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https://github.com/moodle/moodle.git
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975 lines
36 KiB
PHP
Executable File
975 lines
36 KiB
PHP
Executable File
<?php // $Id$
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/// Constants and settings for module scorm
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define('UPDATE_NEVER', '0');
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define('UPDATE_ONCHANGE', '1');
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define('UPDATE_EVERYDAY', '2');
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define('UPDATE_EVERYTIME', '3');
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define('SCO_ALL', 0);
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define('SCO_DATA', 1);
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define('SCO_ONLY', 2);
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define('GRADESCOES', '0');
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define('GRADEHIGHEST', '1');
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define('GRADEAVERAGE', '2');
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define('GRADESUM', '3');
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$SCORM_GRADE_METHOD = array (GRADESCOES => get_string('gradescoes', 'scorm'),
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GRADEHIGHEST => get_string('gradehighest', 'scorm'),
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GRADEAVERAGE => get_string('gradeaverage', 'scorm'),
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GRADESUM => get_string('gradesum', 'scorm'));
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define('HIGHESTATTEMPT', '0');
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define('AVERAGEATTEMPT', '1');
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define('FIRSTATTEMPT', '2');
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define('LASTATTEMPT', '3');
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$SCORM_WHAT_GRADE = array (HIGHESTATTEMPT => get_string('highestattempt', 'scorm'),
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AVERAGEATTEMPT => get_string('averageattempt', 'scorm'),
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FIRSTATTEMPT => get_string('firstattempt', 'scorm'),
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LASTATTEMPT => get_string('lastattempt', 'scorm'));
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$SCORM_POPUP_OPTIONS = array('resizable'=>1,
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'scrollbars'=>1,
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'directories'=>0,
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'location'=>0,
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'menubar'=>0,
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'toolbar'=>0,
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'status'=>0);
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$stdoptions = '';
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foreach ($SCORM_POPUP_OPTIONS as $popupopt => $value) {
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$stdoptions .= $popupopt.'='.$value;
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if ($popupopt != 'status') {
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$stdoptions .= ',';
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}
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}
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if (!isset($CFG->scorm_maxattempts)) {
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set_config('scorm_maxattempts','6');
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}
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if (!isset($CFG->scorm_frameheight)) {
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set_config('scorm_frameheight','500');
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}
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if (!isset($CFG->scorm_framewidth)) {
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set_config('scorm_framewidth','100%');
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}
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if (!isset($CFG->scorm_updatetime)) {
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set_config('scorm_updatetime','2');
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}
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if (!isset($CFG->scorm_advancedsettings)) {
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set_config('scorm_advancedsettings','0');
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}
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if (!isset($CFG->scorm_windowsettings)) {
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set_config('scorm_windowsettings','0');
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}
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//
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// Repository configurations
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//
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$repositoryconfigfile = $CFG->dirroot.'/mod/resource/type/ims/repository_config.php';
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$repositorybrowser = '/mod/resource/type/ims/finder.php';
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/// Local Library of functions for module scorm
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/**
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* This function will permanently delete the given
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* directory and all files and subdirectories.
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*
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* @param string $directory The directory to remove
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* @return boolean
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*/
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function scorm_delete_files($directory) {
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if (is_dir($directory)) {
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$files=scandir($directory);
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set_time_limit(0);
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foreach($files as $file) {
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if (($file != '.') && ($file != '..')) {
