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islandora_derivatives.module
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islandora_derivatives.module
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<?php
/**
* @file
* Module used to find and correct missing derivatives of objects in Islandora.
*
*/
/*
* Implementation of hook_menu().
*/
function islandora_derivatives_menu() {
$items['admin/settings/islandora_derivatives'] = array(
'title' => 'Islandora Derivatives',
'description' => 'Admin page for Islandora Derivatives',
'page callback' => 'drupal_get_form',
'page arguments' => array('islandora_derivatives_form'),
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/change'] = array(
'page callback' => 'islandora_derivatives_change_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/addcollection'] = array(
'page callback' => 'islandora_derivatives_add_collection_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/findmissing'] = array(
'page callback' => 'islandora_derivatives_find_missing_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/status'] = array(
'page callback' => 'islandora_derivatives_search_status',
'access arguments' => array('administer site configuration'),
'type' => MENU_CALLBACK,
);
$items['admin/settings/islandora_derivatives/submit'] = array(
'page callback' => 'islandora_derivatives_submit_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/audioadd'] = array(
'page callback' => 'islandora_derivatives_audio_add_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/videoadd'] = array(
'page callback' => 'islandora_derivatives_video_add_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/docadd'] = array(
'page callback' => 'islandora_derivatives_doc_add_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
$items['admin/settings/islandora_derivatives/imageadd'] = array(
'page callback' => 'islandora_derivatives_img_add_js',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
'access arguments' => array('administer site configuration'),
);
return $items;
}
/**
* Form constructor for the islandora_derivatives form.
*
* @param array $form_state
* The Drupal form state.
*
* @see islandora_derivatives_menu()
*/
function islandora_derivatives_form($form_state) {
module_load_include('inc', 'php_lib', 'Ahah');
require_once("Stomp.php");
drupal_add_css(drupal_get_path('module', 'islandora_derivatives') . '/css/islandora_derivatives.css');
AHAH::get_ahah_js();
$tempstomp = variable_get('fedora_soap_url', 'http://localhost:8080/fedora/services/access?wsdl');
preg_match('#\/\/(.*):#', $tempstomp, $matches);
$defaultstomp = 'tcp://' . $matches[1] . ':61613';
$namespaces = variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: ');
// Get all collections from Fedora
$itql_query = 'select $child $title from <#ri>
where
(
(
(
$child <fedora-model:hasModel> $model
and $model <mulgara:is> <info:fedora/islandora:collectionCModel>
and $parent_model <mulgara:is> <info:fedora/fedora-system:ContentModel-3.0>
)
or
(
$child <fedora-model:hasModel> $model
and $model <fedora-model:hasModel> $parent_model
and $parent_model <mulgara:is> <info:fedora/islandora:collectionCModel>
and $child <fedora-model:state> <info:fedora/fedora-system:def/model#Active>
)
)
or
(
(
$child <fedora-model:hasModel> $model
and $model <mulgara:is> <info:fedora/islandora:collectionCModel>
and $parent_model <mulgara:is> <info:fedora/fedora-system:ContentModel-3.0>
)
or
(
$child <fedora-model:hasModel> $model
and $model <fedora-model:hasModel> $parent_model
and $parent_model <mulgara:is> <info:fedora/islandora:collectionCModel>
and $child <fedora-model:state> <info:fedora/fedora-system:def/model#Active>
)
)
)
and $child <fedora-model:label> $title
order by $title asc';
module_load_include('inc', 'fedora_repository', 'CollectionClass');
$collectionClass = new CollectionClass();
$query_results = $collectionClass->getRelatedItems(NULL, $itql_query);
$xml_set = simplexml_load_string($query_results);
$collectionlist['default'] = '-- Select a collection --';
