<?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@magento.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.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Index
 * @copyright  Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */
class Mage_Index_Adminhtml_ProcessController extends Mage_Adminhtml_Controller_Action
{
    /**
     * Initialize process object by request
     *
     * @return Mage_Index_Model_Process|false
     */
    protected function _initProcess()
    {
        $processId = $this->getRequest()->getParam('process');
        if ($processId) {
            /** @var $process Mage_Index_Model_Process */
            $process = Mage::getModel('index/process')->load($processId);
            if ($process->getId() && $process->getIndexer()->isVisible()) {
                return $process;
            }
        }
        return false;
    }

    /**
     * Display processes grid action
     */
    public function listAction()
    {
        $this->_title($this->__('System'))->_title($this->__('Index Management'));

        $this->loadLayout();
        $this->_setActiveMenu('system/index');
        $this->renderLayout();
    }

    /**
     * Process detail and edit action
     */
    public function editAction()
    {
        /** @var $process Mage_Index_Model_Process */
        $process = $this->_initProcess();
        if ($process) {
            $this->_title($process->getIndexCode());

            $this->_title($this->__('System'))
                 ->_title($this->__('Index Management'))
                 ->_title($this->__($process->getIndexer()->getName()));

            Mage::register('current_index_process', $process);
            $this->loadLayout();
            $this->renderLayout();
        } else {
            $this->_getSession()->addError(
                Mage::helper('index')->__('Cannot initialize the indexer process.')
            );
            $this->_redirect('*/*/list');
        }
    }

    /**
     * Save process data
     */
    public function saveAction()
    {
        /** @var $process Mage_Index_Model_Process */
        $process = $this->_initProcess();
        if ($process) {
            $mode = $this->getRequest()->getPost('mode');
            if ($mode) {
                $process->setMode($mode);
            }
            try {
                $process->save();
                $this->_getSession()->addSuccess(
                    Mage::helper('index')->__('The index has been saved.')
                );
            } catch (Mage_Core_Exception $e) {
                $this->_getSession()->addError($e->getMessage());
            } catch (Exception $e) {
                $this->_getSession()->addException($e,
                     Mage::helper('index')->__('There was a problem with saving process.')
                );
            }
            $this->_redirect('*/*/list');
        } else {
            $this->_getSession()->addError(
                Mage::helper('index')->__('Cannot initialize the indexer process.')
            );
            $this->_redirect('*/*/list');
        }
    }

    /**
     * Reindex all data what process is responsible
     */
    public function reindexProcessAction()
    {
        /** @var $process Mage_Index_Model_Process */
        $process = $this->_initProcess();
        if ($process) {
            try {
                Varien_Profiler::start('__INDEX_PROCESS_REINDEX_ALL__');

                $process->reindexEverything();
                Varien_Profiler::stop('__INDEX_PROCESS_REINDEX_ALL__');
                $this->_getSession()->addSuccess(
                    Mage::helper('index')->__('%s index was rebuilt.', $process->getIndexer()->getName())
                );
            } catch (Mage_Core_Exception $e) {
                $this->_getSession()->addError($e->getMessage());
            } catch (Exception $e) {
                $this->_getSession()->addException($e,
                     Mage::helper('index')->__('There was a problem with reindexing process.')
                );
            }
        } else {
            $this->_getSession()->addError(
                Mage::helper('index')->__('Cannot initialize the indexer process.')
            );
        }

        $this->_redirect('*/*/list');
    }

    /**
     * Reindex pending events for index process
     */
    public function reindexEventsAction()
    {

    }

    /**
     * Rebiuld all processes index
     */
    public function reindexAllAction()
    {

    }

    /**
     * Mass rebuild selected processes index
     *
     */
    public function massReindexAction()
    {
        /* @var $indexer Mage_Index_Model_Indexer */
        $indexer    = Mage::getSingleton('index/indexer');
        $processIds = $this->getRequest()->getParam('process');
        if (empty($processIds) || !is_array($processIds)) {
            $this->_getSession()->addError(Mage::helper('index')->__('Please select Indexes'));
        } else {
            try {
                $counter = 0;
                foreach ($processIds as $processId) {
                    /* @var $process Mage_Index_Model_Process */
                    $process = $indexer->getProcessById($processId);
                    if ($process && $process->getIndexer()->isVisible()) {
                        $process->reindexEverything();
                        $counter++;
                    }
                }
                $this->_getSession()->addSuccess(
                    Mage::helper('index')->__('Total of %d index(es) have reindexed data.', $counter)
                );
            } catch (Mage_Core_Exception $e) {
                $this->_getSession()->addError($e->getMessage());
            } catch (Exception $e) {
                $this->_getSession()->addException($e, Mage::helper('index')->__('Cannot initialize the indexer process.'));
            }
        }

        $this->_redirect('*/*/list');
    }

    /**
     * Mass change index mode of selected processes index
     *
     */
    public function massChangeModeAction()
    {
        $processIds = $this->getRequest()->getParam('process');
        if (empty($processIds) || !is_array($processIds)) {
            $this->_getSession()->addError(Mage::helper('index')->__('Please select Index(es)'));
        } else {
            try {
                $counter = 0;
                $mode = $this->getRequest()->getParam('index_mode');
                foreach ($processIds as $processId) {
                    /* @var $process Mage_Index_Model_Process */
                    $process = Mage::getModel('index/process')->load($processId);
                    if ($process->getId() && $process->getIndexer()->isVisible()) {
                        $process->setMode($mode)->save();
                        $counter++;
                    }
                }
                $this->_getSession()->addSuccess(
                    Mage::helper('index')->__('Total of %d index(es) have changed index mode.', $counter)
                );
            } catch (Mage_Core_Exception $e) {
                $this->_getSession()->addError($e->getMessage());
            } catch (Exception $e) {
                $this->_getSession()->addException($e, Mage::helper('index')->__('Cannot initialize the indexer process.'));
            }
        }

        $this->_redirect('*/*/list');
    }

    /**
     * Check ACL permissins
     *
     * @return bool
     */
    protected function _isAllowed()
    {
        return Mage::getSingleton('admin/session')->isAllowed('system/index');
    }
}
