Example #1
0
 /**
  * Prepare grid collection
  */
 protected function _prepareCollection()
 {
     $collection = new Varien_Data_Collection();
     $cache = Mage::helper('varnish')->getRedisCache()->getFrontend();
     $ids = $cache->getIdsMatchingTags(array('VARNISH-CACHETYPE-PER-PAGE'));
     foreach ($ids as $id) {
         $data = unserialize($cache->load($id));
         $item = new Varien_Object();
         $item->setId($id);
         $item->setStoreId($data->getStoreId());
         $item->setParentUrl($data->getParentUrl());
         $item->setBlockName($data->getNameInLayout());
         $item->setFingerprint($id);
         $item->setProbeUrl($data->getUrl());
         $collection->addItem($item);
     }
     $this->setCollection($collection);
     $sort = $this->getParam($this->getVarNameSort()) ? $this->getParam($this->getVarNameSort()) : $this->getDefaultSort();
     $dir = $this->getParam($this->getVarNameDir()) ? $this->getParam($this->getVarNameDir()) : $this->getDefaultDir();
     $this->_sortCollectionBy($sort, $dir);
     return parent::_prepareCollection();
 }
Example #2
0
 /**
  * Generate ESI data to be encoded in URL
  *
  * @param  Mage_Core_Block_Template $blockObject
  * @param  array $esiOptions
  * @return Varien_Object
  */
 protected function _getEsiData($blockObject, $esiOptions)
 {
     Varien_Profiler::start('turpentine::observer::esi::_getEsiData');
     $esiHelper = Mage::helper('turpentine/esi');
     $cacheTypeParam = $esiHelper->getEsiCacheTypeParam();
     $scopeParam = $esiHelper->getEsiScopeParam();
     $methodParam = $esiHelper->getEsiMethodParam();
     $esiData = new Varien_Object();
     $esiData->setStoreId(Mage::app()->getStore()->getId());
     $esiData->setDesignPackage(Mage::getDesign()->getPackageName());
     $esiData->setDesignTheme(Mage::getDesign()->getTheme('layout'));
     $esiData->setNameInLayout($blockObject->getNameInLayout());
     $esiData->setBlockType(get_class($blockObject));
     $esiData->setLayoutHandles($this->_getBlockLayoutHandles($blockObject));
     $esiData->setEsiMethod($esiOptions[$methodParam]);
     if ($esiOptions[$cacheTypeParam] == 'private' || $esiOptions[$cacheTypeParam] == 'customer_group') {
         if (is_array(@$esiOptions['flush_events'])) {
             $esiData->setFlushEvents(array_merge($esiHelper->getDefaultCacheClearEvents(), array_keys($esiOptions['flush_events'])));
         } else {
             $esiData->setFlushEvents($esiHelper->getDefaultCacheClearEvents());
         }
     }
     if ($esiOptions[$scopeParam] == 'page') {
         $esiData->setParentUrl(Mage::app()->getRequest()->getRequestString());
     }
     if (is_array($esiOptions['dummy_blocks'])) {
         $dummyBlocks = array();
         foreach ($esiOptions['dummy_blocks'] as $key => $value) {
             $dummyBlocks[] = empty($value) && !is_numeric($key) ? $key : $value;
         }
         $esiData->setDummyBlocks($dummyBlocks);
     } else {
         Mage::helper('turpentine/debug')->logWarn('Invalid dummy_blocks for block: %s', $blockObject->getNameInLayout());
     }
     $simpleRegistry = array();
     $complexRegistry = array();
     if (is_array($esiOptions['registry_keys'])) {
         foreach ($esiOptions['registry_keys'] as $key => $options) {
             $value = Mage::registry($key);
             if ($value) {
                 if (is_object($value) && $value instanceof Mage_Core_Model_Abstract) {
                     $complexRegistry[$key] = $this->_getComplexRegistryData($options, $value);
                 } else {
                     $simpleRegistry[$key] = $value;
                 }
             }
         }
     } else {
         Mage::helper('turpentine/debug')->logWarn('Invalid registry_keys for block: %s', $blockObject->getNameInLayout());
     }
     $esiData->setSimpleRegistry($simpleRegistry);
     $esiData->setComplexRegistry($complexRegistry);
     Varien_Profiler::stop('turpentine::observer::esi::_getEsiData');
     return $esiData;
 }
 public function writeTempFile($curr_page = 0, $length = 50, $filename = '')
 {
     $products = $this->getFeed()->getProductsCollection('', $curr_page, $length);
     $stock_collection = Mage::getResourceModel('cataloginventory/stock_item_collection');
     $content = file_get_contents($this->getFeed()->getDirPath() . '/feed-' . $this->getFeed()->getId() . '-xml-product-block-template.tmp');
     $fp = fopen($this->getFeed()->getTempFilePath(), 'a');
     $log_fp = fopen(sprintf('%s/productsfeed/%s', Mage::getBaseDir('media'), 'log-' . $this->getFeed()->getId() . '.txt'), 'a');
     $log_content = date("F j, Y, g:i:s a") . ', page:' . $curr_page . ', items selected:' . count($products) . "\n";
     fwrite($log_fp, $log_content);
     fclose($log_fp);
     $store = Mage::getModel('core/store')->load($this->getFeed()->getStoreId());
     $root_category = Mage::getModel('catalog/category')->load($store->getRootCategoryId());
     if (Mage::getStoreConfig('gomage_feedpro/imagesettings/enable')) {
         $image_width = intval(Mage::getStoreConfig('gomage_feedpro/imagesettings/width'));
         $image_height = intval(Mage::getStoreConfig('gomage_feedpro/imagesettings/height'));
     } else {
         $image_width = 0;
         $image_height = 0;
     }
     foreach ($products as $_product) {
         $category_path = array();
         $category = null;
         foreach ($_product->getCategoryIds() as $id) {
             $_category = $this->getFeed()->getCategoriesCollection()->getItemById($id);
             if (is_null($category) || $category && $_category && $category->getLevel() < $_category->getLevel()) {
                 $category = $_category;
             }
         }
         if ($category) {
             $category_path = array($category->getName());
             $parent_id = $category->getParentId();
             if ($category->getLevel() > $root_category->getLevel()) {
                 while ($_category = $this->getFeed()->getCategoriesCollection()->getItemById($parent_id)) {
                     if ($_category->getLevel() <= $root_category->getLevel()) {
                         break;
                     }
                     $category_path[] = $_category->getName();
                     $parent_id = $_category->getParentId();
                 }
             }
         }
         $product = new Varien_Object();
         if ($category) {
             $product->setCategory($category->getName());
             $product->setCategoryId($category->getEntityId());
