private IPainter Reduce(double sqMeters)
{
TimeSpan time = TimeSpan.FromHours(
1 /
Painters
.Where(painter => painter.IsAvailable)
.Select(painter => 1 / painter.EstimateTimeToPaint(sqMeters).TotalHours)
.Sum());
double cost =
this.Painters
.Where(painter => painter.IsAvailable)
.Select(painter =>
painter.EstimateCompensation(sqMeters) /
painter.EstimateTimeToPaint(sqMeters).TotalHours *
time.TotalHours)
.Sum();
return(new ProportionalPainter
{
TimePerSqrMeter = TimeSpan.FromHours(time.TotalHours / sqMeters),
DollarsPerHour = cost / time.TotalHours
});
}
private static IPainter FindCheapestPainter(double sqMeters, Painters painters) => painters.GetAvailable().GetCheapestOne(sqMeters);
private static IPainter FindFastesPainter(double sqMeters, Painters painters) => painters.GetAvailable().GetFastestOne(sqMeters);
