' . $pids[0] . '';
}
elseif (count($form_state['pids_to_delete']) <= 10) {
$pid_paths = '';
foreach($pids as $pid) {
$pid_paths = $pid_paths . '- ' . $pid . '
';
$pid_links[] = '' . $pid . '';
}
$pid_paths = $pid_paths . '
';
}
$form['confirm_message'] = array(
'#type' => 'item',
'#markup' => format_plural(count($form_state['pids_to_delete']),
'Are you sure you want to delete the object ' . $pid_paths . '? This action cannot be reversed.',
'Are you sure you want to delete these @count objects? This action cannot be reversed.' . $pid_paths),
);
$form['confirm_submit'] = array(
'#type' => 'submit',
'#value' => t('Confirm'),
'#weight' => 2,
'#submit' => array('islandora_orphaned_objects_manage_confirm_submit'),
);
$form['cancel_submit'] = array(
'#type' => 'submit',
'#value' => t('Cancel'),
'#weight' => 3,
);
}
else {
$orphaned_objects = islandora_get_orphaned_objects();
$rows = array();
foreach ($orphaned_objects as $orphaned_object) {
$pid = $orphaned_object['object']['value'];
if (islandora_namespace_accessible($pid)) {
$rows[$pid] = array(l($orphaned_object['title']['value'] . " (" . $pid . ")", "islandora/object/$pid"));
}
}
ksort($rows);
$form['management_table'] = array(
'#type' => 'tableselect',
'#header' => array(t('Object')),
'#options' => $rows,
'#attributes' => array(),
'#empty' => t('No orphaned objects were found.'),
);
if (!empty($rows)) {
$form['submit_selected'] = array(
'#type' => 'submit',
'#name' => 'islandora-orphaned-objects-submit-selected',
'#validate' => array('islandora_orphaned_objects_manage_delete_selected_validate'),
'#submit' => array('islandora_orphaned_objects_manage_delete_submit'),
'#value' => t('Delete Selected'),
);
$form['submit_all'] = array(
'#type' => 'submit',
'#name' => 'islandora-orphaned-objects-submit-all',
'#submit' => array('islandora_orphaned_objects_manage_delete_submit'),
'#value' => t('Delete All'),
);
}
}
return $form;
}
/**
* Validation for the Islandora Orphaned Objects management form.
*
* @param array $form
* An array representing a form within Drupal.
* @param array $form_state
* An array containing the Drupal form state.
*/
function islandora_orphaned_objects_manage_delete_selected_validate($form, $form_state) {
$selected = array_filter($form_state['values']['management_table']);
if (empty($selected)) {
form_error($form['management_table'], t('At least one object must be selected to delete!'));
}
}
/**
* Submit handler for the delete buttons in the workflow management form.
*
* @param array $form
* An array representing a form within Drupal.
* @param array $form_state
* An array containing the Drupal form state.
*/
function islandora_orphaned_objects_manage_delete_submit(&$form, &$form_state) {
if ($form_state['triggering_element']['#name'] == 'islandora-orphaned-objects-submit-selected') {
$selected = array_keys(array_filter($form_state['values']['management_table']));
}
else {
$selected = array_keys($form_state['values']['management_table']);
}
$form_state['pids_to_delete'] = $selected;
// Rebuild to show the confirm form.
$form_state['rebuild'] = TRUE;
$form_state['show_confirm'] = TRUE;
}
/**
* Submit handler for the workflow management confirm form.
*
* @param array $form
* An array representing a form within Drupal.
* @param array $form_state
* An array containing the Drupal form state.
*/
function islandora_orphaned_objects_manage_confirm_submit($form, &$form_state) {
$batch = islandora_orphaned_objects_delete_create_batch($form_state['pids_to_delete']);
batch_set($batch);
}
/**
* Query for orphaned objects.
*
* @return array
* An array containing the results of the orphaned objects queries.
*/
function islandora_get_orphaned_objects() {
$connection = islandora_get_tuque_connection();
// SPARQL: get orphaned objects, exclude any with a living parent.
