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edit_lesson.php
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edit_lesson.php
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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/>.
/**
* Edit a lesson structure.
*
* @package mod_simplelesson
* @copyright 2021 Richard Jones https://richardnz.net
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use mod_simplelesson\local\lesson;
use mod_simplelesson\output\lesson_editing;
use mod_simplelesson\forms\edit_questions_form;
require_once('../../config.php');
global $DB;
// Fetch URL parameters.
$courseid = required_param('courseid', PARAM_INT);
$simplelessonid = required_param('simplelessonid', PARAM_INT);
$action = optional_param('action', 'none', PARAM_ALPHA);
$sequence = optional_param('sequence', 0, PARAM_INT);
// Set course related variables.
$course = $DB->get_record('course', ['id' => $courseid], '*', MUST_EXIST);
$cm = get_coursemodule_from_instance('simplelesson', $simplelessonid, $courseid, false, MUST_EXIST);
$simplelesson = $DB->get_record('simplelesson', ['id' => $cm->instance], '*', MUST_EXIST);
$moduleinstance = $DB->get_record('simplelesson', ['id' => $simplelessonid], '*', MUST_EXIST);
$PAGE->set_url('/mod/simplelesson/edit_lesson.php',
['courseid' => $courseid,
'simplelessonid' => $simplelessonid,
'sesskey' => sesskey()]);
require_login($course, true, $cm);
$coursecontext = context_course::instance($courseid);
$modulecontext = context_module::instance($cm->id);
require_capability('mod/simplelesson:manage', $modulecontext);
$PAGE->set_context($modulecontext);
$PAGE->activityheader->set_description('');
// Return here after moving pages or adding a new page.
$returnedit = new moodle_url('/mod/simplelesson/edit_lesson.php',
['courseid' => $courseid,
'simplelessonid' => $simplelessonid]);
$lesson = new lesson($simplelessonid);
$pages = $lesson->get_pages();
/*
* Check the action:
* The up and down arrows are only shown for the relevant
* sequence positions so we don't have to check that
*/
if ( ($sequence != 0) && ($action != 'none') ) {
/*
* Given a sequence number
* Move the page by exchanging sequence numbers
*
*/
if ($action == 'moveup') {
$pageup = $lesson->get_page_record($sequence);
$pagedown = $lesson->get_page_record($sequence - 1);
$up = $pageup->sequence - 1;
echo 'Pages up: ' . $pageup->id . ' seq ' . $pageup->sequence;
echo 'Pages down: ' . $pagedown->id . ' seq ' . $pagedown->sequence;
$DB->set_field('simplelesson_pages', 'sequence', $up,
['simplelessonid' => $simplelessonid, 'id' => $pageup->id]);
$down = $pagedown->sequence + 1;
$DB->set_field('simplelesson_pages', 'sequence', $down,
['simplelessonid' => $simplelessonid, 'id' => $pagedown->id]);
echo 'Pages up: ' . $pageup->id . ' seq ' . $pageup->sequence;
echo 'Pages down: ' . $pagedown->id . ' seq ' . $pagedown->sequence;
} else if ($action == 'movedown') {
$pageup = $lesson->get_page_record($sequence + 1);
$pagedown = $lesson->get_page_record($sequence);
$up = $pageup->sequence - 1;
$DB->set_field('simplelesson_pages', 'sequence', $up,
['simplelessonid' => $simplelessonid, 'id' => $pageup->id]);
$down = $pagedown->sequence + 1;
$DB->set_field('simplelesson_pages', 'sequence', $down,
['simplelessonid' => $simplelessonid, 'id' => $pagedown->id]);
}
redirect($returnedit);
}
$mform = new edit_questions_form(null, ['id' => $cm->id, 'simplelessonid' => $simplelesson->id,
'courseid' => $courseid]);
if ($data = $mform->get_data()) {
$simplelesson->categoryid = $data->categoryid;
$simplelesson->behaviour = $data->behaviour;
$DB->update_record('simplelesson', $simplelesson);
}
echo $OUTPUT->header();
echo $OUTPUT->render(new lesson_editing($courseid, $simplelessonid, $pages, $cm, $PAGE->url, $mform));
echo $OUTPUT->footer();