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lib.php
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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
*/
require_once(__DIR__.'/turnitintooltwo_assignment.class.php');
require_once(__DIR__.'/turnitintooltwo_class.class.php');
// Constants.
define('TURNITINTOOLTWO_MAX_FILE_UPLOAD_SIZE', 41943040);
define('TURNITINTOOLTWO_DEFAULT_PSEUDO_DOMAIN', '@tiimoodle.com');
define('TURNITINTOOLTWO_SUBMISSION_GET_LIMIT', 100);
define('TURNITINTOOLTWO_MAX_FILENAME_LENGTH', 180);
// For use in course migration.
$tiiintegrationids = array(0 => get_string('nointegration', 'turnitintooltwo'), 1 => 'Blackboard Basic',
2 => 'WebCT', 5 => 'Angel', 6 => 'Moodle Basic', 7 => 'eCollege', 8 => 'Desire2Learn',
9 => 'Sakai', 12 => 'Moodle Direct', 13 => 'Blackboard Direct');
/**
* Function for either adding to log or triggering an event
* depending on Moodle version
* @param int $courseid Moodle course ID
* @param string $event_name 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, $event_name, $link, $desc, $cmid, $userid = 0) {
global $CFG, $USER;
if ( ( property_exists( $CFG, 'branch' ) AND ( $CFG->branch < 27 ) ) || ( !property_exists( $CFG, 'branch' ) ) ) {
add_to_log($courseid, "turnitintooltwo", $event_name, $link, $desc, $cmid);
} else {
$event_name = str_replace(' ', '_', $event_name);
$event_path = '\mod_turnitintooltwo\event\\'.$event_name;
$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 = $event_path::create($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:
return true;
case FEATURE_GROUPMEMBERSONLY:
return true;
case FEATURE_MOD_INTRO:
return true;
case FEATURE_COMPLETION_TRACKS_VIEWS:
return true;
case FEATURE_GRADE_HAS_GRADE:
return true;
case FEATURE_GRADE_OUTCOMES:
return true;
case FEATURE_BACKUP_MOODLE2:
return true;
case FEATURE_SHOW_DESCRIPTION:
return true;
default:
return null;
}
}
/**
* @return int the plugin version for use within the plugin.
*/
function turnitintooltwo_get_version() {
global $DB, $CFG;
$plugin_version = '';
if ($CFG->branch >= 26) {
$module = $DB->get_record('config_plugins', array('plugin' => 'mod_turnitintooltwo', 'name' => 'version'));
$plugin_version = $module->value;
} else {
$module = $DB->get_record('modules', array('name' => 'turnitintooltwo'));
$plugin_version = $module->version;
}
return $plugin_version;
}
/**
* @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]);
}
// 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, $USER, $CFG;
$turnitintooltwoassignment = new turnitintooltwo_assignment($turnitintooltwo->id);
try {
$turnitintooltwoassignment->edit_moodle_assignment(false);
} catch (Exception $e) {
//Ignore the exception.
}
// Update events in the calendar.
$parts = $DB->get_records_select("turnitintooltwo_parts", " turnitintooltwoid = ? ",
array($turnitintooltwo->id), 'id ASC');
foreach ($parts as $part) {
$dbselect = " modulename = ? AND instance = ? AND courseid = ? AND name LIKE ? ";
// Moodle pre 2.5 on SQL Server errors here as queries weren't allowed on ntext fields, the relevant fields
// are nvarchar from 2.6 onwards so we have to cast the relevant fields in pre 2.5 SQL Server setups.
if ($CFG->branch <= 25 && $CFG->dbtype == "sqlsrv") {
$dbselect = " CAST(modulename AS nvarchar(max)) = ? AND instance = ?
AND courseid = ? AND CAST(name AS nvarchar(max)) = ? ";
}
try {
// Update event for assignment part
if ($event = $DB->get_record_select("event", $dbselect,
array('turnitintooltwo', $turnitintooltwo->id,
$turnitintooltwo->course, '% - '.$part->partname))) {
$updatedevent = new stdClass();
$updatedevent->id = $event->id;
$updatedevent->userid = $USER->id;
$updatedevent->name = $turnitintooltwo->name." - ".$part->partname;
$DB->update_record('event', $updatedevent);
}
} catch (Exception $e) {
//Ignore the exception.
}
}
}
/**
* 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) ? $cm->idnumber : null;
if ($turnitintooltwo->grade < 0) { // If we're using a grade scale.