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if (!is_dir($directory.'/'.$file)) {
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unlink($directory.'/'.$file);
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} else {
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scorm_delete_files($directory.'/'.$file);
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}
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}
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}
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rmdir($directory);
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return true;
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}
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return false;
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}
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/**
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* Create a new temporary subdirectory with a random name in the given path
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*
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* @param string $strpath The scorm data directory
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* @return string/boolean
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*/
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function scorm_tempdir($strPath)
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{
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global $CFG;
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if (is_dir($strPath)) {
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do {
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// Create a random string of 8 chars
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$randstring = NULL;
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$lchar = '';
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$len = 8;
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for ($i=0; $i<$len; $i++) {
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$char = chr(rand(48,122));
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while (!ereg('[a-zA-Z0-9]', $char)){
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if ($char == $lchar) continue;
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$char = chr(rand(48,90));
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}
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$randstring .= $char;
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$lchar = $char;
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}
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$datadir='/'.$randstring;
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} while (file_exists($strPath.$datadir));
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mkdir($strPath.$datadir, $CFG->directorypermissions);
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@chmod($strPath.$datadir, $CFG->directorypermissions); // Just in case mkdir didn't do it
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return $strPath.$datadir;
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} else {
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return false;
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}
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}
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function scorm_array_search($item, $needle, $haystacks, $strict=false) {
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if (!empty($haystacks)) {
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foreach ($haystacks as $key => $element) {
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if ($strict) {
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if ($element->{$item} === $needle) {
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return $key;
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}
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} else {
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if ($element->{$item} == $needle) {
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return $key;
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}
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}
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}
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}
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return false;
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}
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function scorm_repeater($what, $times) {
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if ($times <= 0) {
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return null;
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}
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$return = '';
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for ($i=0; $i<$times;$i++) {
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$return .= $what;
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}
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return $return;
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}
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function scorm_external_link($link) {
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// check if a link is external
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$result = false;
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$link = strtolower($link);
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if (substr($link,0,7) == 'http://') {
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$result = true;
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} else if (substr($link,0,8) == 'https://') {
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$result = true;
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} else if (substr($link,0,4) == 'www.') {
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$result = true;
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}
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return $result;
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}
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/**
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* Returns an object containing all datas relative to the given sco ID
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*
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* @param integer $id The sco ID
