async void Convert()
{
if (string.IsNullOrEmpty(Amount))
{
await dialogService.ShowMessage(
Lenguages.Error,
Lenguages.AmountNumericValidation);
return;
}
decimal amount = 0;
if (!decimal.TryParse(Amount, out amount))
{
await dialogService.ShowMessage(
Lenguages.Error,
Lenguages.AmountNumericValidation);
return;
}
if (string.IsNullOrEmpty(SourceRate))
{
await dialogService.ShowMessage(
Lenguages.Error,
Lenguages.SourceRateValidation);
return;
}
if (string.IsNullOrEmpty(TargetRate))
{
await dialogService.ShowMessage(
Lenguages.Error,
Lenguages.TargetRateValidation);
return;
}
var sourceRate = RateService.GetRateByName(SourceRate);
var targetRate = RateService.GetRateByName(TargetRate);
if (sourceRate == null || targetRate == null)
{
await dialogService.ShowMessage(
Lenguages.Error,
"Rate not found");
return;
}
var amountConverted = amount /
(decimal)sourceRate.TaxtRate *
(decimal)targetRate.TaxtRate;
Result = string.Format("{0} {1:C2} = {2} {3:C2}",
sourceRate.Code,
Amount,
targetRate.Code,
amountConverted);
}