app/code/core/Mage/Catalog/Model/Product/Flat/Indexer.php

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<?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) 2009 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */


/**
 * Catalog Product Flat Indexer Model
 *
 * @category   Mage
 * @package    Mage_Catalog
 * @author     Magento Core Team <core@magentocommerce.com>
 */
class Mage_Catalog_Model_Product_Flat_Indexer extends Mage_Core_Model_Abstract
{
    /**
     * Standart model resource initialization
     *
     */
    protected function _construct()
    {
        $this->_init('catalog/product_flat_indexer');
    }

    /**
     * Get resource instance
     *
     * @return Mage_Catalog_Model_Resource_Eav_Mysql4_Product_Flat_Indexer
     */
    protected function _getResource()
    {
        return parent::_getResource();
    }

    /**
     * Rebuild Catalog Product Flat Data
     *
     * @param mixed $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function rebuild($store = null)
    {
        $this->_getResource()->rebuild($store);
        return $this;
    }

    /**
     * Update attribute data for flat table
     *
     * @param string $attributeCode
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function updateAttribute($attributeCode, $store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->updateAttribute($attributeCode, $store->getId());
            }

            return $this;
        }

        $this->_getResource()->prepareFlatTable($store);
        $attribute = $this->_getResource()->getAttribute($attributeCode);
        $this->_getResource()->updateAttribute($attribute, $store);
        $this->_getResource()->updateChildrenDataFromParent($store);

        return $this;
    }

    /**
     * Prepare datastorage for catalog product flat
     *
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function prepareDataStorage($store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->prepareDataStorage($store->getId());
            }

            return $this;
        }

        $this->_getResource()->prepareFlatTable($store);

        return $this;
    }

    /**
     * Update events observer attributes
     *
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function updateEventAttributes($store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->updateEventAttributes($store->getId());
            }

            return $this;
        }

        $this->_getResource()->prepareFlatTable($store);
        $this->_getResource()->updateEventAttributes($store);
        $this->_getResource()->updateRelationProducts($store);

        return $this;
    }

    /**
     * Update product status
     *
     * @param int $productId
     * @param int $status
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function updateProductStatus($productId, $status, $store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->updateProductStatus($productId, $status, $store->getId());
            }
            return $this;
        }

        if ($status == Mage_Catalog_Model_Product_Status::STATUS_ENABLED) {
            $this->_getResource()->updateProduct($productId, $store);
            $this->_getResource()->updateChildrenDataFromParent($store, $productId);
        }
        else {
            $this->_getResource()->removeProduct($productId, $store);
        }

        return $this;
    }

    /**
     * Update Catalog Product Flat data
     *
     * @param int|array $productIds
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function updateProduct($productIds, $store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->updateProduct($productIds, $store->getId());
            }
            return $this;
        }

        $this->_getResource()->removeProduct($productIds, $store);
        $this->_getResource()->updateProduct($productIds, $store);
        $this->_getResource()->updateRelationProducts($store, $productIds);

        return $this;
    }

    /**
     * Save Catalog Product(s) Flat data
     *
     * @param int|array $productIds
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function saveProduct($productIds, $store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->saveProduct($productIds, $store->getId());
            }
            return $this;
        }

        $this->_getResource()->removeProduct($productIds, $store);
        $this->_getResource()->saveProduct($productIds, $store);
        $this->_getResource()->updateRelationProducts($store, $productIds);

        return $this;
    }

    /**
     * Remove product from flat
     *
     * @param int|array $productIds
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function removeProduct($productIds, $store = null)
    {
        if (is_null($store)) {
            foreach (Mage::app()->getStores() as $store) {
                $this->removeProduct($productIds, $store->getId());
            }
            return $this;
        }

        $this->_getResource()->removeProduct($productIds, $store);

        return $this;
    }

    /**
     * Delete store process
     *
     * @param int $store
     * @return Mage_Catalog_Model_Product_Flat_Indexer
     */
    public function deleteStore($store)
    {
        $this->_getResource()->deleteFlatTable($store);
        return $this;
    }
}

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