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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/>.
/**
* Guest enrolment method external API
*
* @package enrol_guest
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.1
*/
defined('MOODLE_INTERNAL') || die;
require_once($CFG->libdir . '/externallib.php');
require_once($CFG->libdir . '/enrollib.php');
/**
* Guest enrolment method external API
*
* @package enrol_guest
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.1
*/
class enrol_guest_external extends external_api {
/**
* Returns description of get_instance_info() parameters.
*
* @return external_function_parameters
* @since Moodle 3.1
*/
public static function get_instance_info_parameters() {
return new external_function_parameters(
array('instanceid' => new external_value(PARAM_INT, 'Instance id of guest enrolment plugin.'))
);
}
/**
* Return guest enrolment instance information.
*
* @param int $instanceid instance id of guest enrolment plugin.
* @return array warnings and instance information.
* @since Moodle 3.1
*/
public static function get_instance_info($instanceid) {
global $DB;
$params = self::validate_parameters(self::get_instance_info_parameters(), array('instanceid' => $instanceid));
$warnings = array();
// Retrieve guest enrolment plugin.
$enrolplugin = enrol_get_plugin('guest');
if (empty($enrolplugin)) {
throw new moodle_exception('invaliddata', 'error');
}
self::validate_context(context_system::instance());
$enrolinstance = $DB->get_record('enrol', array('id' => $params['instanceid']), '*', MUST_EXIST);
$course = $DB->get_record('course', array('id' => $enrolinstance->courseid), '*', MUST_EXIST);
if (!core_course_category::can_view_course_info($course) && !can_access_course($course)) {
throw new moodle_exception('coursehidden');
}
$instanceinfo = $enrolplugin->get_enrol_info($enrolinstance);
// Specific instance information.
$instanceinfo->passwordrequired = $instanceinfo->requiredparam->passwordrequired;
unset($instanceinfo->requiredparam);
$result = array();
$result['instanceinfo'] = $instanceinfo;
$result['warnings'] = $warnings;
return $result;
}
/**
* Returns description of get_instance_info() result value.
*
* @return external_description
* @since Moodle 3.1
*/
public static function get_instance_info_returns() {
return new external_single_structure(
array(
'instanceinfo' => new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'Id of course enrolment instance'),
'courseid' => new external_value(PARAM_INT, 'Id of course'),
'type' => new external_value(PARAM_PLUGIN, 'Type of enrolment plugin'),
'name' => new external_value(PARAM_RAW, 'Name of enrolment plugin'),
'status' => new external_value(PARAM_BOOL, 'Is the enrolment enabled?'),
'passwordrequired' => new external_value(PARAM_BOOL, 'Is a password required?'),
)
),
'warnings' => new external_warnings()
)
);
}
}