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Long Term Support Release
1 <?php 2 // This file is part of Moodle - http://moodle.org/ 3 // 4 // Moodle is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Moodle is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 16 17 /** 18 * Defines backup_chat_activity_task class 19 * 20 * @package mod_chat 21 * @category backup 22 * @copyright 2010 onwards Dongsheng Cai <dongsheng@moodle.com> 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 26 defined('MOODLE_INTERNAL') || die(); 27 28 require_once($CFG->dirroot . '/mod/chat/backup/moodle2/backup_chat_stepslib.php'); 29 30 /** 31 * Provides the steps to perform one complete backup of the Chat instance 32 */ 33 class backup_chat_activity_task extends backup_activity_task { 34 35 /** 36 * No specific settings for this activity 37 */ 38 protected function define_my_settings() { 39 } 40 41 /** 42 * Defines a backup step to store the instance data in the chat.xml file 43 */ 44 protected function define_my_steps() { 45 $this->add_step(new backup_chat_activity_structure_step('chat_structure', 'chat.xml')); 46 } 47 48 /** 49 * Encodes URLs to the index.php and view.php scripts 50 * 51 * @param string $content some HTML text that eventually contains URLs to the activity instance scripts 52 * @return string the content with the URLs encoded 53 */ 54 static public function encode_content_links($content) { 55 global $CFG; 56 57 $base = preg_quote($CFG->wwwroot . '/mod/chat', '#'); 58 59 // Link to the list of chats. 60 $pattern = "#(".$base."\/index.php\?id\=)([0-9]+)#"; 61 $content = preg_replace($pattern, '$@CHATINDEX*$2@$', $content); 62 63 // Link to chat view by moduleid. 64 $pattern = "#(".$base."\/view.php\?id\=)([0-9]+)#"; 65 $content = preg_replace($pattern, '$@CHATVIEWBYID*$2@$', $content); 66 67 return $content; 68 } 69 }
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