/**
* Map search field value to solr value using FieldValueMapper.
*
* @param mixed $value
* @param \eZ\Publish\SPI\Search\FieldType $searchFieldType
*
* @return mixed
*/
protected function mapSearchFieldValue($value, FieldType $searchFieldType = null)
{
if (null === $searchFieldType) {
return $value;
}
$searchField = new SearchField('field', $value, $searchFieldType);
$value = (array) $this->fieldValueMapper->map($searchField);
return current($value);
}
protected function writeField(XmlWriter $xmlWriter, Field $field)
{
foreach ((array) $this->fieldValueMapper->map($field) as $value) {
$xmlWriter->startElement('field');
$xmlWriter->writeAttribute('name', $this->nameGenerator->getTypedName($field->name, $field->type));
$xmlWriter->text($value);
$xmlWriter->endElement();
}
}
/**
* Converts given $document to a hash format that can be JSON encoded
* to get a document _source.
*
* Implemented in a separate method because of a recursion needed to
* handle nested documents.
*
* @param \eZ\Publish\Core\Search\Elasticsearch\Content\Document $document
*
* @return array
*/
protected function getDocumentHash(Document $document)
{
$hash = array();
foreach ($document->fields as $field) {
if ($field->type instanceof DocumentField) {
$documents = $this->fieldValueMapper->map($field);
$values = array();
foreach ($documents as $document) {
$values[] = $this->getDocumentHash($document);
}
} else {
$values = (array) $this->fieldValueMapper->map($field);
}
$name = $this->nameGenerator->getTypedName($field->name, $field->type);
if (count($values) === 1) {
$hash[$name] = reset($values);
} else {
$hash[$name] = $values;
}
}
return $hash;
}