private async Task <IEnumerable <string> > GetUserDatabaseNames()
{
var userDbPrefix = $"{DatabaseName.UserDatabasePrefix}-";
var mediaDbPrefix = $"{DatabaseName.MediaDatabasePrefix}-";
var dbNames = await _databaseApi.GetDatabaseNames(DocumentStore);
return(dbNames.Where(x => x.StartsWith(userDbPrefix) || x.StartsWith(mediaDbPrefix)));
}