public async Task <ISuccessOrErrors <Common.BoardState> > JoinGame(SeatI 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 <PlayerTookSeatI> (seat.GetPrimaryKey(), nameof(PlayerTookSeatI));
await stream.OnNextAsync(new PlayerTookSeatI (playerId));
var result = new Success <Common.BoardState> (new Common.BoardState(boardState));
return(result);
}
public async Task <ISuccessOrErrors <Common.BoardState> > LeaveGame(SeatI 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 <PlayerLeftSeatI> (seat.GetPrimaryKey(), nameof(PlayerLeftSeatI));
await stream.OnNextAsync(new PlayerLeftSeatI (playerId));
return(new Success <Common.BoardState> (new Common.BoardState(boardState)));
}