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MDL-25617 backup: backup/restore using extra_question_fields
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| <?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/>. | ||
|
|
||
| /** | ||
| * Defines backup_qtype_extrafields_plugin class | ||
| * | ||
| * @package core_backup | ||
| * @copyright 2012 Oleg Sychev, Volgograd State Technical University | ||
| * @author Valeriy Streltsov <[email protected]> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
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| global $CFG; | ||
| require_once($CFG->dirroot . '/question/engine/bank.php'); | ||
|
|
||
| /** | ||
| * Class extending backup_qtype_plugin in order to use extra fields method | ||
| * | ||
| * See qtype_shortanswer for an example | ||
| * | ||
| * @copyright 2012 Oleg Sychev, Volgograd State Technical University | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class backup_qtype_extrafields_plugin extends backup_qtype_plugin { | ||
|
|
||
| /** | ||
| * Returns the qtype information to attach to question element. | ||
| */ | ||
| protected function define_question_plugin_structure() { | ||
| $qtypeobj = question_bank::get_qtype($this->pluginname); | ||
|
|
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| // Define the virtual plugin element with the condition to fulfill. | ||
| $plugin = $this->get_plugin_element(null, '../../qtype', $qtypeobj->name()); | ||
|
|
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| // Create one standard named plugin element (the visible container). | ||
| $pluginwrapper = new backup_nested_element($this->get_recommended_name()); | ||
|
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| // Connect the visible container ASAP. | ||
| $plugin->add_child($pluginwrapper); | ||
|
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| // This qtype uses standard question_answers, add them here | ||
| // to the tree before any other information that will use them. | ||
| $this->add_question_question_answers($pluginwrapper); | ||
| $answers = $pluginwrapper->get_child('answers'); | ||
| $answer = $answers->get_child('answer'); | ||
|
|
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| // Extra question fields. | ||
| $extraquestionfields = $qtypeobj->extra_question_fields(); | ||
| if (!empty($extraquestionfields)) { | ||
| $tablename = array_shift($extraquestionfields); | ||
| $child = new backup_nested_element($qtypeobj->name(), array('id'), $extraquestionfields); | ||
| $pluginwrapper->add_child($child); | ||
| $child->set_source_table($tablename, array($qtypeobj->questionid_column_name() => backup::VAR_PARENTID)); | ||
| } | ||
|
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| // Extra answer fields. | ||
| $extraanswerfields = $qtypeobj->extra_answer_fields(); | ||
| if (!empty($extraanswerfields)) { | ||
| $tablename = array_shift($extraanswerfields); | ||
| $child = new backup_nested_element('extraanswerdata', array('id'), $extraanswerfields); | ||
| $answer->add_child($child); | ||
| $child->set_source_table($tablename, array('answerid' => backup::VAR_PARENTID)); | ||
| } | ||
|
|
||
| // Don't need to annotate ids nor files. | ||
| return $plugin; | ||
| } | ||
| } |
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131 changes: 131 additions & 0 deletions
131
backup/moodle2/restore_qtype_extrafields_plugin.class.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| <?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/>. | ||
|
|
||
| /** | ||
| * Defines restore_qtype_extrafields_plugin class | ||
| * | ||
| * @package core_backup | ||
| * @copyright 2012 Oleg Sychev, Volgograd State Technical University | ||
| * @author Valeriy Streltsov <[email protected]> | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
||
| global $CFG; | ||
| require_once($CFG->dirroot . '/question/engine/bank.php'); | ||
|
|
||
| /** | ||
| * Class extending restore_qtype_plugin in order to use extra fields method | ||
| * | ||
| * See qtype_shortanswer for an example | ||
| * | ||
| * @copyright 2012 Oleg Sychev, Volgograd State Technical University | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| class restore_qtype_extrafields_plugin extends restore_qtype_plugin { | ||
|
|
||
| /** | ||
| * Question type class for a particular question type | ||
| * @var question_type | ||
| */ | ||
| protected $qtypeobj; | ||
|
|
||
| /** | ||
| * Constructor | ||
| * | ||
| * @param string $plugintype plugin type | ||
| * @param string $pluginname plugin name | ||
| * @param restore_step $step step | ||
| */ | ||
| public function __construct($plugintype, $pluginname, $step) { | ||
| parent::__construct($plugintype, $pluginname, $step); | ||
| $this->qtypeobj = question_bank::get_qtype($this->pluginname); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the paths to be handled by the plugin at question level. | ||
| */ | ||
| protected function define_question_plugin_structure() { | ||
| $paths = array(); | ||
|
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| // This qtype uses question_answers, add them. | ||
| $this->add_question_question_answers($paths); | ||
|
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| // Add own qtype stuff. | ||
| $elepath = $this->get_pathfor('/' . $this->qtypeobj->name()); | ||
| $paths[] = new restore_path_element($this->qtypeobj->name(), $elepath); | ||
|
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| $elepath = $this->get_pathfor('/answers/answer/extraanswerdata'); | ||
| $paths[] = new restore_path_element('extraanswerdata', $elepath); | ||
|
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| return $paths; | ||
| } | ||
|
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| /** | ||
| * Processes the extra answer data | ||
| * | ||
| * @param array $data extra answer data | ||
| */ | ||
| public function process_extraanswerdata($data) { | ||
| global $DB; | ||
|
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| $extra = $this->qtypeobj->extra_answer_fields(); | ||
| $tablename = array_shift($extra); | ||
|
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| $oldquestionid = $this->get_old_parentid('question'); | ||
| $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; | ||
|
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| if ($questioncreated) { | ||
| $data['answerid'] = $this->get_mappingid('question_answer', $data['id']); | ||
| $DB->insert_record($tablename, $data); | ||
| } else { | ||
| $DB->update_record($tablename, $data); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Process the qtype/... element. | ||
| * | ||
| * @param array $data question data | ||
| */ | ||
| public function really_process_extra_question_fields($data) { | ||
| global $DB; | ||
|
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| $oldid = $data['id']; | ||
|
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| // 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', $oldquestionid) ? true : false; | ||
|
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| // If the question has been created by restore, we need to create its qtype_... too. | ||
| if ($questioncreated) { | ||
| $extraquestionfields = $this->qtypeobj->extra_question_fields(); | ||
| $tablename = array_shift($extraquestionfields); | ||
|
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| // Adjust some columns. | ||
| $qtfield = $this->qtypeobj->questionid_column_name(); | ||
| $data[$qtfield] = $newquestionid; | ||
|
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| // Insert record. | ||
| $newitemid = $DB->insert_record($tablename, $data); | ||
|
|
||
| // Create mapping. | ||
| $this->set_mapping($tablename, $oldid, $newitemid); | ||
| } | ||
| } | ||
| } |
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