             $product->setCategorySubcategory(implode(' -&gt; ', array_reverse($category_path)));
         } else {
             $product->setCategory('');
             $product->setCategorySubcategory('');
         }
         $template_attributes = $this->getAllVars($content);
         $custom_attributes = Mage::getResourceModel('gomage_feed/custom_attribute_collection');
         $custom_attributes->load();
         foreach ($template_attributes as $attribute_code) {
             $value = null;
             switch ($attribute_code) {
                 case 'parent_sku':
                     if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                         $value = $parent_product->getSku();
                     } else {
                         $value = '';
                     }
                     break;
                 case 'parent_base_image':
                     if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                         $_prod = Mage::getModel('catalog/product')->load($parent_product->getId());
                     } else {
                         $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                     }
                     try {
                         if ($image_width || $image_height) {
                             $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image')->resize($image_width, $image_height);
                         } else {
                             $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image');
                         }
                     } catch (Exception $e) {
                         $image_url = '';
                     }
                     $value = $image_url;
                     break;
                 case 'price':
                     if (in_array($_product->getTypeId(), array(Mage_Catalog_Model_Product_Type::TYPE_GROUPED, Mage_Catalog_Model_Product_Type::TYPE_BUNDLE))) {
                         $value = $store->convertPrice($_product->getMinimalPrice(), false, false);
                     } else {
                         $value = $store->convertPrice($_product->getPrice(), false, false);
                     }
                     break;
                 case 'store_price':
                 case 'final_price':
                     $value = $store->convertPrice($_product->getFinalPrice(), false, false);
                     break;
                 case 'image':
                 case 'gallery':
                 case 'media_gallery':
                     $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                     try {
                         if ($image_width || $image_height) {
                             $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image')->resize($image_width, $image_height);
                         } else {
                             $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image');
                         }
                     } catch (Exception $e) {
                         $image_url = '';
                     }
                     $product->setData($attribute_code, $image_url);
                     break;
                 case 'image_2':
                 case 'image_3':
                 case 'image_4':
                 case 'image_5':
                     if (!$_product->hasData('media_gallery_images')) {
                         $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                         $_product->setData('media_gallery_images', $_prod->getMediaGalleryImages());
                     }
                     $i = 0;
                     foreach ($_product->getMediaGalleryImages() as $_image) {
                         $i++;
                         if ('image_' . $i == $attribute_code) {
                             if ($image_width || $image_height) {
                                 $product->setData($attribute_code, (string) Mage::helper('catalog/image')->init($_product, 'image', $_image->getFile())->resize($image_width, $image_height));
                             } else {
                                 $product->setData($attribute_code, $_image['url']);
                             }
                         }
                     }
                     break;
                 case 'parent_url':
                     if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                         $product->setParentUrl($parent_product->getProductUrl(false));
                         break;
                     }
                     $product->setParentUrl($_product->getProductUrl(false));
                     break;
                 case 'url':
                     $product->setUrl($_product->getProductUrl(false));
                     break;
                 default:
                     if (strpos($attribute_code, 'custom:') === 0) {
                         $custom_code = trim(str_replace('custom:', '', $attribute_code));
                         if ($custom_attribute = $custom_attributes->getItemByColumnValue('code', $custom_code)) {
                             $options = Zend_Json::decode($custom_attribute->getData('data'));
                             foreach ($options as $option) {
                                 foreach ($option['condition'] as $condition) {
                                     switch ($condition['attribute_code']) {
                                         case 'product_type':
                                             $attr_value = $_product->getTypeId();
                                             break;
                                         case 'price':
                                             if (in_array($_product->getTypeId(), array(Mage_Catalog_Model_Product_Type::TYPE_GROUPED, Mage_Catalog_Model_Product_Type::TYPE_BUNDLE))) {
                                                 $attr_value = $store->convertPrice($_product->getMinimalPrice(), false, false);
                                             } else {
                                                 $attr_value = $store->convertPrice($_product->getPrice(), false, false);
                                             }
                                             break;
                                         case 'store_price':
                                             $attr_value = $store->convertPrice($_product->getFinalPrice(), false, false);
                                             break;
                                         case 'parent_url':
