<?php
// $Id$
class SCORMObject {
function __construct($pid = '') {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
if (!empty($pid)) {
$this->pid = $pid;
$this->item = new Fedora_Item($pid);
}
}
public function buildIngestForm($form = array(), $form_state = array()) {
$form['bulk_ingest_location'] = array(
'#title' => 'Bulk ingest location',
'#type' => 'textfield',
'#size' => 60,
'#description' => "Server location from which to upload SCORM objects. Leave this blank if you are uploading a single file.",
);
return $form;
}
public function buildEditMetadataForm($form = array()) {
$form['submit'] = array(
'#type' => 'submit',
'#weight' => 10,
'#value' => 'Update'
);
$form['pid'] = array(
'#type' => 'hidden',
'#value' => $this->pid,
);
$form['dsid'] = array(
'#type' => 'hidden',
'#value' => "DARWIN_CORE",
);
return $this->buildDrupalForm($form);
}
public function handleEditMetadataForm($form_id, $form_values) {
/*
* Process the metadata form
* Update the datastreams
*/
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'plugins/DarwinCore');
module_load_include('inc', 'fedora_repository', 'MimeClass');
global $user;
$mimetype = new MimeClass();
$dwc = new DarwinCore($this->item);
$dwc->handleForm($form_values);
$this->item->purge_datastream('DARWIN_CORE');
$this->item->add_datastream_from_string($dwc->darwinCoreXML, 'DARWIN_CORE',
'Darwin Core Metadata', 'text/xml', 'X');
return TRUE;
}
/**
* process the metadata form
* Create fedora object
* Add the datastreams
*/
public function handleIngestForm($form_values) {
module_load_include('inc', 'fedora_repository', 'MimeClass');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
global $user;
$mimetype = new MimeClass();
$file_list = array();
if (!empty($form_values['bulk_ingest_location'])) {
if ($scorm_dir = opendir($form_values['bulk_ingest_location'])) {
while (FALSE !== ($file_name = readdir($scorm_dir))) {
$ext = strrchr($file_name, '.');
if ($ext == '.zip') {
array_push($file_list, $form_values['bulk_ingest_location'] .'/'. $file_name);
}
}
closedir($scorm_dir);
sort($file_list);
}
}
else {
array_push($file_list, $form_values['ingest-file-location']);
}
scorm_create_scorm_objects($form_values['collection_pid'], $file_list, $form_values['content_model_pid'], $form_values['relationship'] );
}
public function showFieldSets() {
global $base_url;
// Try and get a node that references this object.
//$result = db_query("SELECT * FROM {content_node_field} nf INNER JOIN {content_node_field_instance} ni ON nf.field_name = ni.field_name WHERE nf.type='field_fedora_pid_reference'");
fedora_pidfield_redirect_to_node($this);
$tabset['my_tabset']['first_tab'] = array(
'#type' => 'tabpage',
'#title' => t('Description'),
);
if (module_load_include('module', 'SCORM', 'SCORM')) {
$dest_array = explode('/', urldecode(drupal_get_destination()));
$nid = $dest_array[count($dest_array) - 1];
$node = node_load($nid);
$tabset = array();
$tabset['my_tabset'] = array(
'#type' => 'tabset',
);
$tabset['my_tabset']['second_tab'] = array(
'#type' => 'tabpage',
'#title' => t('Results'),
'#content' => scorm_show_results($node),
);
}
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
$obj = new ObjectHelper();
$tabset['my_tabset']['first_tab']['tabset'] = array(
'#type' => 'tabset',
);
$tabset['my_tabset']['first_tab']['tabset']['view'] = array(
'#type' => 'tabpage',
'#title' => t('View'),
'#content' => $obj->getQDC($this->pid),
);
if (fedora_repository_access(OBJECTHELPER :: $EDIT_FEDORA_METADATA, $this->pid, $user)) {
$editform = drupal_get_form('fedora_repository_edit_qdc_form', $this->pid, 'DC');
$tabset['my_tabset']['first_tab']['tabset']['edit'] = array(
'#type' => 'tabpage',
'#title' => t('Edit'),
'#content' => $editform,
);
}
return tabs_render($tabset);
}
public function extractFile($filename) {
// Get a file from the zip and put it in a temporary location.
