public static function insertMultiple($tracks)
{
// build insert multiple data
$model = self::model();
$track_sql = "INSERT IGNORE INTO {$model->tableName()} (hash, title, artist_hash, created_at, updated_at) VALUES ";
$values_sql = array();
foreach ($tracks as $hash => $track) {
$title = Artist::mres($track['title']);
$values_sql[] = "('{$hash}', '{$title}', '{$track['artist_hash']}', NOW(), NOW())";
}
$track_sql .= implode(', ', $values_sql);
return Yii::app()->getDb()->createCommand($track_sql)->execute();
}
