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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/>.
/**
* Process concurrent ajax request.
* ALL RETURNED INFO IS PUBLIC.
*
* @package assignfeedback_editpdf
* @copyright 2013 Jerome Mouneyrac
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('AJAX_SCRIPT', true);
// To be able to process concurrent ajax request with the generate pdf ajax request we can not use cookie.
define('NO_MOODLE_COOKIES', true);
use \assignfeedback_editpdf\document_services;
require_once('../../../../config.php');
try {
$assignmentid = required_param('assignmentid', PARAM_INT);
$userid = required_param('userid', PARAM_INT);
$attemptnumber = required_param('attemptnumber', PARAM_INT);
// Retrieve the assignments.
require_once($CFG->dirroot . '/mod/assign/locallib.php');
$cm = get_coursemodule_from_instance('assign', $assignmentid, 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
$assignment = new assign($context, null, null);
// Get the generated images from file API call.
$grade = $assignment->get_user_grade($userid, false, $attemptnumber);
// Check we found a grade.
if (empty($grade)) {
throw new coding_exception('grade not found');
}
// No need to handle the readonly files here, the should be already generated.
$component = 'assignfeedback_editpdf';
$filearea = document_services::PAGE_IMAGE_FILEAREA;
$filepath = '/';
$fs = get_file_storage();
$files = $fs->get_directory_files($context->id, $component, $filearea, $grade->id, $filepath);
// The important security part: we ONLY RETURN the total NUMBER of generated images.
echo $OUTPUT->header();
echo json_encode(count($files));
echo $OUTPUT->footer();
} catch (Exception $e) {
// This should never happened!
// Return a 500 HTTP header so Y.io gets it as a failure.
if (substr(php_sapi_name(), 0, 3) == 'cgi') {
header("Status: 500 Internal Server Error");
} else {
header('HTTP/1.0 500 Internal Server Error');
}
throw new moodle_exception('An exception was caught but can not be returned for security purpose.
To easily debug, comment the try catch.');
}