// Grab the pids from the ITQL results if in the allowed namespaces
foreach($xml_set->results->result as $result) {
$pid = (string) $result->child->attributes()->uri;
$label = (string) $result->title;
preg_match('/info:fedora\/(.*):/', $pid, $matches);
$objnamespace = $matches[1] . ':';
$allowednames = explode(' ', trim($namespaces));
if (in_array($objnamespace, $allowednames)) {
$pid = str_replace('info:fedora/', '', $pid);
$collectionlist[$pid] = $label . ' (' . $pid . ')';
}
}
$options['default'] = t('-- Select an option --');
$options['all'] = t('Regenerate all derivatives');
$options['missing'] = t('Generate missing derivatives');
$form = array(
'#title' => t('Islandora Derivatives'),
'#prefix' => '<div id="islandora_derivatives">',
'#suffix' => '</div>',
'#action' => '/admin/settings/islandora_derivatives',
'derivoptions' => array(
'#type' => 'select',
'#title' => t('Select an action for these PIDs'),
'#options' => $options,
'#weight' => 5,
),
'collectionoptions' => array(
'#type' => 'select',
'#title' => t('Select PIDs from a collection'),
'#options' => $collectionlist,
'#prefix' => '<div class="islandora_derivatives_collection_list">',
'#suffix' => '</div>',
'#weight' => 2,
),
'collectionadd' => array(
'#type' => 'button',
'#value' => t('Add PIDs to processing list?'),
'#ahah' => array(
'event' => 'click',
'path' => 'admin/settings/islandora_derivatives/addcollection',
'wrapper' => 'islandora_derivatives',
),
'#weight' => 2,
),
'pidtextarea' => array(
'#type' => 'textarea',
'#title' => t('List of pids to be processed separated by commas'),
'#description' => t('Allowed namespaces are: %namespaces',
array(
'%namespaces' => $namespaces,
)),
'#weight' => 4,
),
'submit' => array(
'#type' => 'submit',
'#name' => 'islandora_derivatives_form_submit_button',
'#value' => t('Update Derivatives'),
'#weight' => 6,
'#ahah' => array(
'event' => 'click',
'path' => 'admin/settings/islandora_derivatives/submit',
'wrapper' => 'islandora_derivatives',
),
),
'advancedoptions' => array(
'#type' => 'fieldset',
'#title' => t('Advanced options'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#prefix' => '<div id="islandora_derivatives_stomp_url">',
'#suffix' => '</div>',
'#weight' => 7,
'islandora_derivatives_stompurl' => array(
'#type' => 'textfield',
'#title' => t('Stomp URL'),
'#default_value' => variable_get('islandora_derivatives_stompurl', $defaultstomp),
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/change',
'wrapper' => 'islandora_derivatives_stomp_url',
'keypress' => TRUE,
),
)
),
);
if (!isset($form_state['storage']['findmissing'])) {
$form['findmissing'] = array(
'#type' => 'button',
'#value' => t('Search for all objects missing derivatives?'),
'#weight' => 1,
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/findmissing',
'wrapper' => 'islandora_derivatives',
'progress' => array(
'type' => 'bar',
'message' => t('Searching..'),
'interval' => 1,
'url' => '/admin/settings/islandora_derivatives/status'
),
),
);
}
if (isset($form_state['storage']['missingderivs'])) {
$form['missingderivfield'] = array(
'#title' => t('Missing derivatives'),
'#type' => 'fieldset',
'#tree' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#weight' => 1,
);
// Check the form state to see which fieldsets need to be created
if (count($form_state['storage']['missingderivs']['aud']) > 0) {
foreach($form_state['storage']['missingderivs']['aud'] as $pidtext) {
if (!empty($pidtext)) {
if (empty($pidlist)) {
$pidlist = $pidtext;
}
else {
$pidlist .= ', ' . $pidtext;
}
}
}
$form['missingderivfield']['audio'] = array(
'#title' => t('Audio'),
'#type' => 'fieldset',
'#tree' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'audtextarea' => array(
'#type' => 'textarea',
'#value' => $pidlist,
'#disabled' => TRUE,
),
'audioadd' => array(
'#type' => 'checkbox',
'#name' => 'islandora_derivatives_audio_box',
'#title' => t('Add PIDs to processing list?'),
'#weight' => 6,
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/audioadd',
'wrapper' => 'islandora_derivatives',
),
),
);
}
if (count($form_state['storage']['missingderivs']['vid']) > 0) {
