@ -3,433 +3,9 @@
/**
* @file
* CollectionManagement.inc
* A set of useful functions to help with collection management
*/
/**
* collection creation form
* @param array $form_state
* @param string $parent_collection_pid
* @param string $content_models
* @return array
*/
function collection_management_form($this_collection_pid, $content_models) {
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
module_load_include('inc', 'fedora_repository', 'CollectionPolicy');
$restricted = FALSE;
if (variable_get('fedora_namespace_restriction_enforced', TRUE)) {
$restricted = TRUE;
$allowed_string = variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora:');
$namespaces = explode(':', $allowed_string);
foreach ($namespaces as $namespace) {
if ($namespace) {
$allowed[trim($namespace)] = trim($namespace);
}
}
}
$collection_policy = CollectionPolicy::loadFromCollection($this_collection_pid);
if ($collection_policy) {
$supported_collection_models = $collection_policy->getContentModels();
}
$collection_namespace = substr($this_collection_pid, 0, strpos($this_collection_pid, ":"));
$represented_content_models = get_represented_content_models($this_collection_pid);
$item = new Fedora_Item($this_collection_pid);
$collection_name = $item->objectProfile->objLabel;
$new_content_models = get_content_models_as_option_array();
$current_models_in_policy = array();
if ($supported_collection_models) {
foreach ($supported_collection_models as $supported_model) {
$current_models_in_policy[$supported_model->pid] = $supported_model->pid;
}
}
$cm_options = array();
$name_mappings = array();
foreach ($content_models as $content_model) {
if ($content_model->pid != "islandora:collectionCModel") {
$item = new fedora_item($content_model->pid);
$cm_name = $item->objectProfile->objLabel;
$cm_options[$content_model->pid] = $cm_name;
}
}
if (!empty($current_models_in_policy)) {
$show_delete = TRUE;
}
$content_models = get_content_models_as_option_array();
unset($content_models['islandora:collectionCModel']);
$form['child_creation'] = array(
'#title' => "Create Child Collection",
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['child_creation']['titlebox'] = array(
'#type' => 'item',
'#value' => t("Create New Child Collection within $this_collection_pid"),
);
$form['child_creation']['collection_name'] = array(
'#title' => "Collection Name",
'#type' => 'textfield',
'#description' => t("Human readable name for this collection"),
);
$form['child_creation']['new_collection_pid'] = array(
'#title' => "Collection PID",
'#type' => 'textfield',
'#size' => 15,
'#default_value' => Fedora_Item::get_next_PID_in_namespace($collection_namespace),
'#description' => t("Unique PID for this collection. < br / > Pids take the general form of namespace:collection eg islandora:pamphlets"),
);
if (!$restricted) {
$form['child_creation']['collection_namespace'] = array(
'#title' => "Collection Namespace",
'#type' => 'textfield',
'#size' => 15,
'#default_value' => $collection_namespace,
'#description' => t("Namespace for objects in this collection."),
);
}
else {
$form['child_creation']['collection_namespace'] = array(
'#title' => "Collection Namespace",
'#type' => 'select',
'#options' => $allowed,
'#default_value' => 'default',
'#description' => t("Namespace for objects in this collection."),
);
}
$form['parent_collection'] = array(
'#type' => 'hidden',
'#value' => $this_collection_pid,
);
$form['collection_pid'] = array(
'#type' => 'hidden',
'#value' => $this_collection_pid,
);
$form['child_creation']['content_models'] = array(
'#title' => "Choose allowable content models for this collection",
'#type' => 'checkboxes',
'#options' => $content_models,
'#description' => t("Content models describe the behaviours of objects with which they are associated."),
);
$form['child_creation']['submit'] = array(
'#type' => 'submit',
'#value' => t('Create Collection'),
'#id' => 'create_child'
);
$form['manage_collection_policy'] = array(
'#title' => "Manage Collection Policies",
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['manage_collection_policy']['add'] = array(