$tmpdir = sys_get_temp_dir();
exec("unzip $this->file $filename -d $tmpdir", $output);
if (file_exists($tmpdir.'/'.$filename)) {
return $tmpdir.'/'.$filename;
}
else {
return FALSE;
}
}
private function _cleanUpHTML($html) {
$tmp = substr($html, strpos($html, '< body > '));
return _filter_html($tmp, FILTER_HTML_STRIP);
}
public function _createSCORMObjectNode($scorm_file, $item) {
module_load_include('inc', 'node', 'node.pages'); // required\
module_load_include('inc', 'fedora_repository', 'api/dublin_core');
global $user;
$node = array('type' => 'repository_item');
$form_state = array();
$dc = new Dublin_Core($item);
$title = $dc->dc['dc:title'][0];
if (empty($title)) {
$title = $pid;
}
$form_state['values']['title'] = $title; // node's title
// Prepare the file field.
$mime = 'application/zip';
$file = new stdClass();
$file->filename = basename($scorm_file);
$file->filepath = $scorm_file;
$file->filemime = $mime;
$file->filesize = filesize($scorm_file);
$file->uid = $user->uid;
$file->status = 0;
$file->timestamp = time();
drupal_write_record('files', $file);
$file->fid = db_result(db_query("SELECT fid FROM {files} WHERE filepath = '%s'", $file->filepath));
// Create a drupal node that includes a SCORM object and reference to this Fedora PID.
// Drupal Content Type is SCORM Fedora Object. Fields are
// field_scorm_obj-0-value
// field_fedora_pid_reference-0-value
$form_state['values']['field_fedora_pid_reference'][0]['value'] = $item->pid;
/*$form_state['values']['field_scorm_obj'] = array (
array(
'fid' => $file->fid,
'title' => basename($file->filename),
'filename' => $file->filename,
'filepath' => $file->filepath,
'filesize' => $file->filesize,
'mimetype' => $mime,
'description' => basename($file->filename),
'list' => 1,
),
);*/
$form_state['values']['op'] = t('Save'); // required value
drupal_execute('repository_item_node_form', $form_state, (object)$node);
// you can probably configure the node-author in $form_state or $node,
// but i'm doing it this way to demonstrate the use of $form_state['nid'].
// the following lines aren't required, but otherwise the node-author will be "Anonymous" in this case.
$node = node_load($form_state['nid']); // nid from the node that gets created is set in $form_state['nid'] after drupal_execute()
$node->uid = $user->uid; // set author to the current user
$field = content_fields('field_scorm_obj', 'repository_item');
// Load up the appropriate validators
//$validators = array_merge(filefield_widget_upload_validators($field), SCORM_widget_upload_validators($field));
$validators = SCORM_widget_upload_validators($field);
// Where do we store the files?
$files_path = filefield_widget_file_path($field);
// Create the file object
$file = field_file_save_file($scorm_file, $validators, $files_path);
// Apply the file to the field
$file['data']['width'] = 640;
$file['data']['height'] = 480;
$node->field_scorm_obj = array(0 => $file);
$this->_processSCORMObject($file);
node_save($node);
return $node;
}
private function _processSCORMObject($field) {
$packagedata=scorm_validate_file($field['filepath']);
$scorm->pkgtype = $packagedata->pkgtype;
$scorm->datadir = $packagedata->datadir;
$scorm->launch = $packagedata->launch;
$scorm->parse = 1;
$scorm->timemodified = time();
/* if (!scorm_external_link($scorm->reference)) {
$scorm->md5hash = md5_file($CFG->dataroot.'/'.$scorm->course.'/'.$scorm->reference);
} else {
$scorm->dir = $CFG->dataroot.'/'.$scorm->course.'/moddata/scorm';
$scorm->md5hash = md5_file($scorm->dir.$scorm->datadir.'/'.basename($scorm->reference));
}*/
$scorm = scorm_option2text($scorm);
//TODO: Implement form for user to set height and width for SCORM package
$scorm->width = '640';
$scorm->height = '480';
if (!isset($scorm->whatgrade)) {
$scorm->whatgrade = 0;
}
$scorm->grademethod = ($scorm->whatgrade * 10) + $scorm->grademethod;
//TODO: Do we need this fields:
$scorm->name="SCORM";
$scorm->summary="SCORM 2004.";
$scorm->grademethod='';
$scorm->maxgrade=100;
$scorm->maxattempt=0;
$scorm->updatefreq=0;
$scorm->course=1;
//At this point it is still empty
$scorm->version='';
$scorm->skipview=0;
$scorm->hidebrowse=0;
$scorm->hidetoc=0;
$scorm->hidenav=0;
$scorm->auto=0;
$scorm->popup=0;
//TODO: Do we still need it?