foreach($form_state['storage']['missingderivs']['vid'] as $vidtext) {
if (!empty($vidtext)) {
if (empty($vidlist)) {
$vidlist = $vidtext;
}
else {
$vidlist .= ', ' . $vidtext;
}
}
}
$form['missingderivfield']['video'] = array(
'#title' => t('Video'),
'#type' => 'fieldset',
'#tree' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'vidtextarea' => array(
'#type' => 'textarea',
'#value' => $vidlist,
'#disabled' => TRUE,
),
'videoadd' => array(
'#type' => 'checkbox',
'#name' => 'islandora_derivatives_video_box',
'#title' => t('Add PIDs to processing list?'),
'#weight' => 6,
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/videoadd',
'wrapper' => 'islandora_derivatives',
),
),
);
}
if (count($form_state['storage']['missingderivs']['doc']) > 0) {
foreach($form_state['storage']['missingderivs']['doc'] as $doctext) {
if (!empty($doctext)) {
if (empty($doclist)) {
$doclist = $doctext;
}
else {
$doclist .= ', ' . $doctext;
}
}
}
$form['missingderivfield']['doc'] = array(
'#title' => t('Documents'),
'#type' => 'fieldset',
'#tree' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'doctextarea' => array(
'#type' => 'textarea',
'#value' => $doclist,
'#disabled' => TRUE,
),
'docadd' => array(
'#type' => 'checkbox',
'#name' => 'islandora_derivatives_doc_box',
'#title' => t('Add PIDs to processing list?'),
'#weight' => 6,
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/docadd',
'wrapper' => 'islandora_derivatives',
),
),
);
}
if (count($form_state['storage']['missingderivs']['img']) > 0) {
foreach($form_state['storage']['missingderivs']['img'] as $imgtext) {
if (!empty($imgtext)) {
if (empty($imglist)) {
$imglist = $imgtext;
}
else {
$imglist .= ', ' . $imgtext;
}
}
}
$form['missingderivfield']['img'] = array(
'#title' => t('Images'),
'#type' => 'fieldset',
'#tree' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'imgtextarea' => array(
'#type' => 'textarea',
'#value' => $imglist,
'#disabled' => TRUE,
),
'imgadd' => array(
'#type' => 'checkbox',
'#name' => 'islandora_derivatives_img_box',
'#title' => t('Add PIDs to processing list?'),
'#weight' => 6,
'#ahah' => array(
'path' => 'admin/settings/islandora_derivatives/imageadd',
'wrapper' => 'islandora_derivatives',
),
),
);
}
}
// Determine whether the current URL is able to connect to Stomp
if (islandora_derivatives_stomp_avail(variable_get('islandora_derivatives_stompurl', $defaultstomp))) {
$constatus = '<img src="' . url('misc/watchdog-ok.png') . '"/>'
. t('Successfully connected to Stomp server at %stomp_url',
array(
'%stomp_url' => variable_get('islandora_derivatives_stompurl', $defaultstomp)
));
}
else {
$constatus = '<img src="'
. url('misc/watchdog-error.png') . '"/> '
. t('Unable to connect to Stomp server at %stomp_url',
array(
'%stomp_url' => variable_get('islandora_derivatives_stompurl', $defaultstomp)
));
}
$form['advancedoptions']['stompcon'] = array(
'#type' => 'item',
'#value' => $constatus,
);
return $form;
}
/**
* AHAH callback that searches for all the objects that are missing
* derivatives.
*
* @see islandora_derivatives_menu()
*/
function islandora_derivatives_find_missing_js() {
module_load_include('inc', 'php_lib', 'Ahah');
list($form_id, $form_build_id, $form, $form_state) = Ahah::getFormInfo();
$pids = $form_state['post']['pidtextarea'];
$derivoptions = $_POST['derivoptions'];
if (!empty($pids)) {
$pids = str_replace(',', ' ', $pids);
foreach($form_state['storage']['missingderivs'] as $pid) {
$pids = str_replace($pid, '', $pids);
}
$pids = trim($pids);
// This allows for any other values present besides the missing derivs to be
// retained and outputted. Allows for variable whitespacing inbetween the commas
$pidoutput = explode(' ', $pids);
foreach($pidoutput as $pidtext) {
if (!empty($pidtext)) {
if (empty($pidlist)) {
$pidlist = $pidtext;
}
else {
$pidlist .= ', ' . $pidtext;
}
}
}
$pids = $pidlist;
}
// Search for objects missing derivatives
else {
if (!isset($form_state['storage']['missingderivs'])) {
$itql_query = 'select $object from <#ri> where
$object <fedora-model:hasModel> $model
