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lib.php
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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/>.
/**
* Required and general functions used by the plugin
*
* @package turnitintooltwo
* @copyright 2013 iParadigms LLC
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once(__DIR__.'/turnitintooltwo_assignment.class.php');
require_once(__DIR__.'/turnitintooltwo_class.class.php');
require_once($CFG->libdir . "/gradelib.php");
// Constants.
define('TURNITINTOOLTWO_MAX_FILE_UPLOAD_SIZE', 104857600);
define('TURNITINTOOLTWO_DEFAULT_PSEUDO_DOMAIN', '@tiimoodle.com');
define('TURNITINTOOLTWO_DEFAULT_PSEUDO_FIRSTNAME', get_string('defaultcoursestudent'));
define('TURNITINTOOLTWO_SUBMISSION_GET_LIMIT', 100);
define('TURNITINTOOLTWO_MAX_FILENAME_LENGTH', 180);
define('TURNITIN_COURSE_TITLE_LIMIT', 300);
define('TURNITIN_ASSIGNMENT_TITLE_LIMIT', 300);
define('MIGRATION_SUBMISSIONS_CUTOFF', 1000);
define('REPORT_GEN_SPEED_NUM_RESUBMISSIONS', 3);
define('REPORT_GEN_SPEED_NUM_HOURS', 24);
// Admin Repository constants.
define('ADMIN_REPOSITORY_OPTION_STANDARD', 0);
define('ADMIN_REPOSITORY_OPTION_EXPANDED', 1);
define('ADMIN_REPOSITORY_OPTION_FORCE_STANDARD', 2);
define('ADMIN_REPOSITORY_OPTION_FORCE_NO', 3);
define('ADMIN_REPOSITORY_OPTION_FORCE_INSTITUTIONAL', 4);
// Submit Papers to Repository constants.
define('SUBMIT_TO_NO_REPOSITORY', 0);
define('SUBMIT_TO_STANDARD_REPOSITORY', 1);
define('SUBMIT_TO_INSTITUTIONAL_REPOSITORY', 2);
// For use in course migration.
/**
* Returns the integration ids and labels.
* @return array Integration ids and labels.
*/
function turnitintooltwo_get_integration_ids() {
static $tiiintegrationids = [];
if (empty($tiiintegrationids)) {
$tiiintegrationids[0] = get_string('nointegration', 'turnitintooltwo');
$tiiintegrationids[1] = 'Blackboard Basic';
$tiiintegrationids[2] = 'WebCT';
$tiiintegrationids[5] = 'Angel';
$tiiintegrationids[6] = 'Moodle Basic';
$tiiintegrationids[7] = 'eCollege';
$tiiintegrationids[8] = 'Desire2Learn';
$tiiintegrationids[9] = 'Sakai';
$tiiintegrationids[12] = 'Moodle Direct';
$tiiintegrationids[13] = 'Blackboard Direct';
$tiiintegrationids[26] = 'LTI';
}
return $tiiintegrationids;
}
/**
* Function for either adding to log or triggering an event
* depending on Moodle version
* @param int $courseid Moodle course ID
* @param string $eventname The event we are logging
* @param string $link A link to the Turnitin activity
* @param string $desc Description of the logged event
* @param int $cmid Course module id
*/
function turnitintooltwo_add_to_log($courseid, $eventname, $link, $desc, $cmid, $userid = 0) {
global $USER;
$eventname = str_replace(' ', '_', $eventname);
$eventpath = '\mod_turnitintooltwo\event\\'.$eventname;
$data = array(
'objectid' => $cmid,
'context' => ( $cmid == 0 ) ? context_course::instance($courseid) : context_module::instance($cmid),
'other' => array('desc' => $desc)
);
if (!empty($userid) && ($userid != $USER->id)) {
$data['relateduserid'] = $userid;
}
$event = $eventpath::create($data);
$event->trigger();
}
/**
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed True if module supports feature, null if doesn't know
*/
function turnitintooltwo_supports($feature) {
defined("FEATURE_SHOW_DESCRIPTION") or define("FEATURE_SHOW_DESCRIPTION", null);
switch($feature) {
case FEATURE_GROUPS:
case FEATURE_GROUPMEMBERSONLY:
case FEATURE_MOD_INTRO:
case FEATURE_COMPLETION_TRACKS_VIEWS:
case FEATURE_GRADE_HAS_GRADE:
case FEATURE_GRADE_OUTCOMES:
case FEATURE_BACKUP_MOODLE2:
case FEATURE_SHOW_DESCRIPTION:
case FEATURE_CONTROLS_GRADE_VISIBILITY:
return true;
default:
return null;
}
}
/**
* @return int the plugin version for use within the plugin.
