class SearchApiAttachmentsReferencesAlterSettings in Search API attachments 7
Hierarchy
- class \SearchApiAbstractAlterCallback implements SearchApiAlterCallbackInterface
Expanded class hierarchy of SearchApiAttachmentsReferencesAlterSettings
1 string reference to 'SearchApiAttachmentsReferencesAlterSettings'
- search_api_attachments_references_search_api_alter_callback_info in contrib/
search_api_attachments_references/ search_api_attachments_references.module - Implements hook_search_api_alter_callback_info().
File
- contrib/
search_api_attachments_references/ includes/ callback_attachments_references_settings.inc, line 11 - Search API data alteration callback.
View source
class SearchApiAttachmentsReferencesAlterSettings extends SearchApiAttachmentsAlterSettings {
/**
* {@inheritdoc}
*/
public function alterItems(array &$items) {
// Get the reference fields.
$reference_fields = $this
->getReferenceFields();
// Get the file fields.
$file_fields = $this
->getFileFields();
foreach ($items as &$item) {
$item_wrapper = entity_metadata_wrapper($this->index
->getEntityType(), $item);
// Case of entity reference fields.
foreach ($reference_fields as $reference_field) {
if (isset($item->{$reference_field['field_name']})) {
$referenced_entities = $item_wrapper->{$reference_field['field_name']}
->value();
// Manage case of field having no value and continue with next field.
if (empty($referenced_entities)) {
continue;
}
// Manage case of single value fields by reproducing the structure of
// multiple values fields.
if (is_object($referenced_entities)) {
$referenced_entities = array(
$referenced_entities,
);
}
// Index the files content.
if (!empty($file_fields)) {
foreach ($file_fields as $file_field) {
foreach ($referenced_entities as $referenced_entity) {
// The referenced entity has the file field.
if (isset($referenced_entity->{$file_field['field_name']}) && !empty($referenced_entity->{$file_field['field_name']})) {
// Get the files.
$files = field_get_items($reference_field['settings']['target_type'], $referenced_entity, $file_field['field_name']);
if (!empty($files)) {
// Limit to the max number of value per field.
if (isset($this->options['number_indexed']) && $this->options['number_indexed'] != '0' && count($files) > $this->options['number_indexed']) {
$files = array_slice($files, 0, $this->options['number_indexed']);
}
foreach ($files as $file) {
if ($this
->isFileIndexable($file, $item, $reference_field['field_name'])) {
$attachments = 'attachments_' . $file_field['field_name'];
if (isset($item->{$attachments})) {
$item->{$attachments} .= ' ' . $this
->getFileContent($file);
}
else {
$item->{$attachments} = $this
->getFileContent($file);
}
}
}
}
}
}
}
}
}
}
}
}
/**
* {@inheritdoc}
*/
public function propertyInfo() {
$ret = array();
if ($this->index
->getEntityType() == 'file') {
$ret['attachments_content'] = array(
'label' => 'File content',
'description' => 'File content',
'type' => 'text',
);
}
else {
$fields = $this
->getFileFields();
foreach ($fields as $name => $field) {
$ret['attachments_' . $name] = array(
'label' => 'Attachment content: ' . $name,
'description' => $name,
'type' => 'text',
);
}
}
return $ret;
}
/**
* {@inheritdoc}
*/
protected function getFileFields() {
$ret = array();
foreach (field_info_fields() as $name => $field) {
if ($field['type'] == 'file') {
$ret[$name] = $field;
}
}
return $ret;
}
/**
* {@inheritdoc}
*/
protected function getReferenceFields() {
$ret = array();
foreach (field_info_fields() as $name => $field) {
if ($field['type'] == 'node_reference') {
$field['settings']['target_type'] = 'node';
$ret[$name] = $field;
}
}
return $ret;
}
}