and
(
$object <fedora-rels-ext:isMemberOf> $member
or
$object <fedora-rels-ext:isMemberOfCollection> $collection
)';
module_load_include('inc', 'fedora_repository', 'CollectionClass');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$collectionClass = new CollectionClass();
$query_results = $collectionClass->getRelatedItems(NULL, $itql_query);
$xml_set = simplexml_load_string($query_results);
$missingarray = array(
'img' => array(),
'doc' => array(),
'vid' => array(),
'aud' => array(),
);
foreach ($xml_set->results->result as $result) {
$pid = $result->object->attributes()->uri;
$pid = str_replace('info:fedora/', '', (string)$pid);
preg_match('/(.*):/', $pid, $matches);
$objnamespace = $matches[1] . ':';
$allowednames = explode(' ', trim(variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: ')));
if (in_array($objnamespace, $allowednames)) {
$resultpids[] = $pid;
}
}
// Used in updating the progress bar while searching takes place
variable_set('islandora_derivatives_total_missing', count($resultpids));
variable_set('islandora_derivatives_current_obj', 0);
$allowedds = array(
'DC' => 'DC',
'MODS' => 'MODS',
'RELS-INT' => 'RELS-INT',
'RELS-EXT' => 'RELS-EXT',
'POLICY' => 'POLICY',
'TN' => 'TN',
);
$allowedimg = array(
'jpeg' => 'image/jpeg',
'png' => 'image/png',
'tiff' => 'image/tiff',
'tif' => 'image/tif',
'jp2' => 'image/jp2',
// Need to look at GIFs in microservices 'gif' => 'image/gif',
);
$alloweddoc = array(
'pdf' => 'application/pdf',
'ppt' => 'application/vnd.ms-powerpoint',
'xls' => 'application/vnd.ms-excel',
'word' => 'application/msword',
'rtf' => 'text/rtf',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
);
$allowedaud = array(
'mpeg' => 'audio/mpeg',
'xwav' => 'audio/x-wave',
'vndwave' => 'audio/vnd.wave',
);
$allowedvid = array(
'mp4' => 'video/mp4',
'mov' => 'video/quicktime',
'wmv' => 'video/x-ms-wmv',
);
$combinedmimes = array_merge($allowedimg, $alloweddoc, $allowedaud, $allowedvid);
// Go through and determine which objects are missing derivatives based
// upon the conditions in which microservices checks on.
foreach ($resultpids as $pid) {
variable_set('islandora_derivatives_current_obj', variable_get('islandora_derivatives_current_obj', '1') + 1);
$object = new Fedora_Item($pid);
$missing = FALSE;
$rels = $object->get_datastream_dissemination('RELS-INT');
if (!empty($rels)) {
$xml = new SimpleXMLElement($rels);
$dslist = $object->get_datastreams_list_as_array();
foreach ($dslist as $dsid => $datastream) {
if (!in_array($dsid, $allowedds)) {
// Determine if it is one of our allowed MIMEs before continuing with processing.
if (in_array($datastream['MIMEType'], $combinedmimes)) {
$descriptions = $xml->xpath('rdf:Description[@rdf:about="info:fedora/'.$pid.'/'.$dsid.'"]');
if ($descriptions) {
foreach ($descriptions as $result) {
if (in_array($datastream['MIMEType'], $allowedimg)) {
$jp2 = strpos($result->asXML(), 'hasJP2');
$TN = strpos($result->asXML(), 'hasThumbnail');
if ($jp2 === false || $TN === false) {
$missing = TRUE;
if (!in_array($pid, $missingarray['img'])) {
$missingarray['img'][] = $pid;
}
}
}
elseif (in_array($datastream['MIMEType'], $alloweddoc)) {
$swf = strpos($result->asXML(), 'hasSWF');
$TN = strpos($result->asXML(), 'hasThumbnail');
if ($swf === false || $TN === false) {
$missing = TRUE;
if (!in_array($pid, $missingarray['doc'])) {
$missingarray['doc'][] = $pid;
}
}
}
elseif (in_array($datastream['MIMEType'], $allowedaud)) {
$mp3 = strpos($result->asXML(), 'hasMP3');
$ogg = strpos($result->asXML(), 'hasOGG');
if ($mp3 === false || $ogg === false) {
$missing = TRUE;
if (!in_array($pid, $missingarray['aud'])) {
$missingarray['aud'][] = $pid;
}
}
}
elseif (in_array($datastream['MIMEType'], $allowedvid)) {
$mp4 = strpos($result->asXML(), 'hasMP4');
$TN = strpos($result->asXML(), 'hasThumbnail');
if ($mp4 === false || $TN === false) {
$missing = TRUE;
if (!in_array($pid, $missingarray['vid'])) {
$missingarray['vid'][] = $pid;
}
}
}
}
}
// Doesn't have an RDF about description for the pid and dsid combination.
