Просмотр архива Contao (бывшая TYPOlight)


<?php

/**
 * Contao Open Source CMS
 *
 * Copyright (c) 2005-2016 Leo Feyer
 *
 * @license LGPL-3.0+
 */

namespace Contao;


/**
 * Maintenance module "purge data".
 *
 * @author Leo Feyer <https://github.com/leofeyer>
 */
class PurgeData extends Backend implements executable
{

    /**
     * Return true if the module is active
     *
     * @return boolean
     */
    public function isActive()
    {
        return (Input::post('FORM_SUBMIT') == 'tl_purge');
    }


    /**
     * Generate the module
     *
     * @return string
     */
    public function run()
    {
        $arrJobs = array();

        /** @var BackendTemplate|object $objTemplate */
        $objTemplate = new BackendTemplate('be_purge_data');
        $objTemplate->isActive = $this->isActive();

        // Confirmation message
        if ($_SESSION['CLEAR_CACHE_CONFIRM'] != '')
        {
            $objTemplate->message = sprintf('<p class="tl_confirm">%s</p>' . "n", $_SESSION['CLEAR_CACHE_CONFIRM']);
            $_SESSION['CLEAR_CACHE_CONFIRM'] = '';
        }

        // Add potential error messages
        if (!empty($_SESSION['TL_ERROR']) && is_array($_SESSION['TL_ERROR']))
        {
            foreach ($_SESSION['TL_ERROR'] as $message)
            {
                $objTemplate->message .= sprintf('<p class="tl_error">%s</p>' . "n", $message);
            }

            $_SESSION['TL_ERROR'] = array();
        }

        // Run the jobs
        if (Input::post('FORM_SUBMIT') == 'tl_purge')
        {
            $purge = Input::post('purge');

            if (!empty($purge) && is_array($purge))
            {
                foreach ($purge as $group=>$jobs)
                {
                    foreach ($jobs as $job)
                    {
                        list($class, $method) = $GLOBALS['TL_PURGE'][$group][$job]['callback'];
                        $this->import($class);
                        $this->$class->$method();
                    }
                }
            }

            $_SESSION['CLEAR_CACHE_CONFIRM'] = $GLOBALS['TL_LANG']['tl_maintenance']['cacheCleared'];
            $this->reload();
        }

        // Tables
        foreach ($GLOBALS['TL_PURGE']['tables'] as $key=>$config)
        {
            $arrJobs[$key] = array
            (
                'id' => 'purge_' . $key,
                'title' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][0],
                'description' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][1],
                'group' => 'tables',
                'affected' => ''
            );

            // Get the current table size
            foreach ($config['affected'] as $table)
            {
                $objCount = $this->Database->execute("SELECT COUNT(*) AS count FROM " . $table);
                $arrJobs[$key]['affected'] .= '<br>' . $table . ': <span>' . sprintf($GLOBALS['TL_LANG']['MSC']['entries'], $objCount->count) . ', ' . $this->getReadableSize($this->Database->getSizeOf($table), 0) . '</span>';
            }
        }

        // Folders
        foreach ($GLOBALS['TL_PURGE']['folders'] as $key=>$config)
        {
            $arrJobs[$key] = array
            (
                'id' => 'purge_' . $key,
                'title' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][0],
                'description' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][1],
                'group' => 'folders',
                'affected' => ''
            );

            // Get the current folder size
            foreach ($config['affected'] as $folder)
            {
                $total = 0;

                // Only check existing folders
                if (is_dir(TL_ROOT . '/' . $folder))
                {
                    /** @var SplFileInfo[] $objFiles */
                    $objFiles = new RecursiveIteratorIterator(
                        new RecursiveDirectoryIterator(
                            TL_ROOT . '/' . $folder,
                            FilesystemIterator::UNIX_PATHS|FilesystemIterator::FOLLOW_SYMLINKS|FilesystemIterator::SKIP_DOTS
                        )
                    );

                    // Ignore .gitignore and index.html files
                    foreach ($objFiles as $objFile)
                    {
                        if ($objFile->getFilename() != '.gitignore' && $objFile->getFilename() != 'index.html')
                        {
                            ++$total;
                        }
                    }
                }

                $arrJobs[$key]['affected'] .= '<br>' . $folder . ': <span>' . sprintf($GLOBALS['TL_LANG']['MSC']['files'], $total) . '</span>';
            }
        }

        // Custom
        foreach ($GLOBALS['TL_PURGE']['custom'] as $key=>$job)
        {
            $arrJobs[$key] = array
            (
                'id' => 'purge_' . $key,
                'title' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][0],
                'description' => $GLOBALS['TL_LANG']['tl_maintenance_jobs'][$key][1],
                'group' => 'custom'
            );
        }

        $objTemplate->jobs = $arrJobs;
        $objTemplate->action = ampersand(Environment::get('request'));
        $objTemplate->headline = $GLOBALS['TL_LANG']['tl_maintenance']['clearCache'];
        $objTemplate->job = $GLOBALS['TL_LANG']['tl_maintenance']['job'];
        $objTemplate->description = $GLOBALS['TL_LANG']['tl_maintenance']['description'];
        $objTemplate->submit = specialchars($GLOBALS['TL_LANG']['tl_maintenance']['clearCache']);
        $objTemplate->help = (Config::get('showHelp') && ($GLOBALS['TL_LANG']['tl_maintenance']['cacheTables'][1] != '')) ? $GLOBALS['TL_LANG']['tl_maintenance']['cacheTables'][1] : '';

        return $objTemplate->parse();
    }
}