// Gets all unique protocols from each chart series to ensure each protocol is only counted once
private HashSet <Protocol> getUniqueProtocols(ChartSeries cs, HashSet <Protocol> protocolsUnique)
{
List <PatientProtocol> patientProtocols;
List <Patient> patients = cs.getPatients();
foreach (Patient patient in patients)
{
patientProtocols = database.getPatientProtocol(patient);
patientProtocols.ForEach(pp => protocolsUnique.Add(pp.Protocol));
}
return(protocolsUnique);
}
public DateTime getIntervalStartDate(Protocol protocol, Interval interval)
{
return(database.getPatientProtocol(this).FirstOrDefault(pp => pp.ProtocolID == protocol.Id).Start_Date);
}