PHP Mage_Sales_Model_Quote_Item_Abstract::getBaseDiscountAmount方法代码示例

 /**
  * Calculate tax for each product
  * 
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @param type $rate
  * @return Magestore_Magestore_Model_Total_Quote_Tax
  */
 protected function _calcUnitTaxAmount(Mage_Sales_Model_Quote_Item_Abstract $item, $rate)
 {
     $discount = $item->getDiscountAmount();
     $baseDiscount = $item->getBaseDiscountAmount();
     if ($item->getIsPriceInclTax()) {
         $item->setMagestoreDiscountTax($this->_calculator->calcTaxAmount($item->getMagestoreDiscount(), $rate, false, false));
         $item->setMagestoreBaseDiscountTax($this->_calculator->calcTaxAmount($item->getMagestoreBaseDiscount(), $rate, false, false));
     }
     $item->setDiscountAmount($discount + $item->getMagestoreDiscount() + $item->getMagestoreDiscountTax());
     $item->setBaseDiscountAmount($baseDiscount + $item->getMagestoreDiscount() + $item->getMagestoreBaseDiscountTax());
     parent::_calcUnitTaxAmount($item, $rate);
     $afterDiscount = (bool) Mage::getStoreConfig(Mage_Tax_Model_Config::CONFIG_XML_PATH_APPLY_AFTER_DISCOUNT, $this->_store);
     if ($item->getIsPriceInclTax() && $afterDiscount) {
         foreach ($this->_hiddenTaxes as $key => $taxInfoItem) {
             if (isset($taxInfoItem['item']) && $item->getId() == $taxInfoItem['item']->getId() && $taxInfoItem['value'] >= $item->getMagestoreDiscountTax() && $item->getMagestoreDiscountTax() > 0) {
                 $this->_hiddenTaxes[$key]['value'] = $taxInfoItem['value'] - $item->getMagestoreDiscountTax();
                 $this->_hiddenTaxes[$key]['base_value'] = $taxInfoItem['base_value'] - $item->getMagestoreBaseDiscountTax();
                 break;
             }
         }
         //fix 1.4
         if ($item->getHiddenTaxAmount()) {
             $item->setHiddenTaxAmount($item->getHiddenTaxAmount() - $item->getMagestoreDiscountTax());
             $item->setBaseHiddenTaxAmount($item->getBaseHiddenTaxAmount() - $item->getMagestoreBaseDiscountTax());
         }
     }
     $item->setDiscountAmount($discount);
     $item->setBaseDiscountAmount($baseDiscount);
     return $this;
 }

 /**
  * Calculate tax for each product
  * 
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @param type $rate
  * @return Magestore_Customerreward_Model_Total_Quote_Tax
  */
 protected function _calcUnitTaxAmount(Mage_Sales_Model_Quote_Item_Abstract $item, $rate)
 {
     $discount = $item->getDiscountAmount();
     $baseDiscount = $item->getBaseDiscountAmount();
     $item->setDiscountAmount($discount + $item->getAffiliateplusAmount() + $item->getCustomerrewardAmount());
     $item->setBaseDiscountAmount($baseDiscount + $item->getBaseAffiliateplusAmount() + $item->getBaseCustomerrewardAmount());
     parent::_calcUnitTaxAmount($item, $rate);
     $item->setDiscountAmount($discount);
     $item->setBaseDiscountAmount($baseDiscount);
     return $this;
 }

 /**
  * Calculate tax for each product
  * 
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @param type $rate
  * @return Magestore_Customerreward_Model_Total_Quote_Tax
  */
 protected function _calcUnitTaxAmount(Mage_Sales_Model_Quote_Item_Abstract $item, $rate, &$taxGroups = null, $taxId = null, $recalculateRowTotalInclTax = false)
 {
     $discount = $item->getDiscountAmount();
     $baseDiscount = $item->getBaseDiscountAmount();
     /* hainh add this for calculating discount base on incl or excl tax price 22-04-2014 */
     if (!$this->_discountIncludeTax()) {
         $item->setDiscountAmount($discount + $item->getAffiliateplusAmount() + $item->getCustomerrewardAmount());
         $item->setBaseDiscountAmount($baseDiscount + $item->getBaseAffiliateplusAmount() + $item->getBaseCustomerrewardAmount());
     }
     parent::_calcUnitTaxAmount($item, $rate, $taxGroups, $taxId, $recalculateRowTotalInclTax);
     $item->setDiscountAmount($discount);
     $item->setBaseDiscountAmount($baseDiscount);
     return $this;
 }

 /**
  * Aggregate item discount information to address data and related properties
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @return  Mage_SalesRule_Model_Quote_Discount
  */
 protected function _aggregateItemDiscount($item)
 {
     $this->_addAmount(-$item->getDiscountAmount());
     $this->_addBaseAmount(-$item->getBaseDiscountAmount());
     return $this;
 }