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* @return mixed (false if sco id does not exists)
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*/
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function scorm_get_sco($id,$what=SCO_ALL) {
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if ($sco = get_record('scorm_scoes','id',$id)) {
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$sco = ($what == SCO_DATA) ? new stdClass() : $sco;
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if (($what != SCO_ONLY) && ($scodatas = get_records('scorm_scoes_data','scoid',$id))) {
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foreach ($scodatas as $scodata) {
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$sco->{$scodata->name} = $scodata->value;
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}
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} else if (($what != SCO_ONLY) && (!($scodatas = get_records('scorm_scoes_data','scoid',$id)))) {
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$sco->parameters = '';
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}
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return $sco;
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} else {
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return false;
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}
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}
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function scorm_insert_track($userid,$scormid,$scoid,$attempt,$element,$value) {
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$id = null;
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if ($track = get_record_select('scorm_scoes_track',"userid='$userid' AND scormid='$scormid' AND scoid='$scoid' AND attempt='$attempt' AND element='$element'")) {
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$track->value = $value;
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$track->timemodified = time();
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$id = update_record('scorm_scoes_track',$track);
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} else {
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$track->userid = $userid;
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$track->scormid = $scormid;
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$track->scoid = $scoid;
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$track->attempt = $attempt;
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$track->element = $element;
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$track->value = addslashes($value);
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$track->timemodified = time();
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$id = insert_record('scorm_scoes_track',$track);
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}
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// MDL-9552, update the gradebook everything raw score is sent
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if (strstr($element, '.score.raw')) {
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$scorm = get_record('scorm', 'id', $scormid);
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include_once('lib.php');
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scorm_update_grades($scorm, $userid);
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}
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return $id;
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}
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function scorm_get_tracks($scoid,$userid,$attempt='') {
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/// Gets all tracks of specified sco and user
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global $CFG;
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if (empty($attempt)) {
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if ($scormid = get_field('scorm_scoes','scorm','id',$scoid)) {
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$attempt = scorm_get_last_attempt($scormid,$userid);
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} else {
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$attempt = 1;
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}
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}
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$attemptsql = ' AND attempt=' . $attempt;
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if ($tracks = get_records_select('scorm_scoes_track',"userid=$userid AND scoid=$scoid".$attemptsql,'element ASC')) {
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$usertrack->userid = $userid;
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$usertrack->scoid = $scoid;
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// Defined in order to unify scorm1.2 and scorm2004
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$usertrack->score_raw = '';
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$usertrack->status = '';
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$usertrack->total_time = '00:00:00';
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$usertrack->session_time = '00:00:00';
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$usertrack->timemodified = 0;
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foreach ($tracks as $track) {
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$element = $track->element;
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$usertrack->{$element} = $track->value;
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switch ($element) {
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case 'cmi.core.lesson_status':
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case 'cmi.completion_status':
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if ($track->value == 'not attempted') {
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$track->value = 'notattempted';
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}
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$usertrack->status = $track->value;
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break;
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case 'cmi.core.score.raw':
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case 'cmi.score.raw':
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$usertrack->score_raw = $track->value;
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break;
