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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package block_glossary_random
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* @subpackage backup-moodle2
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* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Specialised restore task for the glossary_random block
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* (using execute_after_tasks for recoding of glossaryid)
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*
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* TODO: Finish phpdocs
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*/
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class restore_glossary_random_block_task extends restore_block_task {
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protected function define_my_settings() {
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}
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protected function define_my_steps() {
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}
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public function get_fileareas() {
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return array(); // No associated fileareas
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}
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public function get_configdata_encoded_attributes() {
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return array(); // No special handling of configdata
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}
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/**
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* This function, executed after all the tasks in the plan
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* have been executed, will perform the recode of the
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* target glossary for the block. This must be done here
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* and not in normal execution steps because the glossary
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* may be restored after the block.
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*/
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public function after_restore() {
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global $DB;
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// Get the blockid
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$blockid = $this->get_blockid();
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// Extract block configdata and update it to point to the new glossary
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if ($configdata = $DB->get_field('block_instances', 'configdata', array('id' => $blockid))) {
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$config = $this->decode_configdata($configdata);
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if (!empty($config->glossary)) {
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if ($glossarymap = restore_dbops::get_backup_ids_record($this->get_restoreid(), 'glossary', $config->glossary)) {
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// Get glossary mapping and replace it in config
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$config->glossary = $glossarymap->newitemid;
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} else if ($this->is_samesite()) {
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// We are restoring on the same site, check if glossary can be used in the block in this course.
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$glossaryid = $DB->get_field_sql("SELECT id FROM {glossary} " .
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"WHERE id = ? AND (course = ? OR globalglossary = 1)",
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[$config->glossary, $this->get_courseid()]);
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if (!$glossaryid) {
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unset($config->glossary);
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}
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} else {
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// The block refers to a glossary not present in the backup file.
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unset($config->glossary);
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}
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// Unset config variables that are no longer used.
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unset($config->globalglossary);
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unset($config->courseid);
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// Save updated config.
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$configdata = base64_encode(serialize($config));
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$DB->set_field('block_instances', 'configdata', $configdata, array('id' => $blockid));
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}
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}
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}
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public static function define_decode_contents() {
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return array();
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}
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public static function define_decode_rules() {
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return array();
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}
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}
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