/// <summary>
/// to find out which resident didnt pay for the chosen month
/// </summary>
/// <param name="residentlist"></param>
/// <param name="servicelist"></param>
/// <param name="month"></param>
/// <returns></returns>
public static ResidentList DidntPay(ResidentList residentlist, ServiceList servicelist, string month, string serviceid)
{
ResidentList notpaidservices = new ResidentList();
for (residentlist.Beginning(); residentlist.Exist(); residentlist.Next())
{
if (residentlist.Get().Month != month || residentlist.Get().ServiceId != serviceid)
{
notpaidservices.PutData(residentlist.Get());
}
}
return(notpaidservices);
}
/// <summary>
/// to find the list of the residents who paid less than average for the services
/// </summary>
/// <param name="residentlist"></param>
/// <param name="servicelist"></param>
/// <returns></returns>
public static ResidentList PaidLessThanAvg(ResidentList residentlist, ServiceList servicelist)
{
ResidentList residentaverage = new ResidentList();
residentlist.Beginning();
double avg = Calcs.AveragePrice(residentlist, servicelist);
residentlist.Beginning();
for (residentlist.Beginning(); residentlist.Exist(); residentlist.Next())
{
if (Calcs.HowMuchPaid(residentlist.Get(), servicelist) < avg)
{
residentaverage.PutData(residentlist.Get());
}
}
return(residentaverage);
}
/// <summary>
/// method to read residents data from file
/// </summary>
/// <param name="path">file path</param>
/// <returns></returns>
public static ResidentList ReadResidents(string path)
{
ResidentList residentlist = new ResidentList();
using (StreamReader reader = new StreamReader(path))
{
string line = null;
while (null != (line = reader.ReadLine()))
{
string[] Values = line.Split(';');
string name = Values[0];
string surname = Values[1];
string address = Values[2];
string month = Values[3];
string serviceid = Values[4];
int amount = int.Parse(Values[5]);
Resident resident = new Resident(name, surname, address, month, serviceid, amount);
residentlist.PutData(resident);
}
}
return(residentlist);
}
