private static bool CalculateCommonRealUsageFee(InvoiceShared realInvoice, InvoiceShared estimatedInvoice, FeeConfig feeConfig)
{
Contract.Requires(realInvoice != null);
Contract.Requires(estimatedInvoice != null);
Contract.Requires(feeConfig != null);
realInvoice.GetUsageFee().CleanWaterFee += (estimatedInvoice.GetConsumption().Real *feeConfig.GetMonthlyCleanWaterUsageFeeWithoutVAT()).RoundToCents();
realInvoice.GetUsageFee().WasteWaterFee += (estimatedInvoice.GetConsumption().Real *feeConfig.GetMonthlyWasteWaterUsageFeeWithoutVAT()).RoundToCents();
return(true);
}
private static bool CalculateCommonEstimatedUsageFee(InvoiceShared estimatedInvoice, FeeConfig feeConfig)
{
Contract.Requires(estimatedInvoice != null);
Contract.Requires(feeConfig != null);
if (estimatedInvoice.Balanced == false)
{
estimatedInvoice.GetUsageFee().CleanWaterFee = (estimatedInvoice.GetConsumption().Estimated *feeConfig.GetMonthlyCleanWaterUsageFeeWithoutVAT()).RoundToCents();
estimatedInvoice.GetUsageFee().WasteWaterFee = (estimatedInvoice.GetConsumption().Estimated *feeConfig.GetMonthlyWasteWaterUsageFeeWithoutVAT()).RoundToCents();
return(true);
}
return(false);
}
private static void CalculateUserEstimatedUsageFee(UserInvoice userEstimatedInvoice, FeeConfig feeConfig)
{
Contract.Requires(userEstimatedInvoice != null);
Contract.Requires(feeConfig != null);
userEstimatedInvoice.GetUsageFee().CleanWaterFee = (userEstimatedInvoice.GetConsumption().Estimated *feeConfig.GetMonthlyCleanWaterUsageFeeWithoutVAT()).RoundToCents();
userEstimatedInvoice.GetUsageFee().WasteWaterFee = (userEstimatedInvoice.GetConsumption().Estimated *feeConfig.GetMonthlyWasteWaterUsageFeeWithoutVAT()).RoundToCents();
}
