PHP Mage_Downloadable_Model_Link类代码示例

 /**
  * Return array of links
  *
  * @return array
  */
 public function getLinkData()
 {
     $linkArr = array();
     $prod = $this->getProduct();
     $prodType = $this->getProduct()->getTypeInstance(true);
     $links = $this->getProduct()->getTypeInstance(true)->getLinks($this->getProduct());
     $priceWebsiteScope = $this->getIsPriceWebsiteScope();
     foreach ($links as $item) {
         $tmpLinkItem = array('link_id' => $item->getId(), 'title' => $item->getTitle(), 'price' => $this->getCanReadPrice() ? $this->getPriceValue($item->getPrice()) : '', 'number_of_downloads' => $item->getNumberOfDownloads(), 'number_of_purchases' => $item->getNumberOfPurchases(), 'is_shareable' => $item->getIsShareable(), 'link_url' => $item->getLinkUrl(), 'link_type' => $item->getLinkType(), 'sample_file' => $item->getSampleFile(), 'sample_url' => $item->getSampleUrl(), 'sample_type' => $item->getSampleType(), 'sort_order' => $item->getSortOrder());
         $file = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBasePath(), $item->getLinkFile());
         if ($item->getLinkFile() && !is_file($file)) {
             Mage::helper('core/file_storage_database')->saveFileToFilesystem($file);
         }
         if ($item->getLinkFile() && is_file($file)) {
             $name = '<a href="' . $this->getUrl('*/downloadable_product_edit/link', array('id' => $item->getId(), '_secure' => true)) . '">' . Mage::helper('downloadable/file')->getFileFromPathFile($item->getLinkFile()) . '</a>';
             $tmpLinkItem['file_save'] = array(array('file' => $item->getLinkFile(), 'name' => $name, 'size' => filesize($file), 'status' => 'old'));
         }
         $sampleFile = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBaseSamplePath(), $item->getSampleFile());
         if ($item->getSampleFile() && is_file($sampleFile)) {
             $tmpLinkItem['sample_file_save'] = array(array('file' => $item->getSampleFile(), 'name' => Mage::helper('downloadable/file')->getFileFromPathFile($item->getSampleFile()), 'size' => filesize($sampleFile), 'status' => 'old'));
         }
         if ($item->getNumberOfDownloads() == '0') {
             $tmpLinkItem['is_unlimited'] = ' checked="checked"';
         }
         if ($this->getProduct()->getStoreId() && $item->getStoreTitle()) {
             $tmpLinkItem['store_title'] = $item->getStoreTitle();
         }
         if ($this->getProduct()->getStoreId() && $priceWebsiteScope) {
             $tmpLinkItem['website_price'] = $item->getWebsitePrice();
         }
         $linkArr[] = new Varien_Object($tmpLinkItem);
     }
     return $linkArr;
 }

 /**
  * Upload file controller action
  */
 public function uploadAction()
 {
     $type = $this->getRequest()->getParam('type');
     $tmpPath = '';
     if ($type == 'samples') {
         $tmpPath = Mage_Downloadable_Model_Sample::getBaseTmpPath();
     } elseif ($type == 'links') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseTmpPath();
     } elseif ($type == 'link_samples') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseSampleTmpPath();
     }
     $result = array();
     try {
         $uploader = new Mage_Core_Model_File_Uploader($type);
         $uploader->setAllowRenameFiles(true);
         $uploader->setFilesDispersion(true);
         $result = $uploader->save($tmpPath);
         if (isset($result['file'])) {
             $fullPath = rtrim($tmpPath, DS) . DS . ltrim($result['file'], DS);
             Mage::helper('Mage_Core_Helper_File_Storage_Database')->saveFile($fullPath);
         }
         $result['cookie'] = array('name' => session_name(), 'value' => $this->_getSession()->getSessionId(), 'lifetime' => $this->_getSession()->getCookieLifetime(), 'path' => $this->_getSession()->getCookiePath(), 'domain' => $this->_getSession()->getCookieDomain());
     } catch (Exception $e) {
         $result = array('error' => $e->getMessage(), 'errorcode' => $e->getCode());
     }
     $this->getResponse()->setBody(Mage::helper('Mage_Core_Helper_Data')->jsonEncode($result));
 }

