<?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) 2011 Magento Inc. (http://www.magentocommerce.com)


 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)


 */








/**


 * Catalog Product Flat observer


 *


 * @category   Mage


 * @package    Mage_Catalog


 * @author     Magento Core Team <core@magentocommerce.com>


 */


class Mage_Catalog_Model_Product_Flat_Observer


{


    /**


     * Retrieve Catalog Product Flat Helper


     *


     * @return Mage_Catalog_Helper_Product_Flat


     */


    protected function _getHelper()


    {


        return Mage::helper('catalog/product_flat');


    }





    /**


     * Retrieve Catalog Product Flat Indexer model


     *


     * @return Mage_Catalog_Model_Product_Flat_Indexer


     */


    protected function _getIndexer() {


        return Mage::getSingleton('catalog/product_flat_indexer');


    }





    /**


     * Catalog Entity attribute after save process


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogEntityAttributeSaveAfter(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $attribute = $observer->getEvent()->getAttribute();


        /* @var $attribute Mage_Catalog_Model_Entity_Attribute */





        $enableBefore   = ($attribute->getOrigData('backend_type') == 'static')


            || ($this->_getHelper()->isAddFilterableAttributes() && $attribute->getOrigData('is_filterable') > 0)


            || ($attribute->getOrigData('used_in_product_listing') == 1)


            || ($attribute->getOrigData('used_for_sort_by') == 1);


        $enableAfter    = ($attribute->getData('backend_type') == 'static')


            || ($this->_getHelper()->isAddFilterableAttributes() && $attribute->getData('is_filterable') > 0)


            || ($attribute->getData('used_in_product_listing') == 1)


            || ($attribute->getData('used_for_sort_by') == 1);





        if (!$enableAfter && !$enableBefore) {


            return $this;


        }





        if ($enableBefore && !$enableAfter) {


            // delete attribute data from flat


            $this->_getIndexer()->prepareDataStorage();


        }


        else {


            $this->_getIndexer()->updateAttribute($attribute->getAttributeCode());


        }





        return $this;


    }





    /**


     * Catalog Product Status Update


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogProductStatusUpdate(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $productId  = $observer->getEvent()->getProductId();


        $status     = $observer->getEvent()->getStatus();


        $storeId    = $observer->getEvent()->getStoreId();


        $storeId    = $storeId > 0 ? $storeId : null;





        $this->_getIndexer()->updateProductStatus($productId, $status, $storeId);





        return $this;


    }





    /**


     * Catalog Product Website(s) update


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogProductWebsiteUpdate(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $websiteIds = $observer->getEvent()->getWebsiteIds();


        $productIds = $observer->getEvent()->getProductIds();





        foreach ($websiteIds as $websiteId) {


            $website = Mage::app()->getWebsite($websiteId);


            foreach ($website->getStores() as $store) {


                if ($observer->getEvent()->getAction() == 'remove') {


                    $this->_getIndexer()->removeProduct($productIds, $store->getId());


                }


                else {


                    $this->_getIndexer()->updateProduct($productIds, $store->getId());


                }


            }


        }





        return $this;


    }





    /**


     * Catalog Product After Save


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogProductSaveAfter(Varien_Event_Observer $observer) {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $product   = $observer->getEvent()->getProduct();


        $productId = $product->getId();





        $this->_getIndexer()->saveProduct($productId);





        return $this;


    }





    /**


     * Add new store flat process


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function storeAdd(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $store = $observer->getEvent()->getStore();


        /* @var $store Mage_Core_Model_Store */


        $this->_getIndexer()->rebuild($store->getId());





        return $this;


    }





    /**


     * Store edit action, check change store group


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function storeEdit(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $store = $observer->getEvent()->getStore();


        /* @var $store Mage_Core_Model_Store */


        if ($store->dataHasChangedFor('group_id')) {


            $this->_getIndexer()->rebuild($store->getId());


        }





        return $this;


    }





    /**


     * Store delete after process


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function storeDelete(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $store = $observer->getEvent()->getStore();


        /* @var $store Mage_Core_Model_Store */





        $this->_getIndexer()->deleteStore($store->getId());





        return $this;


    }





    /**


     * Store Group Save process


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function storeGroupSave(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $group = $observer->getEvent()->getGroup();


        /* @var $group Mage_Core_Model_Store_Group */





        if ($group->dataHasChangedFor('website_id')) {


            foreach ($group->getStores() as $store) {


                /* @var $store Mage_Core_Model_Store */


                $this->_getIndexer()->rebuild($store->getId());


            }


        }





        return $this;


    }





    /**


     * Catalog Product Import After process


     *


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogProductImportAfter(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $this->_getIndexer()->rebuild();





        return $this;


    }





    /**


     * Customer Group save after process


     *


     * @param Varien_Event_Observer_Collection $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function customerGroupSaveAfter(Varien_Event_Observer $observer)


    {


        if (!$this->_getHelper()->isBuilt()) {


            return $this;


        }





        $customerGroup = $observer->getEvent()->getObject();


        /* @var $customerGroup Mage_Customer_Model_Group */


        if ($customerGroup->dataHasChangedFor($customerGroup->getIdFieldName())


            || $customerGroup->dataHasChangedFor('tax_class_id')) {


            $this->_getIndexer()->updateEventAttributes();


        }


        return $this;


    }





    /**


     * Update category ids in flat


     *


     * @deprecated 1.3.2.2


     * @param Varien_Event_Observer $observer


     * @return Mage_Catalog_Model_Product_Flat_Observer


     */


    public function catalogCategoryChangeProducts(Varien_Event_Observer $observer)


    {


        return $this;


    }


}