分裂顺序不适用于magento

Question

此代码并未完全拆分我的订单。账单的小计和总计还没有分开。这段代码正在拆分订单的产品。还有其他代码可以正常使用吗？我想在供应商的基础上拆分订单。一个供应商的产品应该是一个订单而另一个应该是另一个。请给我一些有用的链接。

以下是我的代码。这是订单保存的观察者。

<?php

class Custom_SplitOrderObserver_Model_Checkout_Type_Onepage extends Mage_Checkout_Model_Type_Onepage {

    /**
     * Create order based on checkout type. Create customer if necessary.
     *
     * @return Mage_Checkout_Model_Type_Onepage

 */
public function saveOrder() {
    $this->validate();
    $isNewCustomer = false;
    switch ($this->getCheckoutMethod()) {
        case self::METHOD_GUEST:
            $this->_prepareGuestQuote();
            break;
        case self::METHOD_REGISTER:
            $this->_prepareNewCustomerQuote();
            $isNewCustomer = true;
            break;
        default:
            $this->_prepareCustomerQuote();
            break;
    }

    $cart = $this->getQuote();
    $key = 0;

    foreach ($cart->getAllItems() as $item) {
        $key = $key + 1;
        $temparray[$key]['product_id'] = $item->getProduct()->getId();
        $temparray[$key]['qty'] = $item->getQty();
        $cart->removeItem($item->getId());
        $cart->setSubtotal(0);
        $cart->setBaseSubtotal(0);
        $cart->setSubtotalWithDiscount(0);
        $cart->setBaseSubtotalWithDiscount(0);
        $cart->setGrandTotal(0);
        $cart->setBaseGrandTotal(0);

        $cart->setTotalsCollectedFlag(false);
        $cart->collectTotals();
    }
    $cart->save();

    foreach ($temparray as $key => $item) {
        $customer_id = Mage::getSingleton('customer/session')->getId();
        $store_id = Mage::app()->getStore()->getId();
        $customerObj = Mage::getModel('customer/customer')->load($customer_id);
        $quoteObj = $cart;
        $storeObj = $quoteObj->getStore()->load($store_id);
        $quoteObj->setStore($storeObj);
        $productModel = Mage::getModel('catalog/product');
        $productObj = $productModel->load($item['product_id']);
        $quoteItem = Mage::getModel('sales/quote_item')->setProduct($productObj);
        $quoteItem->setBasePrice($productObj->getFinalPrice());
        $quoteItem->setPriceInclTax($productObj->getFinalPrice());
        $quoteItem->setData('original_price', $productObj->getPrice());
        $quoteItem->setData('price', $productObj->getPrice());
        $quoteItem->setRowTotal($productObj->getFinalPrice());
        $quoteItem->setQuote($quoteObj);
        $quoteItem->setQty($item['qty']);
        $quoteItem->setStoreId($store_id);
        $quoteObj->addItem($quoteItem);
        $quoteObj->setBaseSubtotal($productObj->getFinalPrice());
        $quoteObj->setSubtotal($productObj->getFinalPrice());
        $quoteObj->setBaseGrandTotal($productObj->getFinalPrice());
        $quoteObj->setGrandTotal($productObj->getFinalPrice());

        $quoteObj->setStoreId($store_id);
        $quoteObj->collectTotals();
        $quoteObj->save();
        $this->_quote = $quoteObj;

        $service = Mage::getModel('sales/service_quote', $quoteObj);
        $service->submitAll();
        if ($isNewCustomer) {
            try {
                $this->_involveNewCustomer();
            } catch (Exception $e) {
                Mage::logException($e);
            }
        }
        $this->_checkoutSession->setLastQuoteId($quoteObj->getId())
                ->setLastSuccessQuoteId($quoteObj->getId())
                ->clearHelperData();
        $order = $service->getOrder();
        if ($order) {
            Mage::dispatchEvent('checkout_type_onepage_save_order_after', array('order' => $order, 'quote' => $quoteObj));
            $quoteObj->removeAllItems();
            $quoteObj->setTotalsCollectedFlag(false);
            $quoteObj->collectTotals();
        }
        /**
         * a flag to set that there will be redirect to third party after confirmation
         * eg: paypal standard ipn
         */
        $redirectUrl = $this->getQuote()->getPayment()->getOrderPlaceRedirectUrl();
        /**
         * we only want to send to customer about new order when there is no redirect to third party
         */
        if (!$redirectUrl && $order->getCanSendNewEmailFlag()) {
            try {
                $order->sendNewOrderEmail();
            } catch (Exception $e) {
                Mage::logException($e);
            }
        }
        // add order information to the session
        $this->_checkoutSession->setLastOrderId($order->getId())
                ->setRedirectUrl($redirectUrl)
                ->setLastRealOrderId($order->getIncrementId());
        // as well a billing agreement can be created
        $agreement = $order->getPayment()->getBillingAgreement();
        if ($agreement) {
            $this->_checkoutSession->setLastBillingAgreementId($agreement->getId());
        }
    }
    // add recurring profiles information to the session
    $profiles = $service->getRecurringPaymentProfiles();
    if ($profiles) {
        $ids = array();
        foreach ($profiles as $profile) {
            $ids[] = $profile->getId();
        }
        $this->_checkoutSession->setLastRecurringProfileIds($ids);
        // TODO: send recurring profile emails
    }
    Mage::dispatchEvent(
            'checkout_submit_all_after', array('order' => $order, 'quote' => $this->getQuote(), 'recurring_profiles' => $profiles)
    );
    return $this;
}
}