public FinancialAnalysis(LoanRequest loanRequest, VAT vat)
{
//The loan Request contains all the necessary data
//to calculate a Financial Analysis.
_loanRequest = loanRequest;
_financeUtil = new ZiblerFinanceUtilities ();
//Establish what loans are present
foreach (Loan existingLoan in _loanRequest.Loans)
{
if (existingLoan.LoanType == LoanType.CapitalDeTrabajo)
{
_wrkngCptlAmrtztn = CreateAmortizationTable (existingLoan, vat);
_wrkngCptlLoan = existingLoan;
_financeUtil.AddAmortizationPaymentDates (_wrkngCptlAmrtztn.AmortizationTable,
_wrkngCptlAmrtztn.StartDate,
_wrkngCptlAmrtztn.PaymentFrequency,
Country.Mexico);
}
if (existingLoan.LoanType == LoanType.Refaccionario)
{
_fxdAsstAmrtztn = CreateAmortizationTable (existingLoan, vat);
_fxdAsstLoan = existingLoan;
_financeUtil.AddAmortizationPaymentDates (_fxdAsstAmrtztn.AmortizationTable,
_fxdAsstAmrtztn.StartDate,
_fxdAsstAmrtztn.PaymentFrequency,
Country.Mexico);
}
}
}
/// <summary>
/// Removes a VAT from the list of VATs
/// in this Financial Institution
/// </summary>
/// <param name="vat">VAT to be removed</param>
public virtual void RemoveVAT(VAT vat)
{
VATs.Remove (vat);
}
/// <summary>
/// Adds a new VAT to the list of VATs
/// in this Financial Institution
/// </summary>
/// <param name="vat">VAT to be added</param>
public virtual void AddVAT(VAT vat)
{
vat.FinancialInstitution = this;
VATs.Add (vat);
}
/// <summary>
/// Returns a FinancialAnalysis object for a given loan request
/// </summary>
/// <param name="loanRequest">loanRequest</param>
/// <param name="applicableVAT">applicableVAT</param>
/// <returns></returns>
public FinancialAnalysis GetFinancialAnalysis(LoanRequest loanRequest, VAT applicableVAT)
{
FinancialAnalysis financialAnalysis = new FinancialAnalysis(loanRequest, applicableVAT);
return financialAnalysis;
}
/// <summary>
/// Creates an amortization table using the given parameters
/// </summary>
/// <param name="loan">loan</param>
/// <param name="vat">vat</param>
/// <returns>Amortization Table</returns>
private Amortization CreateAmortizationTable(Loan loan, VAT vat)
{
AmortizationFactory amrtztnFctry = new AmortizationFactory ();
Amortization amortization;
//Before we continue, we need to get the applicable interest Rate.
//note that this is only for the Analysis, and because of this,
//then we will take the most active interest rate, if the loan request
//has not been approved, or the approved date.
DateTime? loanStartDate;
if (loan.StartDate == null)
loanStartDate = DateTime.Today;
else
loanStartDate = loan.StartDate;
DateTime? selectedDate = null;
decimal selectedInterest = 0.0m;
//TODO: Note that this code, will get all the values applicable to an interest rate.
// this may not be a big deal if they only register the value every month,
// but it may cause a problem after a couple years if the register the values
// every day.
//Look for the interest RAte
foreach (InterestRateValue value in loan.InterestRate.InterestRateValues)
{
DateTime? newDate = value.ValidFrom;
bool newDateLessEqualLoanDate
= !DateUtilities.IsFirstDateGreaterThanSecondDate (Convert.ToDateTime (newDate),
Convert.ToDateTime (loanStartDate));
if (newDateLessEqualLoanDate)
{
if (selectedDate == null)
{
selectedDate = newDate;
selectedInterest = value.Value;
}
else
{
bool isNewDateGreaterSelected =
DateUtilities.IsFirstDateGreaterThanSecondDate (Convert.ToDateTime (newDate),
Convert.ToDateTime (
selectedDate));
if (isNewDateGreaterSelected)
{
selectedDate = newDate;
selectedInterest = value.Value;
}
}
}
}
//Technically the selected date should never be null
if (selectedDate == null)
throw new ZiblerBusinessComponentsException (
Resources.LoanAnalysisMsgNoInterestRateAvailableCheckDates);
//Add the Gross Earnings Margin (margen de intermediacion) to the
//Interest Rate.
