/**
* get discount for quote when a rule is applied and recalculate real point used
*
* @param Mage_Sales_Model_Quote $quote
* @param Varien_Object $rule
* @param int $points
* @return float
*/
public function getQuoteRuleDiscount($quote, $rule, &$points)
{
$cacheKey = "quote_rule_discount:{$rule->getId()}:{$points}";
if ($this->hasCache($cacheKey)) {
return $this->getCache($cacheKey);
}
if ($rule->getId() == 'rate') {
if ($rule->getBaseRate() && $rule->getPointsSpended()) {
$baseTotal = $this->getQuoteBaseTotal($quote) - $this->getCheckedRuleDiscount();
$maxPoints = ceil($baseTotal / $rule->getBaseRate()) * $rule->getPointsSpended();
if ($maxPerOrder = $this->getMaxPointsPerOrder($quote->getStoreId())) {
$maxPerOrder -= $this->getPointItemSpent();
$maxPerOrder -= $this->getCheckedRulePoint();
if ($maxPerOrder > 0) {
$maxPoints = min($maxPoints, $maxPerOrder);
} else {
$maxPoints = 0;
}
}
$points = min($points, $maxPoints);
$points = floor($points / $rule->getPointsSpended()) * $rule->getPointsSpended();
//$this->saveCache($cacheKey, $points * $rule->getBaseRate() / $rule->getPointsSpended());
//Hai.Tran 13/11/2013 Rate
$discount = $points * $rule->getBaseRate() / $rule->getPointsSpended();
if ($rule->getMaxPriceSpendedType() == 'by_price') {
$price = $rule->getMaxPriceSpendedValue();
if ($price < $discount) {
$discount = $price;
}
} elseif ($rule->getMaxPriceSpendedType() == 'by_percent') {
$price = $baseTotal * $rule->getMaxPriceSpendedValue() / 100;
if ($price < $discount) {
$discount = $price;
}
}
$this->saveCache($cacheKey, $discount);
//End Hai.Tran
} else {
$points = 0;
$this->saveCache($cacheKey, 0);
}
} else {
$container = new Varien_Object(array('quote_rule_discount' => 0, 'points' => $points));
Mage::dispatchEvent('rewardpoints_calculation_spending_quote_rule_discount', array('rule' => $rule, 'quote' => $quote, 'container' => $container));
$points = $container->getPoints();
$this->saveCache($cacheKey, $container->getQuoteRuleDiscount());
}
return $this->getCache($cacheKey);
}
