private static string GetGroupName(AuthorizedCommand command)
{
var groupAttribute = command.GetType().CustomAttributes
.FirstOrDefault(x =>
x.AttributeType == typeof(GroupAttribute));
var groupName = groupAttribute.ConstructorArguments[0].Value as string;
return(groupName);
}
public UnauthorizedCommandUsageException(AuthorizedCommand command, IEnumerable <string> authorizedRoles) : this(GetGroupName(command), authorizedRoles)
{
}