 public function massImportAction()
 {
     $fotothekeIds = $this->getRequest()->getParam('fototheke');
     if (!is_array($fotothekeIds)) {
         Mage::getSingleton('adminhtml/session')->addError(Mage::helper('adminhtml')->__('Please select item(s)'));
     } else {
         try {
             $filePath = Mage_Downloadable_Model_Link::getBasePath();
             $i = 0;
             foreach ($fotothekeIds as $fotothekeId) {
                 $model = Mage::getModel('soapsync/ibramssync');
                 $added = $model->getCollection()->addDownloads($fotothekeId, false);
                 if ($added) {
                     $productmodel = Mage::getModel('catalog/product');
                     $product = $productmodel->load($fotothekeId);
                     $product->setStockData(array('use_config_manage_stock' => 1, 'manage_stock' => 1, 'qty' => 1, 'is_in_stock' => 1, 'min_sale_qty' => 0, 'max_sale_qty' => 1));
                     $product->setLinksPurchasedSeparately(1);
                     $product->setHasOptions(1);
                     $product->setRequiredOptions(1);
                     $product->save();
                     $i++;
                 }
             }
             Mage::getSingleton('adminhtml/session')->addSuccess(Mage::helper('adminhtml')->__('Total of %d record(s) were successfully copied to filesystem and links saved to Database', $i));
         } catch (Exception $e) {
             Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
         }
     }
     $this->_redirect('*/*/');
 }

 /**
  * Upload file controller action
  */
 public function uploadAction()
 {
     $type = $this->getRequest()->getParam('type');
     $tmpPath = '';
     if ($type == 'samples') {
         $tmpPath = Mage_Downloadable_Model_Sample::getBaseTmpPath();
     } elseif ($type == 'links') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseTmpPath();
     } elseif ($type == 'link_samples') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseSampleTmpPath();
     }
     $result = array();
     try {
         $uploader = new Mage_Core_Model_File_Uploader($type);
         $uploader->setAllowRenameFiles(true);
         $uploader->setFilesDispersion(true);
         $result = $uploader->save($tmpPath);
         /**
          * Workaround for prototype 1.7 methods "isJSON", "evalJSON" on Windows OS
          */
         $result['tmp_name'] = str_replace(DS, "/", $result['tmp_name']);
         $result['path'] = str_replace(DS, "/", $result['path']);
         if (isset($result['file'])) {
             $fullPath = rtrim($tmpPath, DS) . DS . ltrim($result['file'], DS);
             Mage::helper('core/file_storage_database')->saveFile($fullPath);
         }
         $result['cookie'] = array('name' => session_name(), 'value' => $this->_getSession()->getSessionId(), 'lifetime' => $this->_getSession()->getCookieLifetime(), 'path' => $this->_getSession()->getCookiePath(), 'domain' => $this->_getSession()->getCookieDomain());
     } catch (Exception $e) {
         $result = array('error' => $e->getMessage(), 'errorcode' => $e->getCode());
     }
     $this->getResponse()->setBody(Mage::helper('core')->jsonEncode($result));
 }

 /**
  * Enter description here...
  *
  * @param Mage_Downloadable_Model_Link $link
  * @return string
  */
 public function getFormattedLinkPrice($link)
 {
     $price = $link->getPrice();
     if (0 == $price) {
         return '';
     }
     $_priceInclTax = Mage::helper('tax')->getPrice($link->getProduct(), $price, true);
     $_priceExclTax = Mage::helper('tax')->getPrice($link->getProduct(), $price);
     $priceStr = '<span class="price-notice">+';
     if (Mage::helper('tax')->displayPriceIncludingTax()) {
         $priceStr .= $this->helper('core')->currency($_priceInclTax, true, true);
     } elseif (Mage::helper('tax')->displayPriceExcludingTax()) {
         $priceStr .= $this->helper('core')->currency($_priceExclTax, true, true);
     } elseif (Mage::helper('tax')->displayBothPrices()) {
         $priceStr .= $this->helper('core')->currency($_priceExclTax, true, true);
         if ($_priceInclTax != $_priceExclTax) {
             $priceStr .= ' (+' . $this->helper('core')->currency($_priceInclTax, true, true) . ' ' . $this->__('Incl. Tax') . ')';
         }
     }
     $priceStr .= '</span>';
     return $priceStr;
 }

