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<?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_plan_builder class
*
* @package core_backup
* @subpackage moodle2
* @category backup
* @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();
require_once($CFG->dirroot . '/backup/moodle2/restore_root_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_course_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_section_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_activity_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_final_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_block_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_default_block_task.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_qtype_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_qtype_extrafields_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_format_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_local_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_theme_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_report_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_coursereport_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_plagiarism_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_gradingform_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_enrol_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_qtype_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_qtype_extrafields_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_format_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_local_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_theme_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_report_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_coursereport_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_plagiarism_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_gradingform_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/backup_enrol_plugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_subplugin.class.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_settingslib.php');
require_once($CFG->dirroot . '/backup/moodle2/restore_stepslib.php');
// Load all the activity tasks for moodle2 format
$mods = core_component::get_plugin_list('mod');
foreach ($mods as $mod => $moddir) {
$taskpath = $moddir . '/backup/moodle2/restore_' . $mod . '_activity_task.class.php';
if (plugin_supports('mod', $mod, FEATURE_BACKUP_MOODLE2)) {
if (file_exists($taskpath)) {
require_once($taskpath);
}
}
}
// Load all the block tasks for moodle2 format
$blocks = core_component::get_plugin_list('block');
foreach ($blocks as $block => $blockdir) {
$taskpath = $blockdir . '/backup/moodle2/restore_' . $block . '_block_task.class.php';
if (file_exists($taskpath)) {
require_once($taskpath);
}
}
/**
* Abstract class defining the static method in charge of building the whole
* restore plan, based in @restore_controller preferences.
*
* TODO: Finish phpdocs
*/
abstract class restore_plan_builder {
/**
* Dispatches, based on type to specialised builders
*/
static public function build_plan($controller) {
$plan = $controller->get_plan();
// Add the root task, responsible for
// preparing everything, creating the
// needed structures (users, roles),
// preloading information to temp table
// and other init tasks
$plan->add_task(new restore_root_task('root_task'));
$controller->get_progress()->progress();
switch ($controller->get_type()) {
case backup::TYPE_1ACTIVITY:
self::build_activity_plan($controller, key($controller->get_info()->activities));
break;
case backup::TYPE_1SECTION:
self::build_section_plan($controller, key($controller->get_info()->sections));
break;
case backup::TYPE_1COURSE:
self::build_course_plan($controller, $controller->get_courseid());
break;
}
// Add the final task, responsible for closing
// all the pending bits (remapings, inter-links
// conversion...)
// and perform other various final actions.
$plan->add_task(new restore_final_task('final_task'));
$controller->get_progress()->progress();
}
// Protected API starts here
/**
* Restore one 1-activity backup
*/
static protected function build_activity_plan($controller, $activityid) {
$plan = $controller->get_plan();
$info = $controller->get_info();
$infoactivity = $info->activities[$activityid];
// Add the activity task, responsible for restoring
// all the module related information. So it conditionally
// as far as the module can be missing on restore
if ($task = restore_factory::get_restore_activity_task($infoactivity)) { // can be missing
$plan->add_task($task);
$controller->get_progress()->progress();
// For the given activity path, add as many block tasks as necessary
// TODO: Add blocks, we need to introspect xml here
$blocks = backup_general_helper::get_blocks_from_path($task->get_taskbasepath());
foreach ($blocks as $basepath => $name) {
if ($task = restore_factory::get_restore_block_task($name, $basepath)) {
$plan->add_task($task);
$controller->get_progress()->progress();
} else {
// TODO: Debug information about block not supported
}
}
} else { // Activity is missing in target site, inform plan about that
$plan->set_missing_modules();
}
}
/**
* Restore one 1-section backup
*/
static protected function build_section_plan($controller, $sectionid) {
$plan = $controller->get_plan();
$info = $controller->get_info();
$infosection = $info->sections[$sectionid];
// Add the section task, responsible for restoring
// all the section related information
$plan->add_task(restore_factory::get_restore_section_task($infosection));
$controller->get_progress()->progress();
// For the given section, add as many activity tasks as necessary
foreach ($info->activities as $activityid => $activity) {
if ($activity->sectionid != $infosection->sectionid) {
continue;
}
if (plugin_supports('mod', $activity->modulename, FEATURE_BACKUP_MOODLE2)) { // Check we support the format
self::build_activity_plan($controller, $activityid);
} else {
// TODO: Debug information about module not supported
}
}
}
/**
* Restore one 1-course backup
*/
static protected function build_course_plan($controller, $courseid) {
$plan = $controller->get_plan();
$info = $controller->get_info();
// Add the course task, responsible for restoring
// all the course related information
$task = restore_factory::get_restore_course_task($info->course, $courseid);
$plan->add_task($task);
$controller->get_progress()->progress();
// For the given course path, add as many block tasks as necessary
// TODO: Add blocks, we need to introspect xml here
$blocks = backup_general_helper::get_blocks_from_path($task->get_taskbasepath());
foreach ($blocks as $basepath => $name) {
if ($task = restore_factory::get_restore_block_task($name, $basepath)) {
$plan->add_task($task);
$controller->get_progress()->progress();
} else {
// TODO: Debug information about block not supported
}
}
// For the given course, add as many section tasks as necessary
foreach ($info->sections as $sectionid => $section) {
self::build_section_plan($controller, $sectionid);
}
}
}