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102 lines
3.6 KiB
102 lines
3.6 KiB
2 years ago
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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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* Defines backup_subplugin class
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* @package core_backup
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* @subpackage moodle2
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* @category backup
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* @copyright 2010 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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defined('MOODLE_INTERNAL') || die();
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/**
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* Class implementing the subplugins support for moodle2 backups
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*
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* TODO: Finish phpdocs
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* TODO: Make this subclass of backup_plugin
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*/
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abstract class backup_subplugin {
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protected $subplugintype;
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protected $subpluginname;
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protected $connectionpoint;
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protected $optigroup; // Optigroup, parent of all optigroup elements
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protected $step;
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protected $task;
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public function __construct($subplugintype, $subpluginname, $optigroup, $step) {
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$this->subplugintype = $subplugintype;
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$this->subpluginname = $subpluginname;
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$this->optigroup = $optigroup;
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$this->connectionpoint = '';
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$this->step = $step;
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$this->task = $step->get_task();
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}
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public function define_subplugin_structure($connectionpoint) {
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$this->connectionpoint = $connectionpoint;
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$methodname = 'define_' . $connectionpoint . '_subplugin_structure';
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if (method_exists($this, $methodname)) {
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$this->$methodname();
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}
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}
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// Protected API starts here
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// backup_step/structure_step/task wrappers
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/**
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* Returns the value of one (task/plan) setting
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*/
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protected function get_setting_value($name) {
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if (is_null($this->task)) {
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throw new backup_step_exception('not_specified_backup_task');
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}
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return $this->task->get_setting_value($name);
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}
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// end of backup_step/structure_step/task wrappers
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/**
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* Factory method that will return one backup_subplugin_element (backup_optigroup_element)
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* with its name automatically calculated, based one the subplugin being handled (type, name)
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*/
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protected function get_subplugin_element($final_elements = null, $conditionparam = null, $conditionvalue = null) {
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// Something exclusive for this backup_subplugin_element (backup_optigroup_element)
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// because it hasn't XML representation
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$name = 'optigroup_' . $this->subplugintype . '_' . $this->subpluginname . '_' . $this->connectionpoint;
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$optigroup_element = new backup_subplugin_element($name, $final_elements, $conditionparam, $conditionvalue);
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$this->optigroup->add_child($optigroup_element); // Add optigroup_element to stay connected since beginning
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return $optigroup_element;
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}
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/**
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* Simple helper function that suggests one name for the main nested element in subplugins
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* It's not mandatory to use it but recommended ;-)
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*/
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protected function get_recommended_name() {
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return 'subplugin_' . $this->subplugintype . '_' . $this->subpluginname . '_' . $this->connectionpoint;
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}
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}
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