Exemplo n.º 1
0
        private async Task UpdateLeaderboard(Challenge.Challenge challenge, IAsyncEnumerable <RankedSolution> solutions)
        {
            // Update trueskill
            await _skillUpdate.ApplyChallengeResults(challenge.Id);

            const uint maxScore = 10;
            var        score    = maxScore;

            // Enumerate through each group of equally ranked users
            var ranks = solutions.GroupBy(a => a.Rank).OrderBy(a => a.Key);

            await foreach (var rank in ranks)
            {
                // Award all users at the same rank some points
                var count = 0;
                await foreach (var solution in rank)
                {
                    count++;
                    await _leaderboard.AddScore(solution.Solution.UserId, score *(uint)challenge.Difficulty);
                }

                // If there was only one user in the top rank, award them a bonus
                if (count == 1 && score == maxScore)
                {
                    await _leaderboard.AddScore((await rank.SingleAsync()).Solution.UserId, (uint)challenge.Difficulty);
                }

                // Award at least one point to every entrant
                if (score > 1)
                {
                    score--;
                }
            }

            // Find the smallest solution, if there's only one of them (i.e. no tie for smallest) award a bonus point
            var smallestGroup = await solutions.GroupBy(a => a.Solution.Yolol.Length).AggregateAsync((a, b) => a.Key < b.Key ? a : b);

            if (await smallestGroup.CountAsync() == 1)
            {
                await _leaderboard.AddScore((await smallestGroup.FirstAsync()).Solution.UserId, (uint)challenge.Difficulty);
            }
        }
Exemplo n.º 2
0
 public async Task GivePoints(IUser user, uint score)
 {
     await _leaderboard.AddScore(user.Id, score);
 }