*/
function turnitintooltwo_get_version() {
global $DB;
$version = $DB->get_record('config_plugins', array('plugin' => 'mod_turnitintooltwo', 'name' => 'version'));
return $version->value;
}
/**
* @return mixed the admin config settings for the plugin
*/
function turnitintooltwo_admin_config() {
return get_config('turnitintooltwo');
}
/**
* Log activity / errors
*
* @param string $string The string describing the activity
* @param string $activity The activity prompting the log
* e.g. PRINT_ERROR (default), API_ERROR, INCLUDE, REQUIRE_ONCE, REQUEST, REDIRECT
*/
function turnitintooltwo_activitylog($string, $activity) {
global $CFG;
static $config;
if (empty($config)) {
$config = turnitintooltwo_admin_config();
}
if ($config->enablediagnostic) {
// We only keep 10 log files, delete any additional files.
$prefix = "activitylog_";
$dirpath = $CFG->tempdir."/turnitintooltwo/logs";
if (!file_exists($dirpath)) {
mkdir($dirpath, 0777, true);
}
$dir = opendir($dirpath);
$files = array();
while ($entry = readdir($dir)) {
if (substr(basename($entry), 0, 1) != "." AND substr_count(basename($entry), $prefix) > 0) {
$files[] = basename($entry);
}
}
sort($files);
for ($i = 0; $i < count($files) - 10; $i++) {
unlink($dirpath."/".$files[$i]);
}
// Replace <br> tags with new line character.
$string = str_replace("<br/>", "\r\n", $string);
// Write to log file.
$filepath = $dirpath."/".$prefix.gmdate('Y-m-d', time()).".txt";
$file = fopen($filepath, 'a');
$output = date('Y-m-d H:i:s O')." (".$activity.")"." - ".$string."\r\n";
fwrite($file, $output);
fclose($file);
}
}
/**
* Needed for instance name update via quick update on the course home page
*
* @param stdClass $turnitintooltwo
* @param integer $userid
* @param boolean $nullifnone
*/
function turnitintooltwo_update_grades($turnitintooltwo, $userid = 0, $nullifnone = true) {
global $DB;
if ($userid != 0) {
return;
}
$turnitintooltwoassignment = new turnitintooltwo_assignment($turnitintooltwo->id);
try {
$turnitintooltwoassignment->edit_moodle_assignment(false);
} catch (Exception $e) {
turnitintooltwo_comms::handle_exceptions($e, 'turnitintooltwoupdateerror', false);
}
// Update events in the calendar.
$parts = $DB->get_records_select("turnitintooltwo_parts", " turnitintooltwoid = ? ",
array($turnitintooltwo->id), 'id ASC');
foreach ($parts as $part) {
turnitintooltwo_update_event($turnitintooltwo, $part, true);
}
}
/**
* Create/update grade item for given assignment
*
* @param object $turnitintooltwo object with extra cmidnumber (if available)
* @param mixed optional array/object of grade(s); 'reset' means reset grades in gradebook
* @return int 0 if ok, error code otherwise
*/
function turnitintooltwo_grade_item_update($turnitintooltwo, $grades = null) {
global $CFG, $DB;
@include_once($CFG->dirroot."/lib/gradelib.php");
$params = array();
$cm = get_coursemodule_from_instance("turnitintooltwo", $turnitintooltwo->id, $turnitintooltwo->course);
$params['itemname'] = $turnitintooltwo->name;
$params['idnumber'] = isset($cm->idnumber) ? $cm->idnumber : null;
$grade = (empty($turnitintooltwo->grade)) ? 0 : $turnitintooltwo->grade;
if ($grade < 0) { // If we're using a grade scale.
$params['gradetype'] = GRADE_TYPE_SCALE;
$params['scaleid'] = -$grade;
} else if ($grade > 0) { // If we are using a grade value.
$params['gradetype'] = GRADE_TYPE_VALUE;
$params['grademax'] = $grade;
$params['grademin'] = 0;
} else { // If we aren't using a grade at all.
$params['gradetype'] = GRADE_TYPE_NONE;
}
// Get the latest part, for the post date and set the default hidden value on grade item.
$lastpart = $DB->get_record('turnitintooltwo_parts', array('turnitintooltwoid' => $turnitintooltwo->id), 'max(dtpost)');
$lastpart = current((array)$lastpart);
$params['hidden'] = $lastpart;
// There should always be a $cm unless this is called on module creation.
if (!empty($cm)) {
// The value of hidden should be 1 if The Turnitin activity is visible so the post date should be used.
$params['hidden'] = ($cm->visible) ? $lastpart : 1;
}
$params['grademin'] = 0;
return grade_update('mod/turnitintooltwo', $turnitintooltwo->course, 'mod', 'turnitintooltwo',
$turnitintooltwo->id, 0, $grades, $params);
}
/**
* Given an object containing all the necessary data, (defined by the form in
* mod_form.php) these functions will create/edit a new instance and return the id
* number of the instance.
