Initial commit

typo3conf/ext/metaseo/class.ext_update.php

@@ -0,0 +1,178 @@
+<?php
+
+/*
+ *  Copyright notice
+ *
+ *  (c) 2015 Markus Blaschke <typo3@markus-blaschke.de> (metaseo)
+ *  (c) 2013 Markus Blaschke (TEQneers GmbH & Co. KG) <blaschke@teqneers.de> (tq_seo)
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ */
+
+use TYPO3\CMS\Core\Messaging\FlashMessage;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Update class for the extension manager.
+ *
+ * @package    TYPO3
+ * @subpackage metaseo
+ */
+class ext_update
+{
+
+    // ########################################################################
+    // Attributs
+    // ########################################################################
+
+    /**
+     * Message list
+     *
+     * @var array
+     */
+    protected $messageList = array();
+
+    /**
+     * Clear cache (after update)
+     *
+     * @var boolean
+     */
+    protected $clearCache = false;
+
+    // ########################################################################
+    // Methods
+    // ########################################################################
+
+    /**
+     * Main update function called by the extension manager.
+     *
+     * @return string
+     */
+    public function main()
+    {
+        $this->processUpdates();
+
+        $ret = $this->generateOutput();
+
+        return $ret;
+    }
+
+    /**
+     * Called by the extension manager to determine if the update menu entry
+     * should by showed.
+     *
+     * @return bool
+     */
+    public function access()
+    {
+        return true;
+    }
+
+
+    /**
+     * The actual update function. Add your update task in here.
+     */
+    protected function processUpdates()
+    {
+        $this->processClearCache();
+    }
+
+    /**
+     * Clear cache
+     */
+    protected function processClearCache()
+    {
+
+        if ($this->clearCache) {
+
+            // Init TCE
+            $TCE        = GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\DataHandling\\DataHandler');
+            $TCE->admin = 1;
+            $TCE->clear_cacheCmd('all');
+
+            // Add msg
+            $msgTitle  = 'Clearing TYPO3 cache';
+            $msgStatus = FlashMessage::INFO;
+            $msgText   = 'Cleared all caches due migration';
+
+            $this->addMessage($msgStatus, $msgTitle, $msgText);
+        }
+    }
+
+    /**
+     * Add message
+     *
+     * @param integer $status  Status code
+     * @param string  $title   Title
+     * @param string  $message Message
+     */
+    protected function addMessage($status, $title, $message)
+    {
+        if (!empty($message) && is_array($message)) {
+            $liStyle = 'style="margin-bottom: 0;"';
+
+            $message = '<ul><li ' . $liStyle . '>' . implode('</li><li ' . $liStyle . '>', $message) . '</li></ul>';
+        }
+
+        $this->messageList[] = array($status, $title, $message);
+    }
+
+    /**
+     * Generate message title from database row (using title and uid)
+     *
+     * @param   array $row Database row
+     *
+     * @return  string
+     */
+    protected function messageTitleFromRow(array $row)
+    {
+        $ret = array();
+
+        if (!empty($row['title'])) {
+            $ret[] = '"' . htmlspecialchars($row['title']) . '"';
+        }
+
+        if (!empty($row['uid'])) {
+            $ret[] = '[UID #' . htmlspecialchars($row['uid']) . ']';
+        }
+
+        return implode(' ', $ret);
+    }
+
+    /**
+     * Generates output by using flash messages
+     *
+     * @return string
+     */
+    protected function generateOutput()
+    {
+        $output = '';
+
+        foreach ($this->messageList as $message) {
+            $flashMessage = GeneralUtility::makeInstance(
+                'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
+                $message[2],
+                $message[1],
+                $message[0]
+            );
+            $output .= $flashMessage->render();
+        }
+
+        return $output;
+    }
+}