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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Process concurrent ajax request.
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* ALL RETURNED INFO IS PUBLIC.
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*
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* @package assignfeedback_editpdf
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* @copyright 2013 Jerome Mouneyrac
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define('AJAX_SCRIPT', true);
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// To be able to process concurrent ajax request with the generate pdf ajax request we can not use cookie.
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define('NO_MOODLE_COOKIES', true);
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use \assignfeedback_editpdf\document_services;
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require_once('../../../../config.php');
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try {
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$assignmentid = required_param('assignmentid', PARAM_INT);
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$userid = required_param('userid', PARAM_INT);
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$attemptnumber = required_param('attemptnumber', PARAM_INT);
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// Retrieve the assignments.
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require_once($CFG->dirroot . '/mod/assign/locallib.php');
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$cm = get_coursemodule_from_instance('assign', $assignmentid, 0, false, MUST_EXIST);
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$context = context_module::instance($cm->id);
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$assignment = new assign($context, null, null);
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// Get the generated images from file API call.
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$grade = $assignment->get_user_grade($userid, false, $attemptnumber);
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// Check we found a grade.
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if (empty($grade)) {
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throw new coding_exception('grade not found');
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}
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// No need to handle the readonly files here, the should be already generated.
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$component = 'assignfeedback_editpdf';
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$filearea = document_services::PAGE_IMAGE_FILEAREA;
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$filepath = '/';
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$fs = get_file_storage();
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$files = $fs->get_directory_files($context->id, $component, $filearea, $grade->id, $filepath);
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// The important security part: we ONLY RETURN the total NUMBER of generated images.
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echo $OUTPUT->header();
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echo json_encode(count($files));
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echo $OUTPUT->footer();
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} catch (Exception $e) {
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// This should never happened!
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// Return a 500 HTTP header so Y.io gets it as a failure.
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if (substr(php_sapi_name(), 0, 3) == 'cgi') {
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header("Status: 500 Internal Server Error");
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} else {
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header('HTTP/1.0 500 Internal Server Error');
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}
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throw new moodle_exception('An exception was caught but can not be returned for security purpose.
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To easily debug, comment the try catch.');
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}
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