 /**
  * Download link action
  *
  */
 public function linkAction()
 {
     $linkId = $this->getRequest()->getParam('id', 0);
     $link = Mage::getModel('downloadable/link')->load($linkId);
     if ($link->getId()) {
         $resource = '';
         $resourceType = '';
         if ($link->getLinkType() == Mage_Downloadable_Helper_Download::LINK_TYPE_URL) {
             $resource = $link->getLinkUrl();
             $resourceType = Mage_Downloadable_Helper_Download::LINK_TYPE_URL;
         } elseif ($link->getLinkType() == Mage_Downloadable_Helper_Download::LINK_TYPE_FILE) {
             $resource = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBasePath(), $link->getLinkFile());
             $resourceType = Mage_Downloadable_Helper_Download::LINK_TYPE_FILE;
         }
         try {
             $this->_processDownload($resource, $resourceType);
         } catch (Mage_Core_Exception $e) {
             Mage::getSingleton('udropship/session')->addError(Mage::helper('downloadable')->__('An error occurred while getting the requested content.'));
         }
     }
     exit(0);
 }

 /**
  * Upload file controller action
  */
 public function uploadAction()
 {
     $type = $this->getRequest()->getParam('type');
     $tmpPath = '';
     if ($type == 'samples') {
         $tmpPath = Mage_Downloadable_Model_Sample::getBaseTmpPath();
     } elseif ($type == 'links') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseTmpPath();
     } elseif ($type == 'link_samples') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseSampleTmpPath();
     }
     $result = array();
     try {
         $uploader = new Varien_File_Uploader($type);
         $uploader->setAllowRenameFiles(true);
         $uploader->setFilesDispersion(true);
         $result = $uploader->save($tmpPath);
         $result['cookie'] = array('name' => session_name(), 'value' => $this->_getSession()->getSessionId(), 'lifetime' => $this->_getSession()->getCookieLifetime(), 'path' => $this->_getSession()->getCookiePath(), 'domain' => $this->_getSession()->getCookieDomain());
     } catch (Exception $e) {
         $result = array('error' => $e->getMessage(), 'errorcode' => $e->getCode());
     }
     $this->getResponse()->setBody(Zend_Json::encode($result));
 }