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case 'cmi.core.session_time':
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case 'cmi.session_time':
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$usertrack->session_time = $track->value;
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break;
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case 'cmi.core.total_time':
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case 'cmi.total_time':
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$usertrack->total_time = $track->value;
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break;
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}
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if (isset($track->timemodified) && ($track->timemodified > $usertrack->timemodified)) {
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$usertrack->timemodified = $track->timemodified;
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}
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}
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return $usertrack;
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} else {
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return false;
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}
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}
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function scorm_get_user_data($userid) {
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/// Gets user info required to display the table of scorm results
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/// for report.php
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return get_record('user','id',$userid,'','','','','firstname, lastname, picture');
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}
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function scorm_grade_user_attempt($scorm, $userid, $attempt=1, $time=false) {
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$attemptscore = NULL;
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$attemptscore->scoes = 0;
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$attemptscore->values = 0;
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$attemptscore->max = 0;
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$attemptscore->sum = 0;
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$attemptscore->lastmodify = 0;
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if (!$scoes = get_records('scorm_scoes','scorm',$scorm->id)) {
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return NULL;
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}
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$grademethod = $scorm->grademethod % 10;
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foreach ($scoes as $sco) {
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if ($userdata=scorm_get_tracks($sco->id, $userid,$attempt)) {
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if (($userdata->status == 'completed') || ($userdata->status == 'passed')) {
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$attemptscore->scoes++;
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}
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if (!empty($userdata->score_raw)) {
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$attemptscore->values++;
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$attemptscore->sum += $userdata->score_raw;
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$attemptscore->max = ($userdata->score_raw > $attemptscore->max)?$userdata->score_raw:$attemptscore->max;
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if (isset($userdata->timemodified) && ($userdata->timemodified > $attemptscore->lastmodify)) {
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$attemptscore->lastmodify = $userdata->timemodified;
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} else {
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$attemptscore->lastmodify = 0;
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}
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}
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}
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}
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switch ($grademethod) {
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case GRADEHIGHEST:
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$score = $attemptscore->max;
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break;
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case GRADEAVERAGE:
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if ($attemptscore->values > 0) {
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$score = $attemptscore->sum/$attemptscore->values;
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} else {
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$score = 0;
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}
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break;
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case GRADESUM:
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$score = $attemptscore->sum;
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break;
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case GRADESCOES:
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$score = $attemptscore->scoes;
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break;
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}
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if ($time) {
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$result = new stdClass();
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$result->score = $score;
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$result->time = $attemptscore->lastmodify;
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} else {
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$result = $score;
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}
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return $result;
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}
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function scorm_grade_user($scorm, $userid, $time=false) {
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$whatgrade = intval($scorm->grademethod / 10);
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switch ($whatgrade) {
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case FIRSTATTEMPT:
