/**
* Execute the insert query and persist the GridFSFile if necessary.
*
* @see Collection::doInsert()
* @param array $a
* @param array $options
* @return mixed
*/
protected function doInsert(array &$a, array $options = array())
{
// If there is no file, perform a basic insertion
if (!isset($a['file'])) {
parent::doInsert($a, $options);
return;
}
/* If the file is dirty (i.e. it must be persisted), delegate to the
* storeFile() method. Otherwise, perform a basic insertion.
*/
$file = $a['file'];
// instanceof GridFSFile
unset($a['file']);
if ($file->isDirty()) {
$this->storeFile($file, $a, $options);
} else {
parent::doInsert($a, $options);
}
$a['file'] = $file;
return $a;
}