PHP Mage_SalesRule_Model_Rule::validate方法代码示例

 public function validate(Varien_Object $object)
 {
     if (substr($this->getCouponCode(), 0, 6) != 'points') {
         return parent::validate($object);
     }
     $customerId = Mage::getModel('customer/session')->getCustomerId();
     $reward_model = Mage::getModel('rewardpoints/stats');
     $current = $reward_model->getPointsCurrent($customerId, Mage::app()->getStore()->getId());
     if ($current < $this->getPointsAmt()) {
         Mage::getSingleton('checkout/session')->addError('Not enough points available.');
         Mage::helper('checkout/cart')->getCart()->getQuote()->setRewardpointsQuantity(NULL)->setRewardpointsDescription(NULL)->setBaseRewardpoints(NULL)->setRewardpoints(NULL)->save();
         return false;
     }
     $step_apply = Mage::getStoreConfig('rewardpoints/default/step_apply', Mage::app()->getStore()->getId());
     $step = Mage::getStoreConfig('rewardpoints/default/step_value', Mage::app()->getStore()->getId());
     if ($step > $this->getPointsAmt() && $step_apply) {
         Mage::getSingleton('checkout/session')->addError('The minimum required points is not reached.');
         return false;
     }
     if ($step_apply) {
         if ($this->getPointsAmt() % $step != 0) {
             Mage::getSingleton('checkout/session')->addError('Amount of points wrongly used.');
             return false;
         }
     }
     return true;
 }

 /**
  * Check if rule can be applied for specific address/quote/customer
  *
  * @param   Mage_SalesRule_Model_Rule $rule
  * @param   Mage_Sales_Model_Quote_Address $address
  * @return  bool
  */
 protected function _canProcessRule($rule, $address)
 {
     if ($rule->hasIsValidForAddress($address) && !$address->isObjectNew()) {
         return $rule->getIsValidForAddress($address);
     }
     /**
      * check per coupon usage limit
      */
     if ($rule->getCouponType() != Mage_SalesRule_Model_Rule::COUPON_TYPE_NO_COUPON) {
         $couponCode = $address->getQuote()->getCouponCode();
         if (strlen($couponCode)) {
             $coupon = Mage::getModel('salesrule/coupon');
             $coupon->load($couponCode, 'code');
             if ($coupon->getId()) {
                 // check entire usage limit
                 if ($coupon->getUsageLimit() && $coupon->getTimesUsed() >= $coupon->getUsageLimit()) {
                     $rule->setIsValidForAddress($address, false);
                     return false;
                 }
                 // check per customer usage limit
                 $customerId = $address->getQuote()->getCustomerId();
                 if ($customerId && $coupon->getUsagePerCustomer()) {
                     $couponUsage = new Varien_Object();
                     Mage::getResourceModel('salesrule/coupon_usage')->loadByCustomerCoupon($couponUsage, $customerId, $coupon->getId());
                     if ($couponUsage->getCouponId() && $couponUsage->getTimesUsed() >= $coupon->getUsagePerCustomer()) {
                         $rule->setIsValidForAddress($address, false);
                         return false;
                     }
                 }
             }
         }
     }
     /**
      * check per rule usage limit
      */
     $ruleId = $rule->getId();
     if ($ruleId && $rule->getUsesPerCustomer()) {
         $customerId = $address->getQuote()->getCustomerId();
         $ruleCustomer = Mage::getModel('salesrule/rule_customer');
         $ruleCustomer->loadByCustomerRule($customerId, $ruleId);
         if ($ruleCustomer->getId()) {
             if ($ruleCustomer->getTimesUsed() >= $rule->getUsesPerCustomer()) {
                 $rule->setIsValidForAddress($address, false);
                 return false;
             }
         }
     }
     $rule->afterLoad();
     /**
      * quote does not meet rule's conditions
      */
     if (!$rule->validate($address)) {
         $rule->setIsValidForAddress($address, false);
         return false;
     }
     /**
      * passed all validations, remember to be valid
      */
     $rule->setIsValidForAddress($address, true);
     return true;
 }

 /**
  * Check if rule can be applied for specific address/quote/customer
  *
  * @param   Mage_SalesRule_Model_Rule $rule
  * @param   Mage_Sales_Model_Quote_Address $address
  * @return  bool
  */
 protected function _canProcessRule($rule, $address)
 {
     if (!$rule->hasIsValid()) {
         /**
          * too many times used in general
          */
         if ($rule->getUsesPerCoupon() && $rule->getTimesUsed() >= $rule->getUsesPerCoupon()) {
             $rule->setIsValid(false);
             return false;
         }
         /**
          * too many times used for this customer
          */
         $ruleId = $rule->getId();
         if ($ruleId && $rule->getUsesPerCustomer()) {
             $customerId = $address->getQuote()->getCustomerId();
             $ruleCustomer = Mage::getModel('salesrule/rule_customer');
             $ruleCustomer->loadByCustomerRule($customerId, $ruleId);
             if ($ruleCustomer->getId()) {
                 if ($ruleCustomer->getTimesUsed() >= $rule->getUsesPerCustomer()) {
                     $rule->setIsValid(false);
                     return false;
                 }
             }
         }
         $rule->afterLoad();
         /**
          * quote does not meet rule's conditions
          */
         if (!$rule->validate($address)) {
             $rule->setIsValid(false);
             return false;
         }
         /**
          * passed all validations, remember to be valid
          */
         $rule->setIsValid(true);
     }
     return $rule->getIsValid();
 }