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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/>.
/**
* Form class for mybackpack.php
*
* @package core
* @subpackage badges
* @copyright 2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Yuliya Bozhko <yuliya.bozhko@totaralms.com>
*/
namespace core_badges\form;
defined('MOODLE_INTERNAL') || die();
require_once($CFG->libdir . '/formslib.php');
require_once($CFG->libdir . '/badgeslib.php');
use html_writer;
use moodleform;
use stdClass;
/**
* Form to edit backpack initial details.
*
*/
class backpack extends moodleform {
/**
* Defines the form
*/
public function definition() {
global $USER, $PAGE, $OUTPUT, $CFG;
$mform = $this->_form;
$mform->addElement('html', html_writer::tag('span', '', array('class' => 'notconnected', 'id' => 'connection-error')));
$mform->addElement('header', 'backpackheader', get_string('backpackconnection', 'badges'));
$mform->addHelpButton('backpackheader', 'backpackconnection', 'badges');
$mform->addElement('hidden', 'userid', $USER->id);
$mform->setType('userid', PARAM_INT);
$sitebackpack = badges_get_site_backpack($CFG->badges_site_backpack);
if (isset($this->_customdata['email'])) {
// Email will be passed in when we're in the process of verifying the user's email address,
// so set the connection status, lock the email field, and provide options to resend the verification
// email or cancel the verification process entirely and start over.
$mform->addElement('hidden', 'backpackid', $sitebackpack->id);
$mform->setType('backpackid', PARAM_INT);
$status = html_writer::tag('span', get_string('backpackemailverificationpending', 'badges'),
array('class' => 'notconnected', 'id' => 'connection-status'));
$mform->addElement('static', 'status', get_string('status'), $status);
$mform->addElement('hidden', 'email', $this->_customdata['email']);
$mform->setType('email', PARAM_EMAIL);
$mform->hardFreeze(['email']);
$emailverify = html_writer::tag('span', s($this->_customdata['email']), []);
$mform->addElement('static', 'emailverify', get_string('email'), $emailverify);
$mform->addElement('hidden', 'backpackpassword', $this->_customdata['backpackpassword']);
$mform->setType('backpackpassword', PARAM_RAW);
$buttonarray = [];
$buttonarray[] = &$mform->createElement('submit', 'submitbutton',
get_string('backpackconnectionresendemail', 'badges'));
$buttonarray[] = &$mform->createElement('submit', 'revertbutton',
get_string('backpackconnectioncancelattempt', 'badges'));
$mform->addGroup($buttonarray, 'buttonar', '', [''], false);
$mform->closeHeaderBefore('buttonar');
} else {
// Email isn't present, so provide an input element to get it and a button to start the verification process.
$mform->addElement('static', 'info', get_string('backpackweburl', 'badges'), $sitebackpack->backpackweburl);
$mform->addElement('hidden', 'backpackid', $sitebackpack->id);
$mform->setType('backpackid', PARAM_INT);
$status = html_writer::tag('span', get_string('notconnected', 'badges'),
array('class' => 'notconnected', 'id' => 'connection-status'));
$mform->addElement('static', 'status', get_string('status'), $status);
if (badges_open_badges_backpack_api() != OPEN_BADGES_V2P1) {
$mform->addElement('text', 'email', get_string('email'), 'maxlength="100" size="30"');
$mform->addHelpButton('email', 'backpackemail', 'badges');
$mform->addRule('email', get_string('required'), 'required', null, 'client');
$mform->setType('email', PARAM_EMAIL);
if (badges_open_badges_backpack_api() == OPEN_BADGES_V2) {
$mform->addElement('passwordunmask', 'backpackpassword', get_string('password'));
$mform->setType('backpackpassword', PARAM_RAW);
} else {
$mform->addElement('hidden', 'backpackpassword', '');
$mform->setType('backpackpassword', PARAM_RAW);
}
}
$this->add_action_buttons(false, get_string('backpackconnectionconnect', 'badges'));
}
}
/**
* Validates form data
*/
public function validation($data, $files) {
global $CFG;
$errors = parent::validation($data, $files);
if (badges_open_badges_backpack_api() == OPEN_BADGES_V2P1) {
return $errors;
}
// We don't need to verify the email address if we're clearing a pending email verification attempt.
if (!isset($data['revertbutton'])) {
$check = new stdClass();
$backpack = badges_get_site_backpack($data['backpackid']);
$check->email = $data['email'];
$check->password = $data['backpackpassword'];
$check->externalbackpackid = $backpack->id;
$bp = new \core_badges\backpack_api($backpack, $check);
$result = $bp->authenticate();
if ($result === false || !empty($result->error)) {
$errors['email'] = get_string('backpackconnectionunexpectedresult', 'badges');
$msg = $bp->get_authentication_error();
if (!empty($msg)) {
$errors['email'] .= '<br/><br/>';
$errors['email'] .= get_string('backpackconnectionunexpectedmessage', 'badges', $msg);
}
}
}
return $errors;
}
}