async Task IHandleWinnerHandler.HandleAsync(int gameId, IEnumerable <int> userIds, CancellationToken cancellationToken)
{
var moves = await _moveService.GetMovesAsync(gameId, cancellationToken : cancellationToken);
var cardIds = moves.Select(x => x.CardId).ToArray();
var result = await _cardService.GetCardsAsync(
new Abstractions.CardSearchFilter
{
Ids = cardIds,
},
cancellationToken : cancellationToken);
var cards = result.Results;
var newMoves = await _moveUserService.PopulateMoveUsersAsync(moves, cards, userIds, cancellationToken : cancellationToken);
var groupedMoves = newMoves
.GroupBy(x => x.UserId)
.Select(x =>
new
{
UserId = x.Key,
Count = x.Count() - (x.Key == userIds.First() ? 1 : 0),
})
.OrderByDescending(x => x.Count)
.ToArray()
;
var highestValue = groupedMoves[0].Count;
var gameUpdate = new GameUpdateData
{
EndTime = DateTime.UtcNow,
};
if (groupedMoves.Skip(1).Any(x => x.Count == highestValue))
{
// draw
}
else if (groupedMoves.Skip(1).Any(x => x.Count > highestValue))
{
// winner is someone else
gameUpdate.WinnerUserId = groupedMoves.Skip(1).First(x => x.Count > highestValue).UserId;
}
else
{
gameUpdate.WinnerUserId = groupedMoves[0].UserId;
}
await _gameRepository.UpdateGameAsync(gameId, gameUpdate, cancellationToken : cancellationToken);
}
public async Task <ActionResult <GamePlayModel> > GetByIdAsync(int id, CancellationToken cancellationToken)
{
var userId = (await GetUserAsync(cancellationToken: cancellationToken))?.Id;
var gamePlay = await _gamePlayService.GetGamePlayByIdAsync(id, userId, cancellationToken : cancellationToken);
var moves = await _moveService.GetMovesAsync(id, cancellationToken : cancellationToken);
var cardFilter = new CardSearchFilter
{
Ids = moves.Select(x => x.CardId).ToArray(),
};
var playedCards = await _cardService.GetCardsAsync(cardFilter, cancellationToken : cancellationToken);
gamePlay.Moves = await _moveUserService.PopulateMoveUsersAsync(moves, playedCards.Results, gamePlay.Game.UserIds, cancellationToken : cancellationToken);
gamePlay.PlayedCards = playedCards.Results;
return(gamePlay);
}
public async Task PopulateMoveUsersAsync_NullMoves_ThrowsArgumentNullException()
{
await Assert.ThrowsAsync <ArgumentNullException>(() => _service.PopulateMoveUsersAsync(null, Enumerable.Empty <CardModel>(), Enumerable.Empty <int>(), default));
}