uploadFile.php

<?php
// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.

/**
 * uploadFile.php - Will be used to manually upload a file to the TomaGrade system if user wishes.
 *
 * @package    plagiarism_tomagrade
 * @subpackage plagiarism
 * @copyright  2021 Tomax ltd <roy@tomax.co.il>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */


require_once(dirname(dirname(__FILE__)) . '/../config.php');
global $CFG, $DB, $USER;
require_once($CFG->libdir . '/adminlib.php');
require_once($CFG->libdir . '/plagiarismlib.php');
require_once($CFG->dirroot . '/plagiarism/tomagrade/lib.php');
require_once($CFG->dirroot . '/plagiarism/tomagrade/plagiarism_form.php');
require_login();

$cmid = required_param('cmid', PARAM_INT);

$studentid = optional_param('studentid', null, PARAM_INT);
$groupid = optional_param('groupid', null, PARAM_INT);
$filehash = optional_param('filehash', '' ,PARAM_RAW);

$connection = new tomagrade_connection;
$connection->do_login();
$contextid = context_module::instance($cmid)->id;

if (!is_null($studentid)) {
    $data = $DB->get_record("plagiarism_tomagrade", array("cmid" => $cmid, "userid" => $studentid));
} else if (!is_null($groupid)) {
    $data = $DB->get_record("plagiarism_tomagrade", array("cmid" => $cmid, "groupid" => $groupid));
}
if (!isset($data) || is_null($data) || $data == false) {
    $record = $DB->get_record("plagiarism_tomagrade", array("cmid" => $cmid, "filehash" => $groupid));
    if (!isset($record) || is_null($record) || $record == false) {
        \core\notification::error(get_string('error_filehash' , 'plagiarism_tomagrade'));
        echo "<script>window.close();</script>";
    }
    $data = new stdClass();
    $data->cmid = $cmid;
    $data->filehash = $filehash;

    $fs = get_file_storage();
    $file = $fs->get_file_by_hash($data->filehash);

    $data->userid = $file->get_userid();

}

$connection->upload_exam($contextid, $data);
echo "<script>window.close();</script>";