'#title' => "Add Content Model to Collection Policy",
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => $show_delete,
);
$new_options = array();
if (is_array($content_models) & & is_array($cm_options)) {
$new_options = array_diff_key($content_models, $cm_options);
}
$form ['manage_collection_policy']['add']['content_model_to_add'] = array(
'#title' => "Choose Content Model",
'#type' => 'select',
'#options' => $new_options,
'#description' => t("Choose content model to add to this collection policy."),
);
$form ['manage_collection_policy']['add']['new_cp_namespace'] = array(
'#title' => "Choose Namespace",
'#type' => 'textfield',
'#size' => 15,
'#default_value' => $collection_namespace,
'#description' => t("Choose namespace for objects in this collection associated with this content model"),
);
$form['manage_collection_policy']['add']['submit'] = array(
'#type' => 'submit',
'#value' => t('Add Content Model to Collection Policy'),
'#id' => 'add_cm'
);
if (count($current_models_in_policy) > 0) {
$form['manage_collection_policy']['remove'] = array(
'#title' => "Delete Content Model from Collection Policy",
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form ['manage_collection_policy']['remove']['content_models_to_remove'] = array(
'#title' => "Choose Content Model to Remove",
'#type' => 'checkboxes',
'#options' => $current_models_in_policy,
'#description' => t("Choose content models to remove from this collection policy."),
);
$form['manage_collection_policy']['remove']['submit'] = array(
'#type' => 'submit',
'#value' => t('Remove Content Model From Collection Policy'),
'#id' => 'remove_cm'
);
}
$form['change_cmodel'] = array(
'#title' => "Change Content Models",
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['change_cmodel']['titlebox'] = array(
'#type' => 'item',
'#value' => t("Change Content Models within $this_collection_pid"),
);
$form['change_cmodel']['current_content_model'] = array(
'#title' => "Choose content model to be changed",
'#type' => 'select',
'#options' => $represented_content_models,
'#description' => t("All objects in this collection with the selected content model will be changed."),
);
$form['change_cmodel']['new_content_model'] = array(
'#title' => "Choose new content model",
'#type' => 'select',
'#options' => $new_content_models,
'#description' => t("The new content model to be assigned to selected objects."),
);
$form['change_cmodel']['collection_pid'] = array(
'#type' => 'hidden',
'#value' => $this_collection_pid,
);
$form['change_cmodel']['submit'] = array(
'#type' => 'submit',
'#value' => t('Change Content Model Associations'),
'#id' => 'change_model',
);
return $form;
}
/**
* collection creation form validate
* @param array $form
* @param array $form_state
*/
function collection_management_form_validate($form, & $form_state) {
if ($form_state['clicked_button']['#id'] == 'create_child') {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
$pid = $form_state['values']['new_collection_pid'];
$item = new fedora_item($pid);
$needs_model = FALSE;
foreach ($form_state['values']['content_models'] as $key => $value) {
if (is_string($value)) {
$needs_model = FALSE;
}
}
$checked = array_values($form_state['values']['content_models']);
if ($item->exists()) {
form_set_error('new_collection_pid', t("$pid already exists within your repository. the PID must be unique. Click on 'Manage This Collection' tab and enter new value."));
return;
}
if (!valid_pid($pid)) {
form_set_error('new_collection_pid', t("$pid is not a valid identifier. Click on 'Manage This Collection' tab and enter new value."));
return;
}
if ($needs_model) {
form_set_error('content_models', t("At least one content model must be selected. Click on 'Manage This Collection' tab and enter content model."));
return;
}
}
if ($form_state['clicked_button']['#id'] == 'add_cm') {
$name_parts = explode(":", $form_state['values']['new_cp_namespace']);
$namespace = $name_parts[0] . ":1";
if (!valid_pid($namespace)) {
form_set_error('new_cp_namespace', t("Namespace must be valid. Click on 'Manage This Collection' tab and enter new value."));