// Need to check if the datastream being passed in is a derivative.
else {
$missing = TRUE;
$dsidmime = $dslist[$dsid]['MIMEType'];
// Image
if (in_array($dsidmime, $allowedimg) && strpos($dsid, '-tn.jpg') === false && strpos($dsid, '.d.jp2') === false) {
// Check to see if this is a derivative, by
if ($dsidmime == 'image/jp2') {
$origjp2 = preg_replace('/\.jp2/', '', $dsid);
$substrcount = 0;
foreach ($dslist as $key => $value) {
if (strpos($key, $origjp2) !== false) {
$substrcount++;
}
}
if ($substrcount > 1) {
$missing = FALSE;
}
}
}
// Video
elseif (in_array($dsidmime, $allowedvid) && strpos($dsid, '-tn.jpg') === false && strpos($dsid, '.d.mp4') === false) {
if ($dsidmime == 'video/mp4') {
$origmp4 = preg_replace('/\.mp4/', '', $dsid);
$substrcount = 0;
foreach ($dslist as $key => $value) {
if (strpos($key, $origmp4) !== false) {
$substrcount++;
}
}
if ($substrcount > 1) {
$missing = FALSE;
}
}
}
elseif (in_array($dsidmime, $allowedaud) && strpos($dsid, '.d.mp3') === false) {
if ($dsidmime == 'audio/mpeg') {
$origmp3 = preg_replace('/\.mp3/', '', $dsid);
$substrcount = 0;
foreach ($dslist as $key => $value) {
if (strpos($key, $origmp3) !== false) {
$substrcount++;
}
}
if ($substrcount > 1) {
$missing = FALSE;
}
}
}
elseif (in_array($dsidmime, $alloweddoc)) {
if ($dsidmime == 'application/pdf') {
$origpdf = preg_replace('/\.pdf/', '', $dsid);
$substrcount = 0;
foreach ($dslist as $key => $value) {
if (strpos($key, $origpdf) !== false) {
$substrcount++;
}
}
if ($substrcount > 1) {
$missing = FALSE;
}
}
}
if ($missing && strpos($dsid, '-tn.jpg') === false && strpos($dsid, '.d.jp2') === false && strpos($dsid, '.d.mp4') === false && strpos($dsid, '.d.mp3') === false) {
if (in_array($dsidmime, $alloweddoc)) {
if (!in_array($pid, $missingarray['doc'])) {
$missingarray['doc'][] = $pid;
}
}
elseif (in_array($dsidmime, $allowedimg)) {
if (!in_array($pid, $missingarray['img'])) {
$missingarray['img'][] = $pid;
}
}
elseif (in_array($dsidmime, $allowedvid)) {
if (!in_array($pid, $missingarray['vid'])) {
$missingarray['vid'][] = $pid;
}
}
elseif (in_array($dsidmime, $allowedaud)) {
if (!in_array($pid, $missingarray['aud'])) {
$missingarray['aud'][] = $pid;
}
}
}
}
}
}
}
if ($missing) {
$object->forget();
}
else {
$object->forget();
}
}
}
if (empty($missingarray)) {
drupal_set_message(t('There are no objects with missing derivatives in the allowed namespaces!'));
}
else {
$form_state['storage']['missingderivs'] = $missingarray;
}
$form_state['storage']['findmissing'] = 'RAN';
}
}
$form = Ahah::rebuildForm($form_id, $form_build_id, $form, $form_state);
$form['findmissing']['#value'] = $checked;
$form['derivoptions']['#value'] = $derivoptions;
Ahah::respond($form);
exit();
}
/**
* AHAH callback for a user attempting to change the URL of the Stomp server
*
* @see islandora_derivatives_menu()
*/
function islandora_derivatives_change_js() {
module_load_include('inc', 'php_lib', 'Ahah');
require_once('Stomp.php');
list($form_id, $form_build_id, $form, $form_state) = Ahah::getFormInfo();
$form = array();
if (!islandora_derivatives_stomp_avail($form_state['post']['islandora_derivatives_stompurl'])) {
drupal_set_message(t("Connection to Stomp failed!"), error);
}
variable_set('islandora_derivatives_stompurl', $form_state['post']['islandora_derivatives_stompurl']);
$form = Ahah::rebuildForm($form_id, $form_build_id, $form, $form_state);
$data = theme('status_messages');
if (isset($form)) {
unset($form['#prefix'], $form['#suffix']);
$form['advancedoptions']['islandora_derivatives_stompurl']['#value'] = variable_get('islandora_derivatives_stompurl', 'tcp://localhost:61613');
$form['advancedoptions']['#collapsed'] = FALSE;
$data .= drupal_render($form['advancedoptions']);
}
$javascript = drupal_add_js(NULL, NULL, 'header');
$settings = call_user_func_array('array_merge_recursive', $javascript['setting']);
unset($settings['ahah']['']);
drupal_json(array(
'status' => TRUE,
'data' => $data,
'settings' => $settings,
));
exit();
}
/**
* AHAH callback for a user adding a collection to the pid text area to be used
* in regenerating derivatives.