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return scorm_grade_user_attempt($scorm, $userid, 1, $time);
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break;
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case LASTATTEMPT:
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return scorm_grade_user_attempt($scorm, $userid, scorm_get_last_attempt($scorm->id, $userid), $time);
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break;
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case HIGHESTATTEMPT:
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$lastattempt = scorm_get_last_attempt($scorm->id, $userid);
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$maxscore = 0;
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$attempttime = 0;
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for ($attempt = 1; $attempt <= $lastattempt; $attempt++) {
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$attemptscore = scorm_grade_user_attempt($scorm, $userid, $attempt, $time);
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if ($time) {
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if ($attemptscore->score > $maxscore) {
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$maxscore = $attemptscore->score;
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$attempttime = $attemptscore->time;
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}
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} else {
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$maxscore = $attemptscore > $maxscore ? $attemptscore: $maxscore;
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}
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}
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if ($time) {
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$result = new stdClass();
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$result->score = $maxscore;
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$result->time = $attempttime;
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return $result;
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} else {
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return $maxscore;
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}
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break;
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case AVERAGEATTEMPT:
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$lastattempt = scorm_get_last_attempt($scorm->id, $userid);
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$sumscore = 0;
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for ($attempt = 1; $attempt <= $lastattempt; $attempt++) {
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$attemptscore = scorm_grade_user_attempt($scorm, $userid, $attempt, $time);
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if ($time) {
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$sumscore += $attemptscore->score;
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} else {
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$sumscore += $attemptscore;
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}
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}
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if ($lastattempt > 0) {
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$score = $sumscore / $lastattempt;
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} else {
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$score = 0;
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}
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if ($time) {
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$result = new stdClass();
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$result->score = $score;
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$result->time = $attemptscore->time;
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return $result;
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} else {
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return $score;
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}
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break;
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}
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}
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function scorm_count_launchable($scormid,$organization='') {
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$strorganization = '';
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if (!empty($organization)) {
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$strorganization = " AND organization='$organization'";
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}
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return count_records_select('scorm_scoes',"scorm=$scormid$strorganization AND launch<>''");
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}
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function scorm_get_last_attempt($scormid, $userid) {
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/// Find the last attempt number for the given user id and scorm id
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if ($lastattempt = get_record('scorm_scoes_track', 'userid', $userid, 'scormid', $scormid, '', '', 'max(attempt) as a')) {
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if (empty($lastattempt->a)) {
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return '1';
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} else {
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return $lastattempt->a;
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}
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}
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}
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function scorm_course_format_display($user,$course) {
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global $CFG;
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$strupdate = get_string('update');
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$strmodule = get_string('modulename','scorm');
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$context = get_context_instance(CONTEXT_COURSE,$course->id);
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echo '<div class="mod-scorm">';
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if ($scorms = get_all_instances_in_course('scorm', $course)) {
