public override string[] GetRolesForUser(string username)
{
if (string.IsNullOrEmpty(username))
{
throw new ArgumentNullException("username");
}
List <Role> roles = _dataService.GetRolesByUsername(username);
if (roles.Count == 0)
{
roles.Add(new Role()
{
Name = "Guest"
});
}
return(roles.Select(x => x.Name).ToArray());
}