 /**
  * Request shipping rates for entire address or specified address item
  * Returns true if current selected shipping method code corresponds to one of the found rates
  *
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @return bool
  */
 public function requestShippingRates(Mage_Sales_Model_Quote_Item_Abstract $item = null)
 {
     //Mage::log("requestShippingRates");
     /** @var $request Mage_Shipping_Model_Rate_Request */
     $request = Mage::getModel('shipping/rate_request');
     $request->setAllItems($item ? array($item) : $this->getAllItems());
     $request->setDestCountryId($this->getCountryId());
     $request->setDestRegionId($this->getRegionId());
     $request->setDestRegionCode($this->getRegionCode());
     /**
      * need to call getStreet with -1
      * to get data in string instead of array
      */
     $request->setDestStreet($this->getStreet(-1));
     $request->setDestCity($this->getCity());
     $request->setDestPostcode($this->getPostcode());
     $request->setPackageValue($item ? $item->getBaseRowTotal() : $this->getBaseSubtotal());
     $packageValueWithDiscount = $item ? $item->getBaseRowTotal() - $item->getBaseDiscountAmount() : $this->getBaseSubtotalWithDiscount();
     $request->setPackageValueWithDiscount($packageValueWithDiscount);
     $request->setPackageWeight($item ? $item->getRowWeight() : $this->getWeight());
     $request->setPackageQty($item ? $item->getQty() : $this->getItemQty());
     /**
      * Need for shipping methods that use insurance based on price of physical products
      */
     $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $this->getBaseSubtotal() - $this->getBaseVirtualAmount();
     $request->setPackagePhysicalValue($packagePhysicalValue);
     $request->setFreeMethodWeight($item ? 0 : $this->getFreeMethodWeight());
     /**
      * Store and website identifiers need specify from quote
      */
     /*$request->setStoreId(Mage::app()->getStore()->getId());
       $request->setWebsiteId(Mage::app()->getStore()->getWebsiteId());*/
     $request->setStoreId($this->getQuote()->getStore()->getId());
     $request->setWebsiteId($this->getQuote()->getStore()->getWebsiteId());
     $request->setFreeShipping($this->getFreeShipping());
     /**
      * Currencies need to convert in free shipping
      */
     $request->setBaseCurrency($this->getQuote()->getStore()->getBaseCurrency());
     $request->setPackageCurrency($this->getQuote()->getStore()->getCurrentCurrency());
     $request->setLimitCarrier($this->getLimitCarrier());
     $result = Mage::getModel('shipping/shipping')->collectRatesWithAddress($request, $this)->getResult();
     $found = false;
     if ($result) {
         $shippingRates = $result->getAllRates();
         foreach ($shippingRates as $shippingRate) {
             $rate = Mage::getModel('sales/quote_address_rate')->importShippingRate($shippingRate);
             if (!$item) {
                 $this->addShippingRate($rate);
             }
             if ($this->getShippingMethod() == $rate->getCode()) {
                 if ($item) {
                     $item->setBaseShippingAmount($rate->getPrice());
                 } else {
                     /**
                      * possible bug: this should be setBaseShippingAmount(),
                      * see Mage_Sales_Model_Quote_Address_Total_Shipping::collect()
                      * where this value is set again from the current specified rate price
                      * (looks like a workaround for this bug)
                      */
                     $this->setShippingAmount($rate->getPrice());
                 }
                 $found = true;
             }
         }
     }
     return $found;
 }

 /**
  * Aggregate row totals per tax rate in array
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @param   float $rate
  * @param   array $taxGroups
  * @return  Mage_Tax_Model_Sales_Total_Quote
  */
 protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
 {
     $inclTax = $item->getIsPriceInclTax();
     $rateKey = (string) $rate;
     $taxSubtotal = $subtotal = $item->getTaxableAmount() + $item->getExtraRowTaxableAmount();
     $baseTaxSubtotal = $baseSubtotal = $item->getBaseTaxableAmount() + $item->getBaseExtraRowTaxableAmount();
     $item->setTaxPercent($rate);
     if (!isset($taxGroups[$rateKey]['totals'])) {
         $taxGroups[$rateKey]['totals'] = array();
         $taxGroups[$rateKey]['base_totals'] = array();
     }
     $hiddenTax = null;
     $baseHiddenTax = null;
     switch ($this->_helper->getCalculationSequence($this->_store)) {
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
             $rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
             break;
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
             if ($this->_helper->applyTaxOnOriginalPrice($this->_store)) {
                 $discount = $item->getOriginalDiscountAmount();
                 $baseDiscount = $item->getBaseOriginalDiscountAmount();
             } else {
                 $discount = $item->getDiscountAmount();
                 $baseDiscount = $item->getBaseDiscountAmount();
             }
             $taxSubtotal = max($subtotal - $discount, 0);
             $baseTaxSubtotal = max($baseSubtotal - $baseDiscount, 0);
             $rowTax = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, $inclTax, false);
             if ($inclTax && $discount > 0) {
                 $hiddenTax = $this->_calculator->calcTaxAmount($discount, $rate, $inclTax, false);
                 $baseHiddenTax = $this->_calculator->calcTaxAmount($baseDiscount, $rate, $inclTax, false);
                 $this->_hiddenTaxes[] = array('rate_key' => $rateKey, 'qty' => 1, 'item' => $item, 'value' => $hiddenTax, 'base_value' => $baseHiddenTax, 'incl_tax' => $inclTax);
             }
             break;
     }
     $rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
     $baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
     $item->setTaxAmount(max(0, $rowTax));
     $item->setBaseTaxAmount(max(0, $baseRowTax));
     $taxGroups[$rateKey]['totals'][] = max(0, $taxSubtotal);
     $taxGroups[$rateKey]['base_totals'][] = max(0, $baseTaxSubtotal);
     return $this;
 }

