/// <summary>
/// Returns the valid exchange rate for a given pair of currencies.
/// </summary>
/// <param name="fromCurrency">From currency.</param>
/// <param name="toCurrency">To currency.</param>
/// <returns>The exchange rate</returns>
/// <remarks></remarks>
public decimal GetExchangeRate(string fromCurrency, string toCurrency)
{
decimal exchangeRate = 0.00M;
// Check wheter currency code in parameters are whitespaces or null.
if (string.IsNullOrWhiteSpace(fromCurrency))
{
throw new ArgumentNullException("fromCurrency");
}
if (string.IsNullOrWhiteSpace(toCurrency))
{
throw new ArgumentNullException("toCurrency");
}
// If from and to currency is the same one return 1.0M
if (string.Equals(fromCurrency.Trim(), toCurrency.Trim(), StringComparison.OrdinalIgnoreCase))
{
return(1.0M);
}
//Exchange Rate Data manager
ExchangeRateDataManager exchangeRateData = new ExchangeRateDataManager(
ApplicationSettings.Database.LocalConnection,
ApplicationSettings.Database.DATAAREAID);
//Gets valid Exchange Rate Type for POS
Int64 exchangeRateType = ApplicationSettings.Terminal.ExchangeRateType;
exchangeRate = exchangeRateData.GetExchangeRate(fromCurrency, toCurrency, exchangeRateType);
return(exchangeRate / 100);
}
protected override void OnLoad(EventArgs e)
{
if (!this.DesignMode)
{
LogMessage("Loading frmTenderCount",
LSRetailPosis.LogTraceLevel.Trace,
this.ToString());
TranslateLabels();
// Check which amounts the POS will expect per tendertype
// Start by checking which tender types to count....
TenderData tenderData = new TenderData(
ApplicationSettings.Database.LocalConnection,
ApplicationSettings.Database.DATAAREAID);
LoadFromTenderData(tenderData);
LogMessage("Counting " + tendersToCount.Rows.Count + " tenders",
LSRetailPosis.LogTraceLevel.Trace,
this.ToString());
gridSource = new System.Collections.Generic.List <TenderViewModel>();
denominationDataSources = new Dictionary <int, List <DenominationViewModel> >();
foreach (DataRow row in tendersToCount.Rows)
{
ITender tmpTender = Dialog.InternalApplication.BusinessLogic.Utility.CreateTender();
tmpTender.TenderID = row["TENDERTYPEID"].ToString();
tmpTender.TenderName = row["NAME"].ToString();
tmpTender.PosisOperation = (PosisOperations)(row["POSOPERATION"]);
LSRetailPosis.ApplicationLog.Log(this.ToString(), "Counting: " + tmpTender.TenderID
+ " " + tmpTender.TenderName + " "
+ tmpTender.PosisOperation.ToString(),
LSRetailPosis.LogTraceLevel.Trace);
switch (tmpTender.PosisOperation)
{
case PosisOperations.PayCash:
cashCounted = true;
TenderViewModel cashRow = new TenderViewModel()
{
TenderTypeId = tmpTender.TenderID,
TenderOperationType = tmpTender.PosisOperation,
TenderName = tmpTender.TenderName,
DisplayName = ApplicationLocalizer.Language.Translate(STRING_ID_TENDER_NAME, ApplicationSettings.Terminal.StoreCurrency),
Currency = ApplicationSettings.Terminal.StoreCurrency
};
gridSource.Insert(0, cashRow);
break;
case PosisOperations.PayCurrency:
foreignCurrencyCounted = true;
ExchangeRateDataManager exchangeRateData = new ExchangeRateDataManager(ApplicationSettings.Database.LocalConnection, ApplicationSettings.Database.DATAAREAID);
//Initialize with all number of currencies avialable
foreach (string currency in exchangeRateData.GetCurrencyPair(
ApplicationSettings.Terminal.StoreCurrency,
ApplicationSettings.Terminal.ExchangeRateType,
ApplicationSettings.Terminal.StorePrimaryId))
{
TenderViewModel currencyRow = new TenderViewModel()
{
TenderTypeId = tmpTender.TenderID,
TenderOperationType = tmpTender.PosisOperation,
TenderName = tmpTender.TenderName,
DisplayName = ApplicationLocalizer.Language.Translate(STRING_ID_TENDER_NAME, currency),
Currency = currency
};
gridSource.Insert(gridSource.Count > 0 ? 1 : 0, currencyRow);
}
break;
default:
otherTendersCounted = true;
TenderViewModel otherRow = new TenderViewModel()
{
TenderTypeId = tmpTender.TenderID,
TenderOperationType = tmpTender.PosisOperation,
TenderName = tmpTender.TenderName,
DisplayName = tmpTender.TenderName
};
gridSource.Add(otherRow);
break;
}
}
this.gridTenders.DataSource = gridSource;
this.Text = lblHeader.Text = formHeadingText;
this.gvTenders.Appearance.HeaderPanel.ForeColor = this.ForeColor;
this.gvTenders.Appearance.Row.ForeColor = this.ForeColor;
UpdateTotalAmount();
}
base.OnLoad(e);
}
