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Diffstat (limited to 'backup/moodle2/restore_qtype_algebra_plugin.class.php')
-rw-r--r-- | backup/moodle2/restore_qtype_algebra_plugin.class.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/backup/moodle2/restore_qtype_algebra_plugin.class.php b/backup/moodle2/restore_qtype_algebra_plugin.class.php new file mode 100644 index 0000000..5c2d567 --- /dev/null +++ b/backup/moodle2/restore_qtype_algebra_plugin.class.php @@ -0,0 +1,106 @@ +<?php + +// This file is part of Moodle - http://moodle.org/ +// +// Moodle 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. +// +// Moodle 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. +// +// You should have received a copy of the GNU General Public License +// along with Moodle. If not, see <http://www.gnu.org/licenses/>. + +/** + * @package moodlecore + * @subpackage backup-moodle2 + * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} + * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later + */ + +defined('MOODLE_INTERNAL') || die(); + +/** + * restore plugin class that provides the necessary information + * needed to restore one algebra qtype plugin + */ +class restore_qtype_algebra_plugin extends restore_qtype_plugin { + + /** + * Returns the paths to be handled by the plugin at question level + */ + protected function define_question_plugin_structure() { + + $paths = array(); + + // This qtype uses question_answers, add them + $this->add_question_question_answers($paths); + + // Add own qtype stuff + $elename = 'algebravariable'; + $elepath = $this->get_pathfor('/algebra_variables/algebra_variable'); // we used get_recommended_name() so this works + $paths[] = new restore_path_element($elename, $elepath); + $elename = 'algebra'; + $elepath = $this->get_pathfor('/algebra'); // we used get_recommended_name() so this works + $paths[] = new restore_path_element($elename, $elepath); + + return $paths; // And we return the interesting paths + } + + /** + * Process the qtype/algebra element + */ + public function process_algebra($data) { + global $DB; + + $data = (object)$data; + $oldid = $data->id; + // Detect if the question is created or mapped + $oldquestionid = $this->get_old_parentid('question'); + $newquestionid = $this->get_new_parentid('question'); + $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; + + // If the question has been created by restore, we need to create its question_algebra too + if ($questioncreated) { + // Adjust some columns + $data->questionid = $newquestionid; + // Insert record + $newitemid = $DB->insert_record('question_algebra', $data); + // Create mapping (needed for decoding links) + $this->set_mapping('question_algebra', $oldid, $newitemid); + } else { + // Nothing to remap if the question already existed + } + } + + /** + * Process the qtype/algebravariable element + */ + public function process_algebravariable($data) { + global $DB; + + $data = (object)$data; + $oldid = $data->id; + + // Detect if the question is created or mapped + $oldquestionid = $this->get_old_parentid('question'); + $newquestionid = $this->get_new_parentid('question'); + $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; + + // If the question has been created by restore, we need to create its question_algebra_variables too + if ($questioncreated) { + // Adjust some columns + $data->question = $newquestionid; + // Insert record + $newitemid = $DB->insert_record('question_algebra_variables', $data); + // Create mapping + $this->set_mapping('question_algebra_variable', $oldid, $newitemid); + } else { + // Nothing to remap if the question already existed + } + } +} |