decimal interestToUse = selectedInterest + loan.GrossEarningsMargin;
amortization = amrtztnFctry.CreateAmortization (loan.AmortizationTableType,
loan.LoanedAmount,
loan.NumberOfAmortizations,
loan.PaymentFrequency,
interestToUse,
loan.GracePeriod,
Convert.ToDateTime (loanStartDate),
vat.Value);
//Calculate the amortization.
amortization.CalculateAmortizationTable ();
return amortization;
}
/// <summary>
/// Creates a new VAT and adds it to the system
/// </summary>
/// <param name="financialInstitutionName">Financial Institution name</param>
/// <param name="userName">User name</param>
/// <param name="interestRate">New vat</param>
/// <exception cref="ZiblerBusinessComponentsException" />
public void CreateNewVAT(string financialInstitutionName, string userName, VAT vat)
{
try
{
IFinancialInstitutionDAO financialInstitutionDAO = _daoFactory.GetFinancialInstitutionDAO ();
//Verify the user does not exist in the system first.
if (financialInstitutionDAO.VATExists (financialInstitutionName, vat.ValidFrom))
{
throw new ZiblerBusinessComponentsException (
Resources.SystemParametersOperationMsgVATExists);
}
else
{
//Get the financial institution, and add the new interest to it.
FinancialInstitution financialInstitution = financialInstitutionDAO.GetFinancialInstitutionByName (
financialInstitutionName);
financialInstitution.AddVAT (vat);
}
}
/* If the exception was thrown here, just pass it up */
catch (ZiblerBusinessComponentsException ex)
{
throw;
}
/* Catch any Data Layer or other exception and throw an unkown exception */
catch (Exception ex)
{
ZiblerBusinessComponentsUnknownException exc
= new ZiblerBusinessComponentsUnknownException (ex);
/* Throw the new exception */
throw exc;
}
}
/// <summary>
/// Update the VAT and save it to the system
/// </summary>
/// <param name="vatToUpdate">VAT to be updated</param>
/// <exception cref="ZiblerBusinessComponentsException" />
public void UpdateVAT(VAT vatToUpdate)
{
try
{
IFinancialInstitutionDAO financialInstitutionDAO = _daoFactory.GetFinancialInstitutionDAO ();
IVatDAO vatDAO = _daoFactory.GetVatDAO ();
DateTime? oldVATDate = vatDAO.GetVATDate (vatToUpdate.Id);
if (oldVATDate == null)
throw new ZiblerBusinessComponentsException (Resources.RecordNotFound);
else
{
//If the dates are the same then just go ahead and update
if (DateTime.Compare (Convert.ToDateTime (oldVATDate),
Convert.ToDateTime (vatToUpdate.ValidFrom)) == 0)
vatDAO.MakePersistent (vatToUpdate);
else
{
//If dates are different, then verify there is no other VAT registered on that date.
if (financialInstitutionDAO.VATExists (vatToUpdate.FinancialInstitution.Name,
vatToUpdate.ValidFrom))
throw new ZiblerBusinessComponentsException (
Resources.SystemParametersOperationMsgVATExists);
else
vatDAO.MakePersistent (vatToUpdate);
}
}
}
/* If the exception was thrown here, just pass it up */
catch (ZiblerBusinessComponentsException ex)
{
throw;
}
/* Catch any Data Layer or other exception and throw an unkown exception */
catch (Exception ex)
{
ZiblerBusinessComponentsUnknownException exc
= new ZiblerBusinessComponentsUnknownException (ex);
/* Throw the new exception */
throw exc;
}
}