*
* @see islandora_pid_list_menu()
*/
function islandora_derivatives_add_collection_js() {
module_load_include('inc', 'php_lib', 'Ahah');
list($form_id, $form_build_id, $form, $form_state) = Ahah::getFormInfo();
$pidselect = $_POST['collectionoptions'];
$pids = $_POST['pidtextarea'];
$checked = $_POST['findmissing'];
$derivoptions = $_POST['derivoptions'];
if ($pidselect == 'default') {
drupal_set_message(t('No collection selected'), 'error');
}
else {
// We need to walk through the selected collection to get all children of the
// collection. Check to see if they already in the textarea.
$itql_query = 'select $child from <#ri> where
(
walk (
$parent <fedora-rels-ext:isMemberOfCollection> <info:fedora/'.$pidselect.'>
and $child <fedora-rels-ext:isMemberOfCollection> $parent
)
or
walk (
$parent <fedora-rels-ext:isMemberOf> <info:fedora/'.$pidselect.'>
and $child <fedora-rels-ext:isMemberOf> $parent
)
)';
module_load_include('inc', 'fedora_repository', 'CollectionClass');
$collectionClass = new CollectionClass();
$query_results = $collectionClass->getRelatedItems(NULL, $itql_query);
$xml_set = simplexml_load_string($query_results);
foreach($xml_set->results->result as $result) {
$pid = (string) $result->child->attributes()->uri;
preg_match('/info:fedora\/(.*):/', $pid, $matches);
$objnamespace = $matches[1] . ':';
$allowednames = explode(' ', trim(variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: ')));
if (in_array($objnamespace, $allowednames)) {
$pid = str_replace('info:fedora/', '', $pid);
if (!empty($pids)) {
$intext = strpos($pid, $pids);
}
// Add to the pid textarea if doesn't already exist
if ($intext !== true) {
if (strlen($pids) != 0) {
$pids .= ', ' . $pid;
}
else {
$pids = $pid;
}
}
}
}
}
$form = Ahah::rebuildForm($form_id, $form_build_id, $form, $form_state);
$form['pidtextarea']['#value'] = $pids;
Ahah::respond($form);
exit();
}
/*
* Determines whether the given URL results in a valid connection to Stomp.
*
* @param string $url
* The URL that the connection attempts to take place on.
*
* @throws Exception
*
*/
function islandora_derivatives_stomp_avail($url) {
try {
$stomp = new Stomp($url);
$stomp->connect();
} catch (Exception $e) {
return false;
}
return true;
}
/*
* Used to update the percantage of the progress bar during searching.