 /**
  * Aggregate row totals per tax rate in array
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @param   float $rate
  * @param   array $taxGroups
  * @return  Mage_Tax_Model_Sales_Total_Quote
  */
 protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
 {
     $inclTax = $item->getIsPriceInclTax();
     $rateKey = (string) $rate;
     $subtotal = $item->getTaxableAmount() + $item->getExtraRowTaxableAmount();
     $baseSubtotal = $item->getBaseTaxableAmount() + $item->getBaseExtraRowTaxableAmount();
     $item->setTaxPercent($rate);
     if (!isset($taxGroups[$rateKey]['totals'])) {
         $taxGroups[$rateKey]['totals'] = array();
         $taxGroups[$rateKey]['base_totals'] = array();
     }
     $hiddenTax = null;
     $baseHiddenTax = null;
     switch ($this->_helper->getCalculationSequence($this->_store)) {
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
             $rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
             break;
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
             $discount = $item->getDiscountAmount();
             $baseDiscount = $item->getBaseDiscountAmount();
             $subtotal -= $discount;
             $baseSubtotal -= $baseDiscount;
             $rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
             break;
     }
     $rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
     $baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
     if ($inclTax && !empty($discount)) {
         $hiddenTax = $item->getRowTotalInclTax() - $item->getRowTotal() - $rowTax;
         $baseHiddenTax = $item->getBaseRowTotalInclTax() - $item->getBaseRowTotal() - $baseRowTax;
     }
     $item->setTaxAmount(max(0, $rowTax));
     $item->setBaseTaxAmount(max(0, $baseRowTax));
     $item->setHiddenTaxAmount(max(0, $hiddenTax));
     $item->setBaseHiddenTaxAmount(max(0, $baseHiddenTax));
     $taxGroups[$rateKey]['totals'][] = max(0, $subtotal);
     $taxGroups[$rateKey]['base_totals'][] = max(0, $baseSubtotal);
     return $this;
 }

 public function apply(Mage_Sales_Model_Quote_Item_Abstract $item)
 {
     # Do not apply any discount if Ext is Disabled
     if (Mage::helper('referafriend')->getExtDisabled()) {
         return $this;
     }
     $this->_quote = $quote = $item->getQuote();
     if ($item instanceof Mage_Sales_Model_Quote_Address_Item) {
         $address = $item->getAddress();
     } elseif ($quote->isVirtual()) {
         $address = $quote->getBillingAddress();
     } else {
         $address = $quote->getShippingAddress();
     }
     # allow additional discount logic start
     $hasAdditional = $item->getQuote()->getCouponCode() ? true : false;
     $helper = Mage::helper('referafriend/referrer');
     $baseSubtotal = $address->getBaseSubtotal();
     $clearUse = array();
     if (!$this->_discount) {
         Mage::helper('referafriend')->setCustomerDiscount(0);
         $customer = $quote->getCustomer();
         $referrerId = $customer->getId();
         $discounts = Mage::getResourceModel('referafriend/discount_collection')->loadByReferrer($referrerId);
         if (count($discounts)) {
             foreach ($discounts as $discount) {
                 $rule = Mage::getSingleton('referafriend/rule')->load($discount->getRuleId());
                 if ($rule->getDiscountUsage() == 0 || $rule->getDiscountUsage() > $discount->getDiscountUsed()) {
                     # allow additional discount logic
                     if ($hasAdditional && $rule->getAllowAdditionalDiscount() || !$hasAdditional) {
                         $this->_discount[$discount->getId()] = $discount;
                     } else {
                         $clearUse[] = $discount->getId();
                     }
                 }
             }
         }
     }
     if (!count($this->_discount)) {
         # Reset used discount
         $customer = Mage::getSingleton('customer/session');
         if ($customer->isLoggedIn()) {
             $customer->setDiscountUsed(array());
         }
         return $this;
     }
     $this->_getCouponCode();
     //        $this->_couponCode = $this->_getCouponCode();
     $customer = Mage::getSingleton('customer/session');
     if ($customer->isLoggedIn()) {
         $discountUsed = (array) $customer->getDiscountUsed();
     }
     $rafDiscount = Mage::helper('referafriend')->getCustomerDiscount(false) ? Mage::helper('referafriend')->getCustomerDiscount(false) : 0;
     $notUsed = array();
     foreach ($this->_discount as $discountId => $discount) {
         $discountAmount = 0;
         $baseDiscountAmount = 0;
         $rule = Mage::getModel('referafriend/rule')->load($discount->getRuleId());
         switch ($discount->getType()) {
             case self::TYPE_PERCENT:
                 $discountPercent = min(100, $discount->getAmount());
                 $discountAmount = ($item->getRowTotal() - $item->getDiscountAmount()) * $discountPercent / 100;
                 $baseDiscountAmount = ($item->getBaseRowTotal() - $item->getBaseDiscountAmount()) * $discountPercent / 100;
                 $checkDiscountAmount = $baseSubtotal * $discountPercent / 100;
                 if (!($rule->getDiscountGreater() && $checkDiscountAmount < $rule->getDiscountGreater()) && !($rule->getTotalGreater() && $baseSubtotal < $rule->getTotalGreater())) {
                     if (isset($discountUsed)) {
                         if (!isset($discountUsed[$discountId])) {
                             $discountUsed[$discountId] = false;
                         }
                     }
                     $rafDiscount += $baseDiscountAmount;
                     $discountAmount = min($discountAmount + $item->getDiscountAmount(), $item->getRowTotal());
                     $baseDiscountAmount = min($baseDiscountAmount + $item->getBaseDiscountAmount(), $item->getBaseRowTotal());
                     //$discountPercent = min(100, $item->getDiscountPercent()+$percentDiscount);
                     $item->setDiscountPercent(min(100, $item->getDiscountPercent() + $discountPercent));
                     $discountAmount = $quote->getStore()->roundPrice($discountAmount);
                     $baseDiscountAmount = $quote->getStore()->roundPrice($baseDiscountAmount);
                     $item->setDiscountAmount($discountAmount);
                     $item->setBaseDiscountAmount($baseDiscountAmount);
                 } else {
                     $notUsed[] = $discountId;
                     if (isset($discountUsed[$discountId])) {
                         unset($discountUsed[$discountId]);
                     }
                 }
                 break;
             case self::TYPE_FLATRATE:
                 $discountAmount = min($item->getRowTotal() - $item->getDiscountAmount(), $quote->getStore()->convertPrice($discount->getAmount()));
                 $baseDiscountAmount = min($item->getBaseRowTotal() - $item->getBaseDiscountAmount(), $discount->getAmount());
                 $checkDiscountAmount = $discount->getAmount();
                 if (!($rule->getDiscountGreater() && $checkDiscountAmount < $rule->getDiscountGreater()) && !($rule->getTotalGreater() && $baseSubtotal < $rule->getTotalGreater())) {
                     if (isset($discountUsed)) {
                         if (!isset($discountUsed[$discountId])) {
                             $discountUsed[$discountId] = false;
                         }
                     }
                     $rafDiscount += $baseDiscountAmount;
                     $this->_discount[$discountId]->setAmount($discount->getAmount() - $baseDiscountAmount);
                     /*$discountAmount     = $quote->getStore()->roundPrice($discountAmount);
                       $baseDiscountAmount = $quote->getStore()->roundPrice($baseDiscountAmount);*/
//.........这里部分代码省略.........

