/**
* Returns all asset sources.
*
* @param string|null $indexBy
* @return array
*/
public function getAllSources($indexBy = null)
{
if (!isset($this->_sourcesByIds)) {
$sourceRecords = AssetSourceRecord::model()->ordered()->findAll();
$this->_sourcesByIds = AssetSourceModel::populateModels($sourceRecords, $indexBy);
}
if ($indexBy == 'id') {
$sources = $this->_sourcesByIds;
} else {
if (!$indexBy) {
$sources = array_values($this->_sourcesByIds);
} else {
$sources = array();
foreach ($this->_sourcesByIds as $source) {
$sources[$source->{$indexBy}] = $source;
}
}
}
return $sources;
}
