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