 /**
  * Request shipping rates for entire address or specified address item
  * Returns true if current selected shipping method code corresponds to one of the found rates
  *
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @return bool
  */
 public function requestShippingRates(Mage_Sales_Model_Quote_Item_Abstract $item = null)
 {
     /** @var $request Mage_Shipping_Model_Rate_Request */
     $request = Mage::getModel('shipping/rate_request');
     $request->setAllItems($item ? array($item) : $this->getAllItems());
     $request->setDestCountryId($this->getCountryId());
     $request->setDestRegionId($this->getRegionId());
     $request->setDestRegionCode($this->getRegionCode());
     /**
      * need to call getStreet with -1
      * to get data in string instead of array
      */
     $request->setDestStreet($this->getStreet(-1));
     $request->setDestCity($this->getCity());
     $request->setDestPostcode($this->getPostcode());
     $request->setPackageValue($item ? $item->getBaseRowTotal() : $this->getBaseSubtotal());
     $packageValueWithDiscount = $item ? $item->getBaseRowTotal() - $item->getBaseDiscountAmount() : $this->getBaseSubtotalWithDiscount();
     $request->setPackageValueWithDiscount($packageValueWithDiscount);
     $request->setPackageWeight($item ? $item->getRowWeight() : $this->getWeight());
     $request->setPackageQty($item ? $item->getQty() : $this->getItemQty());
     /**
      * Need for shipping methods that use insurance based on price of physical products
      */
     $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $this->getBaseSubtotal() - $this->getBaseVirtualAmount();
     $request->setPackagePhysicalValue($packagePhysicalValue);
     $request->setFreeMethodWeight($item ? 0 : $this->getFreeMethodWeight());
     /**
      * Store and website identifiers need specify from quote
      */
     /*$request->setStoreId(Mage::app()->getStore()->getId());
       $request->setWebsiteId(Mage::app()->getStore()->getWebsiteId());*/
     $request->setStoreId($this->getQuote()->getStore()->getId());
     $request->setWebsiteId($this->getQuote()->getStore()->getWebsiteId());
     $request->setFreeShipping($this->getFreeShipping());
     /**
      * Currencies need to convert in free shipping
      */
     $request->setBaseCurrency($this->getQuote()->getStore()->getBaseCurrency());
     $request->setPackageCurrency($this->getQuote()->getStore()->getCurrentCurrency());
     $request->setLimitCarrier($this->getLimitCarrier());
     $request->setBaseSubtotalInclTax($this->getBaseSubtotalInclTax());
     $result = Mage::getModel('shipping/shipping')->collectRates($request)->getResult();
     $found = false;
     if ($result) {
         $shippingRates = $result->getAllRates();
         // ============ Apply shipping on order minimum value after discount specific to coupon code only =================
         if (!Mage::app()->getStore()->isAdmin()) {
             foreach ($shippingRates as $i => $r) {
                 if ($r->getMethod() == 'freeshipping') {
                     unset($shippingRates[$i]);
                 }
             }
         }
         $isfree = true;
         $minimum_purchange_amount = Mage::getStoreConfig('sales/minimum_order_custom/minimum_purchange_amount');
         $minimum_purchange_amount_status = Mage::getStoreConfig('sales/minimum_order_custom/minimum_purchange_amount_status');
         if ($minimum_purchange_amount_status == '1' && $minimum_purchange_amount > 0) {
             $minPurchaseAmt = Mage::helper('common')->checkMinPurchageAmount($minimum_purchange_amount);
             if ($minPurchaseAmt) {
                 foreach ($shippingRates as $i => $r) {
                     if ($r->getMethod() == 'standard') {
                         $shippingRates[$i]->setPrice(0);
                         $shippingRates[$i]->setCost(0);
                         $isfree = true;
                     }
                 }
             }
         }
         // ==========================================================================================
         foreach ($shippingRates as $shippingRate) {
             $rate = Mage::getModel('sales/quote_address_rate')->importShippingRate($shippingRate);
             if (!$item) {
                 $this->addShippingRate($rate);
             }
             if ($this->getShippingMethod() == $rate->getCode()) {
                 if ($item) {
                     $item->setBaseShippingAmount($rate->getPrice());
                 } else {
                     /**
                      * possible bug: this should be setBaseShippingAmount(),
                      * see Mage_Sales_Model_Quote_Address_Total_Shipping::collect()
                      * where this value is set again from the current specified rate price
                      * (looks like a workaround for this bug)
                      */
                     $this->setShippingAmount($rate->getPrice());
                 }
                 $found = true;
             }
         }
     }
     return $found;
 }