*
* @global object
* @param object $turnitintooltwo turnitintooltwo data
* @return int instance id
*/
function turnitintooltwo_add_instance($turnitintooltwo) {
turnitintooltwo_activitylog("Create tool instance - ".$turnitintooltwo->name, "REQUEST");
return turnitintooltwo_edit_instance(0, $turnitintooltwo);
}
function turnitintooltwo_update_instance($turnitintooltwo) {
turnitintooltwo_activitylog("Update tool instance - ".$turnitintooltwo->name." (".$turnitintooltwo->instance.")",
"REQUEST");
return turnitintooltwo_edit_instance($turnitintooltwo->instance, $turnitintooltwo);
}
function turnitintooltwo_edit_instance($id, $turnitintooltwo) {
global $USER;
$turnitintooltwo->name = htmlentities($turnitintooltwo->name);
$turnitintooltwoassignment = new turnitintooltwo_assignment($id, $turnitintooltwo);
if ($id == 0) {
$id = $turnitintooltwoassignment->create_moodle_assignment();
} else {
$turnitintooltwoassignment->edit_moodle_assignment();
}
if (!empty($turnitintooltwo->set_instructor_defaults)) {
$instructor = new turnitintooltwo_user($USER->id, 'Instructor');
$instructor->save_instructor_defaults($turnitintooltwo);
}
return $id;
}
/**
* Given an ID of an instance of this module, this function
* will permanently delete the instance and any data that depends on it.
*
* @param int $id turnitintooltwo instance id
* @return bool success
*/
function turnitintooltwo_delete_instance($id) {
$turnitintooltwoassignment = new turnitintooltwo_assignment($id);
return $turnitintooltwoassignment->delete_moodle_assignment($id);
}
/**
* Function called by course/reset.php when resetting moodle course, this is used to duplicate or reset a courses Turnitin
* activities. If action specified is 'NEWCLASS' we are creating a new class on Turnitin. For both actions we create new
* assignments on Turnitin and replace the turnitin ids for those parts in the database.
*
* @global object
* @param var $courseid The course ID for the course to reset
* @param string $action The action to use OLDCLASS or NEWCLASS
* @param int $renewdates The action to use new assignment dates or not.
* @return array The status array to pass to turnitintooltwo_reset_userdata
*/
function turnitintooltwo_duplicate_recycle($courseid, $action, $renewdates = null) {
set_time_limit(0);
global $DB, $USER;
$config = turnitintooltwo_admin_config();
$partsarray = array();
$error = false;
$turnitintooltwouser = new turnitintooltwo_user($USER->id, "Instructor");
$turnitintooltwouser->set_user_values_from_tii();
$instructorrubrics = $turnitintooltwouser->get_instructor_rubrics();
if (!$turnitintooltwos = $DB->get_records('turnitintooltwo', array('course' => $courseid))) {
turnitintooltwo_print_error('assigngeterror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
if (!$DB->get_record('course', array('id' => $courseid))) {
turnitintooltwo_print_error('coursegeterror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
foreach ($turnitintooltwos as $turnitintooltwo) {
if (!$parts = $DB->get_records('turnitintooltwo_parts', array('turnitintooltwoid' => $turnitintooltwo->id))) {
turnitintooltwo_print_error('partgeterror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
foreach ($parts as $part) {
$partsarray[$courseid][$turnitintooltwo->id][$part->id]['tiiassignid'] = $part->tiiassignid;
if ($action == "UNTOUCHED") {
$turnitintooltwoassignment = new turnitintooltwo_assignment($turnitintooltwo->id);
turnitintooltwo_update_event($turnitintooltwoassignment->turnitintooltwo, $part);
}
}
/* Set legacy to 0 for all TII2s so that we can have all recreated assignments on the same TII class.
Legacy is set to 1 only for migrated assignments that were migrated on
a course where there were pre-existing V2 assignments.*/
if ($action == "NEWCLASS") {
$update = new stdClass();
$update->id = $turnitintooltwo->id;
$update->legacy = 0;
if (!$DB->update_record('turnitintooltwo', $update)) {
turnitintooltwo_print_error('tii2updateerror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
} else {
turnitintooltwo_activitylog("Assignment updated (".$turnitintooltwo->id.")", "REQUEST");
}
}
}
// We don't want to go any further if Turnitin Assignments aren't going to be touched.
if ($action == "UNTOUCHED") {
return array();
}
$currentcourse = turnitintooltwo_assignment::get_course_data($courseid);
if ($action == "NEWCLASS") {
// Delete Turnitin class link.
if (!$delete = $DB->delete_records('turnitintooltwo_courses', array('courseid' => $courseid))) {
turnitintooltwo_print_error('coursedeleteerror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
$currentcourse->tii_rel_id = '';
// Create a new class to use with new parts.
$tmpassignment = new turnitintooltwo_assignment(0, '', '');
$newcourse = $tmpassignment->create_tii_course($currentcourse, $USER->id);
// Join Instructor to class.
$turnitintooltwouser->join_user_to_class($newcourse->turnitin_cid);
$currentcourse->turnitin_cid = $newcourse->turnitin_cid;
$currentcourse->turnitin_ctl = $newcourse->turnitin_ctl;
}
// Create array of all the Turnitin assignment ids.
$assignmentids = array();
foreach ($partsarray[$courseid] as $tiitoolid => $tiitool) {
foreach ($tiitool as $partid => $data) {
$assignmentids[] = $data['tiiassignid'];
}
}
// Update all the assignments and parts from Turnitin.
