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bastianccm/Observer.php

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app/code/local/Mage/Catalog/Model/Observer.php, extended version including caching for topmenu, can save up to 200ms page loading - will be available as a module sooner or later ;-) Instead of always parsing the whole category layer to identify the active category the whole category structure is cached and only the data tree is parsed and the ne…
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Observer.php
<?php
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @category Mage
* @package Mage_Catalog
* @copyright Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
*/
/**
* Catalog Observer
*
* @category Mage
* @package Mage_Catalog
* @author Magento Core Team <core@magentocommerce.com>
*/
class Mage_Catalog_Model_Observer
{
/**
* Process catalog ata related with store data changes
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function storeEdit(Varien_Event_Observer $observer)
{
$store = $observer->getEvent()->getStore();
/* @var $store Mage_Core_Model_Store */
if ($store->dataHasChangedFor('group_id')) {
Mage::app()->reinitStores();
/**
* @see Mage_Catalog_Model_Indexer_Url
*/
//Mage::getModel('catalog/url')->refreshRewrites($store->getId());
/**
* @see Mage_Catalog_Model_Category_Indexer_Product
*/
/*Mage::getResourceModel('catalog/category')->refreshProductIndex(
array(),
array(),
array($store->getId())
);*/
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
Mage::getResourceModel('catalog/category_flat')->synchronize(null, array($store->getId()));
}
Mage::getResourceSingleton('catalog/product')->refreshEnabledIndex($store);
}
return $this;
}
/**
* Process catalog data related with new store
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function storeAdd(Varien_Event_Observer $observer)
{
$store = $observer->getEvent()->getStore();
/* @var $store Mage_Core_Model_Store */
Mage::app()->reinitStores();
Mage::getConfig()->reinit();
/**
* @see Mage_Catalog_Model_Indexer_Url
*/
//Mage::getModel('catalog/url')->refreshRewrites($store->getId());
/**
* @see Mage_Catalog_Model_Category_Indexer_Product
*/
/*Mage::getResourceSingleton('catalog/category')->refreshProductIndex(
array(),
array(),
array($store->getId())
);*/
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
Mage::getResourceModel('catalog/category_flat')
->synchronize(null, array($store->getId()));
}
Mage::getResourceModel('catalog/product')->refreshEnabledIndex($store);
return $this;
}
/**
* Process catalog data related with store group root category
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function storeGroupSave(Varien_Event_Observer $observer)
{
$group = $observer->getEvent()->getGroup();
/* @var $group Mage_Core_Model_Store_Group */
if ($group->dataHasChangedFor('root_category_id') || $group->dataHasChangedFor('website_id')) {
Mage::app()->reinitStores();
foreach ($group->getStores() as $store) {
/**
* @see Mage_Catalog_Model_Indexer_Url
*/
//Mage::getModel('catalog/url')->refreshRewrites($store->getId());
/**
* @see Mage_Catalog_Model_Category_Indexer_Product
*/
/*Mage::getResourceSingleton('catalog/category')->refreshProductIndex(
array(),
array(),
array($store->getId())
);*/
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
Mage::getResourceModel('catalog/category_flat')
->synchronize(null, array($store->getId()));
}
}
}
return $this;
}
/**
* Process delete of store
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function storeDelete(Varien_Event_Observer $observer)
{
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
$store = $observer->getEvent()->getStore();
Mage::getResourceModel('catalog/category_flat')->deleteStores($store->getId());
}
return $this;
}
/**
* Process catalog data after category move
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function categoryMove(Varien_Event_Observer $observer)
{
$categoryId = $observer->getEvent()->getCategoryId();
$prevParentId = $observer->getEvent()->getPrevParentId();
$parentId = $observer->getEvent()->getParentId();
/**
* @see Mage_Catalog_Model_Indexer_Url
*/
//Mage::getModel('catalog/url')->refreshCategoryRewrite($categoryId);
/**
* @see Mage_Catalog_Model_Category_Indexer_Product
*/
/*Mage::getResourceSingleton('catalog/category')->refreshProductIndex(array(
$categoryId, $prevParentId, $parentId
));*/
//Mage::getModel('catalog/category')->load($prevParentId)->save();