return;
}
$form_state['values']['new_cp_namespace'] = $namespace;
}
}
/**
* collection creation form submit
* @global user $user
* @param arary $form
* @param array $form_state
*/
function collection_management_form_submit($form, & $form_state) {
module_load_include('inc', 'fedora_repository', 'api/fedora_collection');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'api/dublin_core');
global $user;
$collection_pid = $form_state['values']['parent_collection'];
$policy = CollectionPolicy::loadFromCollection($collection_pid, TRUE);
$collection_policy = '<? xml version = "1.0" encoding = "UTF-8" ?>
< collection_policy xmlns = "http://www.islandora.ca" xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" name = "" xsi:schemaLocation = "http://www.islandora.ca http://syn.lib.umanitoba.ca/collection_policy.xsd" >
< content_models >
< content_model dsid = "ISLANDORACM" name = "Islandora Collection Model ~ islandora:collectionCModel" namespace = "islandora:1" pid = "islandora:collectionCModel" / >
< / content_models >
< search_terms >
< / search_terms >
< staging_area > < / staging_area >
< relationship > isMemberOfCollection< / relationship >
< / collection_policy > ';
// add child collection to policy
if ($form_state['clicked_button']['#id'] == 'create_child') {
$module_path = drupal_get_path('module', 'fedora_repository');
$thumbnail = drupal_get_path('module', 'Fedora_Repository') . '/images/Crystal_Clear_filesystem_folder_grey.png';
$new_collection_pid = $form_state['values']['new_collection_pid'];
$new_collection_label = $form_state['values']['collection_name'];
$pid_namespace = $form_state['values']['collection_namespace'];
$all_cModels = get_content_models_as_option_array();
$content_models = $form_state['values']['content_models'];
$collection_policy_xml = simplexml_load_string($collection_policy);
foreach ($content_models as $content_model) {
if ($content_model) {
$node = $collection_policy_xml->content_models->addChild('content_model');
$node->addAttribute('dsid', 'ISLANDORACM');
$node->addAttribute('name', $all_cModels[$content_model]);
$node->addAttribute('namespace', $pid_namespace . ':1');
$node->addAttribute('pid', $content_model);
}
}
$item = fedora_item::ingest_new_item($new_collection_pid, 'A', $new_collection_label, $user->name);
$item->add_relationship('isMemberOfCollection', $collection_pid, RELS_EXT_URI);
$item->add_relationship('hasModel', 'islandora:collectionCModel', FEDORA_MODEL_URI);
$item->add_datastream_from_string($collection_policy_xml->saveXML(), 'COLLECTION_POLICY', 'COLLECTION_POLICY', 'text/xml', 'X');
$item->add_datastream_from_file($thumbnail, 'TN');
drupal_goto("/fedora/repository/$new_collection_pid");
}
// add content model to collection policy
if ($form_state['clicked_button']['#id'] == 'add_cm') {
if (!$policy) {
$item = new Fedora_Item($collection_pid);
$item->add_datastream_from_string($collection_policy, 'COLLECTION_POLICY', 'COLLECTION_POLICY', 'text/xml', 'X');
$policy = CollectionPolicy::loadFromCollection($collection_pid, TRUE);
}
$cp_namespace = $form_state['values']['new_cp_namespace'];
$cp_content_model = $form_state['values']['content_model_to_add'];
$policy->addModel(ContentModel::loadFromModel($cp_content_model), $cp_namespace);
$policy->saveToFedora();
drupal_set_message("Collection model successfully added");
}
//remove content model from collection policy
if ($form_state['clicked_button']['#id'] == 'remove_cm') {
$candidates = $form_state['values']['content_models_to_remove'];
$count = 0;
foreach ($candidates as $candidate) {
if (is_string($candidate)) {
$policy->removeModel(ContentModel::loadFromModel($candidate));
$count++;
}
}
if ($count > 0) {
$policy->saveToFedora();
if ($count > 1) {
$s = 's';
}
drupal_set_message("$count collection model$s removed");
}
}
//change content model on selected objects
if ($form_state['clicked_button']['#id'] == 'change_model') {
$current_content_model = $form_state['values']['current_content_model'];
$new_content_model = $form_state['values']['new_content_model'];
$add_to_policy = TRUE;
