moodle/enrol/self/externallib.php
Rajesh Taneja be9bf94e4a MDL-40126 Enrolments: Implemented two webservices to get enrolment instance info
1. core_enrol_get_course_enrolment_methods() which returns all enrolment method instances
which implement get_enrol_info()
2. enrol_self_get_instance_info() will return information about self enrolment instance.
2013-07-29 15:07:37 +08:00

101 lines
3.6 KiB
PHP

<?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/>.
/**
* Self enrol plugin external functions
*
* @package enrol_self
* @copyright 2013 Rajesh Taneja <rajesh@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once("$CFG->libdir/externallib.php");
/**
* Self enrolment external functions.
*
* @package enrol_self
* @copyright 2012 Rajesh Taneja <rajesh@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.6
*/
class enrol_self_external extends external_api {
/**
* Returns description of get_instance_info() parameters.
*
* @return external_function_parameters
*/
public static function get_instance_info_parameters() {
return new external_function_parameters(
array('instanceid' => new external_value(PARAM_INT, 'instance id of self enrolment plugin.'))
);
}
/**
* Return self-enrolment instance information.
*
* @param int $instanceid instance id of self enrolment plugin.
* @return array instance information.
*/
public static function get_instance_info($instanceid) {
global $DB, $CFG;
require_once($CFG->libdir . '/enrollib.php');
$params = self::validate_parameters(self::get_instance_info_parameters(), array('instanceid' => $instanceid));
// Retrieve self enrolment plugin.
$enrolplugin = enrol_get_plugin('self');
if (empty($enrolplugin)) {
throw new moodle_exception('invaliddata', 'error');
}
$enrolinstance = $DB->get_record('enrol', array('id' => $params['instanceid']), '*', MUST_EXIST);
$coursecontext = context_course::instance($enrolinstance->courseid);
$categorycontext = $coursecontext->get_parent_context();
self::validate_context($categorycontext);
$instanceinfo = (array) $enrolplugin->get_enrol_info($enrolinstance);
if (isset($instanceinfo['requiredparam']->enrolpassword)) {
$instanceinfo['enrolpassword'] = $instanceinfo['requiredparam']->enrolpassword;
}
unset($instanceinfo->requiredparam);
return $instanceinfo;
}
/**
* Returns description of get_instance_info() result value.
*
* @return external_description
*/
public static function get_instance_info_returns() {
return 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_RAW, 'status of enrolment plugin'),
'enrolpassword' => new external_value(PARAM_RAW, 'password required for enrolment', VALUE_OPTIONAL),
)
);
}
}