//Mage::getModel('catalog/category')->load($parentId)->save();
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
Mage::getResourceModel('catalog/category_flat')
->move($categoryId, $prevParentId, $parentId);
}
return $this;
}
/**
* Process catalog data after products import
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function catalogProductImportAfter(Varien_Event_Observer $observer)
{
Mage::getModel('catalog/url')->refreshRewrites();
Mage::getResourceSingleton('catalog/category')->refreshProductIndex();
return $this;
}
/**
* Catalog Product Compare Items Clean
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function catalogProductCompareClean(Varien_Event_Observer $observer)
{
Mage::getModel('catalog/product_compare_item')->clean();
return $this;
}
/**
* After save event of category
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function categorySaveAfter(Varien_Event_Observer $observer)
{
if (Mage::helper('catalog/category_flat')->isEnabled(true)) {
$category = $observer->getEvent()->getCategory();
Mage::getResourceModel('catalog/category_flat')->synchronize($category);
}
return $this;
}
/**
* Checking whether the using static urls in WYSIWYG allowed event
*
* @param Varien_Event_Observer $observer
* @return Mage_Catalog_Model_Observer
*/
public function catalogCheckIsUsingStaticUrlsAllowed(Varien_Event_Observer $observer)
{
$storeId = $observer->getEvent()->getData('store_id');
$result = $observer->getEvent()->getData('result');
$result->isAllowed = Mage::helper('catalog')->setStoreId($storeId)->isUsingStaticUrlsAllowed();
}
/**
* Cron job method for product prices to reindex
*
* @param Mage_Cron_Model_Schedule $schedule
*/
public function reindexProductPrices(Mage_Cron_Model_Schedule $schedule)
{
$indexProcess = Mage::getSingleton('index/indexer')->getProcessByCode('catalog_product_price');
if ($indexProcess) {
$indexProcess->reindexAll();
}
}
/**
* Adds catalog categories to top menu
*
* @param Varien_Event_Observer $observer
*/
public function addCatalogToTopmenuItems(Varien_Event_Observer $observer)
{
$cache = Mage::app()->getCache();
$cacheKey = Mage::app()->getStore()->getId() . '::' . 'topmenu-block';
$menu = unserialize($cache->load($cacheKey));
if ($menu) {
$m = $observer->getMenu();
foreach ($menu as $child) {
$m->addChild($child);
}
foreach ($m->getAllChildNodes() as $n) {
$c = ltrim($n->getId(), 'category-node-');
if ($this->_isActiveMenuCategory($c)) {
$n->setIsActive(1);
}
}
} else {
$this->_addCategoriesToMenu(Mage::helper('catalog/category')->getStoreCategories(), $observer->getMenu());
$cache->save(serialize($observer->getMenu()->getChildren()), $cacheKey, array(Mage_Core_Block_Abstract::CACHE_GROUP), 1800);
}
}
/**
* Recursively adds categories to top menu
*
* @param Varien_Data_Tree_Node_Collection|array $categories
* @param Varien_Data_Tree_Node $parentCategoryNode
*/
protected function _addCategoriesToMenu($categories, $parentCategoryNode)
{
foreach ($categories as $category) {
if (!$category->getIsActive()) {
continue;
}
$nodeId = 'category-node-' . $category->getId();
$tree = $parentCategoryNode->getTree();
$categoryData = array(
'name' => $category->getName(),
'id' => $nodeId,
'url' => Mage::helper('catalog/category')->getCategoryUrl($category),
'is_active' => 0,
);
$categoryNode = new Varien_Data_Tree_Node($categoryData, 'id', $tree, $parentCategoryNode);
$parentCategoryNode->addChild($categoryNode);
if (Mage::helper('catalog/category_flat')->isEnabled()) {
$subcategories = (array)$category->getChildrenNodes();
} else {
$subcategories = $category->getChildren();
}
$this->_addCategoriesToMenu($subcategories, $categoryNode);
}
}
/**
* Checks if the currecty category belongs to given category to mark the active category path
*
* @param Varien_Data_Tree_Node|int $category
* @return bool
*/
protected function _isActiveMenuCategory($category)
{
$catalogLayer = Mage::getSingleton('catalog/layer');
if (!$catalogLayer) {
return false;
}
$currentCategory = $catalogLayer->getData('current_category');
if (!$currentCategory) {
$currentCategory = Mage::registry('current_category');
if (!$currentCategory) {
return false;
}
}
$categoryPathIds = explode(',', $currentCategory->getPathInStore());
if ($category instanceof Varien_Data_Tree_Node) {
$category = $category->getId();
}
return in_array($category, $categoryPathIds);
}
}
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