$turnitintooltwoassignment = new turnitintooltwo_assignment(0, '', '');
$turnitintooltwoassignment->update_assignment_from_tii($assignmentids);
// Loop through Turnitintool instances and re-create assignment on Turnitin then swap over the stored Turnitin ids.
foreach ($partsarray[$courseid] as $tiitoolid => $tiitool) {
$turnitintooltwoassignment = new turnitintooltwo_assignment($tiitoolid);
// Create new Assignment parts on Turnitin.
$i = 0;
foreach ($tiitool as $partid => $data) {
$i++;
$assignment = new TiiAssignment();
$assignment->setClassId($currentcourse->turnitin_cid);
$assignment->setAuthorOriginalityAccess($turnitintooltwoassignment->turnitintooltwo->studentreports);
// Get rubrics that are shared on the account.
$turnitinclass = new turnitintooltwo_class($courseid);
$turnitinclass->read_class_from_tii();
$rubrics = $turnitinclass->sharedrubrics;
$rubrics = $rubrics + $instructorrubrics;
$rubricid = '';
if (!empty($turnitintooltwoassignment->turnitintooltwo->rubric)) {
$rubricid = $turnitintooltwoassignment->turnitintooltwo->rubric;
}
$rubricid = (!empty($rubricid) && array_key_exists($rubricid, $rubrics)) ? $rubricid : '';
$assignment->setRubricId($rubricid);
$assignment->setSubmitPapersTo($turnitintooltwoassignment->turnitintooltwo->submitpapersto);
$assignment->setResubmissionRule($turnitintooltwoassignment->turnitintooltwo->reportgenspeed);
$assignment->setBibliographyExcluded($turnitintooltwoassignment->turnitintooltwo->excludebiblio);
$assignment->setQuotedExcluded($turnitintooltwoassignment->turnitintooltwo->excludequoted);
$assignment->setSmallMatchExclusionType($turnitintooltwoassignment->turnitintooltwo->excludetype);
$assignment->setSmallMatchExclusionThreshold((int)$turnitintooltwoassignment->turnitintooltwo->excludevalue);
if ($config->useanon) {
$assignment->setAnonymousMarking($turnitintooltwoassignment->turnitintooltwo->anon);
}
$assignment->setLateSubmissionsAllowed($turnitintooltwoassignment->turnitintooltwo->allowlate);
if ($config->repositoryoption == 1) {
$institutioncheck = 0;
if (isset($turnitintooltwoassignment->turnitintooltwo->institution_check)) {
$institutioncheck = $turnitintooltwoassignment->turnitintooltwo->institution_check;
}
$assignment->setInstitutionCheck($institutioncheck);
}
$attribute = "maxmarks".$i;
$assignment->setMaxGrade($turnitintooltwoassignment->turnitintooltwo->$attribute);
$assignment->setSubmittedDocumentsCheck($turnitintooltwoassignment->turnitintooltwo->spapercheck);
$assignment->setInternetCheck($turnitintooltwoassignment->turnitintooltwo->internetcheck);
$assignment->setPublicationsCheck($turnitintooltwoassignment->turnitintooltwo->journalcheck);
$assignment->setTranslatedMatching($turnitintooltwoassignment->turnitintooltwo->transmatch);
$assignment->setAllowNonOrSubmissions($turnitintooltwoassignment->turnitintooltwo->allownonor);
// Erater settings.
$erater = 0;
if (isset($turnitintooltwoassignment->turnitintooltwo->erater)) {
$erater = $turnitintooltwoassignment->turnitintooltwo->erater;
}
$assignment->setErater($erater);
$assignment->setEraterSpelling($turnitintooltwoassignment->turnitintooltwo->erater_spelling);
$assignment->setEraterGrammar($turnitintooltwoassignment->turnitintooltwo->erater_grammar);
$assignment->setEraterUsage($turnitintooltwoassignment->turnitintooltwo->erater_usage);
$assignment->setEraterMechanics($turnitintooltwoassignment->turnitintooltwo->erater_mechanics);
$assignment->setEraterStyle($turnitintooltwoassignment->turnitintooltwo->erater_style);
$eraterdictionary = 'en_US';
if (isset($turnitintooltwoassignment->turnitintooltwo->erater_dictionary)) {
$eraterdictionary = $turnitintooltwoassignment->turnitintooltwo->erater_dictionary;
}
$assignment->setEraterSpellingDictionary($eraterdictionary);
$eraterhandbook = 0;
if (isset($turnitintooltwoassignment->turnitintooltwo->erater_handbook)) {
$eraterhandbook = $turnitintooltwoassignment->turnitintooltwo->erater_handbook;
}
$assignment->setEraterHandbook($eraterhandbook);
// Generate the assignment dates depending on whether we are renewing them or not.
