Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* batch creation form submit
* @global type $user
* @param array $form
* @param array $form_state
* @param array $content_models
*/
function batch_creation_form(&$form_state, $collection_pid, $content_models) {
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
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module_load_include('inc', 'fedora_repository', 'core/CollectionPolicy');
$cm_options = array();
$name_mappings = array();
foreach ($content_models as $content_model) {
if ($content_model->pid != "islandora:collectionCModel") {
$cm_options[$content_model->pid] = $content_model->name;
$name_mappings[] = $content_model->pid . '^' . $content_model->pid_namespace;
}
}
$mappings = implode('~~~', $name_mappings);
$form['#attributes']['enctype'] = 'multipart/form-data';
$form['titlebox'] = array(
'#type' => 'item',
'#value' => t("Batch ingest into $collection_pid"),
);
$form['collection_pid'] = array(
'#type' => 'hidden',
'#value' => $collection_pid,
);
$form['namespace_mappings'] = array(
'#type' => 'hidden',
'#value' => $mappings,
);
$form['content_model'] = array(
'#title' => "Choose content model to be associated with objects ingested",
'#type' => 'select',
'#options' => $cm_options,
'#required' => TRUE,
'#description' => t("Content models describe the behaviours of objects with which they are associated."),
);
$form['indicator']['file-location'] = array(
'#type' => 'file',
'#title' => t('Upload zipped folder'),
'#size' => 48,
'#description' => t('The zipped folder should contain all files necessary to build objects.<br .>
Related files must have the same filename, but with differing extensions to indicate mimetypes.<br />
ie. <em>myFile.xml</em> and <em>myFile.jpg</em>'),
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Create Objects ')
);
return($form);
}
/**
* @param array $form
* @param array $form_state
*/
function batch_creation_form_validate($form, &$form_state) {
$field_name = 'file-location';
if (isset($_FILES['files']) && is_uploaded_file($_FILES['files']['tmp_name'][$field_name])) {
$file = file_save_upload($field_name);
if ($file->filemime != 'application/zip') {
form_set_error($field_name, 'Input file must be a .zip file');
return;
}
if (!$file) {
form_set_error($field_name, 'Error uploading file.');
return;
}
$form_state['values']['file'] = $file;
}
else {
// set error
form_set_error($field_name, 'Error uploading file.');
return;
}
}
function batch_creation_form_submit($form, &$form_state) {
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module_load_include('inc', 'fedora_repository', 'core/ContentModel');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
global $user;
$namespace_mappings = array();
$content_model = $form_state['values']['content_model'];
$metadata = $form_state['values']['metadata_type'];
$collection_pid = $form_state['values']['collection_pid'];
$namespace_process = explode('~~~', $form_state['values']['namespace_mappings']);
foreach ($namespace_process as $line) {
$line_parts = explode('^', $line);
$namespace_mappings[$line_parts[0]] = $line_parts[1];
}
$namespace = $namespace_mappings[$content_model];
$namespace = preg_replace('/:.*/', '', $namespace);
$dir_name = "temp" . $user->uid;
$tmp_dir = file_directory_path() . '/' . $dir_name . '/';
mkdir($tmp_dir);
$file = $form_state['values']['file'];
$fileName = $file->filepath;
$file_list = array();
$cmdString = "unzip -q -o -d $tmp_dir \"$fileName\"";
system($cmdString, $retVal);
$dirs = array();
$do_not_add = array('.', '..', '__MACOSX');
array_push($dirs, $tmp_dir);
$files = scandir($tmp_dir);
foreach ($files as $file) {
if (is_dir("$tmp_dir/$file") & !in_array($file, $do_not_add)) {
array_push($dirs, $tmp_dir . $file);
}
}
foreach ($dirs as $directory) {
if ($inputs = opendir($directory)) {
while (FALSE !== ($file_name = readdir($inputs))) {
if (!in_array($file_name, $do_not_add) && is_dir($file_name) == FALSE) {
$ext = strrchr($file_name, '.');
$base = preg_replace("/$ext$/", '', $file_name);
$ext = substr($ext, 1);
if ($ext) {