                                             if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                                                 $attr_value = $parent_product->getProductUrl(false);
                                                 break;
                                             }
                                             $attr_value = $_product->getProductUrl(false);
                                             break;
                                         case 'image':
                                         case 'gallery':
                                         case 'media_gallery':
                                             if (!$_product->hasData('product_base_image')) {
                                                 $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                                                 try {
                                                     if ($image_width || $image_height) {
                                                         $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image')->resize($image_width, $image_height);
                                                     } else {
                                                         $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image');
                                                     }
                                                 } catch (Exception $e) {
                                                     $image_url = '';
                                                 }
                                                 $_product->setData('product_base_image', $image_url);
                                                 $attr_value = $image_url;
                                             } else {
                                                 $attr_value = $_product->getData('product_base_image');
                                             }
                                             break;
                                         case 'url':
                                             $attr_value = $_product->getProductUrl(false);
                                             break;
                                         case 'qty':
                                             if ($stock_item = $stock_collection->getItemByColumnValue('product_id', $_product->getId())) {
                                                 $attr_value = ceil($stock_collection->getItemByColumnValue('product_id', $_product->getId())->getQty());
                                             } else {
                                                 $attr_value = 0;
                                             }
                                             break;
                                         case 'is_in_stock':
                                             $attr_value = ceil(Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getIsInStock());
                                             if (!$attr_value || $attr_value == '' || $attr_value == null) {
                                                 $attr_value = 0;
                                             }
                                             //								            if($stock_item = $stock_collection->getItemByColumnValue('product_id', $_product->getId())){
                                             //
                                             //            									$attr_value = $stock_collection->getItemByColumnValue('product_id', $_product->getId())->getData('is_in_stock');
                                             //
                                             //            								}else{
                                             //
                                             //            									$attr_value = 0;
                                             //
                                             //            								}
                                             break;
                                         case 'category':
                                             $attr_value = $product->getCategory();
                                             break;
                                         case 'category_id':
                                             $attr_value = $_product->getCategoryIds();
                                             break;
                                         default:
                                             $attr_value = $_product->getData($condition['attribute_code']);
                                     }
                                     $cond_value = $condition['value'];
                                     $is_multi = false;
                                     if ($product_attribute = $_product->getResource()->getAttribute($condition['attribute_code'])) {
                                         if ($product_attribute->getFrontendInput() == 'multiselect') {
                                             $is_multi = true;
                                             $attr_value = explode(',', $attr_value);
                                         }
                                     }
                                     if ($condition['attribute_code'] == 'category_id') {
                                         $is_multi = true;
                                     }
                                     switch ($condition['condition']) {
                                         case 'eq':
                                             if (!$is_multi && $attr_value == $cond_value || $is_multi && in_array($cond_value, $attr_value)) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'neq':
                                             if (!$is_multi && $attr_value != $cond_value || $is_multi && !in_array($cond_value, $attr_value)) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'gt':
                                             if ($attr_value > $cond_value) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'lt':
                                             if ($attr_value < $cond_value) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'gteq':
                                             if ($attr_value >= $cond_value) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'lteq':
                                             if ($attr_value <= $cond_value) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'like':