$params['gradetype'] = GRADE_TYPE_SCALE;
$params['scaleid'] = -$turnitintooltwo->grade;
} else if ($turnitintooltwo->grade > 0) { // If we are using a grade value.
$params['gradetype'] = GRADE_TYPE_VALUE;
$params['grademax'] = $turnitintooltwo->grade;
$params['grademin'] = 0;
} else { // If we aren't using a grade at all.
$params['gradetype'] = GRADE_TYPE_NONE;
}
$lastpart = $DB->get_record('turnitintooltwo_parts', array('turnitintooltwoid' => $turnitintooltwo->id), 'max(dtpost)');
$lastpart = current($lastpart);
$params['hidden'] = $lastpart;
$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;
$turnitintooltwoassignment = new turnitintooltwo_assignment($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 $action The action to use OLDCLASS or NEWCLASS
* @return array The status array to pass to turnitintooltwo_reset_userdata
*/
function turnitintooltwo_duplicate_recycle($courseid, $action) {
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' => $courseid))) {
turnitintooltwo_print_error('assigngeterror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
if (!$course = $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' => $turnitintooltwo->id,
'deleted' => 0))) {
turnitintooltwo_print_error('partgeterror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
foreach ($parts as $part) {
$partsarray[$courseid][$turnitintooltwo->id][$part->id]['tiiassignid'] = $part->tiiassignid;
}
}
$currentcourse = turnitintooltwo_assignment::get_course_data($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;
$rubric_id = (!empty($turnitintooltwoassignment->turnitintooltwo->rubric)) ?
$turnitintooltwoassignment->turnitintooltwo->rubric : '';
$rubric_id = (!empty($rubric_id) && array_key_exists($rubric_id, $rubrics)) ? $rubric_id : '';
$assignment->setRubricId($rubric_id);
$assignment->setSubmitPapersTo($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) {
$assignment->setInstitutionCheck((isset($turnitintooltwoassignment->turnitintooltwo->institution_check)) ?
$turnitintooltwoassignment->turnitintooltwo->institution_check : 0);
}
$attribute = "maxmarks".$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.
$assignment->setErater((isset($turnitintooltwoassignment->turnitintooltwo->erater)) ?
$turnitintooltwoassignment->turnitintooltwo->erater : 0);
$assignment->setEraterSpelling($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);
$assignment->setEraterSpellingDictionary((isset($turnitintooltwoassignment->turnitintooltwo->erater_dictionary)) ?
$turnitintooltwoassignment->turnitintooltwo->erater_dictionary : 'en_US');
$assignment->setEraterHandbook((isset($turnitintooltwoassignment->turnitintooltwo->erater_handbook)) ?
$turnitintooltwoassignment->turnitintooltwo->erater_handbook : 0);
$attribute = "dtstart".$i;
$assignment->setStartDate(gmdate("Y-m-d\TH:i:s\Z", $turnitintooltwoassignment->turnitintooltwo->$attribute));
$attribute = "dtdue".$i;
$assignment->setDueDate(gmdate("Y-m-d\TH:i:s\Z", $turnitintooltwoassignment->turnitintooltwo->$attribute));
$attribute = "dtpost".$i;
$assignment->setFeedbackReleaseDate(gmdate("Y-m-d\TH:i:s\Z", $turnitintooltwoassignment->turnitintooltwo->$attribute));
$attribute = "partname".$i;
$assignment->setTitle($turnitintooltwoassignment->turnitintooltwo->name." ".
$turnitintooltwoassignment->turnitintooltwo->$attribute." (Moodle TT)");
$partassignid = $turnitintooltwoassignment->create_tii_assignment($assignment,
$turnitintooltwoassignment->turnitintooltwo->id, $i);
if (empty($partassignid)) {
turnitintooltwo_activitylog("Moodle Assignment could not be created (".$turnitintooltwoassignment->id.") - ".