$policy_cms = $policy->getContentModels();
foreach ($policy_cms as $policy_cm) {
if ($policy_cm->pid == $current_content_model) {
$namespace = $policy_cm->pid_namespace;
}
if ($policy_cm->pid == $new_content_model) {
$add_to_policy = FALSE;
}
}
if ($add_to_policy) {
$policy->addModel(ContentModel::loadFromModel($new_content_model), $namespace);
$policy->saveToFedora();
}
$query = "select \$object from < #ri>
where (\$object < info:fedora / fedora-system:def / model # hasModel > < info:fedora / $ current_content_model >
and (\$object < info:fedora / fedora-system:def / relations-external # isMemberOfCollection > < info:fedora / $ collection_pid >
or \$object < info:fedora / fedora-system:def / relations-external # isMemberOf > < info:fedora / $ collection_pid > )
and \$object < fedora-model:state > < info:fedora / fedora-system:def / model # Active > )";
$query = htmlentities(urlencode($query));
$content = '';
$url = variable_get('fedora_repository_url', 'http://localhost:8080/fedora/risearch');
$url .= "?type=tuples& flush=TRUE& format=csv& limit=$limit& offset=$offset& lang=itql& stream=on& query=" . $query;
$content .= do_curl($url);
$results = explode("\n", $content);
$object_pids = preg_replace('/^info:fedora\/|"object"/', '', $results);
$count = 0;
foreach ($object_pids as $object_pid) {
if (!$object_pid) {
continue;
}
$item = new fedora_item($object_pid);
$item->purge_relationship('hasModel', $current_content_model);
$item->add_relationship('hasModel', $new_content_model, FEDORA_MODEL_URI);
$count++;
}
drupal_set_message("$current_content_model changed to $new_content_model on $count objects");
}
}
/**
* deletes PID
* @param string $pid
*/
function delete_objects_as_batch($pid) {
module_load_include('inc', 'islandora', 'RestConnection');
$rest_connection = new RestConnection();
$name = $user->name;
$rest_connection->repository->purgeObject($pid);
}
/**
* removes association of this object to this collection
* @param string $pid
*/
function remove_collection_association($pid, $collection_pid) {
module_load_include('inc', 'islandora', 'RestConnection');
$rest_connection = new RestConnection();
$fedora_object = new FedoraObject($pid, $rest_connection->repository);
$fedora_object->relationships->remove(NULL, 'isMemberOfCollection', $collection_pid);
}
/**
* returns content models associated with all objects in a collection
* @param string $pid
@ -475,7 +51,7 @@ EOD;
return $collection_pids;
}
function I slandora_collections_get_collection_from_pid($pid) {
function i slandora_collections_get_collection_from_pid($pid) {
module_load_include('inc', 'islandora', 'RestConnection');
$rest_connection = new RestConnection();
require_once 'sites/all/libraries/tuque/RepositoryQuery.php';
@ -505,7 +81,9 @@ function get_related_items_as_array($collection_pid, $relationship = array('isMe
require_once 'sites/all/libraries/tuque/RepositoryQuery.php';
global $user;
// if (!fedora_repository_access(OBJECTHELPER :: $OBJECT_HELPER_VIEW_FEDORA, $pid, $user)) {
// Not sure if this is necessary given that we should never be able to delete objects in a namespace that we don't have access to.
// if (!fedora_repository_access('view fedora repository', $collection_pid['object']['value'])) {
// drupal_set_message(t("You do not have access to Fedora objects within the attempted namespace or access to Fedora denied."), 'error');
// return array();
// }
@ -547,20 +125,43 @@ function get_related_items_as_array($collection_pid, $relationship = array('isMe
}
//function get_related_items_as_array($collection_pid, $relationship = 'isMemberOfCollection', $limit = 10000, $offset = 0, $active_objects_only = TRUE, $cmodel = NULL, $orderby = '$title') {
// $content = get_related_items_as_xml($collection_pid, $relationship, $limit, $offset, $active_objects_only, $cmodel, $orderby);
// if (empty($content)) {
// return array();
// }
//
// $content = new SimpleXMLElement($content);
//
// $resultsarray = array();
// foreach ($content->results->result as $result) {
// $resultsarray[] = substr($result->object->attributes()->uri, 12); // Remove 'info:fedora/'.
