moodle/mod/workshop/classes/external.php

130 lines
4.4 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/>.
/**
* Workshop external API
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
use mod_workshop\external\workshop_summary_exporter;
/**
* Workshop external functions
*
* @package mod_workshop
* @category external
* @copyright 2017 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.4
*/
class mod_workshop_external extends external_api {
/**
* Describes the parameters for get_workshops_by_courses.
*
* @return external_function_parameters
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_parameters() {
return new external_function_parameters (
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'Course id'), 'Array of course ids', VALUE_DEFAULT, array()
),
)
);
}
/**
* Returns a list of workshops in a provided list of courses.
* If no list is provided all workshops that the user can view will be returned.
*
* @param array $courseids course ids
* @return array of warnings and workshops
* @since Moodle 3.4
*/
public static function get_workshops_by_courses($courseids = array()) {
global $PAGE;
$warnings = array();
$returnedworkshops = array();
$params = array(
'courseids' => $courseids,
);
$params = self::validate_parameters(self::get_workshops_by_courses_parameters(), $params);
$mycourses = array();
if (empty($params['courseids'])) {
$mycourses = enrol_get_my_courses();
$params['courseids'] = array_keys($mycourses);
}
// Ensure there are courseids to loop through.
if (!empty($params['courseids'])) {
list($courses, $warnings) = external_util::validate_courses($params['courseids'], $mycourses);
$output = $PAGE->get_renderer('core');
// Get the workshops in this course, this function checks users visibility permissions.
// We can avoid then additional validate_context calls.
$workshops = get_all_instances_in_courses("workshop", $courses);
foreach ($workshops as $workshop) {
$context = context_module::instance($workshop->coursemodule);
// Remove fields that are not from the workshop (added by get_all_instances_in_courses).
unset($workshop->coursemodule, $workshop->context, $workshop->visible, $workshop->section, $workshop->groupmode,
$workshop->groupingid);
$exporter = new workshop_summary_exporter($workshop, array('context' => $context));
$returnedworkshops[] = $exporter->export($output);
}
}
$result = array(
'workshops' => $returnedworkshops,
'warnings' => $warnings
);
return $result;
}
/**
* Describes the get_workshops_by_courses return value.
*
* @return external_single_structure
* @since Moodle 3.4
*/
public static function get_workshops_by_courses_returns() {
return new external_single_structure(
array(
'workshops' => new external_multiple_structure(
workshop_summary_exporter::get_read_structure()
),
'warnings' => new external_warnings(),
)
);
}
}