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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 ajax requests
*
* @package assignfeedback_editpdf
* @copyright 2012 Davo Smith
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use \assignfeedback_editpdf\document_services;
use \assignfeedback_editpdf\combined_document;
use \assignfeedback_editpdf\page_editor;
use \assignfeedback_editpdf\comments_quick_list;
define('AJAX_SCRIPT', true);
require('../../../../config.php');
require_once($CFG->dirroot . '/mod/assign/locallib.php');
require_sesskey();
$action = optional_param('action', '', PARAM_ALPHANUM);
$assignmentid = required_param('assignmentid', PARAM_INT);
$userid = required_param('userid', PARAM_INT);
$attemptnumber = required_param('attemptnumber', PARAM_INT);
$readonly = optional_param('readonly', false, PARAM_BOOL);
$cm = \get_coursemodule_from_instance('assign', $assignmentid, 0, false, MUST_EXIST);
$context = \context_module::instance($cm->id);
$assignment = new \assign($context, null, null);
require_login($assignment->get_course(), false, $cm);
if (!$assignment->can_view_submission($userid)) {
print_error('nopermission');
}
if ($action === 'pollconversions') {
$draft = true;
if (!has_capability('mod/assign:grade', $context)) {
// A student always sees the readonly version.
$readonly = true;
$draft = false;
require_capability('mod/assign:submit', $context);
}
if ($readonly) {
// Whoever is viewing the readonly version should not use the drafts, but the actual annotations.
$draft = false;
}
$response = (object) [
'status' => -1,
'filecount' => 0,
'pagecount' => 0,
'pageready' => 0,
'partial' => false,
'pages' => [],
];
$combineddocument = document_services::get_combined_document_for_attempt($assignment, $userid, $attemptnumber);
$response->status = $combineddocument->get_status();
$response->filecount = $combineddocument->get_document_count();
$readystatuslist = [combined_document::STATUS_READY, combined_document::STATUS_READY_PARTIAL];
$completestatuslist = [combined_document::STATUS_COMPLETE, combined_document::STATUS_FAILED];
if (in_array($response->status, $readystatuslist)) {
$combineddocument = document_services::get_combined_pdf_for_attempt($assignment, $userid, $attemptnumber);
$response->status = $combineddocument->get_status();
$response->filecount = $combineddocument->get_document_count();
}
if (in_array($response->status, $completestatuslist)) {
$pages = document_services::get_page_images_for_attempt($assignment,
$userid,
$attemptnumber,
$readonly);
$response->pagecount = $combineddocument->get_page_count();
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
// The readonly files are stored in a different file area.
$filearea = document_services::PAGE_IMAGE_FILEAREA;
if ($readonly) {
$filearea = document_services::PAGE_IMAGE_READONLY_FILEAREA;
}
$response->partial = $combineddocument->is_partial_conversion();
foreach ($pages as $id => $pagefile) {
$index = count($response->pages);
$page = new stdClass();
$comments = page_editor::get_comments($grade->id, $index, $draft);
$page->url = moodle_url::make_pluginfile_url($context->id,
'assignfeedback_editpdf',
$filearea,
$grade->id,
'/',
$pagefile->get_filename())->out();
$page->comments = $comments;
if ($imageinfo = $pagefile->get_imageinfo()) {
$page->width = $imageinfo['width'];
$page->height = $imageinfo['height'];
} else {
$page->width = 0;
$page->height = 0;
}
$annotations = page_editor::get_annotations($grade->id, $index, $draft);
$page->annotations = $annotations;
$response->pages[] = $page;
}
$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);
$response->pageready = count($files);
}
echo json_encode($response);
die();
} else if ($action == 'savepage') {
require_capability('mod/assign:grade', $context);
$response = new stdClass();
$response->errors = array();
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
$pagejson = required_param('page', PARAM_RAW);
$page = json_decode($pagejson);
$index = required_param('index', PARAM_INT);
$added = page_editor::set_comments($grade->id, $index, $page->comments);
if ($added != count($page->comments)) {
array_push($response->errors, get_string('couldnotsavepage', 'assignfeedback_editpdf', $index+1));
}
$added = page_editor::set_annotations($grade->id, $index, $page->annotations);
if ($added != count($page->annotations)) {
array_push($response->errors, get_string('couldnotsavepage', 'assignfeedback_editpdf', $index+1));
}
echo json_encode($response);
die();
} else if ($action == 'generatepdf') {
require_capability('mod/assign:grade', $context);
$response = new stdClass();
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
$file = document_services::generate_feedback_document($assignment, $userid, $attemptnumber);
$response->url = '';
if ($file) {
$url = moodle_url::make_pluginfile_url($assignment->get_context()->id,
'assignfeedback_editpdf',
document_services::FINAL_PDF_FILEAREA,
$grade->id,
'/',
$file->get_filename(),
false);
$response->url = $url->out(true);
$response->filename = $file->get_filename();
}
echo json_encode($response);
die();
} else if ($action == 'loadquicklist') {
require_capability('mod/assign:grade', $context);
$result = comments_quick_list::get_comments();
echo json_encode($result);
die();
} else if ($action == 'addtoquicklist') {
require_capability('mod/assign:grade', $context);
$comment = required_param('commenttext', PARAM_RAW);
$width = required_param('width', PARAM_INT);
$colour = required_param('colour', PARAM_ALPHA);
$result = comments_quick_list::add_comment($comment, $width, $colour);
echo json_encode($result);
die();
} else if ($action == 'revertchanges') {
require_capability('mod/assign:grade', $context);
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
$result = page_editor::revert_drafts($gradeid);
echo json_encode($result);
die();
} else if ($action == 'removefromquicklist') {
require_capability('mod/assign:grade', $context);
$commentid = required_param('commentid', PARAM_INT);
$result = comments_quick_list::remove_comment($commentid);
echo json_encode($result);
die();
} else if ($action == 'deletefeedbackdocument') {
require_capability('mod/assign:grade', $context);
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
$result = document_services::delete_feedback_document($assignment, $userid, $attemptnumber);
$result = $result && page_editor::unrelease_drafts($grade->id);
echo json_encode($result);
die();
} else if ($action == 'rotatepage') {
require_capability('mod/assign:grade', $context);
$response = new stdClass();
$index = required_param('index', PARAM_INT);
$grade = $assignment->get_user_grade($userid, true, $attemptnumber);
$rotateleft = required_param('rotateleft', PARAM_BOOL);
$filearea = document_services::PAGE_IMAGE_FILEAREA;
$pagefile = document_services::rotate_page($assignment, $userid, $attemptnumber, $index, $rotateleft);
$page = new stdClass();
$page->url = moodle_url::make_pluginfile_url($context->id, document_services::COMPONENT, $filearea,
$grade->id, '/', $pagefile->get_filename())->out();
if ($imageinfo = $pagefile->get_imageinfo()) {
$page->width = $imageinfo['width'];
$page->height = $imageinfo['height'];
} else {
$page->width = 0;
$page->height = 0;
}
$response = (object)['page' => $page];
echo json_encode($response);
die();
}