internal Robot Move()
{
var x = Coordinates.X;
var y = Coordinates.Y;
var compassPoint = CompassPoint;
var name = Name;
return(Pattern.Match <CompassPoint, Robot>(compassPoint)
.When(c => c == CompassPoint.North, () => new Robot(name, RobotCoordinates.Create(x, y + 1), compassPoint))
.When(c => c == CompassPoint.South, () => new Robot(name, RobotCoordinates.Create(x, y - 1), compassPoint))
.When(c => c == CompassPoint.East, () => new Robot(name, RobotCoordinates.Create(x + 1, y), compassPoint))
.When(c => c == CompassPoint.West, () => new Robot(name, RobotCoordinates.Create(x - 1, y), compassPoint))
.Result);
}
internal static Robot Create(string name, RobotCoordinates coordinates, CompassPoint compassPoint)
{
return(new Robot(name, coordinates, compassPoint));
}
private Robot(string name, RobotCoordinates coordinates, CompassPoint compassPoint)
{
Coordinates = coordinates;
CompassPoint = compassPoint;
Name = name;
}
public RobotWarAggregate(IMemento memento)
{
var snapshot = memento as RobotWarMemento;
if (snapshot == null)
{
throw new ApplicationException("memento type mismatch");
}
Id = snapshot.Id;
ArenaCoordinates = new WriteOnce <ArenaCoordinates>();
if (snapshot.ArenaCoordinates.HasValue)
{
ArenaCoordinates.Value = snapshot.ArenaCoordinates.Value;
}
_robots = snapshot.RobotMementos.Select(p => new KeyValuePair <string, Robot>(p.Name,
Robot.Create(p.Name, RobotCoordinates.Create(p.CoordinartesX, p.CoordinartesY), p.CompassPoint))).ToDictionary();
Version = snapshot.Version;
}
private void Apply(RobotMoved evt)
{
_robots[evt.Name] = Domain.Robot.Create(evt.Name, RobotCoordinates.Create(evt.XPosition, evt.YPosition),
EnumEx.MapByStringValue <Contracts.CompassPoint, CompassPoint>(evt.CompassPoint));
}
private void Apply(RobotAdded evt)
{
_robots.Add(evt.Name, Domain.Robot.Create(evt.Name, RobotCoordinates.Create(evt.XCoordinate, evt.YCoordinate),
EnumEx.MapByStringValue <Contracts.CompassPoint, CompassPoint>(evt.CompassPoint)));
}