 /**
  * Aggregate row totals per tax rate in array
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @param   float $rate
  * @param   array $taxGroups
  * @return  Mage_Tax_Model_Sales_Total_Quote
  */
 protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
 {
     $store = $item->getStore();
     $inclTax = $this->_usePriceIncludeTax($store);
     if ($inclTax) {
         $subtotal = $item->getTaxCalcRowTotal();
         $baseSubtotal = $item->getBaseTaxCalcRowTotal();
     } else {
         if ($item->hasCustomPrice() && $this->_helper->applyTaxOnCustomPrice($store)) {
             $subtotal = $item->getRowTotal();
             $baseSubtotal = $item->getBaseRowTotal();
         } else {
             $subtotal = $item->getTotalQty() * $item->getOriginalPrice();
             $baseSubtotal = $item->getTotalQty() * $item->getBaseOriginalPrice();
         }
     }
     $discountAmount = $item->getDiscountAmount();
     $baseDiscountAmount = $item->getBaseDiscountAmount();
     $qty = $item->getTotalQty();
     $rateKey = (string) $rate;
     /**
      * Add extra amounts which can be taxable too
      */
     $calcTotal = $subtotal + $item->getExtraRowTaxableAmount();
     $baseCalcTotal = $baseSubtotal + $item->getBaseExtraRowTaxableAmount();
     $item->setTaxPercent($rate);
     if (!isset($taxGroups[$rateKey]['totals'])) {
         $taxGroups[$rateKey]['totals'] = array();
     }
     if (!isset($taxGroups[$rateKey]['totals'])) {
         $taxGroups[$rateKey]['base_totals'] = array();
     }
     $calculationSequence = $this->_helper->getCalculationSequence($store);
     switch ($calculationSequence) {
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
             $rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
             break;
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
             $rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
             $discountPrice = $inclTax ? $subtotal / $qty : ($subtotal + $rowTax) / $qty;
             $baseDiscountPrice = $inclTax ? $baseSubtotal / $qty : ($baseSubtotal + $baseRowTax) / $qty;
             $item->setDiscountCalculationPrice($discountPrice);
             $item->setBaseDiscountCalculationPrice($baseDiscountPrice);
             break;
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
             $calcTotal = $calcTotal - $discountAmount;
             $baseCalcTotal = $baseCalcTotal - $baseDiscountAmount;
             $rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
             break;
     }
     /**
      * "Delta" rounding
      */
     $delta = isset($this->_roundingDeltas[$rateKey]) ? $this->_roundingDeltas[$rateKey] : 0;
     $baseDelta = isset($this->_baseRoundingDeltas[$rateKey]) ? $this->_baseRoundingDeltas[$rateKey] : 0;
     $rowTax += $delta;
     $baseRowTax += $baseDelta;
     $this->_roundingDeltas[$rateKey] = $rowTax - $this->_calculator->round($rowTax);
     $this->_baseRoundingDeltas[$rateKey] = $baseRowTax - $this->_calculator->round($baseRowTax);
     $rowTax = $this->_calculator->round($rowTax);
     $baseRowTax = $this->_calculator->round($baseRowTax);
     /**
      * Renew item amounts in case if we are working with price include tax
      */
     if ($inclTax) {
         $unitTax = $this->_calculator->round($rowTax / $qty);
         $baseUnitTax = $this->_calculator->round($baseRowTax / $qty);
         if ($item->hasCustomPrice()) {
             $item->setCustomPrice($item->getPriceInclTax() - $unitTax);
             $item->setBaseCustomPrice($item->getBasePriceInclTax() - $baseUnitTax);
         } else {
             $item->setOriginalPrice($item->getPriceInclTax() - $unitTax);
             $item->setPrice($item->getBasePriceInclTax() - $baseUnitTax);
             $item->setBasePrice($item->getBasePriceInclTax() - $baseUnitTax);
         }
         $item->setRowTotal($item->getRowTotalInclTax() - $rowTax);
         $item->setBaseRowTotal($item->getBaseRowTotalInclTax() - $baseRowTax);
     }
     $item->setTaxAmount($rowTax);
     $item->setBaseTaxAmount($baseRowTax);
     $taxGroups[$rateKey]['totals'][] = $calcTotal;
     $taxGroups[$rateKey]['base_totals'][] = $baseCalcTotal;
     return $this;
 }