//$scorm->reference=$field->filepath;
//TODO: Remove MD5 field, we dont use it.
//$id = insert_record('scorm', $scorm);
$result = db_query("INSERT INTO {scorm}
(course,name,nodereference,reference,summary,version,maxgrade,grademethod,whatgrade,maxattempt,updatefreq,md5hash,launch,
skipview,hidebrowse,hidetoc,hidenav,auto,popup,options,width,height,timemodified)
VALUES (%d,'%s',%d,'%s','%s','%s',%d,%d,%d,%d,%d,'%s',%d,%d,%d,%d,%d,%d,%d,'%s',%d,%d,%d)", $scorm->course, $scorm->name, NULL, NULL, $scorm->summary, $scorm->version,
$scorm->maxgrade, $scorm->grademethod, $scorm->whatgrade, $scorm->maxattempt, $scorm->updatefreq, NULL, $scorm->launch, $scorm->skipview, $scorm->hidebrowse,
$scorm->hidetoc, $scorm->hidenav, $scorm->auto, $scorm->popup, $scorm->options, $scorm->width, $scorm->height, $scorm->timemodified );
$id = db_last_insert_id('scorm', 'id'); //$id=mysql_insert_id();
//TODO: Test it on Linux
// Move SCORM from temp dir to scorm dir
$storedir=file_directory_path() .'/SCORM';
$path=$storedir .'/'. $id;
if (!file_exists($storedir)) {
mkdir($storedir);
}
$res=mkdir($path);
if ($res==TRUE) {
full_copy($packagedata->tempdir, $path);
//rmdirr($packagedata->tempdir);
scorm_delete_files($packagedata->tempdir);
//Replace reference field with node field.
db_query("UPDATE {scorm} SET reference = '%s' WHERE id = %d", $field['fid'], $id);
}
else
return FALSE;
$scorm->id = $id;
//Parse SCORM manifest
$scorm->launch=scorm_parse_scorm($path, $scorm->id);
//Save SCORM launch instance
db_query("UPDATE {scorm} SET launch = '%s' WHERE id = %d", $scorm->launch, $scorm->id);
}
}
function scorm_create_scorm_objects($collection_pid, $file_list = array(), $content_model_pid = 'islandora:SCORMCModel', $relationship = 'isMemberOfCollection') {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$batch = array(
'title' => 'Ingesting SCORM objects',
'operations' => array(),
'file' => drupal_get_path('module', 'fedora_nmlt') .'/scorm.inc',
);
foreach ($file_list as $file_path) {
$batch['operations'][] = array('_create_single_SCORM_object', array($file_path, $collection_pid, $content_model_pid, $relationship));
}
batch_set($batch);
}
function _create_single_SCORM_object($file, $collection_pid, $content_model_pid, $relationship = 'isMemberOfCollection') {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$url = parse_url(variable_get('fedora_base_url', 'http://localhost:8080/fedora'));
$fedora_host = ("{$url['scheme']}://{$url['host']}" . (!empty($url['port']) ? ":{$url['port']}/" : '/'));
$scorm2fedora_url = $fedora_host . 'scorm2fedora';
$ch = curl_init($scorm2fedora_url);
curl_setopt($ch, CURLOPT_POSTFIELDS, array('scormfile' => "@{$file}"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$post_result = curl_exec($ch);
curl_close($ch);
$scorm2fedora_result = json_decode($post_result);
$scorm_object_pid = $scorm2fedora_result->pid;
if (!empty($scorm_object_pid)) {
$scorm_object = new Fedora_Item($scorm_object_pid);
$scorm_object->add_relationship('hasModel', $content_model_pid, FEDORA_MODEL_URI);
$scorm_object->add_relationship($relationship, $collection_pid);
$scorm = new SCORMObject($scorm_object_pid);
$scorm->_createSCORMObjectNode($file, $scorm_object);
}
}