$file_list[$base][$ext] = "$directory/" . $file_name;
}
}
}
closedir($inputs);
}
}
if (($cm = ContentModel::loadFromModel($content_model, 'ISLANDORACM')) === FALSE) {
drupal_set_message("$content_model not found", "error");
return;
}
$batch = array(
'title' => 'Ingesting Objects',
'operations' => array(),
'file' => drupal_get_path('module', 'fedora_repository') . '/BatchIngest.inc',
);
foreach ($file_list as $label => $object_files) {
$batch['operations'][] = array('create_batch_objects', array($label, $content_model, $object_files, $collection_pid, $namespace, $metadata));
}
$batch['operations'][] = array('recursive_directory_delete', array($tmp_dir));
batch_set($batch);
batch_process();
}
/**
*
* @param <string> $label
* @param <string> $content_model
* @param <array> $object_files
* @param <string> $collection_pid
* @param <string> $namespace
* @param <string> $metadata
*/
function create_batch_objects($label, $content_model, $object_files, $collection_pid, $namespace, $metadata) {
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module_load_include('inc', 'fedora_repository', 'core/ContentModel');
module_load_include('inc', 'fedora_repository', 'api/MimeClass');
module_load_include('inc', 'fedora_reppository', 'api/fedora_item');
$cm = ContentModel::loadFromModel($content_model, 'ISLANDORACM');
$allowed_mime_types = $cm->getMimetypes();
$mime_helper = new MimeClass();
$pid = fedora_item::get_next_PID_in_namespace($namespace);
$item = Fedora_item::ingest_new_item($pid, 'A', $label, $owner);
$item->add_relationship('hasModel', $content_model, FEDORA_MODEL_URI);
$item->add_relationship('isMemberOfCollection', $collection_pid);
if ($object_files['xml']) {
$data = file_get_contents($object_files['xml']);
$xml = simplexml_load_string($data);
$identifier = $xml->getName();
if ($identifier == 'dc') {
$item->modify_datastream_by_value($data, 'DC', "Dublin Core", 'text/xml');
}
if ($identifier == 'mods') {
$item->add_datastream_from_string($mods_xml, 'MODS');
$dc_xml = batch_create_dc_from_mods($mods_xml);
$item->modify_datastream_by_value($dc_xml, 'DC', "Dublin Core", 'text/xml');
}
}
unset($object_files['xml']);
$use_primary = TRUE;
foreach ($object_files as $ext => $filename) {
$file_mimetype = $mime_helper->get_mimetype($filename);
if (in_array($file_mimetype, $allowed_mime_types)) {
$added = $cm->execIngestRules($filename, $file_mimetype);
}
else {
$item->purge("$pid $label not ingested. $file_mimetype not permitted in objects associated with $content_model");
continue;
}
$ds_label = $use_primary ? $cm->getDatastreamNameDSID() : $ext;
$item->add_datastream_from_file($filename, $ds_label);
$use_primary = FALSE;
if (!empty($_SESSION['fedora_ingest_files'])) {
foreach ($_SESSION['fedora_ingest_files'] as $dsid => $datastream_file) {
$item->add_datastream_from_file($datastream_file, $dsid);
}
}
}
}
/**
* transforms mods to dc
* @param <string> $mods_xml
* @return <string>
*/
function batch_create_dc_from_mods($mods_xml) {
$path = drupal_get_path('module', 'fedora_repository');
module_load_include('inc', 'fedora_repository', 'api/ObjectHelper');
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module_load_include('inc', 'fedora_repository', 'core/CollectionClass');
if ($xmlstr == NULL || strlen($xmlstr) < 5) {
return " ";
}
try {
$proc = new XsltProcessor();
} catch (Exception $e) {
drupal_set_message(t('@e', array('@e' => check_plain($e->getMessage()))), 'error');
return " ";
}
$xsl = new DomDocument();
$xsl->load($path . '/xsl/mods_to_dc.xsl');
$input = new DomDocument();
$input->loadXML(trim($xmlstr));
$xsl = $proc->importStylesheet($xsl);
$newdom = $proc->transformToDoc($input);
$dc_xml = $newdom->saveXML();
return $dc_xml;
}
/**
*
* @param <string> $dir
* @return <boolean>
*/
function recursive_directory_delete($dir) {
if (!file_exists($dir))
return TRUE;
if (!is_dir($dir))
return unlink($dir);
foreach (scandir($dir) as $item) {
if ($item == '.' || $item == '..')
continue;
if (!recursive_directory_delete($dir . DIRECTORY_SEPARATOR . $item))
return FALSE;
}
return rmdir($dir);
}