 /**
  * Save Product downloadable information (links and samples)
  *
  * @param Mage_Catalog_Model_Product $product
  * @return Mage_Downloadable_Model_Product_Type
  */
 public function save($product = null)
 {
     parent::save($product);
     $product = $this->getProduct($product);
     /* @var Mage_Catalog_Model_Product $product */
     if ($data = $product->getDownloadableData()) {
         if (isset($data['sample'])) {
             $_deleteItems = array();
             foreach ($data['sample'] as $sampleItem) {
                 if ($sampleItem['is_delete'] == '1') {
                     if ($sampleItem['sample_id']) {
                         $_deleteItems[] = $sampleItem['sample_id'];
                     }
                 } else {
                     unset($sampleItem['is_delete']);
                     if (!$sampleItem['sample_id']) {
                         unset($sampleItem['sample_id']);
                     }
                     $sampleModel = Mage::getModel('downloadable/sample');
                     $files = array();
                     if (isset($sampleItem['file'])) {
                         $files = Mage::helper('core')->jsonDecode($sampleItem['file']);
                         unset($sampleItem['file']);
                     }
                     $sampleModel->setData($sampleItem)->setSampleType($sampleItem['type'])->setProductId($product->getId())->setStoreId($product->getStoreId());
                     if ($sampleModel->getSampleType() == Mage_Downloadable_Helper_Download::LINK_TYPE_FILE) {
                         $sampleFileName = Mage::helper('downloadable/file')->moveFileFromTmp(Mage_Downloadable_Model_Sample::getBaseTmpPath(), Mage_Downloadable_Model_Sample::getBasePath(), $files);
                         $sampleModel->setSampleFile($sampleFileName);
                     }
                     $sampleModel->save();
                 }
             }
             if ($_deleteItems) {
                 Mage::getResourceModel('downloadable/sample')->deleteItems($_deleteItems);
             }
         }
         if (isset($data['link'])) {
             $_deleteItems = array();
             foreach ($data['link'] as $linkItem) {
                 if ($linkItem['is_delete'] == '1') {
                     if ($linkItem['link_id']) {
                         $_deleteItems[] = $linkItem['link_id'];
                     }
                 } else {
                     unset($linkItem['is_delete']);
                     if (!$linkItem['link_id']) {
                         unset($linkItem['link_id']);
                     }
                     $files = array();
                     if (isset($linkItem['file'])) {
                         $files = Mage::helper('core')->jsonDecode($linkItem['file']);
                         unset($linkItem['file']);
                     }
                     $sample = array();
                     if (isset($linkItem['sample'])) {
                         $sample = $linkItem['sample'];
                         unset($linkItem['sample']);
                     }
                     $linkModel = Mage::getModel('downloadable/link')->setData($linkItem)->setLinkType($linkItem['type'])->setProductId($product->getId())->setStoreId($product->getStoreId())->setWebsiteId($product->getStore()->getWebsiteId())->setProductWebsiteIds($product->getWebsiteIds());
                     if (null === $linkModel->getPrice()) {
                         $linkModel->setPrice(0);
                     }
                     if ($linkModel->getIsUnlimited()) {
                         $linkModel->setNumberOfDownloads(0);
                     }
                     $sampleFile = array();
                     if ($sample && isset($sample['type'])) {
                         if ($sample['type'] == 'url' && $sample['url'] != '') {
                             $linkModel->setSampleUrl($sample['url']);
                         }
                         $linkModel->setSampleType($sample['type']);
                         $sampleFile = Mage::helper('core')->jsonDecode($sample['file']);
                     }
                     if ($linkModel->getLinkType() == Mage_Downloadable_Helper_Download::LINK_TYPE_FILE) {
                         $linkFileName = Mage::helper('downloadable/file')->moveFileFromTmp(Mage_Downloadable_Model_Link::getBaseTmpPath(), Mage_Downloadable_Model_Link::getBasePath(), $files);
                         $linkModel->setLinkFile($linkFileName);
                     }
                     if ($linkModel->getSampleType() == Mage_Downloadable_Helper_Download::LINK_TYPE_FILE) {
                         $linkSampleFileName = Mage::helper('downloadable/file')->moveFileFromTmp(Mage_Downloadable_Model_Link::getBaseSampleTmpPath(), Mage_Downloadable_Model_Link::getBaseSamplePath(), $sampleFile);
                         $linkModel->setSampleFile($linkSampleFileName);
                     }
                     $linkModel->save();
                 }
             }
             if ($_deleteItems) {
                 Mage::getResourceModel('downloadable/link')->deleteItems($_deleteItems);
             }
             if ($this->getProduct($product)->getLinksPurchasedSeparately()) {
                 $this->getProduct($product)->setIsCustomOptionChanged();
             }
         }
     }
     return $this;
 }

 /**
  * Get temporary path for downloadable product
  *
  * @param array $key            
  * @return array $tmpPathResult
  */
 public function getTmpPathForDownloadable($key)
 {
     $type = $tmpPath = '';
     $tmpPathResult = array();
     if (substr($key, 0, 5) == 'sampl') {
         $tmpPath = Mage_Downloadable_Model_Sample::getBaseTmpPath();
         $type = 'samples';
     }
     if (substr($key, 0, 5) == 'links') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseTmpPath();
         $type = 'links';
     }
     if (substr($key, 0, 5) == 'l_sam') {
         $tmpPath = Mage_Downloadable_Model_Link::getBaseSampleTmpPath();
         $type = 'link_samples';
     }
     $tmpPathResult['type'] = $type;
     $tmpPathResult['tmp_path'] = $tmpPath;
     return $tmpPathResult;
 }

