public IEnumerable <IIncomingTax> GetIncomingTaxes(IIncomingTaxFilter incomingTaxFilter)
{
Expression <Func <IIncomingTax, bool> > predicate = tax => IsPaymentMatch(incomingTaxFilter, tax) &&
IsTypeMatch(incomingTaxFilter, tax);
return(dataStore.IncomingTaxes.AsQueryable().Where(predicate.Compile()));
}
private IObservable <IncomingTaxesResult> CreateIncomingTaxesObservable(IObservable <IncomingPaymentsResult> incomingPaymentsObservable)
{
return(incomingPaymentsObservable
.Select(paymentsResult =>
{
IIncomingTaxFilter incomingTaxFilter = CreateIncomingTaxFilter(paymentsResult.IncomingPayments.Select(payment => payment.Id));
IReadOnlyCollection <IIncomingTax> incomingTaxes = incomingTaxRepository.GetIncomingTaxes(incomingTaxFilter).ToList();
return new IncomingTaxesResult(incomingTaxFilter, incomingTaxes);
}));
}
private IObservable <IncomingTaxesResult> CreateIncomingTaxesObservable()
{
return(Observable.Return(GetSelectedIds(incomingPaymentIdList))
.Select(paymentIds =>
{
IIncomingTaxFilter incomingTaxFilter = CreateIncomingTaxFilter(paymentIds);
IReadOnlyCollection <IIncomingTax> incomingTaxes = incomingTaxRepository.GetIncomingTaxes(incomingTaxFilter).ToList();
return new IncomingTaxesResult(incomingTaxFilter, incomingTaxes);
}));
}
private static bool IsTypeMatch(IIncomingTaxFilter incomingTaxFilter, IIncomingTax tax)
{
return(incomingTaxFilter.Types.Contains(tax.Type));
}
public IncomingTaxesResult(IIncomingTaxFilter incomingTaxFilter, IReadOnlyCollection <IIncomingTax> incomingTaxes)
{
IncomingTaxFilter = incomingTaxFilter;
IncomingTaxes = incomingTaxes;
}
private static IDictionary <string, float> GetAmountPercentData(IReadOnlyCollection <IIncomingTax> incomingTaxes, IIncomingTaxFilter incomingTaxFilter)
{
Dictionary <string, List <IIncomingTax> > incomingTaxesWithType = incomingTaxFilter.Types.ToDictionary(type => type.ToString(), type => incomingTaxes.Where(tax => tax.Type == type).ToList());
float totalAmount = incomingTaxesWithType.Sum(taxGroup => taxGroup.Value.Sum(tax => tax.Amount));
return(incomingTaxesWithType.ToDictionary(taxGroup => taxGroup.Key, taxGroup => taxGroup.Value.Sum(tax => tax.Amount) * 100 / totalAmount));
}
public IChartPairData GetChartData(IReadOnlyCollection <IIncomingTax> incomingTaxes, IIncomingTaxFilter incomingTaxFilter)
{
return(new ChartPairData
{
Ids = incomingTaxes.Select(tax => tax.Id).ToList(),
AmountPercentData = GetAmountPercentData(incomingTaxes, incomingTaxFilter),
AmountDateData = GetAmountTimeData(incomingTaxes, incomingTaxFilter)
});
}
