private ViewModels.CreateLoanViewModel CalculateLoanParameters(long LoanAmount, int InstallmentsCount, int Percent = 0)
{
ViewModels.CreateLoanViewModel oCreateLoanViewModel = new ViewModels.CreateLoanViewModel();
oCreateLoanViewModel.InstallmentsCount = InstallmentsCount;
oCreateLoanViewModel.LoanAmount = LoanAmount;
oCreateLoanViewModel.CommissionAmount = (Percent == 0) ? 0 : (long)System.Math.Round(((double)Percent / 100) * LoanAmount);
oCreateLoanViewModel.RefundAmount = oCreateLoanViewModel.LoanAmount + oCreateLoanViewModel.CommissionAmount;
LoanAmount += oCreateLoanViewModel.CommissionAmount;
long InstallmentValue = 0;
decimal temp = 0;
if (LoanAmount % InstallmentsCount == 0)
{
temp = LoanAmount / InstallmentsCount;
while (LoanAmount >= temp)
{
oCreateLoanViewModel.Installments.Add((long)temp);
LoanAmount -= (long)temp;
}
}
else
{
temp = LoanAmount / InstallmentsCount;
InstallmentValue = (long)System.Math.Round((System.Math.Round(temp) / 10000)) * 10000;
while (LoanAmount >= InstallmentValue)
{
oCreateLoanViewModel.Installments.Add(InstallmentValue);
LoanAmount -= InstallmentValue;
}
oCreateLoanViewModel.Installments.Add(LoanAmount);
}
return oCreateLoanViewModel;
}
private void OBackgroundWorker_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
DAL.UnitOfWork oUnitOfWork = null;
oUnitOfWork = new DAL.UnitOfWork();
Models.Member oMember = oUnitOfWork.MemberRepository
.GetById(Utility.CurrentMember.Id);
Models.Fund oFund = oUnitOfWork.FundRepository
.GetById(Utility.CurrentFund.Id);
Models.Loan oLoan = new Models.Loan();
this.Dispatcher.Invoke(() =>
{
oLoan.LoanAmount = LoanAmountTextBox.Text.StringToMoney();
oLoan.IsActive = true;
oLoan.IsPayed = false;
oLoan.MemberId = Utility.CurrentMember.Id;
oLoan.InstallmentsCount = System.Convert.ToInt32(InstallmentsCountTextBox.Text.Trim());
oLoan.RefundAmount = LoanAmountTextBox.Text.StringToMoney();
oLoan.StartDate = LoanDateTimeDatePicker.SelectedDateTime;
oLoan.EndDate = LoanDateTimeDatePicker.SelectedDateTime;
oLoan.Description = DescriptionTextBox.Text.Trim();
});
oUnitOfWork.LoanRepository.Insert(oLoan);
oFund.Balance -= oLoan.LoanAmount;
oUnitOfWork.FundRepository.Update(oFund);
oUnitOfWork.Save();
Utility.CurrentFund = oFund;
Models.Transaction oTransaction = new Models.Transaction();
oTransaction.Amount = oLoan.LoanAmount;
oTransaction.Balance = oFund.Balance;
oTransaction.Date = System.DateTime.Now;
oTransaction.Description = string.Format("پرداخت وام به مبلغ {0} ریال به {1}", oLoan.LoanAmount, Utility.CurrentMember.FullName);
oTransaction.FundId = Utility.CurrentFund.Id;
oTransaction.TransactionType = Models.TransactionType.Loan;
oTransaction.MemberId = Utility.CurrentMember.Id;
oTransaction.LoanId = oLoan.Id;
oUnitOfWork.TransactionRepository.Insert(oTransaction);
int percent = 0;
this.Dispatcher.Invoke(() =>
{
percent = (CalculatePercentCheckBox.IsChecked == true) ? Utility.CurrentFund.Percent : 0;
});
ViewModels.CreateLoanViewModel oCreateLoanViewModel = CalculateLoanParameters(oLoan.LoanAmount, oLoan.InstallmentsCount, percent);
for (int index = 0; index < oLoan.InstallmentsCount; index++)
{
int progressBarPercent = System.Convert.ToInt32(((double)(index + 1) / oLoan.InstallmentsCount) * 100);
Models.Installment oInstallment = new Models.Installment();
oInstallment.PaymentAmount = oCreateLoanViewModel.Installments.ElementAt(index);
oInstallment.IsPayed = false;
oInstallment.InstallmentDate = oLoan.StartDate.AddMonths(index + 1);
oInstallment.PaymentDate = null;
oInstallment.LoanId = oLoan.Id;
oUnitOfWork.InstallmentRepository.Insert(oInstallment);
Models.Reminder oReminder = new Models.Reminder();
FarsiLibrary.Utils.PersianDate oPersianDate = new FarsiLibrary.Utils.PersianDate(oInstallment.InstallmentDate);
oReminder.DateTime = oInstallment.InstallmentDate;
oReminder.PersianDate.Year = oPersianDate.Year;
oReminder.PersianDate.Month = oPersianDate.Month;
oReminder.PersianDate.Day = oPersianDate.Day;
oReminder.EventType = Models.Event.Installment;
oReminder.Description = string.Format("قسط {0} وام {1} به مبلغ {2}",
FarsiLibrary.Utils.ToWords.ToString(index + 1), Utility.CurrentMember.FullName, oInstallment.PaymentAmount.ToRialStringFormat());
oReminder.InstallmentId = oInstallment.Id;
oReminder.FundId = Utility.CurrentFund.Id;
oUnitOfWork.RemainderRepository.Insert(oReminder);
if (index == oLoan.InstallmentsCount - 1)
{
oLoan.EndDate = oInstallment.InstallmentDate;
oLoan.RefundAmount = oCreateLoanViewModel.RefundAmount;
oUnitOfWork.LoanRepository.Update(oLoan);
}
oUnitOfWork.Save();
(sender as System.ComponentModel.BackgroundWorker).ReportProgress(progressBarPercent);
}
Utility.CurrentLoan = oLoan;
oMember.Balance += oLoan.LoanAmount;
oUnitOfWork.MemberRepository.Update(oMember);
oUnitOfWork.Save();
}
