redirectselection.php

<?php
// This file is part of the EQUELLA module - http://git.io/vUuof
//
// 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/>.

/**
 * Generate course structure in json and POST to EQUELLA
 */
header('Content-Type:text/html;charset=UTF-8');
require_once ('../../config.php');
require_once ($CFG->dirroot . '/mod/equella/common/lib.php');
require_once ($CFG->dirroot . '/mod/equella/locallib.php');
require_login();

$equellaurl = required_param('equellaurl', PARAM_RAW);
$courseid = required_param('courseid', PARAM_INT);
$sectionid = required_param('sectionid', PARAM_INT);

$PAGE->set_context(context_system::instance());
$PAGE->set_pagelayout('embedded');
$PAGE->requires->js('/mod/equella/module.js', true);
$params = array('courseid' => $courseid,'equellaurl' => $equellaurl);
$PAGE->set_url('/mod/equella/redirectselection.php', $params);

echo $OUTPUT->header();

$contents = equella_get_course_contents($courseid, $sectionid);
$json = json_encode($contents);

$formid = 'equellaselectionform';

echo html_writer::start_tag('form', array('method' => 'post','id' => $formid,'action' => $equellaurl));
echo html_writer::empty_tag('input', array('type' => 'hidden','name' => 'structure','value' => $json));
echo html_writer::end_tag('form');

$PAGE->requires->js_init_call('M.mod_equella.submitform', array($formid), true);
echo $OUTPUT->footer();