$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());
if (!$dbpart = $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");
}
if (!$delete = $DB->delete_records('turnitintooltwo_submissions', array('submission_part' => $partid))) {
turnitintooltwo_print_error('submissiondeleteerror', 'turnitintooltwo', null, null, __FILE__, __LINE__);
exit();
}
}
}
$item = ($action == "NEWCLASS") ? get_string('copyassigndata', 'turnitintooltwo') : get_string('replaceassigndata', 'turnitintooltwo');
$status[] = array('component' => get_string('modulenameplural', 'turnitintooltwo'), 'item' => $item, 'error' => $error);
return $status;
}
/**
* 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) {
$status = array();
if ($data->reset_turnitintooltwo == 0) {
$status = turnitintooltwo_duplicate_recycle($data->courseid, 'NEWCLASS');
} else if ($data->reset_turnitintooltwo == 1) {
$status = turnitintooltwo_duplicate_recycle($data->courseid, 'OLDCLASS');
}
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('modulenameplural', '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);
}
/**
* A Standard Moodle function that moodle executes at the time the cron runs
*/
function turnitintooltwo_cron() {
global $DB, $CFG;
// get assignment that needs updating and check whether it exists
if ($assignment = $DB->get_record('turnitintooltwo', array("needs_updating" => 1), '*', IGNORE_MULTIPLE)) {
$turnitintooltwoassignment = new turnitintooltwo_assignment($assignment->id);
$cm = get_coursemodule_from_instance("turnitintooltwo", $turnitintooltwoassignment->turnitintooltwo->id,
$turnitintooltwoassignment->turnitintooltwo->course);
$users = $turnitintooltwoassignment->get_moodle_course_users($cm);
foreach ($users as $user) {
// Only add to gradebook if author has been unanonymised or assignment doesn't have anonymous marking
$grades = new stdClass();
if ($submissions = $DB->get_records('turnitintooltwo_submissions', array('turnitintooltwoid' =>
$turnitintooltwoassignment->turnitintooltwo->id,
'userid' => $user->id, 'submission_unanon' => 1))
) {
$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'] = $cm->idnumber;
@include_once($CFG->dirroot."/lib/gradelib.php");
grade_update('mod/turnitintooltwo', $turnitintooltwoassignment->turnitintooltwo->course, 'mod',
'turnitintooltwo', $turnitintooltwoassignment->turnitintooltwo->id, 0, $grades, $params);
}
// remove the "needs updating" flag
$update_assignment = new stdClass();
$update_assignment->id = $assignment->id;
$update_assignment->needs_updating = 0;
$DB->update_record("turnitintooltwo", $update_assignment);
}
// 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)) {
$turnitintooltwoassignment = new turnitintooltwo_assignment($part->turnitintooltwoid);
$turnitintooltwoassignment->get_submission_ids_from_tii($part);
$turnitintooltwoassignment->refresh_submissions($part);
$updatedassignments[] = $part->id;
turnitintooltwo_activitylog('Turnitintool submissions downloaded for assignment '.$part->id, 'REQUEST');
}
}
echo 'Turnitintool submissions downloaded for assignments: '.implode(',', $updatedassignments).' ';
}
}
/**
* Abstracted version of 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).' | '.$line.')';
}
print_error($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) {
global $CFG;
$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);
}
$permittedstrlength = TURNITINTOOLTWO_MAX_FILENAME_LENGTH - strlen($tempdir.DIRECTORY_SEPARATOR);
$extlength = strlen('_' . mt_getrandmax() . $ext);
if ($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;
}
// Shorten the filename as needed, taking the extension into consideration.
$permittedstrlength -= $extlength;
$filename = substr($filename, 0, $permittedstrlength);
$tries = 0;
do {
if ($tries == 10) {
throw new invalid_dataroot_permissions("turnitintooltwo temporary file cannot be created.");
}
$tries++;
// Ensure the filename doesn't have any characters that are invalid for the fs.
$filename = clean_param($filename . substr('_' . mt_rand() . $ext, 0, $extlength), PARAM_FILE);
$file = $tempdir . DIRECTORY_SEPARATOR . $filename;
} while (!touch($file));
return $file;
}
/**
* Checks whether update is available for plugin from Turnitin.
*
* @param type $module
* @return null
*/
function turnitintooltwo_updateavailable($current_version) {
global $CFG;
$updateneeded['update'] = 0;
try {
// Open connection.
$ch = curl_init();
// Set the url, number of POST vars, POST data.
curl_setopt($ch, CURLOPT_URL, "https://www.turnitin.com/static/resources/files/moodledirect2_latest.xml");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
if (isset($CFG->proxyhost) AND !empty($CFG->proxyhost)) {
curl_setopt($ch, CURLOPT_PROXY, $CFG->proxyhost.':'.$CFG->proxyport);
}
if (isset($CFG->proxyuser) AND !empty($CFG->proxyuser)) {
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_PROXYUSERPWD, sprintf('%s:%s', $CFG->proxyuser, $CFG->proxypassword));
}
// Execute post.