 /**
  * Round discount amounts and bound them to the total row price
  *
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @param string                               $currencyCode
  * @param string                               $baseCurrencyCode
  *
  * @return Mage_Sales_Model_Quote_Item_Abstract
  */
 protected function fixDiscounts(Mage_Sales_Model_Quote_Item_Abstract $item, $currencyCode, $baseCurrencyCode)
 {
     // Get discount amounts
     $itemDiscountAmount = $item->getDiscountAmount();
     $itemOriginalDiscountAmount = $item->getOriginalDiscountAmount();
     $itemBaseDiscountAmount = $item->getBaseDiscountAmount();
     $itemBaseOriginalDiscountAmount = $item->getBaseOriginalDiscountAmount();
     // Round discount amounts
     $itemDiscountAmount = $this->round($itemDiscountAmount, $currencyCode);
     $itemOriginalDiscountAmount = $this->round($itemOriginalDiscountAmount, $currencyCode);
     $itemBaseDiscountAmount = $this->round($itemBaseDiscountAmount, $baseCurrencyCode);
     $itemBaseOriginalDiscountAmount = $this->round($itemBaseOriginalDiscountAmount, $baseCurrencyCode);
     // Get item unit prices
     $itemPrice = $this->getItemPrice($item);
     $baseItemPrice = $this->getItemBasePrice($item);
     $itemOriginalPrice = $this->getItemOriginalPrice($item);
     $baseItemOriginalPrice = $this->getItemBaseOriginalPrice($item);
     // Discount cannot exceed row total
     $itemDiscountAmount = min($itemDiscountAmount, $itemPrice * $item->getQty());
     $itemOriginalDiscountAmount = min($itemOriginalDiscountAmount, $itemOriginalPrice * $item->getQty());
     $itemBaseDiscountAmount = min($itemBaseDiscountAmount, $baseItemPrice * $item->getQty());
     $itemBaseOriginalDiscountAmount = min($itemBaseOriginalDiscountAmount, $baseItemOriginalPrice * $item->getQty());
     // Save fixed discount amounts
     $item->setDiscountAmount($itemDiscountAmount);
     $item->setOriginalDiscountAmount($itemOriginalDiscountAmount);
     $item->setBaseDiscountAmount($itemBaseDiscountAmount);
     $item->setBaseOriginalDiscountAmount($itemBaseOriginalDiscountAmount);
     return $item;
 }

 /**
  * WE NEEDED TO OVERRIDE THIS METHOD CALL TO UPDATE THE SHIPPING RATES AS
  * SOON AS WE RECEIVED THEM
  * 
  * 
  * 
  * 
  * Request shipping rates for entire address or specified address item
  * Returns true if current selected shipping method code corresponds to one of the found rates
  *
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @return bool
  */
 public function requestShippingRates(Mage_Sales_Model_Quote_Item_Abstract $item = null)
 {
     /**
      * CUSTOMIZED THIS FUNCTION BY ADDING THIS EVENT CALL
      */
     if (!$this->getQuote()->getShippingAddress()->getResidentialIndicator()) {
         Mage::dispatchEvent('widgetized_validate_address', array($this->_eventObject => $this, 'order' => $this->getQuote()));
     }
     /** @var $request Mage_Shipping_Model_Rate_Request */
     $request = Mage::getModel('shipping/rate_request');
     $request->setQuote($this->getQuote());
     $request->setAllItems($item ? array($item) : $this->getAllItems());
     $request->setDestCountryId($this->getCountryId());
     $request->setDestRegionId($this->getRegionId());
     $request->setDestRegionCode($this->getRegionCode());
     /**
      * need to call getStreet with -1
      * to get data in string instead of array
      */
     $request->setDestStreet($this->getStreet(self::DEFAULT_DEST_STREET));
     $request->setDestCity($this->getCity());
     $request->setDestPostcode($this->getPostcode());
     $request->setPackageValue($item ? $item->getBaseRowTotal() : $this->getBaseSubtotal());
     $packageValueWithDiscount = $item ? $item->getBaseRowTotal() - $item->getBaseDiscountAmount() : $this->getBaseSubtotalWithDiscount();
     $request->setPackageValueWithDiscount($packageValueWithDiscount);
     $request->setPackageWeight($item ? $item->getRowWeight() : $this->getWeight());
     $request->setPackageQty($item ? $item->getQty() : $this->getItemQty());
     /**
      * Need for shipping methods that use insurance based on price of physical products
      */
     $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $this->getBaseSubtotal() - $this->getBaseVirtualAmount();
     $request->setPackagePhysicalValue($packagePhysicalValue);
     $request->setFreeMethodWeight($item ? 0 : $this->getFreeMethodWeight());
     /**
      * Store and website identifiers need specify from quote
      */
     /*$request->setStoreId(Mage::app()->getStore()->getId());
       $request->setWebsiteId(Mage::app()->getStore()->getWebsiteId());*/
     $request->setStoreId($this->getQuote()->getStore()->getId());
     $request->setWebsiteId($this->getQuote()->getStore()->getWebsiteId());
     $request->setFreeShipping($this->getFreeShipping());
     /**
      * Currencies need to convert in free shipping
      */
     $request->setBaseCurrency($this->getQuote()->getStore()->getBaseCurrency());
     $request->setPackageCurrency($this->getQuote()->getStore()->getCurrentCurrency());
     $request->setLimitCarrier($this->getLimitCarrier());
     $request->setBaseSubtotalInclTax($this->getBaseSubtotalInclTax() + $this->getBaseExtraTaxAmount());
     $result = Mage::getModel('shipping/shipping')->collectRates($request)->getResult();
     $found = false;
     if ($result) {
         $shippingRates = $result->getAllRates();
         //            var_dump($shippingRates);die;
         /**
          * CUSTOMIZED THIS FUNCTION BY ADDING THIS EVENT CALL
          */
         Mage::dispatchEvent($this->_eventPrefix . '_update_shipping_rates', array($this->_eventObject => $this, 'shipping_rates' => $shippingRates));
         foreach ($shippingRates as $shippingRate) {
             $rate = Mage::getModel('sales/quote_address_rate')->importShippingRate($shippingRate);
             /**
              * COST is Cheaper than the PRICE
              * 
              * We don't want to use the price, we want to give shipping
              * to users at cost.
              */
             if (!$item) {
                 $this->addShippingRate($rate);
             }
             if ($this->getShippingMethod() == $rate->getCode()) {
                 $price = $rate->getCost();
                 if (!$price) {
                     $price = $rate->getPrice();
                 }
                 if ($item) {
                     $item->setBaseShippingAmount($price);
                 } else {
                     /**
                      * possible bug: this should be setBaseShippingAmount(),
                      * see Mage_Sales_Model_Quote_Address_Total_Shipping::collect()
                      * where this value is set again from the current specified rate price
                      * (looks like a workaround for this bug)
                      */
                     $this->setShippingAmount($price);
                 }
                 $found = true;
             }
         }
//.........这里部分代码省略.........