*/
function islandora_derivatives_search_status() {
$percentage = round((variable_get('islandora_derivatives_current_obj', '1') / variable_get('islandora_derivatives_total_missing', '1000')) * 100);
drupal_json(array('percentage' => $percentage));
}
/*
* Submit handler for the AHAH enabled button. Attempts to connect to Stomp
* and sends messages to the topic/islandora queue in order to regenerate
*
* @throws Exception
*
*/
function islandora_derivatives_submit_js() {
module_load_include('inc', 'php_lib', 'Ahah');
require_once('Stomp.php');
list($form_id, $form_build_id, $form, $form_state) = Ahah::getFormInfo();
if (!empty($form_state['post']['findmissing'])) {
$checked = TRUE;
}
$pids = $_POST['pidtextarea'];
$derivoptions = $_POST['derivoptions'];
try {
$stomp = new Stomp(variable_get('islandora_derivatives_stompurl', $_POST['islandora_derivatives_stompurl']));
$stomp->connect();
} catch (Exception $e) {
drupal_set_message(t("Unable to start process as the connection to Stomp at %stomp_url failed!",
array(
'%stomp_url' => variable_get('islandora_derivatives_stompurl', $_POST['islandora_derivatives_stompurl']),
)
), error);
$failedcon = TRUE;
}
if (!$failedcon) {
if ($derivoptions == 'all') {
$message = 'regenerateDerivatives';
}
elseif ($derivoptions == 'missing') {
$message = 'generateDerivatives';
}
else {
drupal_set_message(t('You must select an option on how to regenerate derivatives'), 'error');
$noderiv = TRUE;
$failed = TRUE;
}
if (!empty($pids) && $noderiv == FALSE) {
$namespaces = explode(' ', trim(variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: ')));
$derivpidlist = explode(',', $pids);
foreach ($derivpidlist as $index => $pid) {
$pid = trim($pid);
$pidnamespace = substr($pid, 0, strpos($pid, ':') + 1);
if (in_array($pidnamespace, $namespaces)) {
$allowedderivs[] = $pid;
}
else {
if (strlen($failedderivs) != 0) {
$failedderivs .= ', ' . $pid;
}
else {
$failedderivs = $pid;
}
}
}
if (!empty($allowedderivs)) {
foreach($allowedderivs as $key => $value) {
$headers['method'] = $message;
$msgarray['pid'] = $value;
$stomp->send('/topic/islandora', json_encode($msgarray), $headers);
$allowedoutput .= $value . " ";
if (isset($form_state['storage']['missingderivs'])) {
// Search for stored value and remove if found
foreach ($form_state['storage']['missingderivs'] as $key => $type) {
$pidkey = array_search($pid, $form_state['storage']['missingderivs'][$key]);
if ($pidkey !== 0) {
unset($form_state['storage']['missingderivs'][$key][$pidkey]);
}
}
}
}
}
}
elseif (empty($pids)) {
drupal_set_message(t('At least one PID must be entered in order to proceed'), 'error');
$failed = TRUE;
}
if (!empty($failedderivs)) {
drupal_set_message(t('The following pids are not in the allowed namespaces and weren\'t processed: %failed',
array(
'%failed' => $failedderivs,
)
), 'error');
}
if (!empty($allowedderivs)) {
drupal_set_message(t('Microservices will begin regenerating derivatives for: %allowedderivs',
array(
'%allowedderivs' => trim($allowedoutput),
)
));
$pids = '';
}
}
$form = Ahah::rebuildForm($form_id, $form_build_id, $form, $form_state);
$form['derivoptions']['#value'] = $derivoptions;
if ($failed) {
$form['pidtextarea']['#value'] = $pids;
}
Ahah::respond($form);
exit();
}
/**
* AHAH callback that adds or removes all missing audio objects to the textarea
*
* @see islandora_derivatives_menu()
*/
function islandora_derivatives_audio_add_js() {
module_load_include('inc', 'php_lib', 'Ahah');
list($form_id, $form_build_id, $form, $form_state) = Ahah::getFormInfo();
if (!empty($form_state['post']['findmissing'])) {
$checked = TRUE;
}
$form_state['storage']['findmissing'] = 'NOPE';
$pids = $form_state['post']['pidtextarea'];
$derivoptions = $_POST['derivoptions'];
if ($form_state['post']['islandora_derivatives_audio_box'] == 1) {
$form_state['storage']['derivboxes']['audio'] = 1;
}
else {
$form_state['storage']['derivboxes']['audio'] = 0;
}
$form = Ahah::rebuildForm($form_id, $form_build_id, $form, $form_state);
$form['derivoptions']['#value'] = $derivoptions;
// Remember the user's checkboxes
if (isset($form_state['storage']['derivboxes'])) {
foreach ($form_state['storage']['derivboxes'] as $key => $value) {