public async Task <ISuccessOrErrors <Common.BoardState> > JoinGame(SeatII seat, Guid playerId)
{
seat.State.PlayerId = playerId;
seat.State.ETag = Guid.NewGuid().ToString();
await seat.WriteStateAsync();
var game = seat.GrainFactory.GetGrain <IGame> (seat.GetPrimaryKey());
var boardState = await game.GetBoardState();
var provider = seat.GetStreamProvider(seat.PlayerSeatStreamProvider);
var stream = provider.GetStream <PlayerTookSeatII> (seat.GetPrimaryKey(), nameof(PlayerTookSeatII));
await stream.OnNextAsync(new PlayerTookSeatII (playerId));
var result = new Success <Common.BoardState> (new Common.BoardState(boardState));
return(result);
}
public async Task <ISuccessOrErrors <Common.BoardState> > LeaveGame(SeatII seat)
{
var playerId = seat.State.PlayerId.GetValueOrDefault();
seat.State.PlayerId = null;
seat.State.ETag = Guid.NewGuid().ToString();
await seat.WriteStateAsync();
var game = seat.GrainFactory.GetGrain <IGame> (seat.GetPrimaryKey());
var boardState = await game.GetBoardState();
var provider = seat.GetStreamProvider(seat.PlayerSeatStreamProvider);
var stream = provider.GetStream <PlayerLeftSeatII> (seat.GetPrimaryKey(), nameof(PlayerLeftSeatII));
await stream.OnNextAsync(new PlayerLeftSeatII (playerId));
return(new Success <Common.BoardState> (new Common.BoardState(boardState)));
}
public Task <ISuccessOrErrors <Common.BoardState> > JoinGame(SeatII seat, Guid playerId) => new Error <Common.BoardState> ("There is a player already at seat").ToTask();
public Task <ISuccessOrErrors <Common.BoardState> > LeaveGame(SeatII seat) => new Error <Common.BoardState> ("No player at seat").ToTask();