public static Notification GigCanceleted(Gig gig)
{
var notification = new Notification(gig, NotificationType.GigCanceled);
return(notification);
}
private Notification(Gig gig, NotificationType type)
{
Gig = gig ?? throw new ArgumentNullException(nameof(gig));
Type = type;
DateTime = DateTime.Now;
}