/// <inheritdoc />
public ChessGameDetails ConvertToChessGameDetails(DbChessGame source)
{
if (source == null)
{
return(null);
}
var history = source.History?.OrderBy(x => x.CreatedAt).Select(CovertToChessMove).ToList() ?? new List <BaseMove>();
var representation = new ChessRepresentationInitializer().Create();
var chessMechanism = new ChessMechanism();
foreach (var move in history)
{
representation = chessMechanism.ApplyMove(representation, move);
}
return(new ChessGameDetails
{
ChallengeDate = source.ChallengeDate,
Id = source.Id,
InitiatedBy = ConvertUser(source.InitiatedBy),
LastMoveDate = source.LastMoveDate,
Name = source.Name,
Opponent = ConvertUser(source.Opponent),
BlackPlayer = ConvertUser(source.BlackPlayer),
WhitePlayer = ConvertUser(source.WhitePlayer),
Representation = representation
});
}
private IEnumerable <PlayerPoints> GetPlayersPoints(DbChessGame game)
{
if (game.BlackPlayer.Id == game.WhitePlayer.Id)
{
return(Enumerable.Empty <PlayerPoints>());
}
var whitePlayer = new PlayerPoints()
{
Username = game.WhitePlayer.UserName,
IsBot = game.WhitePlayer.Bot,
AveragePlyPoints = GetPoints(ChessPlayer.White, game.Status) / GetNumberOfMoves(ChessPlayer.White, game.History)
};
var blackPlayer = new PlayerPoints()
{
Username = game.BlackPlayer.UserName,
IsBot = game.BlackPlayer.Bot,
AveragePlyPoints = GetPoints(ChessPlayer.Black, game.Status) / GetNumberOfMoves(ChessPlayer.Black, game.History)
};
return(new[]
{
whitePlayer,
blackPlayer
});
}
/// <summary>
/// Gets a dictionary of player usernames based on their playing colour in the game.
/// </summary>
/// <param name="game">The chess game coming from database.</param>
/// <returns>Dictionary of game players.</returns>
public static Dictionary <ChessPlayer, string> GetPlayerNames(this DbChessGame game)
{
var dictionary = new Dictionary <ChessPlayer, string>(2);
dictionary.Add(ChessPlayer.White, game.WhitePlayer.UserName);
dictionary.Add(ChessPlayer.Black, game.BlackPlayer.UserName);
return(dictionary);
}
/// <inheritdoc />
public ChallengeRequestResult Add(string participantPlayerName, ChallengeRequest challengeRequest)
{
var initiatedBy = _dbContext.Users.SingleOrDefault(x => x.UserName == participantPlayerName);
if (initiatedBy == null)
{
return(new ChallengeRequestResult
{
RequestResult = ChallengeRequestResultStatuses.InitiatedByUserNull,
NewlyCreatedGame = null
});
}
var opponent = _dbContext.Users.SingleOrDefault(x => x.UserName == challengeRequest.Opponent);
if (opponent == null)
{
return(new ChallengeRequestResult
{
RequestResult = ChallengeRequestResultStatuses.OpponentNull,
NewlyCreatedGame = null
});
}
var now = DateTime.UtcNow;
// Randomize sides
var players = new[] { initiatedBy, opponent }.OrderBy(x => Guid.NewGuid()).ToArray();
var white = players[0];
var black = players[1];
var newGame = new DbChessGame()
{
ChallengeDate = now,
InitiatedBy = initiatedBy,
Opponent = opponent,
WhitePlayer = white,
BlackPlayer = black,
Name = $"{initiatedBy.UserName} vs {opponent.UserName}",
LastMoveDate = now,
Status = GameState.InProgress
};
var newEntity = _dbContext.Add(newGame).Entity;
_dbContext.SaveChanges();
return(new ChallengeRequestResult
{
RequestResult = ChallengeRequestResultStatuses.Ok,
NewlyCreatedGame = _chessGameConverter.ConvertToChessGameDetails(newEntity)
});
}
/// <inheritdoc />
public ChessGame ConvertToChessGame(DbChessGame source)
{
if (source == null)
{
return(null);
}
return(new ChessGame
{
ChallengeDate = source.ChallengeDate,
Id = source.Id,
InitiatedBy = ConvertUser(source.InitiatedBy),
LastMoveDate = source.LastMoveDate,
Name = source.Name,
Opponent = ConvertUser(source.Opponent),
BlackPlayer = ConvertUser(source.BlackPlayer),
WhitePlayer = ConvertUser(source.WhitePlayer),
Outcome = source.Status
});
}