Proyectos de Subversion Moodle

<?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/>.

namespace core_grades\external;

use core_user_external;

use core_external\external_api;

use core_external\external_function_parameters;

use core_external\external_multiple_structure;

use core_external\external_single_structure;

use core_external\external_value;

use core_external\external_warnings;

use core_external\restricted_context_exception;

use user_picture;

defined('MOODLE_INTERNAL') || die;

require_once($CFG->dirroot.'/grade/lib.php');

require_once($CFG->dirroot .'/user/externallib.php');

/**

 * Get the enrolled users within and map some fields to the returned array of user objects.

 *

 * @package    core_grades

 * @copyright  2022 Mihail Geshoski <mihail@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @since      Moodle 4.2

 */

class get_enrolled_users_for_selector extends external_api {

    /**

     * Returns description of method parameters.

     *

     * @return external_function_parameters

     */

    public static function execute_parameters(): external_function_parameters {

        return new external_function_parameters (

            [

                'courseid' => new external_value(PARAM_INT, 'Course Id', VALUE_REQUIRED),

                'groupid' => new external_value(PARAM_INT, 'Group Id', VALUE_DEFAULT, 0)

            ]

        );

    }

    /**

     * Given a course ID find the enrolled users within and map some fields to the returned array of user objects.

     *

     * @param int $courseid

     * @param int|null $groupid

     * @return array Users and warnings to pass back to the calling widget.

     * @throws coding_exception

     * @throws invalid_parameter_exception

     * @throws moodle_exception

     * @throws restricted_context_exception

     */

    public static function execute(int $courseid, ?int $groupid = 0): array {

        global $DB, $PAGE;

        $params = self::validate_parameters(

            self::execute_parameters(),

            [

                'courseid' => $courseid,

                'groupid' => $groupid

            ]

        );

        $warnings = [];

        $coursecontext = \context_course::instance($params['courseid']);

        parent::validate_context($coursecontext);

        require_capability('moodle/course:viewparticipants', $coursecontext);

        $course = $DB->get_record('course', ['id' => $params['courseid']]);

        // Create a graded_users_iterator because it will properly check the groups etc.

        $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol);

        $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol);

        $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $coursecontext);

        $gui = new \graded_users_iterator($course, null, $params['groupid']);

        $gui->require_active_enrolment($showonlyactiveenrol);

        $gui->init();

        $users = [];

        while ($userdata = $gui->next_user()) {

            $user = $userdata->user;

            $user->fullname = fullname($user);

            $userpicture = new user_picture($user);

            $userpicture->size = 1;

            $user->profileimageurl = $userpicture->get_url($PAGE)->out(false);

            $userpicture->size = 0; // Size f2.

            $user->profileimageurlsmall = $userpicture->get_url($PAGE)->out(false);

            $users[] = $user;

        }

        $gui->close();

        return [

            'users' => $users,

            'warnings' => $warnings,

        ];

    }

    /**

     * Returns description of method result value.

     *

     * @return external_single_structure

     */

    public static function execute_returns(): external_single_structure {

        return new external_single_structure([

            'users' => new external_multiple_structure(core_user_external::user_description()),

            'warnings' => new external_warnings(),

        ]);

    }

}