$result = curl_exec($ch);
// Close connection.
curl_close($ch);
$xml = simplexml_load_string($result);
if ((isset($xml)) AND (isset($xml->version))) {
if ($xml->version > $current_version) {
$updateneeded['update'] = 1;
$updateneeded['file'] = $xml->filename;
}
}
} catch (Exception $e) {
turnitintooltwo_comms::handle_exceptions($e, 'checkupdateavailableerror', false);
}
return $updateneeded;
}
/**
* 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'][$readassignment->getAssignmentId()]) &&
empty($currentassignments['PP'][$readassignment->getAssignmentId()])) {
$checkbox = html_writer::checkbox('assignmentids[]', $readassignment->getAssignmentId(), false, '',
array("id" => "assignmentid_".$readassignment->getAssignmentId(),
"disabled" => "disabled", "class" => "assignmentids_check"));
if ($returnformat == "json") {
$return["aaData"][] = array($checkbox, $readassignment->getTitle(), $readassignment->getMaxGrade(),
$readassignment->getAssignmentId());
} else {
$return[$readassignment->getAssignmentId()] = array("tii_id" => $readassignment->getAssignmentId(),
"tii_title" => $readassignment->getTitle());
}
} else {
// Double check that migration has completed for this assignment.
// If not then there has been an error so we delete the previously migrated assignment attempt.
if ($part = $DB->get_record('turnitintooltwo_parts',
array('tiiassignid' => $readassignment->getAssignmentId(), 'migrated' => -1))) {
$DB->delete_records('turnitintooltwo_parts',
array('tiiassignid' => $readassignment->getAssignmentId(), 'migrated' => -1));
turnitintooltwo_activitylog("Deleted failed migration assignment part - id (".
$readassignment->getAssignmentId().")", "REQUEST");
// Remove the Turnitintool if it contains no other parts.
if ($DB->count_records('turnitintooltwo_parts', array('turnitintooltwoid' => $part->turnitintooltwoid)) == 0) {
$DB->delete_records("turnitintooltwo", array("id" => $part->turnitintooltwoid));
turnitintooltwo_activitylog("Deleted tool instance - id (".$part->turnitintooltwoid.")", "REQUEST");
}
}
}
}
} catch (Exception $e) {
turnitintooltwo_activitylog(get_string('migrationassignmentgeterror', 'turnitintooltwo').' - Class: '.$courseid, "REQUEST");
}
return $return;
}
/**
* Gets the courses for this account from Turnitin.
*
* @param array $tiiintegrationids the integration ids we want courses from
* @return array of data in a datatables readable format
*/
function turnitintooltwo_get_courses_from_tii($tiiintegrationids, $coursetitle, $courseintegration,
$courseenddate = null, $requestsource = "mod") {
global $CFG, $DB, $OUTPUT, $USER;
set_time_limit(0);
$_SESSION["stored_tii_courses"] = array();
$return = array();
$return["aaData"] = array();
$secho = optional_param('sEcho', 0, PARAM_INT);
$ssortdir = optional_param('sSortDir_0', 'desc', PARAM_ALPHA);
$isortcol = optional_param('iSortCol_0', '6', PARAM_INT);
$turnitincomms = new turnitintooltwo_comms();
$turnitincall = $turnitincomms->initialise_api();
$class = new TiiClass();
$class->setTitle($coursetitle);
if ($courseenddate != null) {
$class->setDateFrom(gmdate("Y-m-d", strtotime($courseenddate)).'T00:00:00Z' );
}
if (array_key_exists($courseintegration, $tiiintegrationids)) {
$class->setIntegrationId($courseintegration);
}
if (!is_siteadmin()) {
$turnitintooltwouser = new turnitintooltwo_user($USER->id, 'Instructor');
$tiiinstructorid = $turnitintooltwouser->tii_user_id;
$class->setUserId($tiiinstructorid);
$class->setUserRole('Instructor');
}
try {
$response = $turnitincall->findClasses($class);
$findclass = $response->getClass();
$classids = $findclass->getClassIds();
} catch (Exception $e) {
turnitintooltwo_activitylog(get_string('migrationcoursegeterror', 'turnitintooltwo'), "REQUEST");
$classids = array();
}
// Get currently linked courses.
$currentcourses = array();
if (!empty($classids)) {
list($insql, $inparams) = $DB->get_in_or_equal($classids);
$currentcourses["PP"] = $DB->get_records_sql("SELECT tc.turnitin_cid FROM {turnitintooltwo_courses} tc ".
"RIGHT JOIN {course} c ON c.id = tc.courseid ".
"WHERE tc.course_type = 'PP' AND tc.turnitin_cid ".$insql, $inparams);
$currentcourses["TT"] = $DB->get_records_sql("SELECT tc.turnitin_cid FROM {turnitintooltwo_courses} tc ".
