<?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/>.

/**
 * This file is part of the User section Moodle
 *
 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @package user
 */

require_once('../config.php');
require_once($CFG->libdir.'/filelib.php');

$agree = optional_param('agree', 0, PARAM_BOOL);

$url = new moodle_url('/user/policy.php');
if ($agree !== 0) {
    $url->param('agree', $agree);
}
$PAGE->set_url($url);

define('MESSAGE_WINDOW', true);  // This prevents the message window coming up

if (!isloggedin()) {
    require_login();
}

if ($agree and confirm_sesskey()) {    // User has agreed
    if (!isguestuser()) {              // Don't remember guests
        if (!$DB->set_field('user', 'policyagreed', 1, array('id'=>$USER->id))) {
            print_error('cannotsaveagreement');
        }
    }
    $USER->policyagreed = 1;

    if (!empty($SESSION->wantsurl)) {
        $wantsurl = $SESSION->wantsurl;
        unset($SESSION->wantsurl);
        redirect($wantsurl);
    } else {
        redirect($CFG->wwwroot.'/');
    }
    exit;
}

$strpolicyagree = get_string('policyagree');
$strpolicyagreement = get_string('policyagreement');
$strpolicyagreementclick = get_string('policyagreementclick');

$PAGE->set_title($strpolicyagreement);
$PAGE->set_heading($SITE->fullname);
$PAGE->navbar->add($strpolicyagreement);

echo $OUTPUT->header();
echo $OUTPUT->heading($strpolicyagreement);

$mimetype = mimeinfo('type', $CFG->sitepolicy);
if ($mimetype == 'document/unknown') {
    //fallback for missing index.php, index.html
    $mimetype = 'text/html';
}

echo '<div class="noticebox">';
echo '<object id="policyframe" data="'.$CFG->sitepolicy.'" type="'.$mimetype.'">';
// we can not use our popups here, because the url may be arbitrary, see MDL-9823
echo '<a href="'.$CFG->sitepolicy.'" onclick="this.target=\'_blank\'">'.$strpolicyagreementclick.'</a>';
echo '</object></div>';

$formcontinue = new single_button(new moodle_url('policy.php', array('agree'=>1)), get_string('yes'));
$formcancel = new single_button($CFG->wwwroot.'/login/logout.php', get_string('no'));
echo $OUTPUT->confirm($strpolicyagree, $formcontinue, $formcancel);

echo $OUTPUT->footer();

