LTE Mars Rover - Refactor

Rover.cs

public class Rover
{
  public Direction Orientation {get; set;}
  public Coordinate Location {get; set;}
  
  public Rover()
  {
    Orientation = Direction.North;
    Location = new Coordinate {X=0, Y=0};
  }
  
  public void MoveForward()
  {
    if (Orienation == Direction.North) {
      Location = Location.AdjustYBy(1);
    }
    if (Orientation == Direction.South) {
      Location = Location.AdjustYBy(-1);
    }
    if (Orientation == Direction.East) {
      Location = Location.AdjustXBy(1);
    }
    if (Orientation == Direction.West) {
      Location = Location.AdustXBy(-1);
    }
  }
  
  public void MoveBackward()
  {
    if (Orienation == Direction.North) {
      Location = Location.AdjustYBy(-1);
    }
    if (Orientation == Direction.South) {
      Location = Location.AdjustYBy(1);
    }
    if (Orientation == Direction.East) {
      Location = Location.AdjustXBy(-1);
    }
    if (Orientation == Direction.West) {
      Location = Location.AdjustXBy(1);
    }
  }
  
  public void TurnLeft()
  {
    if (Orienation == Direction.North) {
      Orienation = Direction.West;
    }
    else if (Orientation == Direction.West) {
      Orientation = Direction.South;
    }
    else if (Orientation == Direction.South) {
      Orientation = Direction.East;
    }
    else if (Orientation == Direction.East) {
      Orienation = Direction.North;
    }
  }
}

RoverRefactor1a.cs

private void Execute(Action ifNorth, Action ifSouth, Action ifEast, Action ifWest)
{
  if (Orientation == Direction.North) {
    ifNorth();
  }
  else if (Orientation == Direction.South) {
    ifSouth();
  }
  else if (Orientation == Direction.East) {
    ifEast();
  }
  else if (Orientation == Direction.West) {
    ifWest();
  }
}

public void TurnLeft()
{
  Action ifNorth = () => Orienation = Direction.West;
  Action ifWest = () => Orientation = Direction.South;
  Action ifSouth = () => Orientation = Direction.East;
  Action ifEast = () => Orientation = Direction.North;

  Execute(ifNorth, ifSouth, ifEast, ifWest);
}

public void MoveForward()
{
  Action ifNorth = () => Location=Location.AdjustYBy(1);
  Action ifSouth = () => Location=Location.AdjustYBy(-1);
  Action ifEast = () => Location=Location.AdjustXBy(1);
  Action ifWest = () => Location=Location.AdjustXBy(-1);
  
  Execute(ifNorth, ifSouth, ifEast, ifWest);
}

RoverRefactor1b.cs

internal IMovementStrategy()
{
  Coordinate MoveForward(Coordinate coordinate);
  Coordinate MoveBackward(Coordinate coordinate);
  Direction TurnLeft();
}
internal class NorthMovementStrategy : IMovementStrategy
{
  public Coordinate MoveForward(Coordinate coordinate)
  {
    return coordinate.AdjustYBy(1);
  }
  public Coordinate MoveBackward(Coordinate coordinate)
  {
    return coordinate.AdjustYBy(-1);
  }
  public Direction TurnLeft()
  {
    return Direction.West;
  }
}
private IMovementStrategy GetStrategy()
{
  if (Orientation == Direction.North) {
   return new NorthMovementStrategy();
  }
  else if (Orientation == Direction.South) {
    return new SouthMovementStrategy();
  }
  else if (Orientation == Direction.East) {
    return new EastMovementStrategy();
  }
  else if (Orientation == Direction.West) {
    return new WestMovementStrategy();
  }
}

public void TurnLeft()
{
  var movementStrategy = GetMovementStrategy();
  Orientation = movementStrategy.TurnLeft();
}

public void MoveForward()
{
  var movementStrategy = GetMovementStrategy();
  Location = movementStrategy.MoveForward(Location);
}

RoverRefactorStep0.cs

private xxx Execute(xxxx)
{
  if (Orientation == Direction.North) {
    //
  }
  else if (Orientation == Direction.South) {
    // 
  }
  else if (Orientation == Direction.East) {
    //
  }
  else if (Orientation == Direction.West) {
    //
  }
}

RoverRefactorStep2.cs

private void Execute(Action ifNorth, Action ifSouth, Action ifEast, Action ifWest)
{
  if (Orientation == Direction.North) {
    ifNorth();
  }
  else if (Orientation == Direction.South) {
    ifSouth();
  }
  else if (Orientation == Direction.East) {
    ifEast();
  }
  else if (Orientation == Direction.West) {
    ifWest();
  }
}

public void TurnLeft()
{
  Action ifNorth = () => Orienation = Direction.West;
  Action ifWest = () => Orientation = Direction.South;
  Action ifSouth = () => Orientation = Direction.East;
  Action ifEast = () => Orientation = Direction.North;

  Execute(ifNorth, ifSouth, ifEast, ifWest);
}

public void MoveForward()
{
  Action ifNorth = () => Location=Location.AdjustYBy(1);
  Action ifSouth = () => Location=Location.AdjustYBy(-1);
  Action ifEast = () => Location=Location.AdjustXBy(1);
  Action ifWest = () => Location=Location.AdjustXBy(-1);
  
  Execute(ifNorth, ifSouth, ifEast, ifWest);
}

public void MoveBackward()
{
  Action ifNorth = () => Location=Location.AdjustYBy(-1);
  Action ifSouth = () => Location=Location.AdjustYBy(1);
  Action ifEast = () => Location=Location.AdjustXBy(-1);
  Action ifWest = () => Location=Location.AdjustXBy(1);
  
  Execute(ifNorth, ifSouth, ifEast, ifWest);
}

public void Execute(Action ifNorth, Action ifSouth, Action ifEast, Action ifWest)
{
  switch(Orienation)
  {
    case Direction.North: ifNorth(); break;
    case Direction.South: ifSouth(); break;
    case Direction.East: ifEast(); break;
    case Direction.West: ifWest(); break;
  }
}