// UCL: Added in $currentcourse to turnitintooltwo_generate_part_dates() method,
$datestart = turnitintooltwo_generate_part_dates($renewdates, "start", $turnitintooltwoassignment->turnitintooltwo, $i, $currentcourse);
$datedue = turnitintooltwo_generate_part_dates($renewdates, "due", $turnitintooltwoassignment->turnitintooltwo, $i, $currentcourse);
$datepost = turnitintooltwo_generate_part_dates($renewdates, "post", $turnitintooltwoassignment->turnitintooltwo, $i, $currentcourse);
$assignment->setStartDate($datestart);
$assignment->setDueDate($datedue);
$assignment->setFeedbackReleaseDate($datepost);
$attribute = "partname".$i;
$tiititle = $turnitintooltwoassignment->turnitintooltwo->name." ".$turnitintooltwoassignment->turnitintooltwo->$attribute;
$tiititle = $turnitintooltwoassignment->truncate_title( $tiititle, TURNITIN_ASSIGNMENT_TITLE_LIMIT, 'TT' );
$assignment->setTitle( $tiititle );
$partassignid = $turnitintooltwoassignment->create_tii_assignment($assignment,
$turnitintooltwoassignment->turnitintooltwo->id, $i);
if (empty($partassignid)) {
turnitintooltwo_activitylog("Moodle Assignment could not be created (".$tiitoolid.") - ".
$turnitintooltwoassignment->turnitintooltwo->name , "REQUEST");
$error = true;
}
$part = new stdClass();
$part->id = $partid;
$part->tiiassignid = $partassignid;
$part->turnitintooltwoid = $turnitintooltwoassignment->turnitintooltwo->id;
$part->partname = $turnitintooltwoassignment->turnitintooltwo->$attribute;
$part->deleted = 0;
$part->maxmarks = $assignment->getMaxGrade();
$part->dtstart = strtotime($assignment->getStartDate());
$part->dtdue = strtotime($assignment->getDueDate());
$part->dtpost = strtotime($assignment->getFeedbackReleaseDate());
$part->unanon = 0;
$part->submitted = 0;
turnitintooltwo_reset_part_update($part, $i);
turnitintooltwo_update_event($turnitintooltwoassignment->turnitintooltwo, $part);
if (!$DB->delete_records('turnitintooltwo_submissions', array('submission_part' => $partid))) {
turnitintooltwo_print_error('submissiondeleteerror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
}
}
$datastr = ($action == "NEWCLASS") ? 'copyassigndata' : 'replaceassigndata';
$item = get_string($datastr, 'turnitintooltwo');
$status[] = array('component' => get_string('modulenameplural', 'turnitintooltwo'), 'item' => $item, 'error' => $error);
return $status;
}
/**
* Function called by turnitintooltwo_duplicate_recycle to generate part dates during the course reset process.
*
* @param int $renewdates Determines whether to use new dates or existing dates.
* @param string $datetype "start", "due" or "post" - Determines the kind of date we need to return.
* @param object $part The assignment in which we need dates for.
* @param int The counter used during the part creation.
* @param stdClass|null $currentcourse - UCL - Added variable for course
* @return int A timestamp for the date we requested.
*/
function turnitintooltwo_generate_part_dates($renewdates, $datetype, $part, $i, $currentcourse = null) {
if ($renewdates) {
switch ($datetype) {
case 'start':
// UCL: Changed start date to use course start date, instead of current date.
if (!is_null($currentcourse)) {
return gmdate("Y-m-d\TH:i:s\Z", $currentcourse->startdate);
} else {
return gmdate("Y-m-d\TH:i:s\Z", time());
}
case 'due':
case 'post':
// UCL: Changed post/due dates to use course end date, instead of current date.
if (!empty($currentcourse->startdate)) {
if (!empty($currentcourse->enddate)) {
// Using course end date
$enddate = $currentcourse->enddate;
} else {
// Course end date is empty, add one week to start date
$enddate = $currentcourse->startdate + (7 * 24 * 60 * 60);
}
// Make sure the end date used is in the future
if ($enddate < time()) {
$enddate = strtotime("+1 week");
}
return gmdate("Y-m-d\TH:i:s\Z", $enddate);
} else {
return gmdate("Y-m-d\TH:i:s\Z", strtotime("+1 week"));
}
default:
return NULL;
}
} else {
$attribute = "dt".$datetype.$i;
return gmdate("Y-m-d\TH:i:s\Z", $part->$attribute);
}
}
/**
* Function called by turnitintooltwo_duplicate_recycle to update a part during the course reset process.
*
* @param object $part The part data that we are updating.
* @param int $i The counter used during the part creation.