 /**
  * Request shipping rates for entire address or specified address item
  * Returns true if current selected shipping method code corresponds to one of the found rates
  *
  * @param Mage_Sales_Model_Quote_Item_Abstract $item
  * @return bool
  */
 public function requestShippingRates(Mage_Sales_Model_Quote_Item_Abstract $item = null)
 {
     /** @var $request Mage_Shipping_Model_Rate_Request */
     $request = Mage::getModel('shipping/rate_request');
     $request->setAllItems($item ? array($item) : $this->getAllItems());
     $request->setDestCountryId($this->getCountryId());
     $request->setDestRegionId($this->getRegionId());
     $request->setDestRegionCode($this->getRegionCode());
     /**
      * need to call getStreet with -1
      * to get data in string instead of array
      */
     $request->setDestStreet($this->getStreet(-1));
     $request->setDestCity($this->getCity());
     $request->setDestPostcode($this->getPostcode());
     $request->setPackageValue($item ? $item->getBaseRowTotal() : $this->getBaseSubtotal());
     $packageValueWithDiscount = $item ? $item->getBaseRowTotal() - $item->getBaseDiscountAmount() : $this->getBaseSubtotalWithDiscount();
     $request->setPackageValueWithDiscount($packageValueWithDiscount);
     $request->setPackageWeight($item ? $item->getRowWeight() : $this->getWeight());
     $request->setPackageQty($item ? $item->getQty() : $this->getItemQty());
     /**
      * Need for shipping methods that use insurance based on price of physical products
      */
     $packagePhysicalValue = $item ? $item->getBaseRowTotal() : $this->getBaseSubtotal() - $this->getBaseVirtualAmount();
     $request->setPackagePhysicalValue($packagePhysicalValue);
     $request->setFreeMethodWeight($item ? 0 : $this->getFreeMethodWeight());
     /**
      * Store and website identifiers need specify from quote
      */
     /*$request->setStoreId(Mage::app()->getStore()->getId());
       $request->setWebsiteId(Mage::app()->getStore()->getWebsiteId());*/
     $request->setStoreId($this->getQuote()->getStore()->getId());
     $request->setWebsiteId($this->getQuote()->getStore()->getWebsiteId());
     $request->setFreeShipping($this->getFreeShipping());
     /**
      * Currencies need to convert in free shipping
      */
     $request->setBaseCurrency($this->getQuote()->getStore()->getBaseCurrency());
     $request->setPackageCurrency($this->getQuote()->getStore()->getCurrentCurrency());
     $request->setLimitCarrier($this->getLimitCarrier());
     $request->setBaseSubtotalInclTax($this->getBaseSubtotalInclTax());
     $result = Mage::getModel('shipping/shipping')->collectRates($request)->getResult();
     $found = true;
     return $found;
 }

 /**
  * Convert quote item to order item
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @return  Mage_Sales_Model_Order_Item
  */
 public function itemToOrderItem(Mage_Sales_Model_Quote_Item_Abstract $item)
 {
     $orderItem = Mage::getModel('sales/order_item')->setStoreId($item->getStoreId())->setQuoteItemId($item->getId())->setProductId($item->getProductId())->setSuperProductId($item->getSuperProductId())->setParentProductId($item->getParentProductId())->setSku($item->getSku())->setName($item->getName())->setDescription($item->getDescription())->setWeight($item->getWeight())->setIsQtyDecimal($item->getIsQtyDecimal())->setQtyOrdered($item->getQty())->setOriginalPrice($item->getOriginalPrice())->setAppliedRuleIds($item->getAppliedRuleIds())->setAdditionalData($item->getAdditionalData())->setPrice($item->getCalculationPrice())->setTaxPercent($item->getTaxPercent())->setTaxAmount($item->getTaxAmount())->setRowWeight($item->getRowWeight())->setRowTotal($item->getRowTotal())->setBasePrice($item->getBaseCalculationPrice())->setBaseOriginalPrice($item->getPrice())->setBaseTaxAmount($item->getBaseTaxAmount())->setBaseRowTotal($item->getBaseRowTotal());
     if (!$item->getNoDiscount()) {
         $orderItem->setDiscountPercent($item->getDiscountPercent())->setDiscountAmount($item->getDiscountAmount())->setBaseDiscountAmount($item->getBaseDiscountAmount());
     }
     Mage::dispatchEvent('sales_convert_quote_item_to_order_item', array('order_item' => $orderItem, 'item' => $item));
     return $orderItem;
 }

