);
$mod->GST = $calculated->getAmount();
$mod->Value = $calculated->getAmount();
$mod->write();
}
}
/**
* Returns the amount minus percentage from Measure.
*
* @param Price $forAmount
* @return Price
*/
public function discountedAmount($forAmount)
{
if ($this->owner->UsePercentageColumn) {
$price = new Price();
if ($forAmount instanceof Money) {
$price->setAmount($forAmount->getAmount());
$price->setCurrency($forAmount->getCurrency());
} else {
$price->setAmount($forAmount);
$price->setCurrency(ShopConfig::current_shop_config()->BaseCurrency);
}
// only recalculate if there is a percentage
if ($this->owner->Measure != 0) {
$original = $price->getAmount();
$percentage = Zend_Locale_Math::Div($this->owner->Measure, self::OneHundred, 10);
$difference = Zend_Locale_Math::Mul($original, $percentage, 10);
$price->setAmount(Zend_Locale_Math::Sub($original, $difference, 10));
}
return $price;
}
return null;
}
public function testDivisionWithBCMathAndExponent()
{
if (!extension_loaded('bcmath')) {
$this->markTestSkipped('BCMath extension not loaded, test skipped');
return;
}
$this->assertEquals('500', Zend_Locale_Math::Div('1e3', 2));
}