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// The module SCORM activity with the least id is the course
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$scorm = current($scorms);
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if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id)) {
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print_error('Course Module ID was incorrect');
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}
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$colspan = '';
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$headertext = '<table width="100%"><tr><td class="title">'.get_string('name').': <b>'.format_string($scorm->name).'</b>';
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if (has_capability('moodle/course:manageactivities', $context)) {
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if (isediting($course->id)) {
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// Display update icon
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$path = $CFG->wwwroot.'/course';
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$headertext .= '<span class="commands">'.
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'<a title="'.$strupdate.'" href="'.$path.'/mod.php?update='.$cm->id.'&sesskey='.sesskey().'">'.
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'<img src="'.$CFG->pixpath.'/t/edit.gif" class="iconsmall" alt="'.$strupdate.'" /></a></span>';
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}
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$headertext .= '</td>';
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// Display report link
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$trackedusers = get_record('scorm_scoes_track', 'scormid', $scorm->id, '', '', '', '', 'count(distinct(userid)) as c');
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if ($trackedusers->c > 0) {
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$headertext .= '<td class="reportlink">'.
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'<a '.$CFG->frametarget.'" href="'.$CFG->wwwroot.'/mod/scorm/report.php?id='.$cm->id.'">'.
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get_string('viewallreports','scorm',$trackedusers->c).'</a>';
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} else {
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$headertext .= '<td class="reportlink">'.get_string('noreports','scorm');
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}
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$colspan = ' colspan="2"';
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}
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$headertext .= '</td></tr><tr><td'.$colspan.'>'.format_text(get_string('summary').':<br />'.$scorm->summary).'</td></tr></table>';
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print_simple_box($headertext,'','100%');
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scorm_view_display($user, $scorm, 'view.php?id='.$course->id, $cm, '100%');
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} else {
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if (has_capability('moodle/course:update', $context)) {
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// Create a new activity
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redirect($CFG->wwwroot.'/course/mod.php?id='.$course->id.'&section=0&sesskey='.sesskey().'&add=scorm');
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} else {
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notify('Could not find a scorm course here');
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}
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}
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echo '</div>';
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}
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function scorm_view_display ($user, $scorm, $action, $cm, $boxwidth='') {
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global $CFG;
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|
|
|
if ($scorm->updatefreq == UPDATE_EVERYTIME){
|
|
require_once($CFG->dirroot.'/mod/scorm/lib.php');
|
|
|
|
$scorm->instance = $scorm->id;
|
|
scorm_update_instance($scorm);
|
|
}
|
|
|
|
$organization = optional_param('organization', '', PARAM_INT);
|
|
|
|
print_simple_box_start('center',$boxwidth);
|
|
?>
|
|
<div class="structurehead"><?php print_string('contents','scorm') ?></div>
|
|
<?php
|
|
if (empty($organization)) {
|
|
$organization = $scorm->launch;
|
|
}
|
|
if ($orgs = get_records_select_menu('scorm_scoes',"scorm='$scorm->id' AND organization='' AND launch=''",'id','id,title')) {
|
|
if (count($orgs) > 1) {
|
|
?>
|
|
<div class='center'>
|
|
<?php print_string('organizations','scorm') ?>
|
|
<form id='changeorg' method='post' action='<?php echo $action ?>'>
|
|
<?php choose_from_menu($orgs, 'organization', "$organization", '','submit()') ?>
|
|
</form>
|
|
</div>
|
|
<?php
|
|
}
|
|
}
|
|
$orgidentifier = '';
|
|
if ($sco = scorm_get_sco($organization, SCO_ONLY)) {
|
|
if (($sco->organization == '') && ($sco->launch == '')) {
|
|
$orgidentifier = $sco->identifier;
|
|
} else {
|
|
$orgidentifier = $sco->organization;
|
|
}
|
|
}
|
|
|
|
/*
|
|
$orgidentifier = '';
|
|
if ($org = get_record('scorm_scoes','id',$organization)) {
|
|
if (($org->organization == '') && ($org->launch == '')) {
|
|
$orgidentifier = $org->identifier;
|
|
} else {
|
|
$orgidentifier = $org->organization;
|
|
}
|
|
}*/
|
|
|
|
$scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR)); // Just to be safe
|
|
if (!file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php')) {
|
|
$scorm->version = 'scorm_12';
|
|
}
|
|
require_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'lib.php');
|
|
|
|
$result = scorm_get_toc($user,$scorm,'structlist',$orgidentifier);
|
|
$incomplete = $result->incomplete;
|
|
echo $result->toc;
|
|
print_simple_box_end();
|
|
|
|
?>
|
|
<div class="center">
|
|
<form id="theform" method="post" action="<?php echo $CFG->wwwroot ?>/mod/scorm/player.php?scoid=<?php echo $sco->id ?>&id=<?php echo $cm->id ?>"<?php echo $scorm->popup == 1?' target="newwin"':'' ?>>
|
|
<?php
|
|
if ($scorm->hidebrowse == 0) {
|
|
print_string('mode','scorm');
|
|
echo '<input type="hidden" name="scoid" value="'.$sco->id.'" />'."\n";
|
|
echo ': <input type="radio" id="b" name="mode" value="browse" /><label for="b">'.get_string('browse','scorm').'</label>'."\n";
|
|
