public void Create(CircleCreateCommand command)
{
var ownerId = new UserId(command.UserId);
var owner = userRepository.Find(ownerId);
if (owner == null)
{
throw new Exception("サークルオーナーとなるユーザーが見つかりませんでした。");
}
var name = new CircleName(command.Name);
var circle = circleFactory.Create(name, owner);
if (circleService.Exists(circle))
{
throw new Exception("サークルは既に存在しています。");
}
circleRepository.Save(circle);
}
public Circle(CircleId id, CircleName name, User owner, List <User> members)
{
if (id == null)
{
throw new ArgumentNullException(nameof(id));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (owner == null)
{
throw new ArgumentNullException(nameof(owner));
}
if (members == null)
{
throw new ArgumentNullException(nameof(members));
}
this.Id = id;
this.Name = name;
this.Owner = owner;
this.Members = members;
}
public Circle Find(CircleName name)
{
return(circles.First(it => it.Name.Equals(name)));
}
public Circle Create(CircleName name, User owner)
{
var id = new CircleId(Guid.NewGuid().ToString());
return(new Circle(id, name, owner, new List <User>()));
}