                                             if (strpos($attr_value, $cond_value) !== false) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                         case 'nlike':
                                             if (strpos($attr_value, $cond_value) === false) {
                                                 continue 2;
                                             } else {
                                                 continue 3;
                                             }
                                             break;
                                     }
                                 }
                                 if (in_array($option['value_type'], array('percent', 'attribute'))) {
                                     switch ($option['value_type_attribute']) {
                                         case 'price':
                                             if (in_array($_product->getTypeId(), array(Mage_Catalog_Model_Product_Type::TYPE_GROUPED, Mage_Catalog_Model_Product_Type::TYPE_BUNDLE))) {
                                                 $attribute_value = $store->convertPrice($_product->getMinimalPrice(), false, false);
                                             } else {
                                                 $attribute_value = $store->convertPrice($_product->getPrice(), false, false);
                                             }
                                             break;
                                         case 'store_price':
                                             $attribute_value = $store->convertPrice($_product->getFinalPrice(), false, false);
                                             break;
                                         case 'parent_url':
                                             if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                                                 $attribute_value = $parent_product->getProductUrl(false);
                                                 break;
                                             }
                                             $attribute_value = $_product->getProductUrl(false);
                                             break;
                                         case 'image':
                                         case 'gallery':
                                         case 'media_gallery':
                                             if (!$_product->hasData('product_base_image')) {
                                                 $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                                                 try {
                                                     if ($image_width || $image_height) {
                                                         $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image')->resize($image_width, $image_height);
                                                     } else {
                                                         $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image');
                                                     }
                                                 } catch (Exception $e) {
                                                     $image_url = '';
                                                 }
                                                 $_product->setData('product_base_image', $image_url);
                                                 $attribute_value = $image_url;
                                             } else {
                                                 $attribute_value = $_product->getData('product_base_image');
                                             }
                                             break;
                                         case 'url':
                                             $attribute_value = $_product->getProductUrl(false);
                                             break;
                                         case 'qty':
                                             $attribute_value = ceil(Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getQty());
                                             if (!$attribute_value || $attribute_value == '' || $attribute_value == null) {
                                                 $attribute_value = 0;
                                             }
                                             //	        								if($stock_item = $stock_collection->getItemByColumnValue('product_id', $_product->getId())){
                                             //
                                             //	        									$attribute_value = ceil($stock_collection->getItemByColumnValue('product_id', $_product->getId())->getQty());
                                             //
                                             //	        								}else{
                                             //
                                             //	        									$attribute_value = 0;
                                             //
                                             //	        								}
                                             break;
                                         case 'category':
                                             $attribute_value = $product->getCategory();
                                             break;
                                         default:
                                             $attribute_value = $_product->getData($option['value_type_attribute']);
                                     }
                                 }
                                 if ($option['value_type'] == 'percent') {
                                     $value = floatval($attribute_value) / 100 * floatval($option['value']);
                                 } elseif ($option['value_type'] == 'attribute') {
                                     $value = $attribute_value;
                                 } else {
                                     $value = $option['value'];
                                 }
                                 break;
                             }
                             if ($value === null && $custom_attribute->getDefaultValue()) {
                                 switch ($custom_attribute->getDefaultValue()) {
                                     case 'price':
                                         if (in_array($_product->getTypeId(), array(Mage_Catalog_Model_Product_Type::TYPE_GROUPED, Mage_Catalog_Model_Product_Type::TYPE_BUNDLE))) {