 /**
  * Save title and price of link item
  *
  * @param Mage_Downloadable_Model_Link $linkObject
  * @return Mage_Downloadable_Model_Mysql4_link
  */
 public function saveItemTitleAndPrice($linkObject)
 {
     $stmt = $this->_getReadAdapter()->select()->from($this->getTable('downloadable/link_title'))->where('link_id = ?', $linkObject->getId())->where('store_id = ?', $linkObject->getStoreId());
     if ($this->_getReadAdapter()->fetchOne($stmt)) {
         $where = $this->_getReadAdapter()->quoteInto('link_id = ?', $linkObject->getId()) . ' AND ' . $this->_getReadAdapter()->quoteInto('store_id = ?', $linkObject->getStoreId());
         if ($linkObject->getUseDefaultTitle()) {
             $this->_getWriteAdapter()->delete($this->getTable('downloadable/link_title'), $where);
         } else {
             $this->_getWriteAdapter()->update($this->getTable('downloadable/link_title'), array('title' => $linkObject->getTitle()), $where);
         }
     } else {
         if (!$linkObject->getUseDefaultTitle()) {
             $this->_getWriteAdapter()->insert($this->getTable('downloadable/link_title'), array('link_id' => $linkObject->getId(), 'store_id' => $linkObject->getStoreId(), 'title' => $linkObject->getTitle()));
         }
     }
     $stmt = null;
     $stmt = $this->_getReadAdapter()->select()->from($this->getTable('downloadable/link_price'))->where('link_id = ?', $linkObject->getId())->where('website_id = ?', $linkObject->getWebsiteId());
     if ($this->_getReadAdapter()->fetchOne($stmt)) {
         $where = $this->_getReadAdapter()->quoteInto('link_id = ?', $linkObject->getId()) . ' AND ' . $this->_getReadAdapter()->quoteInto('website_id = ?', $linkObject->getWebsiteId());
         if ($linkObject->getUseDefaultPrice()) {
             $this->_getReadAdapter()->delete($this->getTable('downloadable/link_price'), $where);
         } else {
             $this->_getWriteAdapter()->update($this->getTable('downloadable/link_price'), array('price' => $linkObject->getPrice()), $where);
         }
     } else {
         if (!$linkObject->getUseDefaultPrice()) {
             $this->_getWriteAdapter()->insert($this->getTable('downloadable/link_price'), array('link_id' => $linkObject->getId(), 'website_id' => $linkObject->getWebsiteId(), 'price' => $linkObject->getPrice()));
         }
     }
     return $this;
 }

 /**
  * Delete data by item(s)
  *
  * @param Mage_Downloadable_Model_Link|array|int $items
  * @return Mage_Downloadable_Model_Resource_Link
  */
 public function deleteItems($items)
 {
     $writeAdapter = $this->_getWriteAdapter();
     $where = array();
     if ($items instanceof Mage_Downloadable_Model_Link) {
         $where = array('link_id = ?' => $items->getId());
     } elseif (is_array($items)) {
         $where = array('link_id in (?)' => $items);
     } else {
         $where = array('sample_id = ?' => $items);
     }
     if ($where) {
         $writeAdapter->delete($this->getMainTable(), $where);
         $writeAdapter->delete($this->getTable('downloadable/link_title'), $where);
         $writeAdapter->delete($this->getTable('downloadable/link_price'), $where);
     }
     return $this;
 }

