private void Populate(ObservableCollection <InterestInfo> interestInfoCollection, int index)
{
InterestCalculationInput input = GetInput(index);
List <InterestInfo> interestList = InterestCalculationManager.CreateInterestDetails(input);
foreach (InterestInfo info in interestList)
{
interestInfoCollection.Add(info);
}
}
private void CalculateInterest()
{
InterestCalculationInput input = GetInput(0);
this.interestInfoListQ.Clear();
this.interestInfoListA.Clear();
this.interestInfoListH.Clear();
this.interestInfoListM.Clear();
CalculateSimpleInterest();
Populate(interestInfoListQ, 1);
Populate(interestInfoListH, 2);
Populate(interestInfoListM, 0);
Populate(interestInfoListA, 3);
SetClipboardWithRTF();
}
private void CalculateSimpleInterest()
{
InterestCalculationInput input = GetInput(0);
DateTime startDate = input.StartDate;
DateTime endDate = input.EndDate;
TimeSpan t = input.EndDate - input.StartDate;
int totalDays = Convert.ToInt32(t.TotalDays) + 1;
int yeardiff = totalDays / 365;
int monthdiff = (totalDays % 365) / 30;
DateTime afterYear = input.StartDate.AddYears(yeardiff);
DateTime afterMonths = afterYear.AddMonths(monthdiff);
int daydiff = Convert.ToInt32((input.EndDate - afterMonths).TotalDays) + 1;
DateTime afterDays = afterMonths.AddDays(daydiff);
//int daydiff = endDate.Day - startDate.Day;
//if (daydiff < 0)
//{
// daydiff += (startDate.Month == 2 && isLeapYear(startDate.Year)) ? 29 : daysOfMonth[startDate.Month];
// endDate = endDate.AddMonths(-1);
//}
//int monthdiff = endDate.Month - startDate.Month;
//if (monthdiff < 0)
//{
// monthdiff += 12;
// endDate = endDate.AddYears(-1);
//}
//int yeardiff = endDate.Year - startDate.Year;
//daydiff++;
//if (daydiff == 31)
//{
// daydiff = 0;
// monthdiff++;
//}
//if (monthdiff == 12)
//{
// monthdiff = 0;
// yeardiff++;
//}
double interestamount = input.Principal * input.InterestRate / 100;
double yearsinterest = (yeardiff * interestamount);
double monthsinterest = monthdiff * interestamount / 12;
double daysinterest = daydiff * interestamount / 365;
double xdaysinterest = totalDays * interestamount / 365;
double totalinterest = yearsinterest + monthsinterest + daysinterest;
this.Years.Text = yeardiff.ToString() + (yeardiff == 1 ? " year" : " years");
this.Months.Text = monthdiff.ToString() + (monthdiff == 1 ? " month" : " months");
this.Days.Text = (daydiff).ToString() + (daydiff == 1 ? " day" : " days");;
this.XDays.Text = totalDays.ToString() + " days";
this.YearsInterest.Text = yearsinterest.ToString("C");
this.MonthsInterest.Text = monthsinterest.ToString("C");
this.DaysInterest.Text = daysinterest.ToString("C");
this.XDaysInterest.Text = xdaysinterest.ToString("C");
this.TotalInterest.Text = totalinterest.ToString("C");
this.XTotalInterest.Text = xdaysinterest.ToString("C");
this.TotalAmountWithInterest.Text = (input.Principal + totalinterest).ToString("C");
this.XTotalAmountWithInterest.Text = (input.Principal + xdaysinterest).ToString("C");
}
