public async Task <DataTable> GetBoard(Guid gameSessionId)
{
// Board for Tic-Tac-Toe
var gameSession = await gameSessionAccess.GetGameSession(gameSessionId);
var players = new List <Player>();
foreach (var playerId in gameSession.PlayerIds)
{
var player = await playerAccess.GetPlayer(playerId);
players.Add(player);
}
var tiles = await tileAccess.FindTiles(gameSessionId);
var dataTable = new DataTable();
dataTable.Columns.Add(new DataColumn(" "));
dataTable.Columns.Add(new DataColumn("A"));
dataTable.Columns.Add(new DataColumn("B"));
dataTable.Columns.Add(new DataColumn("C"));
var dataRow = dataTable.NewRow();
dataRow[0] = 1;
dataRow[1] = (tiles[0].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[0].PlayerId).GamePiece);
dataRow[2] = (tiles[3].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[3].PlayerId).GamePiece);
dataRow[3] = (tiles[6].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[6].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow[0] = 2;
dataRow[1] = (tiles[1].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[1].PlayerId).GamePiece);
dataRow[2] = (tiles[4].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[4].PlayerId).GamePiece);
dataRow[3] = (tiles[7].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[7].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow[0] = 3;
dataRow[1] = (tiles[2].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[2].PlayerId).GamePiece);
dataRow[2] = (tiles[5].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[5].PlayerId).GamePiece);
dataRow[3] = (tiles[8].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[8].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
return(dataTable);
}
public async Task <DataTable> GetBoard(Guid gameSessionId)
{
// Board for Tic-Tac-Toe
var gameSessions = await gameSessionAccess.FindGameSessions(i => i.Id == gameSessionId);
var gameSession = gameSessions.First();
var players = await playerAccess.FindPlayers(i => gameSession.PlayerIds.Contains(i.Id));
var tiles = await tileAccess.FindTiles(i => i.Id == gameSessionId);
var dataTable = new DataTable();
dataTable.Columns.Add(new DataColumn(" "));
dataTable.Columns.Add(new DataColumn("A"));
dataTable.Columns.Add(new DataColumn("B"));
dataTable.Columns.Add(new DataColumn("C"));
var dataRow = dataTable.NewRow();
dataRow[0] = 1;
dataRow[1] = (tiles[0].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[0].PlayerId).GamePiece);
dataRow[2] = (tiles[3].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[3].PlayerId).GamePiece);
dataRow[3] = (tiles[6].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[6].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow[0] = 2;
dataRow[1] = (tiles[1].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[1].PlayerId).GamePiece);
dataRow[2] = (tiles[4].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[4].PlayerId).GamePiece);
dataRow[3] = (tiles[7].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[7].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow[0] = 3;
dataRow[1] = (tiles[2].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[2].PlayerId).GamePiece);
dataRow[2] = (tiles[5].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[5].PlayerId).GamePiece);
dataRow[3] = (tiles[8].PlayerId == Guid.Empty ? " " : players.First(i => i.Id == tiles[8].PlayerId).GamePiece);
dataTable.Rows.Add(dataRow);
return(dataTable);
}
public async Task <ValidationResult> ValidateUserInput(Guid gameSessionId, string input)
{
var cleaned = input.Trim().ToUpperInvariant();
if (string.IsNullOrWhiteSpace(cleaned))
{
return(await Task.FromResult(new ValidationResult(NoInputFoundError)));
}
var tiles = await tileAccess.FindTiles(gameSessionId);
var targetTile = tiles.FirstOrDefault(i => i.Address == cleaned);
if (targetTile == null)
{
return(new ValidationResult(AddressNotFoundError));
}
var validationResult = targetTile.IsEmpty
? ValidationResult.Success
: new ValidationResult(AddressAlreadyPlayedError);
return(validationResult);
}
public async Task <bool> IsPlayable(Guid gameSessionId)
{
var tiles = await tileAccess.FindTiles(i => i.Id == gameSessionId);
if (tiles.All(i => i.IsEmpty))
{
return(true); // New Game
}
if (tiles.All(i => !i.IsEmpty))
{
return(false); // No empty spaces.
}
// Check all possible vectors
var dictionary = tiles.ToDictionary(tile => tile.Address, tile => tile);
// A Col
if (IsWinningVector(dictionary["A1"], dictionary["A2"], dictionary["A3"]))
{
return(false);
}
// B Col
if (IsWinningVector(dictionary["B1"], dictionary["B2"], dictionary["B3"]))
{
return(false);
}
// C Col
if (IsWinningVector(dictionary["C1"], dictionary["C2"], dictionary["C3"]))
{
return(false);
}
// 1 Row
if (IsWinningVector(dictionary["A1"], dictionary["A2"], dictionary["A3"]))
{
return(false);
}
// 2 Row
if (IsWinningVector(dictionary["B1"], dictionary["B2"], dictionary["B3"]))
{
return(false);
}
// 3 Row
if (IsWinningVector(dictionary["C1"], dictionary["C2"], dictionary["C3"]))
{
return(false);
}
// Right Diagonal
if (IsWinningVector(dictionary["A1"], dictionary["B2"], dictionary["C3"]))
{
return(false);
}
// Left Diagonal
if (IsWinningVector(dictionary["A3"], dictionary["B2"], dictionary["C1"]))
{
return(false);
}
return(true);
}