public static Task UpdateAverage(AverageResult a)
{
return Task.Factory.StartNew(() =>
{
VotingState.CurrentAverage = a.Average;
VotingState.LastUpdated = a.DateStamp;
//Connect to the signalR hub
var context = GlobalHost.ConnectionManager.GetHubContext<VoteHub>();
//Update the client of their vote
context.Clients.All.UpdateAverage(a);
});
}
public AverageResult GetAverageResult()
{
AverageResult ret = new AverageResult ();
if (_Votes.Count != 0)
{
int total = _Votes.Where(v => !v.VoteLost)
.Sum(v => v.VoteValue);
ret.TotalCount = _Votes.Where(v => !v.VoteLost)
.Count();
var aggregate = _Votes.Where(v => !v.VoteLost)
.GroupBy(v => v.VoteValue)
.Select(g => new { Key = g.Key, Num = g.Count() });
ret.CountBigSmile = aggregate.Where (a => a.Key == -2)
.Select (a => a.Num)
.FirstOrDefault();
ret.CountSmallSmile = aggregate.Where (a => a.Key == -1)
.Select (a => a.Num)
.FirstOrDefault();
ret.CountNoSmile = aggregate.Where (a => a.Key == 0)
.Select (a => a.Num)
.FirstOrDefault();
ret.CountSmallFrown = aggregate.Where (a => a.Key == 1)
.Select (a => a.Num)
.FirstOrDefault();
ret.CountBigFrown = aggregate.Where (a => a.Key == 2)
.Select (a => a.Num)
.FirstOrDefault();
ret.CountLost = _Votes.Where(v => v.VoteLost)
.Count();
var lostAggregate = _Votes.Where(v => v.VoteLost)
.GroupBy(v => v.VoteValue)
.Select(g => new { Key = g.Key, Num = g.Count() });
ret.LostNoSmile = lostAggregate.Where(a => a.Key == 0)
.Select(a => a.Num)
.FirstOrDefault();
ret.LostSmallFrown = lostAggregate.Where(a => a.Key == 1)
.Select(a => a.Num)
.FirstOrDefault();
ret.LostBigFrown = lostAggregate.Where(a => a.Key == 2)
.Select(a => a.Num)
.FirstOrDefault();
decimal avgDec = (decimal)total / (decimal)ret.TotalCount;
_Log.Debug("Total = " + total + ". Votes = " + ret.TotalCount + ". Avg = " + avgDec);
ret.Average = (int) Math.Round(avgDec);
ret.DateStamp = DateTime.Now;
}
return ret;
}