$object_query = <<
SELECT DISTINCT ?object ?title
WHERE {
?object ;
?p ?otherobject .
?object ?title;
OPTIONAL {
?otherobject ?model .
} .
FILTER (!bound(?model))
# Filter by "parent" relationships - isMemberOf, isMemberOfCollection, isPageOf.
FILTER (?p = || ?p = || ?p = )
# Exclude objects with live parents - isMemberOf, isMemberOfCollection, isPageOf.
OPTIONAL {
{?object ?liveparent }
UNION {?object ?liveparent }
UNION { ?object ?liveparent } .
?liveparent .
}
!optionals
!filters
FILTER (!bound(?liveparent))
} ORDER BY ?object
EOQ;
$optionals = (array) module_invoke('islandora_xacml_api', 'islandora_basic_collection_get_query_optionals', 'view');
$filter_modules = array(
'islandora_xacml_api',
'islandora',
);
$filters = array();
foreach ($filter_modules as $module) {
$filters = array_merge_recursive($filters, (array) module_invoke($module, 'islandora_basic_collection_get_query_filters', 'view'));
}
$filter_map = function ($filter) {
return "FILTER($filter)";
};
// Use separate queries for different object types.
$sparql_query_objects = format_string($object_query, array(
'!optionals' => !empty($optionals) ? ('OPTIONAL {{' . implode('} UNION {', $optionals) . '}}') : '',
'!filters' => !empty($filters) ? implode(' ', array_map($filter_map, $filters)) : '',
));
$results = $connection->repository->ri->sparqlQuery($sparql_query_objects);
return $results;
}
/**
* Constructs the batch that will go out and delete objects.
*
* @param array $pids
* The array of pids to be deleted.
*
* @return array
* An array detailing the batch that is about to be run.
*/
function islandora_orphaned_objects_delete_create_batch($pids) {
// Set up a batch operation.
$batch = array(
'operations' => array(
array('islandora_orphaned_objects_delete_batch_operation', array($pids)),
),
'title' => t('Deleting the selected objects...'),
'init_message' => t('Preparing to delete objects.'),
'progress_message' => t('Time elapsed: @elapsed
Estimated time remaining @estimate.'),
'error_message' => t('An error has occurred.'),
'finished' => 'islandora_orphaned_objects_delete_batch_finished',
'file' => drupal_get_path('module', 'islandora') . '/includes/orphaned_objects.inc',
);
return $batch;
}
/**
* Constructs and performs the deleting batch operation.
*
* @param array $pids
* An array of pids to be deleted.
* @param array $context
* The context of the Drupal batch.
*/
function islandora_orphaned_objects_delete_batch_operation($pids, &$context) {
if (empty($context['sandbox'])) {
$context['sandbox'] = array();
$context['sandbox']['progress'] = 0;
$context['sandbox']['pids'] = $pids;
$context['sandbox']['total'] = count($pids);
$context['results']['success'] = array();
}
if (!empty($context['sandbox']['pids'])) {
$target_pid = array_pop($context['sandbox']['pids']);
$target_object = islandora_object_load($target_pid);
$context['message'] = t('Deleting @label (@pid) (@current of @total)...', array(
'@label' => $target_object->label,
'@pid' => $target_object->pid,
'@current' => $context['sandbox']['progress'],
'@total' => $context['sandbox']['total'],
));
islandora_delete_object($target_object);
$context['results']['success'][] = $target_pid;
$context['sandbox']['progress']++;
}
$context['finished'] = ($context['sandbox']['total'] == 0) ? 1 : ($context['sandbox']['progress'] / $context['sandbox']['total']);
}
/**
* Finished function for the orphaned objects delete batch.
*
* @param bool $success
* Whether the batch was successful or not.
* @param array $results
* An array containing the results of the batch operations.
* @param array $operations
* The operations array that was used in the batch.
*/
function islandora_orphaned_objects_delete_batch_finished($success, $results, $operations) {
if ($success) {
$message = format_plural(count($results['success']), 'One object deleted.', '@count objects deleted.');
}
else {
$message = t('Finished with an error.');
}
drupal_set_message($message);
}