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228 lines
10 KiB
228 lines
10 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 restore_course_task class
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*
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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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* course task that provides all the properties and common steps to be performed
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* when one course is being restored
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*
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* TODO: Finish phpdocs
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*/
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class restore_course_task extends restore_task {
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protected $info; // info related to course gathered from backup file
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protected $contextid; // course context id
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/**
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* Constructor - instantiates one object of this class
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*/
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public function __construct($name, $info, $plan = null) {
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$this->info = $info;
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parent::__construct($name, $plan);
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}
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/**
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* Course tasks have their own directory to read files
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*/
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public function get_taskbasepath() {
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return $this->get_basepath() . '/course';
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}
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public function get_contextid() {
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return $this->contextid;
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}
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/**
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* Create all the steps that will be part of this task
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*/
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public function build() {
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// Define the task contextid (the course one)
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$this->contextid = context_course::instance($this->get_courseid())->id;
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// Executed conditionally if restoring to new course or if overwrite_conf setting is enabled
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if ($this->get_target() == backup::TARGET_NEW_COURSE || $this->get_setting_value('overwrite_conf') == true) {
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$this->add_step(new restore_course_structure_step('course_info', 'course.xml'));
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// Search reindexing (if enabled).
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if (\core_search\manager::is_indexing_enabled()) {
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$this->add_step(new restore_course_search_index('course_search_index'));
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}
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}
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$this->add_step(new restore_course_legacy_files_step('legacy_files'));
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// Deal with enrolment methods and user enrolments.
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if ($this->plan->get_mode() == backup::MODE_IMPORT) {
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// No need to do anything with enrolments.
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} else if (!$this->get_setting_value('users') or $this->plan->get_mode() == backup::MODE_HUB) {
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if ($this->get_setting_value('enrolments') == backup::ENROL_ALWAYS && $this->plan->get_mode() != backup::MODE_HUB) {
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// Restore enrolment methods.
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$this->add_step(new restore_enrolments_structure_step('course_enrolments', 'enrolments.xml'));
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} else if ($this->get_target() == backup::TARGET_CURRENT_ADDING or $this->get_target() == backup::TARGET_EXISTING_ADDING) {
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// Keep current enrolments unchanged.
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} else {
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// If no instances yet add default enrol methods the same way as when creating new course in UI.
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$this->add_step(new restore_default_enrolments_step('default_enrolments'));
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}
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} else {
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// Restore course enrolment data.
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$this->add_step(new restore_enrolments_structure_step('course_enrolments', 'enrolments.xml'));
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}
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// Populate groups, this must be done after enrolments because only enrolled users may be in groups.
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$this->add_step(new restore_groups_members_structure_step('create_groups_members', '../groups.xml'));
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// Restore course role assignments and overrides (internally will observe the role_assignments setting),
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// this must be done after all users are enrolled.
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$this->add_step(new restore_ras_and_caps_structure_step('course_ras_and_caps', 'roles.xml'));
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// Restore course filters (conditionally)
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if ($this->get_setting_value('filters')) {
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$this->add_step(new restore_filters_structure_step('course_filters', 'filters.xml'));
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}
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// Restore course comments (conditionally)
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if ($this->get_setting_value('comments')) {
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$this->add_step(new restore_comments_structure_step('course_comments', 'comments.xml'));
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}
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// Calendar events (conditionally)
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if ($this->get_setting_value('calendarevents')) {
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$this->add_step(new restore_calendarevents_structure_step('course_calendar', 'calendar.xml'));
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}
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// Course competencies.
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$this->add_step(new restore_course_competencies_structure_step('course_competencies', 'competencies.xml'));
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// Activity completion defaults.
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$this->add_step(new restore_completion_defaults_structure_step('course_completion_defaults', 'completiondefaults.xml'));
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// At the end, mark it as built
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$this->built = true;
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}
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/**
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* Define the contents in the course that must be
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* processed by the link decoder
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*/
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static public function define_decode_contents() {
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$contents = array();
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$contents[] = new restore_decode_content('course', 'summary');
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$contents[] = new restore_decode_content('event', 'description');
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return $contents;
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}
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/**
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* Define the decoding rules for links belonging
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* to the course to be executed by the link decoder
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*/
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static public function define_decode_rules() {
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$rules = array();
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// Link to the course main page (it also covers "&topic=xx" and "&week=xx"
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// because they don't become transformed (section number) in backup/restore.
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$rules[] = new restore_decode_rule('COURSEVIEWBYID', '/course/view.php?id=$1', 'course');
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// A few other key course links.
