public double GetViewers(int unitsFromStart)
{
int unitsPassed = 0;
foreach (var span in TimeIntervals)
{
unitsPassed += span.SpanUnits;
if (unitsFromStart < unitsPassed)
{
return(span.Viewers);
}
}
return(TimeIntervals.Last().Viewers);
}
internal void AddTimeInterval(ViewershipSpan span)
{
if (TimeIntervals.Count == 0)
{
TimeIntervals.Add(span);
return;
}
ViewershipSpan previous = TimeIntervals.Last();
if (previous.Viewers == span.Viewers || span.Viewers == 0 || previous.Viewers == 0)
{
previous.SpanUnits += span.SpanUnits;
previous.Span += span.Span;
previous.EndTime += span.Span;
if (previous.Viewers == 0)
{
previous.Viewers = span.Viewers;
}
return;
}
TimeIntervals.Add(span);
}