echo '<input type="radio" id="n" name="mode" value="normal" checked="checked" /><label for="n">'.get_string('normal','scorm')."</label>\n";
|
|
} else {
|
|
echo '<input type="hidden" name="mode" value="normal" />'."\n";
|
|
}
|
|
if (($incomplete === false) && (($result->attemptleft > 0)||($scorm->maxattempt == 0))) {
|
|
?>
|
|
<br />
|
|
<input type="checkbox" id="a" name="newattempt" />
|
|
<label for="a"><?php print_string('newattempt','scorm') ?></label>
|
|
<?php
|
|
}
|
|
?>
|
|
<br />
|
|
<input type="hidden" name="scoid"/>
|
|
<input type="hidden" name="currentorg" value="<?php echo $orgidentifier ?>" />
|
|
<input type="submit" value="<?php print_string('enter','scorm') ?>" />
|
|
</form>
|
|
</div>
|
|
<?php
|
|
}
|
|
function scorm_simple_play($scorm,$user) {
|
|
$result = false;
|
|
|
|
$scoes = get_records_select('scorm_scoes','scorm='.$scorm->id.' AND launch<>\'\'');
|
|
|
|
if ($scoes && (count($scoes) == 1)) {
|
|
if ($scorm->skipview >= 1) {
|
|
$sco = current($scoes);
|
|
if (scorm_get_tracks($sco->id,$user->id) === false) {
|
|
header('Location: player.php?a='.$scorm->id.'&scoid='.$sco->id);
|
|
$result = true;
|
|
} else if ($scorm->skipview == 2) {
|
|
header('Location: player.php?a='.$scorm->id.'&scoid='.$sco->id);
|
|
$result = true;
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
/*
|
|
function scorm_simple_play($scorm,$user) {
|
|
$result = false;
|
|
if ($scoes = get_records_select('scorm_scoes','scorm='.$scorm->id.' AND launch<>""')) {
|
|
if (count($scoes) == 1) {
|
|
if ($scorm->skipview >= 1) {
|
|
$sco = current($scoes);
|
|
if (scorm_get_tracks($sco->id,$user->id) === false) {
|
|
header('Location: player.php?a='.$scorm->id.'&scoid='.$sco->id);
|
|
$result = true;
|
|
} else if ($scorm->skipview == 2) {
|
|
header('Location: player.php?a='.$scorm->id.'&scoid='.$sco->id);
|
|
$result = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
*/
|
|
function scorm_parse($scorm) {
|
|
global $CFG,$repositoryconfigfile;
|
|
|
|
if ($scorm->reference[0] == '#') {
|
|
require_once($repositoryconfigfile);
|
|
if ($CFG->repositoryactivate) {
|
|
$referencedir = $CFG->repository.substr($scorm->reference,1);
|
|
}
|
|
} else {
|
|
if ((!scorm_external_link($scorm->reference)) && (basename($scorm->reference) == 'imsmanifest.xml')) {
|
|
$referencedir = $CFG->dataroot.'/'.$scorm->course.'/'.$scorm->datadir;
|
|
} else {
|
|
$referencedir = $CFG->dataroot.'/'.$scorm->course.'/moddata/scorm/'.$scorm->id;
|
|
}
|
|
}
|
|
|
|
// Parse scorm manifest
|
|
if ($scorm->pkgtype == 'AICC') {
|
|
require_once('datamodels/aicclib.php');
|
|
$scorm->launch = scorm_parse_aicc($referencedir, $scorm->id);
|
|
} else {
|
|
require_once('datamodels/scormlib.php');
|
|
if ($scorm->reference[0] == '#') {
|
|
require_once($repositoryconfigfile);
|
|
}
|
|
$scorm->launch = scorm_parse_scorm($referencedir,$scorm->id);
|
|
}
|
|
return $scorm->launch;
|
|
}
|
|
|
|
/**
|
|
* Given a manifest path, this function will check if the manifest is valid
|
|
*
|
|
* @param string $manifest The manifest file
|
|
* @return object
|
|
*/
|
|
function scorm_validate_manifest($manifest) {
|
|
$validation = new stdClass();
|
|
if (is_file($manifest)) {
|
|
$validation->result = true;
|
|
} else {
|
|
$validation->result = false;
|
|
$validation->errors['reference'] = get_string('nomanifest','scorm');
|
|
}
|
|
return $validation;
|
|
}
|
|
|
|
/**
|
|
* Given a aicc package directory, this function will check if the course structure is valid
|
|
*
|
|
* @param string $packagedir The aicc package directory path
|
|
* @return object
|
|
*/
|
|
function scorm_validate_aicc($packagedir) {
|
|
$validation = new stdClass();
|
|
$validation->result = false;
|
|
if (is_dir($packagedir)) {
|
|
if ($handle = opendir($packagedir)) {
|
|
while (($file = readdir($handle)) !== false) {
|
|
$ext = substr($file,strrpos($file,'.'));
|
|
if (strtolower($ext) == '.cst') {
|
|
$validation->result = true;
|
|
break;
|
|
}
|
|
}
|
|
closedir($handle);
|
|
}
|
|
}
|
|
if ($validation->result == false) {
|
|
$validation->errors['reference'] = get_string('nomanifest','scorm');
|
|
}
|
|
return $validation;
|
|
}
|
|
|
|
|
|
function scorm_validate($data) {
|
|
global $CFG;
|
|
|
|
$validation = new stdClass();
|
|
$validation->errors = array();
|
|
|
|
if (!isset($data['course']) || empty($data['course'])) {
|
|
$validation->errors['reference'] = get_string('missingparam','scorm');
|
|
$validation->result = false;
|
|
return $validation;
|
|
}
|
|
$courseid = $data['course']; // Course Module ID
|
|
|
|
if (!isset($data['reference']) || empty($data['reference'])) {
|
|
$validation->errors['reference'] = get_string('packagefile','scorm');
|
|
$validation->result = false;
|
|
return $validation;
|
|
}
|
|
$reference = $data['reference']; // Package/manifest path/location
|
|
|
|
$scormid = $data['instance']; // scorm ID
|
|
$scorm = new stdClass();
|
|
if (!empty($scormid)) {
|
|
if (!$scorm = get_record('scorm','id',$scormid)) {
|
|
$validation->errors['reference'] = get_string('missingparam','scorm');
|
|
$validation->result = false;
|
|
return $validation;
|
|
}
|
|
}
|
|
|
|
if ($reference[0] == '#') {
|
|
require_once($repositoryconfigfile);
|
|
if ($CFG->repositoryactivate) {
|
|
$reference = $CFG->repository.substr($reference,1).'/imsmanifest.xml';
|
|
} else {
|
|
$validation->errors['reference'] = get_string('badpackage','scorm');
|
|
$validation->result = false;
|
|
return $validation;
|
|
}
|
|
} else if (!scorm_external_link($reference)) {
|
|
$reference = $CFG->dataroot.'/'.$courseid.'/'.$reference;
|
|
}
|
|
|
|
// Create a temporary directory to unzip package or copy manifest and validate package
|
|
$tempdir = '';
|
|
$scormdir = '';
|
|
if ($scormdir = make_upload_directory("$courseid/$CFG->moddata/scorm")) {
|
|
if ($tempdir = scorm_tempdir($scormdir)) {
|
|
$localreference = $tempdir.'/'.basename($reference);
|
|
copy ("$reference", $localreference);
|
|
if (!is_file($localreference)) {
|
|
$validation->errors['reference'] = get_string('badpackage','scorm');
|
|
$validation->result = false;
|
|
} else {
|
|
$ext = strtolower(substr(basename($localreference),strrpos(basename($localreference),'.')));
|
|
switch ($ext) {
|
|
case '.pif':
|
|
case '.zip':
|
|
if (!unzip_file($localreference, $tempdir, false)) {
|
|
$validation->errors['reference'] = get_string('unziperror','scorm');
|
|
$validation->result = false;
|
|
} else {
|
|
unlink ($localreference);
|
|
if (is_file($tempdir.'/imsmanifest.xml')) {
|
|
$validation = scorm_validate_manifest($tempdir.'/imsmanifest.xml');