"RIGHT JOIN {course} c ON c.id = tc.courseid ".
"WHERE tc.course_type = 'TT' AND tc.turnitin_cid ".$insql, $inparams);
}
$class = new TiiClass();
$class->setClassIds($classids);
$tiicourses = array();
$i = 0;
if (!empty($classids)) {
try {
$response = $turnitincall->readClasses($class);
$readclasses = $response->getClasses();
foreach ($readclasses as $readclass) {
if (array_key_exists($readclass->getIntegrationId(), $tiiintegrationids)) {
$_SESSION["stored_tii_courses"][$readclass->getClassId()] = $readclass->getTitle();
// If we're coming from block we don't need any information, just the number of records
if ($requestsource == "mod") {
$linkpage = (is_siteadmin()) ? "settings_extras.php" : "extras.php";
$titlecell = html_writer::link($CFG->wwwroot.'/mod/turnitintooltwo/'.$linkpage.
'?cmd=class_recreation&id='.$readclass->getClassId().
'&view_context=box&sesskey='.sesskey(),
$readclass->getTitle(), array("class" => "course_recreate",
"id" => "course_".$readclass->getClassId()));
$datecell = html_writer::link('.edit_course_end_date_form',
html_writer::tag('span',
userdate(strtotime($readclass->getEndDate()),
get_string('strftimedate', 'langconfig')),
array("id" => $readclass->getClassId()."_".
gmdate("j", strtotime($readclass->getEndDate()))."_".
gmdate("n", strtotime($readclass->getEndDate()))."_".
gmdate("Y", strtotime($readclass->getEndDate()))))." ".
$OUTPUT->pix_icon('edit', get_string('edit'), 'mod_turnitintooltwo'),
array("class" => "edit_course_end_link", "id" => "course_date_".$readclass->getClassId()));
$checkbox = '';
$class = '';
if (empty($currentcourses["PP"][$readclass->getClassId()]) &&
empty($currentcourses["TT"][$readclass->getClassId()])) {
$class = 'hidden_class';
$checkbox = html_writer::checkbox('check_'.$readclass->getClassId(), $readclass->getClassId(), false, '',
array("class" => "browser_checkbox"));
}
$moodlecell = $OUTPUT->pix_icon('tick', get_string('moodlelinked', 'turnitintooltwo'), 'mod_turnitintooltwo',
array('class' => $class, 'id' => 'tick_'.$readclass->getClassId()));
$tiicourses[$i] = array($checkbox, $titlecell, $tiiintegrationids[$readclass->getIntegrationId()], $datecell,
$readclass->getClassId(), $moodlecell, $readclass->getTitle(),
userdate(strtotime($readclass->getEndDate()),
get_string('strftimedate', 'langconfig')));
}
$i++;
// Keep course names in case of course recreation.
$_SESSION['tii_classes'][$readclass->getClassId()] = $readclass->getTitle();
}
}
if (count($tiicourses) > 0 && $requestsource == "mod") {
turnitintooltwo_sort_array($tiicourses, $isortcol, $ssortdir);
$j = 0;
foreach ($tiicourses as $class) {
$return["aaData"][$j] = $class;
$j++;
}
}
} catch (Exception $e) {
$turnitincomms->handle_exceptions($e, 'coursegettiierror');
}
}
$return["iTotalRecords"] = $i;
$return["iTotalDisplayRecords"] = $i;
$return["sEcho"] = $secho;
$return["blockHTML"] = ($i == 0) ? '' : get_string('coursestomigrate', 'mod_turnitintooltwo', $i);
return $return;
}
function turnitintooltwo_sort_array(&$data, $sortcol, $sortdir) {
if ($sortdir == "desc") {
return usort($data, function($b, $a) use ($sortcol) {
return strnatcmp($a[$sortcol], $b[$sortcol]);
});
} else {
return usort($data, function($a, $b) use ($sortcol) {
return strnatcmp($a[$sortcol], $b[$sortcol]);
});
}
}
/**
* Get files for displaying in settings. Called from ajax.php via turnitintooltwo.js.
*
* @param $moduleid the id of the module to return files for
* @global type $DB
* @global type $CFG
* @global type $OUTPUT
* @return type array of filedate to be displayed
*/
function turnitintooltwo_getfiles($moduleid) {
global $DB, $CFG, $OUTPUT;
$return = array();
$idisplaystart = optional_param('iDisplayStart', 0, PARAM_INT);
$idisplaylength = optional_param('iDisplayLength', 10, PARAM_INT);