                                             $value = $store->convertPrice($_product->getMinimalPrice(), false, false);
                                         } else {
                                             $value = $store->convertPrice($_product->getPrice(), false, false);
                                         }
                                         break;
                                     case 'store_price':
                                         $value = $store->convertPrice($_product->getFinalPrice(), false, false);
                                         break;
                                     case 'parent_url':
                                         if (($parent_product = $this->getFeed()->getParentProduct($_product, $products)) && $parent_product->getEntityId() > 0) {
                                             $value = $parent_product->getProductUrl(false);
                                             break;
                                         }
                                         $value = $_product->getProductUrl(false);
                                         break;
                                     case 'image':
                                     case 'gallery':
                                     case 'media_gallery':
                                         if (!$_product->hasData('product_base_image')) {
                                             $_prod = Mage::getModel('catalog/product')->load($_product->getId());
                                             try {
                                                 if ($image_width || $image_height) {
                                                     $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image')->resize($image_width, $image_height);
                                                 } else {
                                                     $image_url = (string) Mage::helper('catalog/image')->init($_prod, 'image');
                                                 }
                                             } catch (Exception $e) {
                                                 $image_url = '';
                                             }
                                             $_product->setData('product_base_image', $image_url);
                                             $value = $image_url;
                                         } else {
                                             $value = $_product->getData('product_base_image');
                                         }
                                         break;
                                     case 'url':
                                         $value = $_product->getProductUrl(false);
                                         break;
                                     case 'qty':
                                         $value = ceil(Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getQty());
                                         if (!$value || $value == '' || $value == null) {
                                             $value = 0;
                                         }
                                         //        								if($stock_item = $stock_collection->getItemByColumnValue('product_id', $_product->getId())){
                                         //
                                         //        									$value = ceil($stock_collection->getItemByColumnValue('product_id', $_product->getId())->getQty());
                                         //
                                         //        								}else{
                                         //
                                         //        									$value = 0;
                                         //
                                         //        								}
                                         break;
                                     case 'category':
                                         $value = $product->getCategory();
                                         break;
                                     default:
                                         $value = $_product->getData($custom_attribute->getDefaultValue());
                                 }
                             }
                         }
                     } elseif ($attribute_model = $_product->getResource()->getAttribute($attribute_code)) {
                         switch ($attribute_model->getFrontendInput()) {
                             case 'select':
                             case 'multiselect':
                                 $value = implode(', ', (array) $_product->getAttributeText($attribute_code));
                                 break;
                             default:
                                 $value = $_product->getData($attribute_code);
                                 break;
                         }
                     }
                     break;
             }
             if ($value && !$product->getData($attribute_code)) {
                 $product->setData($attribute_code, $value);
             }
         }
         $product->setDescription(strip_tags(preg_replace('/<br.*?>/s', "\r\n", $_product->getDescription())));
         $product->setShortDescription(strip_tags(preg_replace('/<br.*?>/s', "\r\n", $_product->getShortDescription())));
         $product->setQty(ceil(Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getQty()));
         fwrite($fp, parent::setVars($content, $product) . "\r\n");
     }
     fclose($fp);
 }
Example #4
0
 /**
  * Called on 
  * 	core_block_abstract_to_html_before
  *
  * Checks if the "esi" variable is set on a block.
  * 	If yes, the template of the block is replaced by varnish/esi.phtml which contains the <esi:include> tag
  * 	it also adds to the response the header X-magento-doesi which will be interpreted by varnish and tell it to do the esi processing
  * 
  * @param array $eventObject
  */
 public function injectEsi($eventObject)
 {
     //No ESI injection if the module is disabled or the request is made on HTTPS
     if (!Mage::helper('varnish')->isVarnishModuleEnabled() || Mage::app()->getRequest()->isSecure()) {
         return;
     }
     $block = $eventObject->getBlock();
     if ($block instanceof Mage_Core_Block_Template) {
         $esi = $block->getEsi();
         if ($esi == true) {
             //We don't allow ESI in admin, for now. Maybe in future releases.
