/**
* Builds a metadata item for a field value.
*
* It will add information about the referenced entity.
*
* @param \EntityMetadataWrapper $wrapper
* The wrapper for the referenced file array.
*
* @return array
* The metadata array item.
*/
protected function buildResourceMetadataItem($wrapper)
{
$file_array = $wrapper->value();
/* @var \EntityDrupalWrapper $wrapper */
$wrapper = entity_metadata_wrapper('file', $file_array['fid']);
return parent::buildResourceMetadataItem($wrapper);
}
public function isValidValue($field_name, $value, EntityMetadataWrapper $wrapper, EntityMetadataWrapper $property_wrapper)
{
$info = $property_wrapper->Info();
if ($info['type'] == 'field_item_image') {
$value = array($value);
}
parent::isValidValue($field_name, $value, $wrapper, $property_wrapper);
}
/**
* Overrides \RestfulEntityBase::checkPropertyAccess().
*
* Allow user to create a label for the unsaved term, even if the user doesn't
* have access to update existing terms, as required by the entity metadata
* wrapper's access check.
*/
protected function checkPropertyAccess($op, $public_field_name, EntityMetadataWrapper $property, EntityMetadataWrapper $wrapper) {
$info = $property->info();
$term = $wrapper->value();
if (!empty($info['name']) && $info['name'] == 'name' && empty($term->tid) && $op == 'edit') {
return TRUE;
}
return parent::checkPropertyAccess($op, $public_field_name, $property, $wrapper);
}
/**
* Overrides RestfulEntityBase::entityPreSave().
*
* Set the node author and other defaults.
*/
public function entityPreSave(\EntityMetadataWrapper $wrapper) {
$node = $wrapper->value();
if (!empty($node->nid)) {
// Node is already saved.
return;
}
node_object_prepare($node);
$node->uid = $this->getAccount()->uid;
}
/**
* Get the meters list of the account.
*/
function getMeters(\EntityMetadataWrapper $wrapper)
{
$nid = $wrapper->getIdentifier();
$query = new EntityFieldQuery();
$result = $query->entityCondition('entity_type', 'node')->entityCondition('bundle', 'iec_meter')->propertyCondition('status', NODE_PUBLISHED)->fieldCondition(OG_AUDIENCE_FIELD, 'target_id', $nid)->propertyOrderBy('nid')->execute();
if (empty($result['node'])) {
return;
}
$nids = array_keys($result['node']);
$handler = restful_get_restful_handler('iec_meters');
return $handler->get(implode(',', $nids));
}
/**
* Get the children of the current category item by id.
*/
protected function getChildren(\EntityMetadataWrapper $wrapper)
{
$vocabulary = taxonomy_vocabulary_machine_name_load($this->getBundle());
$children = taxonomy_get_children($wrapper->getIdentifier(), $vocabulary->vid);
// Exit if there is not children.
if (empty($children)) {
return;
}
$return = array();
// Get just an array of id.
foreach ($children as $term) {
$return[] = $term->tid;
}
return $return;
}
/**
* Get value from a property.
*
* @param \EntityMetadataWrapper $property_wrapper
* The property wrapper. Either \EntityDrupalWrapper or \EntityListWrapper.
*
* @return mixed
* A single or multiple values.
*/
protected function fieldValue(\EntityMetadataWrapper $property_wrapper)
{
if ($this->getSubProperty() && $property_wrapper->value()) {
$property_wrapper = $property_wrapper->{$this->getSubProperty()};
}
// Wrapper method.
return $property_wrapper->{$this->getWrapperMethod()}();
}
/**
* Sets language of specific fields on an EntityMetadataWrapper object.
*
* This is essentially a copy of search_api_extract_fields(), just slightly
* adapted to set language on the wrapper fields instead of extracting them.
*
* @param EntityMetadataWrapper $wrapper
* The wrapper on which fields to set language on.
* @param array $fields
* The fields to set language on, as stored in an index. I.e., the array
* keys are field names, the values are arrays with at least a "type" key
* present.
* @param array $langcode
* A code of the language to set to wrapper fields.
*
* @return array
* The $fields array with additional "value" and "original_type" keys set.
*
* @see SearchApiEtDatasourceController::getMetadataWrapper()
* @see SearchApiEtDatasourceController::setLanguage()
*/
protected function setLanguage($wrapper, $fields, $langcode)
{
// If $wrapper is a list of entities, we have to aggregate their field values.
$wrapper_info = $wrapper->info();
if (search_api_is_list_type($wrapper_info['type'])) {
foreach ($fields as &$info) {
$info['value'] = array();
$info['original_type'] = $info['type'];
}
unset($info);
try {
foreach ($wrapper as $w) {
$nested_fields = $this->setLanguage($w, $fields, $langcode);
foreach ($nested_fields as $field => $info) {
if (isset($info['value'])) {
$fields[$field]['value'][] = $info['value'];
}
if (isset($info['original_type'])) {
$fields[$field]['original_type'] = $info['original_type'];
}
}
}
} catch (EntityMetadataWrapperException $e) {
// Catch exceptions caused by not set list values.
}
return $fields;
}
$nested = array();
foreach ($fields as $field => $info) {
$pos = strpos($field, ':');
if ($pos === FALSE) {
if (isset($wrapper->{$field}) && method_exists($wrapper->{$field}, 'language')) {
$wrapper->{$field}->language($langcode);
}
} else {
list($prefix, $key) = explode(':', $field, 2);
$nested[$prefix][$key] = $info;
}
}
foreach ($nested as $prefix => $nested_fields) {
if (isset($wrapper->{$prefix})) {
$nested_fields = $this->setLanguage($wrapper->{$prefix}, $nested_fields, $langcode);
foreach ($nested_fields as $field => $info) {
$fields["{$prefix}:{$field}"] = $info;
}
} else {
foreach ($nested_fields as &$info) {
$info['value'] = NULL;
$info['original_type'] = $info['type'];
}
}
}
return $fields;
}
/**
* Get the "self" url.
*
* @param \EntityMetadataWrapper $wrapper
* The wrapped entity.
*
* @return string
* The self URL.
*/
protected function getEntitySelf(\EntityMetadataWrapper $wrapper) {
return $this->versionedUrl($wrapper->getIdentifier());
}
