public IHttpActionResult Play(PlayRequestDataModel request)
{
var currentUserId = this.userIdProvider.GetUserId();
if (request == null || !ModelState.IsValid)
{
return(this.BadRequest(ModelState));
}
var idAsGuid = new Guid(request.GameId);
var game = this.data.Games.Find(idAsGuid);
if (game == null)
{
return(this.BadRequest("Invalid game id!"));
}
if (game.FirstPlayerId != currentUserId &&
game.SecondPlayerId != currentUserId)
{
return(this.BadRequest("This is not your game!"));
}
if (game.State != GameState.TurnX &&
game.State != GameState.TurnO)
{
return(this.BadRequest("Invalid game state!"));
}
if ((game.State == GameState.TurnX &&
game.FirstPlayerId != currentUserId)
||
(game.State == GameState.TurnO &&
game.SecondPlayerId != currentUserId))
{
return(this.BadRequest("It's not your turn!"));
}
var positionIndex = (request.Row - 1) * 3 + request.Col - 1;
if (game.Board[positionIndex] != '-')
{
return(this.BadRequest("Invalid position!"));
}
// Update games state and board
var boardAsStringBuilder = new StringBuilder(game.Board);
boardAsStringBuilder[positionIndex] =
game.State == GameState.TurnX ? 'X' : 'O';
game.Board = boardAsStringBuilder.ToString();
game.State = game.State == GameState.TurnX ?
GameState.TurnO : GameState.TurnX;
this.data.SaveChanges();
var gameResult = resultValidator.GetResult(game.Board);
switch (gameResult)
{
case GameResult.NotFinished:
break;
case GameResult.WonByX:
game.State = GameState.WonByX;
this.data.SaveChanges();
break;
case GameResult.WonByO:
game.State = GameState.WonByO;
this.data.SaveChanges();
break;
case GameResult.Draw:
game.State = GameState.Draw;
this.data.SaveChanges();
break;
default:
break;
}
return(this.Ok());
}
public void GetResult_NoWinner_ShouldReturnGameStateNotFinished()
{
var result = validator.GetResult("OXOOOXXOX");
Assert.AreEqual(GameResult.NotFinished, result);
}