// }
// return $resultsarray;
//}
/**
* determines whether we can see the object or not
* checks PID namespace permissions, and user permissions
* @global type $user
* @param type $op
* @param type $pid
* @return type
*/
function fedora_repository_access($permission, $pid) {
global $user;
$name_space_access = FALSE;
$is_restricted = variable_get('islandora_namespace_restriction_enforced', TRUE);
if (!$is_restricted) {
$name_space_access = TRUE;
}
if ($pid == NULL) {
$pid = variable_get('islandora_repository_pid', 'islandora:root');
}
$name_space_allowed = explode(" ", variable_get('fedora_pids_allowed', 'default: demo: changeme: islandora: ilives: islandora-book: books: newspapers: '));
$pos = NULL;
foreach ($name_space_allowed as $name_space) {
$pos = stripos($pid, $name_space);
if ($pos === 0) {
$name_space_access = TRUE;
}
}
if ($name_space_access) {
$user_access = user_access($permission);
if ($user_access == NULL) {
return FALSE;
}
return $user_access;
}
else {
return FALSE;
}
}
/**
* gets the name of the content models for the specified object
@ -570,9 +171,7 @@ function get_related_items_as_array($collection_pid, $relationship = array('isMe
* @return array
*/
function get_content_models_list($pid, $include_fedora_system_content_models = FALSE) {
// module_load_include('inc', 'fedora_repository', 'CollectionClass');
// module_load_include('inc', 'fedora_repository', 'ContentModel');
// $collectionHelper = new CollectionClass();
module_load_include('inc', 'islandora', 'RestConnection');
require_once 'sites/all/libraries/tuque/RepositoryQuery.php';
$rest_connection = new RestConnection();
@ -580,7 +179,6 @@ function get_related_items_as_array($collection_pid, $relationship = array('isMe
$query = 'select $object from < #ri>
where < info:fedora / ' . $ pid . ' > < fedora-model:hasModel > $object
and $object < fedora-model:state > < info:fedora / fedora-system:def / model # Active > ';
// $content_models = $collectionHelper->getRelatedItems($pid, $query);
$content_models = $rest_connection->repository->ri->itqlQuery($query, 'unlimited', '0');
if (empty($content_models)) {
@ -593,16 +191,12 @@ function get_related_items_as_array($collection_pid, $relationship = array('isMe
continue;
}
$cmodels[] = substr(strstr($content_model['object']['uri'], '/'), 1);
// $cm = ContentModel::loadFromModel($cmodel_pid);
// if ($cm) {
// $cmodels[] = $cm;
// }
}
return $cmodels;
}
/**
/**
* Function: get_content_models_as_option_array
*
* Description: Returns an associative array of all available content models in Fedora instance
@ -644,30 +238,4 @@ function get_content_models_as_option_array() {
}
return $options;
}
function getContentModels($collection_pid, $showError = TRUE) {
module_load_include('inc', 'islandora', 'RestConnection');
$rest_connection = new RestConnection();
// module_load_include('inc', 'Fedora_Repository', 'ContentModel');
$collection_stream = $this->getCollectionPolicyStream($collection_pid);
$collection_object = new FedoraObject($collection_pid, $rest_connection->repository);
$collection_stream = $collection_object->getDatastream('COLLECTION_POLICY');
try {
$xml = new SimpleXMLElement($collection_stream);
} catch (Exception $e) {
if ($showError) {
drupal_set_message(t('@e', array('@e' => check_plain($e->getMessage()))), 'error');
}
return NULL;
}
foreach ($xml->contentmodels->contentmodel as $content_model) {
$contentModel = new ContentModel();
$contentModel->contentModelDsid = $content_model->dsid;
$contentModel->contentModelPid = $content_model->pid;
$contentModel->pidNamespace = $content_model->pidNamespace;
$contentModel->contentModelName = $content_model['name'];
$models[] = $contentModel;
}
return $models;
}
}
jonathangreen
13 years ago