public Style CreateStyle(string name, string color, string glass)
{
if(string.IsNullOrEmpty(name))
throw new ArgumentNullException("name");
if(string.IsNullOrEmpty(color))
throw new ArgumentNullException("color");
if(string.IsNullOrEmpty(glass))
throw new ArgumentNullException("glass");
var id = _styleRepository.NextIdentity();
var style = new Style(id, name);
style.Color = color;
style.Glass = glass;
_styleRepository.Add(style);
return style;
}
public void Save(Style style)
{
_styleRepository.Update(style);
}