*/
function turnitintooltwo_reset_part_update($part, $i) {
global $DB;
if (!$DB->update_record('turnitintooltwo_parts', $part)) {
turnitintooltwo_print_error('partupdateerror', 'turnitintooltwo', null, $i, __FILE__, __LINE__);
exit();
} else {
turnitintooltwo_activitylog("Moodle Assignment part updated (".$part->id.")", "REQUEST");
}
}
/**
* Function called by course/reset.php when resetting moodle course to actually reset / recycle the data
*
* @param object $data The data object passed by course reset
* @return array The Result of the turnitintooltwo_duplicate_recycle call
*/
function turnitintooltwo_reset_userdata($data) {
$renewdates = isset($data->renew_assignment_dates) ? 1 : null;
$action = 'UNTOUCHED';
switch ($data->reset_turnitintooltwo) {
case 0:
$action = 'NEWCLASS';
break;
case 1:
$action = 'OLDCLASS';
break;
}
$status = turnitintooltwo_duplicate_recycle($data->courseid, $action, $renewdates);
return $status;
}
/**
* Function called by course/reset.php when resetting moodle course to reset / recycle the course data using default values
*
* @param object $course The course object passed by moodle
* @return array The result array
*/
function turnitintooltwo_reset_course_form_defaults($course) {
return array('reset_turnitintooltwo' => 0);
}
/**
* Function called by course/reset.php when resetting moodle course to build the element for the reset form
*
* @param object $mform The mod form object passed by reference by course reset
*/
function turnitintooltwo_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'turnitintooltwoheader', get_string('modulenamewithv2plural', 'turnitintooltwo'));
$options = array(
'0' => get_string('turnitintooltworesetdata0', 'turnitintooltwo'),
'1' => get_string('turnitintooltworesetdata1', 'turnitintooltwo'),
'2' => get_string('turnitintooltworesetdata2', 'turnitintooltwo')
);
$mform->addElement('select', 'reset_turnitintooltwo', get_string('selectoption', 'turnitintooltwo'), $options);
// Renew dates.
$mform->addElement('checkbox', 'renew_assignment_dates', get_string('renew_assignment_dates', 'turnitintooltwo'));
$mform->addHelpButton('renew_assignment_dates', 'renew_assignment_dates', 'turnitintooltwo');
$mform->setDefault('renew_assignment_dates', true);
}
/**
* A Standard Moodle function that moodle executes at the time the cron runs
*/
function turnitintooltwo_cron() {
global $DB, $CFG, $tiitaskcall;
// 2.7 onwards we would like to be called from task calls.
if ( $CFG->version > 2014051200 && !$tiitaskcall ) {
mtrace(get_string('crontaskmodeactive', 'turnitintooltwo'));
return;
}
// Reset task call flag.
if ($tiitaskcall) {
$tiitaskcall = false;
}
// Update gradebook when a part has been deleted.
// Get assignment that needs updating and check whether it exists.
if ($assignment = $DB->get_record('turnitintooltwo', array("needs_updating" => 1), '*', IGNORE_MULTIPLE)) {
// Update the gradebook.
$task = "needsupdating";
turnitintooltwo_cron_update_gradbook($assignment, $task);
}
// Send grades to the gradebook for anonymous marking assignments when the post date has passed.
// Get a list of assignments that need updating.
if ($assignmentlist = $DB->get_records_sql("SELECT DISTINCT(t.id) FROM {turnitintooltwo} t
LEFT JOIN {turnitintooltwo_parts} p ON (p.turnitintooltwoid = t.id)
WHERE (p.turnitintooltwoid + p.dtpost IN
(SELECT p2.turnitintooltwoid + MAX(p2.dtpost)
FROM {turnitintooltwo_parts} p2
GROUP BY p2.turnitintooltwoid))
AND t.anon = 1 AND t.anongradebook = 0 AND p.dtpost < ".time())) {
// Update each assignment.
$task = "anongradebook";
foreach ($assignmentlist as $assignment) {
turnitintooltwo_cron_update_gradbook($assignment, $task);
}
}
// Refresh the submissions for migrated assignment parts if there are none stored locally
// as the 1st time this is done can be quite a long job if there are a lot of submissions.
$migratedemptyparts = $DB->get_records_select('turnitintooltwo_parts', " migrated = 1 AND ".
" (SELECT COUNT(id) FROM {turnitintooltwo_submissions} ".
" WHERE submission_part = {turnitintooltwo_parts}.id) = 0 ");
if (count($migratedemptyparts) > 0) {
$updatedassignments = array();
foreach ($migratedemptyparts as $part) {
if (!array_search($part->id, $updatedassignments)) {
$cm = get_coursemodule_from_instance("turnitintooltwo", $part->turnitintooltwoid);
$turnitintooltwoassignment = new turnitintooltwo_assignment($part->turnitintooltwoid);
$turnitintooltwoassignment->get_submission_ids_from_tii($part);
$turnitintooltwoassignment->refresh_submissions($cm, $part);
$updatedassignments[] = $part->id;
turnitintooltwo_activitylog('Turnitintool submissions downloaded for assignment '.$part->id, 'REQUEST');
}
}
echo 'Turnitintool submissions downloaded for assignments: '.implode(',', $updatedassignments).' ';
}
// Perform gradebook migrations for submissions that were not actioned during the migration tool.
turnitintooltwo_cron_migrate_gradebook();
}
/**
* Migrate the gradebook for submissions which were not migrated during the migration tool.