             if (Mage::app()->getStore()->getCode() == 'admin') {
                 throw new Mage_Adminhtml_Exception("ESI includes are forbidden in Admin");
             }
             // We replace the template of the block by the varnish/esi.phtml template
             // The HTML of our template will replace the real HTML of the block
             $block->setTemplate('varnish/esi.phtml');
             $src = new Varien_Object();
             //Blocks change depending on the store id, so we keep track of that
             $src->setStoreId(Mage::app()->getStore()->getId());
             //Blocks also change depending on the design so we keep track of the package and the theme of the current block
             $src->setDesignPackage(Mage::getDesign()->getPackageName());
             $src->setDesignTheme(Mage::getDesign()->getTheme('layout'));
             $src->setNameInLayout($block->getNameInLayout());
             /*
              * Set the cache type
              * 	per-client
              *  per-page
              * 	global
              *
              * 
              * per-client tells varnish to cache the block per-client basis.
              * per-page tells varnish to cache the content based on the url of the page.
              * global tells varnish to serve the same cached version to every client.
              * 
              * The per-client cache is based on the frontend cookie of the client.
              * 
              * We default the cache type to "global"
              */
             if (empty($esi['cache_type'])) {
                 $esi['cache_type'] = 'global';
             }
             $src->setCacheType($esi['cache_type']);
             /**
              *	If the block is cached on a per-page basis
              *	we create an entry in our ESI table to keep track the URLs where the block appear
              *	 
              */
             if ($src->getCacheType() === 'per-page') {
                 $parentUrl = Mage::app()->getRequest()->getRequestString();
                 $src->setParentUrl($parentUrl);
             }
             /**
              * Expiry (or TTL in Varnish lingo). How lon will the object be stored in Varnish?
              * TODO: make sure the expiry is in format 1d 24h 1140m 86400s
              */
             if (!empty($esi['expiry'])) {
                 $src->setExpiry($esi['expiry']);
             } else {
                 if ($src->getCacheType() === 'per-client') {
                     $src->setExpiry(Mage::getStoreConfig('varnish/cache/per_client_default_expiry'));
                 } else {
                     if ($src->getCacheType() === 'per-page') {
                         $src->setExpiry(Mage::getStoreConfig('varnish/cache/per_page_default_expiry'));
                     } else {
                         $src->setExpiry(Mage::getStoreConfig('varnish/cache/global_default_expiry'));
                     }
                 }
             }
             //We create a unique fingerprint with all our values
             foreach ($src->getData() as $value) {
                 $this->_hash($value);
             }
             // $src is the source for our <esi:include> it is composed of all the above variables
             $src->setUrl("/varnish/cache/getBlock/cachetype/{$src->getCacheType()}/expiry/{$src->getExpiry()}/fingerprint/{$this->_hash()}");
             /**
              * Registry save:
              * 	some block rely on values stored in the Mage::registry().
              * 	For example, the product page relies on Mage::registry('current_product');
              *  The problem is that the Mage::registry is not persistent between requests. This means that once the request is served,
              *  the registry looses its data.
              *  This means that when Varnish makes the ESI request, the registry is empty and if the block makes a call to Mage::registry('current_product')
              *  the function will return null.
              *  In order to strive this problem, when you setEsi on a block using the mage registry, you need to specify in the layout which keys you want to keep.
              *  These keys will be saved in the magento cache and thus be accessible when the ESI request is made
              */
             if (!empty($esi['registry_keys'])) {
                 // We create an array with the <registry_keys></registry_keys> set in the layout
                 $registryKeys = explode(',', $esi['registry_keys']);
                 // We iterate through each of the registrykey...
                 foreach ($registryKeys as $registryKey) {
                     $registryContent = Mage::registry($registryKey);
                     if ($registryContent !== null) {
                         // If the key exist we save the content in an array
                         $registry[] = array("key" => $registryKey, "content" => $registryContent);
                     }
                 }
                 $src->setRegistry($registry);
             }
             $src->setBlockType(get_class($block));
             // and we save the content in the cache with the hash as the id
             $cache = Mage::helper('varnish')->getRedisCache();
             $tags = array("VARNISH_CACHETYPE_{$src->getCacheType()}", "VARNISH_BLOCKTYPE_{$src->getBlockType()}", "VARNISH_BLOCKNAME_{$src->getNameInLayout()}");
             $cache->save(serialize($src), $this->_hash(), $tags, null);
             $block->setSrc($src);
             // Tell varnish to do esi processing on the page
             Mage::getSingleton('varnish/cache')->setDoEsi(true);
         }
     }
 }