/// <summary>
/// To be tied to PatientsRecoveringOrDying. Logs event-changes. also checks if there are any patients left. if not, 'ticks' the cancellationToken
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnPatientsDyingOrRecovering(object sender, PatientsRecoveredOrDiedEventArgs args)
{
string toWrite = $"{args.PatientsRecovered} just recovered and {args.PatientsDied} died.\n";
lock (this)
{
File.AppendAllText(fileName, toWrite);
}
Console.Write(toWrite);
if (args.PatientsLeft == 0)
{
args.CancellationRequested = true;
}
}
/// <summary>
/// Checks all the patients in the hospital, and if they have recovered or died, switches their statuses
/// </summary>
public void SimulatePatientRecoveringOrDying()
{
PatientsRecoveredOrDiedEventArgs args = new PatientsRecoveredOrDiedEventArgs();
while (!args.CancellationRequested)
{
Thread.Sleep(5000);
//Reset args-values
args.PatientsRecovered = 0;
args.PatientsDied = 0;
args.PatientsLeft = 0;
using (var hospitalContext = new HospitalContext())
{
var patients = (from patient in hospitalContext.Patients
where patient.Status != PatientStatus.Afterlife && patient.Status != PatientStatus.Recovered
select patient).ToList();
for (int i = 0; i < patients.Count; i++)
{
if (patients[i].SymptomLevel < 1)
{
patients[i].Status = PatientStatus.Recovered;
args.PatientsRecovered += 1;
}
else if (patients[i].SymptomLevel > 9)
{
patients[i].Status = PatientStatus.Afterlife;
args.PatientsDied += 1;
}
else
{
args.PatientsLeft += 1;
}
}
hospitalContext.SaveChanges();
}
PatientsRecoveredOrDied?.Invoke(this, args);
}
}