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$rules[] = new restore_decode_rule('GRADEINDEXBYID', '/grade/index.php?id=$1', 'course');
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$rules[] = new restore_decode_rule('GRADEREPORTINDEXBYID', '/grade/report/index.php?id=$1', 'course');
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$rules[] = new restore_decode_rule('BADGESVIEWBYID', '/badges/view.php?type=2&id=$1', 'course');
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$rules[] = new restore_decode_rule('USERINDEXVIEWBYID', '/user/index.php?id=$1', 'course');
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return $rules;
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}
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// Protected API starts here
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/**
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* Define the common setting that any restore course will have
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*/
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protected function define_settings() {
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// Define overwrite_conf to decide if course configuration will be restored over existing one.
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$overwrite = new restore_course_overwrite_conf_setting('overwrite_conf', base_setting::IS_BOOLEAN, false);
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$overwrite->set_ui(new backup_setting_ui_select($overwrite, $overwrite->get_name(),
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array(1 => get_string('yes'), 0 => get_string('no'))));
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$overwrite->get_ui()->set_label(get_string('setting_overwrite_conf', 'backup'));
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if ($this->get_target() == backup::TARGET_NEW_COURSE) {
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$overwrite->set_value(true);
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$overwrite->set_status(backup_setting::LOCKED_BY_CONFIG);
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$overwrite->set_visibility(backup_setting::HIDDEN);
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$course = (object)['fullname' => null, 'shortname' => null, 'startdate' => null];
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} else {
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$course = get_course($this->get_courseid());
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}
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$this->add_setting($overwrite);
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$fullnamedefaultvalue = $this->get_info()->original_course_fullname;
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$fullname = new restore_course_defaultcustom_setting('course_fullname', base_setting::IS_TEXT, $fullnamedefaultvalue);
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$fullname->set_ui(new backup_setting_ui_defaultcustom($fullname, get_string('setting_course_fullname', 'backup'),
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['customvalue' => $fullnamedefaultvalue, 'defaultvalue' => $course->fullname]));
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$this->add_setting($fullname);
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$shortnamedefaultvalue = $this->get_info()->original_course_shortname;
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$shortname = new restore_course_defaultcustom_setting('course_shortname', base_setting::IS_TEXT, $shortnamedefaultvalue);
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$shortname->set_ui(new backup_setting_ui_defaultcustom($shortname, get_string('setting_course_shortname', 'backup'),
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['customvalue' => $shortnamedefaultvalue, 'defaultvalue' => $course->shortname]));
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$this->add_setting($shortname);
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$startdatedefaultvalue = $this->get_info()->original_course_startdate;
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$startdate = new restore_course_defaultcustom_setting('course_startdate', base_setting::IS_INTEGER, $startdatedefaultvalue);
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$startdate->set_ui(new backup_setting_ui_defaultcustom($startdate, get_string('setting_course_startdate', 'backup'),
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['customvalue' => $startdatedefaultvalue, 'defaultvalue' => $course->startdate, 'type' => 'date_time_selector']));
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$this->add_setting($startdate);
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$keep_enrols = new restore_course_generic_setting('keep_roles_and_enrolments', base_setting::IS_BOOLEAN, false);
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$keep_enrols->set_ui(new backup_setting_ui_select($keep_enrols, $keep_enrols->get_name(), array(1=>get_string('yes'), 0=>get_string('no'))));
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$keep_enrols->get_ui()->set_label(get_string('setting_keep_roles_and_enrolments', 'backup'));
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if ($this->get_target() != backup::TARGET_CURRENT_DELETING and $this->get_target() != backup::TARGET_EXISTING_DELETING) {
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$keep_enrols->set_value(false);
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$keep_enrols->set_status(backup_setting::LOCKED_BY_CONFIG);
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$keep_enrols->set_visibility(backup_setting::HIDDEN);
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}
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$this->add_setting($keep_enrols);
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$keep_groups = new restore_course_generic_setting('keep_groups_and_groupings', base_setting::IS_BOOLEAN, false);
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$keep_groups->set_ui(new backup_setting_ui_select($keep_groups, $keep_groups->get_name(), array(1=>get_string('yes'), 0=>get_string('no'))));
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$keep_groups->get_ui()->set_label(get_string('setting_keep_groups_and_groupings', 'backup'));
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if ($this->get_target() != backup::TARGET_CURRENT_DELETING and $this->get_target() != backup::TARGET_EXISTING_DELETING) {
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$keep_groups->set_value(false);
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$keep_groups->set_status(backup_setting::LOCKED_BY_CONFIG);
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$keep_groups->set_visibility(backup_setting::HIDDEN);
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}
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$this->add_setting($keep_groups);
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}
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}
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