 /**
  * Retrieve downloadable product links
  *
  * @param int|string $productId
  * @param string|int $store
  * @param string $identifierType ('sku'|'id')
  * @return array
  */
 public function items($productId, $store = null, $identifierType = null)
 {
     $product = $this->_getProduct($productId, $store, $identifierType);
     $linkArr = array();
     $links = $product->getTypeInstance(true)->getLinks($product);
     foreach ($links as $item) {
         $tmpLinkItem = array('link_id' => $item->getId(), 'title' => $item->getTitle(), 'price' => $item->getPrice(), 'number_of_downloads' => $item->getNumberOfDownloads(), 'is_shareable' => $item->getIsShareable(), 'link_url' => $item->getLinkUrl(), 'link_type' => $item->getLinkType(), 'sample_file' => $item->getSampleFile(), 'sample_url' => $item->getSampleUrl(), 'sample_type' => $item->getSampleType(), 'sort_order' => $item->getSortOrder());
         $file = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBasePath(), $item->getLinkFile());
         if ($item->getLinkFile() && !is_file($file)) {
             Mage::helper('core/file_storage_database')->saveFileToFilesystem($file);
         }
         if ($item->getLinkFile() && is_file($file)) {
             $name = Mage::helper('downloadable/file')->getFileFromPathFile($item->getLinkFile());
             $tmpLinkItem['file_save'] = array(array('file' => $item->getLinkFile(), 'name' => $name, 'size' => filesize($file), 'status' => 'old'));
         }
         $sampleFile = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBaseSamplePath(), $item->getSampleFile());
         if ($item->getSampleFile() && is_file($sampleFile)) {
             $tmpLinkItem['sample_file_save'] = array(array('file' => $item->getSampleFile(), 'name' => Mage::helper('downloadable/file')->getFileFromPathFile($item->getSampleFile()), 'size' => filesize($sampleFile), 'status' => 'old'));
         }
         if ($item->getNumberOfDownloads() == '0') {
             $tmpLinkItem['is_unlimited'] = 1;
         }
         if ($product->getStoreId() && $item->getStoreTitle()) {
             $tmpLinkItem['store_title'] = $item->getStoreTitle();
         }
         if ($product->getStoreId() && Mage::helper('downloadable')->getIsPriceWebsiteScope()) {
             $tmpLinkItem['website_price'] = $item->getWebsitePrice();
         }
         $linkArr[] = $tmpLinkItem;
     }
     unset($item);
     unset($tmpLinkItem);
     unset($links);
     $samples = $product->getTypeInstance(true)->getSamples($product)->getData();
     return array('links' => $linkArr, 'samples' => $samples);
 }