*/
function turnitintooltwo_cron_migrate_gradebook() {
global $DB;
// Get a list of assignments with outstanding gradebook migrations.
require_once(__DIR__.'/classes/v1migration/v1migration.php');
$sql = "migrate_gradebook = 1 GROUP BY turnitintooltwoid";
$assignments = $DB->get_records_select("turnitintooltwo_submissions", $sql, NULL, 'turnitintooltwoid', "turnitintooltwoid, count(turnitintooltwoid) AS numsubmissions");
$numsubmissions = 0;
foreach ($assignments as $assignment) {
// We will break out unless the number of submissions migrated + to be migrated is MIGRATION_SUBMISSIONS_CUTOFF or less.
if (($numsubmissions + $assignment->numsubmissions) <= MIGRATION_SUBMISSIONS_CUTOFF ||
(($numsubmissions == 0) && ($assignment->numsubmissions > MIGRATION_SUBMISSIONS_CUTOFF))) {
$numsubmissions += $assignment->numsubmissions;
// Get the course ID.
$courseid = $DB->get_field('turnitintooltwo', 'course', array('id' => $assignment->turnitintooltwoid));
// Get a TII assignment ID on this assignment so we can link back to V1.
$sql = "turnitintooltwoid = " . $assignment->turnitintooltwoid . " LIMIT 1";
$tiiid = $DB->get_field_select('turnitintooltwo_parts', 'tiiassignid', $sql);
// Get a V1 part belonging to this assignment.
$sql = "tiiassignid = " . $tiiid . " LIMIT 1";
$turnitintoolid = $DB->get_field_select('turnitintool_parts', 'turnitintoolid', $sql);
$gradeupdates = v1migration::migrate_gradebook($assignment->turnitintooltwoid, $turnitintoolid, $courseid, "cron");
// If we have migrated, update the titles.
if ($gradeupdates == "migrated") {
// Get the V1 assignment.
$v1assignment = $DB->get_record('turnitintool', array("id" => $turnitintoolid));
// Perform post-migration tasks.
$v1migration = new v1migration($courseid, $v1assignment);
$v1migration->post_migration($assignment->turnitintooltwoid);
}
} else {
break;
}
}
}
/**
* Update the gradebook for cron calls.
*
* @param type $assignment The assignment that we are going to update the grades for.
* @param string $task The cron task we are performing the update from.
*/
function turnitintooltwo_cron_update_gradbook($assignment, $task) {
global $DB, $CFG;
@include_once($CFG->dirroot."/lib/gradelib.php");
$turnitintooltwoassignment = new turnitintooltwo_assignment($assignment->id);
$cm = get_coursemodule_from_instance("turnitintooltwo", $turnitintooltwoassignment->turnitintooltwo->id,
$turnitintooltwoassignment->turnitintooltwo->course);
if ($cm) {
$users = get_enrolled_users(context_module::instance($cm->id),
'mod/turnitintooltwo:submit', groups_get_activity_group($cm), 'u.id');
foreach ($users as $user) {
$fieldlist = array('turnitintooltwoid' => $turnitintooltwoassignment->turnitintooltwo->id,
'userid' => $user->id);
// Set submission_unanon when needsupdating is used.
if ($task == "needsupdating") {
$fieldlist['submission_unanon'] = 1;
}
$grades = new stdClass();
if ($submissions = $DB->get_records('turnitintooltwo_submissions', $fieldlist)) {
$overallgrade = $turnitintooltwoassignment->get_overall_grade($submissions, $cm);
if ($turnitintooltwoassignment->turnitintooltwo->grade < 0) {
// Using a scale.
$grades->rawgrade = ($overallgrade == '--') ? null : $overallgrade;
} else {
$grades->rawgrade = ($overallgrade == '--') ? null : number_format($overallgrade, 2);
}
}
$grades->userid = $user->id;
$params['idnumber'] = $cm->idnumber;
grade_update('mod/turnitintooltwo', $turnitintooltwoassignment->turnitintooltwo->course, 'mod',
'turnitintooltwo', $turnitintooltwoassignment->turnitintooltwo->id, 0, $grades, $params);
}
// Remove the "anongradebook" flag.
$updateassignment = new stdClass();
$updateassignment->id = $assignment->id;
// Depending on the task we need to update a different column.