 /**
  * Aggregate row totals per tax rate in array
  *
  * @param   Mage_Sales_Model_Quote_Item_Abstract $item
  * @param   float $rate
  * @param   array $taxGroups
  * @return  Mage_Tax_Model_Sales_Total_Quote
  */
 protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
 {
     $inclTax = $item->getIsPriceInclTax();
     $rateKey = (string) $rate;
     $taxSubtotal = $subtotal = $item->getTaxableAmount();
     $baseTaxSubtotal = $baseSubtotal = $item->getBaseTaxableAmount();
     $isWeeeEnabled = $this->_weeeHelper->isEnabled();
     $isWeeeTaxable = $this->_weeeHelper->isTaxable();
     $item->setTaxPercent($rate);
     if (!isset($taxGroups[$rateKey]['totals'])) {
         $taxGroups[$rateKey]['totals'] = array();
         $taxGroups[$rateKey]['base_totals'] = array();
         $taxGroups[$rateKey]['weee_tax'] = array();
         $taxGroups[$rateKey]['base_weee_tax'] = array();
     }
     $hiddenTax = null;
     $baseHiddenTax = null;
     switch ($this->_helper->getCalculationSequence($this->_store)) {
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
             $rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
             if ($isWeeeEnabled && $isWeeeTaxable) {
                 $weeeTax = $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
                 $baseWeeeTax = $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
                 $rowTax += $weeeTax;
                 $baseRowTax += $baseWeeeTax;
                 $taxGroups[$rateKey]['weee_tax'][] = $this->_deltaRound($weeeTax, $rateKey, $inclTax);
                 $taxGroups[$rateKey]['base_weee_tax'][] = $this->_deltaRound($baseWeeeTax, $rateKey, $inclTax);
             }
             break;
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
         case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
             if ($this->_helper->applyTaxOnOriginalPrice($this->_store)) {
                 $discount = $item->getOriginalDiscountAmount();
                 $baseDiscount = $item->getBaseOriginalDiscountAmount();
             } else {
                 $discount = $item->getDiscountAmount();
                 $baseDiscount = $item->getBaseDiscountAmount();
             }
             //weee discount should be removed when calculating hidden tax
             if ($isWeeeEnabled) {
                 $discount = $discount - $item->getWeeeDiscount();
                 $baseDiscount = $baseDiscount - $item->getBaseWeeeDiscount();
             }
             $taxSubtotal = max($subtotal - $discount, 0);
             $baseTaxSubtotal = max($baseSubtotal - $baseDiscount, 0);
             $rowTax = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, $inclTax, false);
             $baseRowTax = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, $inclTax, false);
             if ($isWeeeEnabled && $this->_weeeHelper->isTaxable()) {
                 $weeeTax = ($item->getWeeeTaxAppliedRowAmount() - $item->getWeeeDiscount()) * $rate / 100;
                 $rowTax += $weeeTax;
                 $baseWeeeTax = ($item->getBaseWeeeTaxAppliedRowAmount() - $item->getBaseWeeeDiscount()) * $rate / 100;
                 $baseRowTax += $baseWeeeTax;
                 $taxGroups[$rateKey]['weee_tax'][] = $weeeTax;
                 $taxGroups[$rateKey]['base_weee_tax'][] = $baseWeeeTax;
             }
             if (!$item->getNoDiscount() && $item->getWeeeTaxApplied()) {
                 $rowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
                 $baseRowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
                 if ($isWeeeTaxable) {
                     $rowTaxBeforeDiscount += $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
                     $baseRowTaxBeforeDiscount += $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
                 }
             }
             if ($inclTax && $discount > 0) {
                 $hiddenTax = $this->_calculator->calcTaxAmount($discount, $rate, $inclTax, false);
                 $baseHiddenTax = $this->_calculator->calcTaxAmount($baseDiscount, $rate, $inclTax, false);
                 $this->_hiddenTaxes[] = array('rate_key' => $rateKey, 'qty' => 1, 'item' => $item, 'value' => $hiddenTax, 'base_value' => $baseHiddenTax, 'incl_tax' => $inclTax);
             }
             break;
     }
     $rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
     $baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
     $item->setTaxAmount(max(0, $rowTax));
     $item->setBaseTaxAmount(max(0, $baseRowTax));
     if (isset($rowTaxBeforeDiscount) && isset($baseRowTaxBeforeDiscount)) {
         $taxBeforeDiscount = max(0, $this->_deltaRound($rowTaxBeforeDiscount, $rateKey, $inclTax, 'tax_before_discount'));
         $baseTaxBeforeDiscount = max(0, $this->_deltaRound($baseRowTaxBeforeDiscount, $rateKey, $inclTax, 'tax_before_discount_base'));
         $item->setDiscountTaxCompensation($taxBeforeDiscount - max(0, $rowTax));
         $item->setBaseDiscountTaxCompensation($baseTaxBeforeDiscount - max(0, $baseRowTax));
     }
     $rowTotalInclTax = $item->getRowTotalInclTax();
     if (!isset($rowTotalInclTax)) {
         $weeeTaxBeforeDiscount = 0;
         $baseWeeeTaxBeforeDiscount = 0;
         if ($isWeeeTaxable) {
             $weeeTaxBeforeDiscount = $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
             $baseWeeeTaxBeforeDiscount = $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
         }
         if ($this->_config->priceIncludesTax($this->_store)) {
             $item->setRowTotalInclTax($subtotal + $weeeTaxBeforeDiscount);
//.........这里部分代码省略.........