|
|
$validation->pkgtype = 'SCORM';
|
|
} else {
|
|
$validation = scorm_validate_aicc($tempdir);
|
|
if (($validation->result == 'regular') || ($validation->result == 'found')) {
|
|
$validation->pkgtype = 'AICC';
|
|
} else {
|
|
$validation->errors['reference'] = get_string('nomanifest','scorm');
|
|
$validation->result = false;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case '.xml':
|
|
if (basename($localreference) == 'imsmanifest.xml') {
|
|
$validation = scorm_validate_manifest($localreference);
|
|
} else {
|
|
$validation->errors['reference'] = get_string('nomanifest','scorm');
|
|
$validation->result = false;
|
|
}
|
|
break;
|
|
default:
|
|
$validation->errors['reference'] = get_string('badpackage','scorm');
|
|
$validation->result = false;
|
|
break;
|
|
}
|
|
}
|
|
if (is_dir($tempdir)) {
|
|
// Delete files and temporary directory
|
|
scorm_delete_files($tempdir);
|
|
}
|
|
} else {
|
|
$validation->errors['reference'] = get_string('packagedir','scorm');
|
|
$validation->result = false;
|
|
}
|
|
} else {
|
|
$validation->errors['reference'] = get_string('datadir','scorm');
|
|
$validation->result = false;
|
|
}
|
|
return $validation;
|
|
}
|
|
|
|
function scorm_check_package($data) {
|
|
global $CFG, $COURSE;
|
|
|
|
$courseid = $data->course; // Course Module ID
|
|
$reference = $data->reference; // Package path
|
|
$scormid = $data->instance; // scorm ID
|
|
|
|
$validation = new stdClass();
|
|
|
|
if (!empty($courseid) && !empty($reference)) {
|
|
$externalpackage = scorm_external_link($reference);
|
|
|
|
$validation->launch = 0;
|
|
$referencefield = $reference;
|
|
if (empty($reference)) {
|
|
$validation = null;
|
|
} else if ($reference[0] == '#') {
|
|
require_once($repositoryconfigfile);
|
|
if ($CFG->repositoryactivate) {
|
|
$referencefield = $reference.'/imsmanfest.xml';
|
|
$reference = $CFG->repository.substr($reference,1).'/imsmanifest.xml';
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
} else if (!$externalpackage) {
|
|
$reference = $CFG->dataroot.'/'.$courseid.'/'.$reference;
|
|
}
|
|
|
|
if (!empty($scormid)) {
|
|
//
|
|
// SCORM Update
|
|
//
|
|
if ((!empty($validation)) && (is_file($reference) || $externalpackage)){
|
|
|
|
if (!$externalpackage) {
|
|
$mdcheck = md5_file($reference);
|
|
} else if ($externalpackage){
|
|
if ($scormdir = make_upload_directory("$courseid/$CFG->moddata/scorm")) {
|
|
if ($tempdir = scorm_tempdir($scormdir)) {
|
|
copy ("$reference", $tempdir.'/'.basename($reference));
|
|
$mdcheck = md5_file($tempdir.'/'.basename($reference));
|
|
scorm_delete_files($tempdir);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($scorm = get_record('scorm','id',$scormid)) {
|
|
if ($scorm->reference[0] == '#') {
|
|
require_once($repositoryconfigfile);
|
|
if ($CFG->repositoryactivate) {
|
|
$oldreference = $CFG->repository.substr($scorm->reference,1).'/imsmanifest.xml';
|
|
} else {
|
|
$oldreference = $scorm->reference;
|
|
}
|
|
} else if (!scorm_external_link($scorm->reference)) {
|
|
$oldreference = $CFG->dataroot.'/'.$courseid.'/'.$scorm->reference;
|
|
} else {
|
|
$oldreference = $scorm->reference;
|
|
}
|
|
$validation->launch = $scorm->launch;
|
|
if ((($oldreference == $reference) && ($mdcheck != $scorm->md5hash)) || ($oldreference != $reference)) {
|
|
// This is a new or a modified package
|
|
$validation->launch = 0;
|
|
} else {
|
|
// Old package already validated
|
|
if (strpos($scorm->version,'AICC') !== false) {
|
|
$validation->pkgtype = 'AICC';
|
|
} else {
|
|
$validation->pkgtype = 'SCORM';
|
|
}
|
|
}
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
}
|
|
//$validation->launch = 0;
|
|
if (($validation != null) && ($validation->launch == 0)) {
|
|
//
|
|
// Package must be validated
|
|
//
|
|
$ext = strtolower(substr(basename($reference),strrpos(basename($reference),'.')));
|
|
$tempdir = '';
|
|
switch ($ext) {
|
|
case '.pif':
|
|
case '.zip':
|
|
// Create a temporary directory to unzip package and validate package
|
|
$scormdir = '';
|
|
if ($scormdir = make_upload_directory("$courseid/$CFG->moddata/scorm")) {
|
|
if ($tempdir = scorm_tempdir($scormdir)) {
|
|
copy ("$reference", $tempdir.'/'.basename($reference));
|
|
unzip_file($tempdir.'/'.basename($reference), $tempdir, false);
|
|
if (!$externalpackage) {
|
|
unlink ($tempdir.'/'.basename($reference));
|
|
}
|
|
if (is_file($tempdir.'/imsmanifest.xml')) {
|
|
$validation = scorm_validate_manifest($tempdir.'/imsmanifest.xml');
|
|
$validation->pkgtype = 'SCORM';
|
|
} else {
|
|
$validation = scorm_validate_aicc($tempdir);
|
|
$validation->pkgtype = 'AICC';
|
|
}
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
break;
|
|
case '.xml':
|
|
if (basename($reference) == 'imsmanifest.xml') {
|
|
if ($externalpackage) {
|
|
if ($scormdir = make_upload_directory("$courseid/$CFG->moddata/scorm")) {
|
|
if ($tempdir = scorm_tempdir($scormdir)) {
|
|
copy ("$reference", $tempdir.'/'.basename($reference));
|
|
if (is_file($tempdir.'/'.basename($reference))) {
|
|
$validation = scorm_validate_manifest($tempdir.'/'.basename($reference));
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$validation = scorm_validate_manifest($reference);
|
|
}
|
|
$validation->pkgtype = 'SCORM';
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
break;
|
|
default:
|
|
$validation = null;
|
|
break;
|
|
}
|
|
if ($validation == null) {
|
|
if (is_dir($tempdir)) {
|
|
// Delete files and temporary directory
|
|
scorm_delete_files($tempdir);
|
|
}
|
|
} else {
|
|
if (($ext == '.xml') && (!$externalpackage)) {
|
|
$validation->datadir = dirname($referencefield);
|
|
} else {
|
|
$validation->datadir = substr($tempdir,strlen($scormdir));
|
|
}
|
|
$validation->launch = 0;
|
|
}
|
|
}
|
|
} else {
|
|
$validation = null;
|
|
}
|
|
return $validation;
|
|
}
|
|
|
|
|
|
function scorm_get_count_users($scormid, $groupingid=null) {
|
|
|
|
global $CFG;
|
|
|
|
if (!empty($CFG->enablegroupings) && !empty($groupingid)) {
|
|
$sql = "SELECT COUNT(DISTINCT st.userid)
|
|
FROM {$CFG->prefix}scorm_scoes_track st
|
|
INNER JOIN {$CFG->prefix}groups_members gm ON st.userid = gm.userid
|
|
INNER JOIN {$CFG->prefix}groupings_groups gg ON gm.groupid = gg.groupid
|
|
WHERE st.scormid = $scormid AND gg.groupingid = $groupingid
|
|
";
|
|
} else {
|
|
$sql = "SELECT COUNT(DISTINCT st.userid)
|
|
FROM {$CFG->prefix}scorm_scoes_track st
|
|
WHERE st.scormid = $scormid
|
|
";
|
|
}
|
|
|
|
return(count_records_sql($sql));
|
|
}
|
|
|
|
?>
|