switch($task) {
case "needsupdating":
$updateassignment->needs_updating = 0;
break;
case "anongradebook":
$updateassignment->anongradebook = 1;
break;
}
$DB->update_record("turnitintooltwo", $updateassignment);
}
}
/**
* Abstracted version of throw new moodle_exception() - formerly print_error()
*
* @param string $input The error string if module = null otherwise the language string called by get_string()
* @param string $module The module string
* @param string $param The parameter to send to use as the $a optional object in get_string()
* @param string $file The file where the error occured
* @param string $line The line number where the error occured
*/
function turnitintooltwo_print_error($input, $module = 'turnitintooltwo',
$link = null, $param = null, $file = __FILE__, $line = __LINE__) {
global $CFG;
turnitintooltwo_activitylog($input, "PRINT_ERROR");
$message = (is_null($module)) ? $input : get_string($input, $module, $param);
$linkid = optional_param('id', 0, PARAM_INT);
if (is_null($link) AND substr_count($_SERVER["PHP_SELF"], "turnitintooltwo/view.php") > 0) {
$link = (!empty($linkid)) ? $CFG->wwwroot.'/mod/turnitintooltwo/view.php?id='.$linkid : $CFG->wwwroot;
}
if (basename($file) != "lib.php") {
$message .= ' ('.basename($file).' | '.$line.')';
}
throw new moodle_exception($input, 'turnitintooltwo', $link, $message);
exit();
}
/**
* Outputs the file type array for acceptable file type uploads
*
* @param boolean $setup True if the call is from the assignment activity setup screen
* @param array The array of filetypes ready for the modform parameter
*/
function turnitintooltwo_filetype_array($setup = true) {
$output = array(
1 => get_string('fileupload', 'turnitintooltwo'),
2 => get_string('textsubmission', 'turnitintooltwo')
);
if ($setup) {
$output[0] = get_string('anytype', 'turnitintooltwo');
}
ksort($output);
return $output;
}
/**
* Creates a temp file for submission to Turnitin, uses a random number suffixed with the stored filename
*
* @param array $filename Used to build a more readable filename
* @param string $suffix The file extension for the upload
* @return string $file The filepath of the temp file
*/
function turnitintooltwo_tempfile(array $filename, $suffix) {
$filename = implode('_', $filename);
$filename = str_replace(' ', '_', $filename);
$filename = clean_param(strip_tags($filename), PARAM_FILE);
$tempdir = make_temp_directory('turnitintooltwo');
// Get the file extension (if there is one).
$pathparts = explode('.', $suffix);
$ext = '';
if (count($pathparts) > 1) {
$ext = '.' . array_pop($pathparts);
}
$permittedstrlength = TURNITINTOOLTWO_MAX_FILENAME_LENGTH - mb_strlen($tempdir.DIRECTORY_SEPARATOR, 'UTF-8');
$extlength = mb_strlen('_' . mt_getrandmax() . $ext, 'UTF-8');
if ($extlength > $permittedstrlength) {
// Someone has likely used a filename with an absurdly long extension, or the
// tempdir path is huge, so preserve the extension as much as possible.
$extlength = $permittedstrlength;
}
// Deal with characters which cause problems on some environments.
$filename = iconv('UTF-8', 'us-ascii//TRANSLIT//IGNORE', $filename);
// Shorten the filename as needed, taking the extension into consideration.
$permittedstrlength -= $extlength;
$filename = mb_substr($filename, 0, $permittedstrlength, 'UTF-8');
// Ensure the filename doesn't have any characters that are invalid for the fs.
$filename = clean_param($filename . mb_substr('_' . mt_rand() . $ext, 0, $extlength, 'UTF-8'), PARAM_FILE);
$tries = 0;
do {
if ($tries == 10) {
throw new invalid_dataroot_permissions("turnitintooltwo temporary file cannot be created.");
}
$tries++;
$file = $tempdir . DIRECTORY_SEPARATOR . $filename;
} while ( !touch($file) );
return $file;
}
/**
* Gets the assignments from a specified course from Turnitin
*
* @param int $courseid the id of the course/class in Turnitin
* @param str $returnformat the format we are returning data in
* @return array of data in a datatables readable format
*/
function turnitintooltwo_get_assignments_from_tii($courseid, $returnformat = "json") {
global $DB;
$return = array();
if ($returnformat == "json") {
$return["aaData"] = array();
}
$turnitincomms = new turnitintooltwo_comms();
$turnitincall = $turnitincomms->initialise_api();
$assignment = new TiiAssignment();
$assignment->setClassId($courseid);
$assignmentids = array();
try {
$response = $turnitincall->findAssignments( $assignment );
$findassignment = $response->getAssignment();
$assignmentids = $findassignment->getAssignmentIds();
} catch (Exception $e) {
$turnitincomms->handle_exceptions($e, 'getassignmenterror', false);
}
$assignment = new TiiAssignment();
$assignment->setAssignmentIds($assignmentids);
$currentassignments = array();
if (count($assignmentids) > 0) {
list($insql, $inparams) = $DB->get_in_or_equal($assignmentids);
$currentassignments['TT'] = $DB->get_records_select("turnitintooltwo_parts",
" tiiassignid ".$insql, $inparams, '', 'tiiassignid');
$dbman = $DB->get_manager();
if ($dbman->table_exists('plagiarism_turnitin_config')) {
$currentassignments['PP'] = $DB->get_records_select("plagiarism_turnitin_config", " name = 'turnitin_assignid' ".
" AND value ".$insql, $inparams, '', 'value');
} else {
$currentassignments['PP'] = array();
}
}
try {
$response = $turnitincall->readAssignments( $assignment );
$readassignments = $response->getAssignments();
foreach ($readassignments as $readassignment) {
if (empty($currentassignments['TT'][$readassignment->getAssignmentId()]) &&