 /**
  * Download link action
  */
 public function linkAction()
 {
     $id = $this->getRequest()->getParam('id', 0);
     $linkPurchasedItem = Mage::getModel('downloadable/link_purchased_item')->load($id, 'link_hash');
     if (!$linkPurchasedItem->getId()) {
         $this->_getCustomerSession()->addNotice(Mage::helper('downloadable')->__("Requested link doesn't exist."));
         return $this->_redirect('*/customer/products');
     }
     if (!Mage::helper('downloadable')->getIsShareable($linkPurchasedItem)) {
         $customerId = $this->_getCustomerSession()->getCustomerId();
         if (!$customerId) {
             $product = Mage::getModel('catalog/product')->load($linkPurchasedItem->getProductId());
             if ($product->getId()) {
                 $notice = Mage::helper('downloadable')->__('Please log in to download your product or purchase <a href="%s">%s</a>.', $product->getProductUrl(), $product->getName());
             } else {
                 $notice = Mage::helper('downloadable')->__('Please log in to download your product.');
             }
             $this->_getCustomerSession()->addNotice($notice);
             $this->_getCustomerSession()->authenticate($this);
             $this->_getCustomerSession()->setBeforeAuthUrl(Mage::getUrl('downloadable/customer/products/'), array('_secure' => true));
             return;
         }
         $linkPurchased = Mage::getModel('downloadable/link_purchased')->load($linkPurchasedItem->getPurchasedId());
         if ($linkPurchased->getCustomerId() != $customerId) {
             $this->_getCustomerSession()->addNotice(Mage::helper('downloadable')->__("Requested link doesn't exist."));
             return $this->_redirect('*/customer/products');
         }
     }
     $downloadsLeft = $linkPurchasedItem->getNumberOfDownloadsBought() - $linkPurchasedItem->getNumberOfDownloadsUsed();
     if ($linkPurchasedItem->getStatus() == Mage_Downloadable_Model_Link_Purchased_Item::LINK_STATUS_AVAILABLE && ($downloadsLeft || $linkPurchasedItem->getNumberOfDownloadsBought() == 0)) {
         $resource = '';
         $resourceType = '';
         if ($linkPurchasedItem->getLinkType() == Mage_Downloadable_Helper_Download::LINK_TYPE_URL) {
             $resource = $linkPurchasedItem->getLinkUrl();
             $resourceType = Mage_Downloadable_Helper_Download::LINK_TYPE_URL;
         } elseif ($linkPurchasedItem->getLinkType() == Mage_Downloadable_Helper_Download::LINK_TYPE_FILE) {
             $resource = Mage::helper('downloadable/file')->getFilePath(Mage_Downloadable_Model_Link::getBasePath(), $linkPurchasedItem->getLinkFile());
             $resourceType = Mage_Downloadable_Helper_Download::LINK_TYPE_FILE;
         }
         try {
             $this->_processDownload($resource, $resourceType);
             $linkPurchasedItem->setNumberOfDownloadsUsed($linkPurchasedItem->getNumberOfDownloadsUsed() + 1);
             if ($linkPurchasedItem->getNumberOfDownloadsBought() != 0 && !($linkPurchasedItem->getNumberOfDownloadsBought() - $linkPurchasedItem->getNumberOfDownloadsUsed())) {
                 $linkPurchasedItem->setStatus(Mage_Downloadable_Model_Link_Purchased_Item::LINK_STATUS_EXPIRED);
             }
             $linkPurchasedItem->save();
             exit(0);
         } catch (Exception $e) {
             $this->_getCustomerSession()->addError(Mage::helper('downloadable')->__('Sorry, there was an error getting requested content. Please contact store owner.'));
         }
     } elseif ($linkPurchasedItem->getStatus() == Mage_Downloadable_Model_Link_Purchased_Item::LINK_STATUS_EXPIRED) {
         $this->_getCustomerSession()->addNotice(Mage::helper('downloadable')->__('Link has expired.'));
     } elseif ($linkPurchasedItem->getStatus() == Mage_Downloadable_Model_Link_Purchased_Item::LINK_STATUS_PENDING) {
         $this->_getCustomerSession()->addNotice(Mage::helper('downloadable')->__('Link is not available.'));
     } else {
         $this->_getCustomerSession()->addError(Mage::helper('downloadable')->__('Sorry, there was an error getting requested content. Please contact store owner.'));
     }
     return $this->_redirect('*/customer/products');
 }

 /**
  * Delete data by item(s)
  *
  * @param Mage_Downloadable_Model_Link|array|int $items
  * @return Mage_Downloadable_Model_Mysql4_Link
  */
 public function deleteItems($items)
 {
     $where = '';
     if ($items instanceof Mage_Downloadable_Model_Link) {
         $where = $this->_getReadAdapter()->quoteInto('link_id = ?', $items->getId());
     } elseif (is_array($items)) {
         $where = $this->_getReadAdapter()->quoteInto('link_id in (?)', $items);
     } else {
         $where = $this->_getReadAdapter()->quoteInto('sample_id = ?', $items);
     }
     if ($where) {
         $this->_getWriteAdapter()->delete($this->getTable('downloadable/link'), $where);
         $this->_getWriteAdapter()->delete($this->getTable('downloadable/link_title'), $where);
         $this->_getWriteAdapter()->delete($this->getTable('downloadable/link_price'), $where);
     }
     return $this;
 }

 /**
  * Returns whether link checked by default or not
  *
  * @param Mage_Downloadable_Model_Link $link
  * @return bool
  */
 public function getIsLinkChecked($link)
 {
     $configValue = $this->getProduct()->getPreconfiguredValues()->getLinks();
     if (!$configValue || !is_array($configValue)) {
         return false;
     }
     return $configValue && in_array($link->getId(), $configValue);
 }