public void Update(DateTime time, int usages)
{
ExceededThreshold = null;
foreach (var intervalThreshold in settings.IntervalThresholds)
{
var interval = (int)intervalThreshold.Key;
var threshold = intervalThreshold.Value;
if (!UsageByInterval.ContainsKey(interval))
{
UsageByInterval.Add(interval, new UsageBeginAndCount(time));
}
var current = UsageByInterval[interval];
var elapsed = time.Subtract(current.Begin).TotalSeconds;
if (elapsed < interval)
{
current.Count += usages;
}
else
{
current.Begin = time;
current.Count = usages;
}
if (current.Count > threshold)
{
ExceededThreshold = new Threshold
{
UsageInterval = TimeSpan.FromSeconds(interval),
Usages = threshold,
IsEndingIn = current.Begin + TimeSpan.FromSeconds(interval) - DateTime.Now
};
}
}
}