public virtual double CalculateCharges()
{
double total = 0;
foreach (BedStay bs in Stay.BedstayList)
{
Bed b = bs.bed;
if (b is ClassABed)
{
b = (ClassABed)b;
if (bs.endBedstay == null)
{
Console.WriteLine("Patient not discharged");
}
else
{
int?days = (int?)(bs.endBedstay - bs.startBedstay)?.TotalDays;
if (days != null)
{
int total_days = Convert.ToInt32(days);
total += b.CalculateCharges(CitizenStatus, total_days);
}
}
}
else if (b is ClassBBed)
{
b = (ClassBBed)b;
if (bs.endBedstay == null)
{
Console.WriteLine("Patient not discharged");
}
else
{
int?days = (int?)(bs.endBedstay - bs.startBedstay)?.TotalDays;
if (days != null)
{
int total_days = Convert.ToInt32(days);
total += b.CalculateCharges(CitizenStatus, total_days);
}
}
}
else if (b is ClassCBed)
{
b = (ClassCBed)b;
if (bs.endBedstay == null)
{
Console.WriteLine("Patient not discharged");
}
else
{
int?days = (int?)(bs.endBedstay - bs.startBedstay)?.TotalDays;
if (days != null)
{
int total_days = Convert.ToInt32(days);
total += b.CalculateCharges(CitizenStatus, total_days);
}
}
}
}
return(total);
}
public BedStay(DateTime s, Bed b)
{
startBedstay = s;
bed = b;
}