public QuoteRequestTotals CalculateTotals(QuoteRequest quote)
{
var retVal = new QuoteRequestTotals();
var cartFromQuote = quote.ToCartModel();
var store = _storeService.GetById(quote.StoreId);
if (store != null)
{
//Calculate shipment total
//firts try to get manual amount
retVal.ShippingTotal = quote.ManualShippingTotal;
if (retVal.ShippingTotal == 0 && quote.ShipmentMethod != null)
{
//calculate total by using shipment gateways
var evalContext = new ShippingEvaluationContext(cartFromQuote);
var rate = store.ShippingMethods.Where(x => x.IsActive && x.Code == quote.ShipmentMethod.ShipmentMethodCode)
.SelectMany(x => x.CalculateRates(evalContext))
.Where(x => quote.ShipmentMethod.OptionName != null ? quote.ShipmentMethod.OptionName == x.OptionName : true)
.FirstOrDefault();
retVal.ShippingTotal = rate != null ? rate.Rate : 0m;
}
//Calculate taxes
var taxProvider = store.TaxProviders.Where(x => x.IsActive).OrderBy(x => x.Priority).FirstOrDefault();
if (taxProvider != null)
{
var taxRequest = quote.ToTaxRequest();
var taxEvalContext = new TaxEvaluationContext(taxRequest);
retVal.TaxTotal = taxProvider.CalculateRates(taxEvalContext).Select(x => x.Rate).DefaultIfEmpty(0).Sum(x => x);
}
}
//Calculate subtotal
var items = quote.Items.Where(x => x.SelectedTierPrice != null);
if (quote.Items != null)
{
retVal.OriginalSubTotalExlTax = items.Sum(x => x.SalePrice * x.SelectedTierPrice.Quantity);
retVal.SubTotalExlTax = items.Sum(x => x.SelectedTierPrice.Price * x.SelectedTierPrice.Quantity);
if (quote.ManualSubTotal > 0)
{
retVal.DiscountTotal = retVal.SubTotalExlTax - quote.ManualSubTotal;
retVal.SubTotalExlTax = quote.ManualSubTotal;
}
else if (quote.ManualRelDiscountAmount > 0)
{
retVal.DiscountTotal = retVal.SubTotalExlTax * quote.ManualRelDiscountAmount * 0.01m;
}
}
return retVal;
}
public IHttpActionResult EvaluateTaxes(string storeId, [FromBody]coreTaxModel.TaxEvaluationContext evalContext)
{
var retVal = new List<coreTaxModel.TaxRate>();
var store = _storeService.GetById(storeId);
if(storeId != null)
{
var activeTaxProvider = store.TaxProviders.FirstOrDefault(x => x.IsActive);
if(activeTaxProvider != null)
{
retVal.AddRange(activeTaxProvider.CalculateRates(evalContext));
}
}
return Ok(retVal);
}
public static taxCoreModel.TaxEvaluationContext ToTaxEvalContext(this coreModel.QuoteRequest quoteRequest)
{
var retVal = new taxCoreModel.TaxEvaluationContext();
retVal.Id = quoteRequest.Id;
retVal.Code = quoteRequest.Number;
retVal.Currency = quoteRequest.Currency;
retVal.Address = quoteRequest.Addresses != null ? quoteRequest.Addresses.FirstOrDefault() : null;
retVal.Type = quoteRequest.GetType().Name;
foreach(var quoteItem in quoteRequest.Items)
{
var line = new taxCoreModel.TaxLine
{
Id = quoteItem.Id,
Code = quoteItem.Sku,
Name = quoteItem.Name,
TaxType = quoteItem.TaxType,
Amount = quoteItem.SelectedTierPrice.Price * quoteItem.SelectedTierPrice.Quantity
};
retVal.Lines.Add(line);
}
return retVal;
}
public static taxCoreModel.TaxEvaluationContext ToTaxEvalContext(this ShoppingCart cart)
{
var retVal = new taxCoreModel.TaxEvaluationContext();
retVal.Id = cart.Id;
retVal.Code = cart.Name;
retVal.Currency = cart.Currency;
retVal.Address = cart.Addresses != null ? cart.Addresses.FirstOrDefault() : null;
retVal.Type = cart.GetType().Name;
foreach (var cartItem in cart.Items)
{
var line = new taxCoreModel.TaxLine
{
Id = cartItem.Id,
Code = cartItem.Sku,
Name = cartItem.Name,
TaxType = cartItem.TaxType,
Amount = cartItem.SalePrice * cartItem.Quantity
};
retVal.Lines.Add(line);
}
return retVal;
}
public static taxCoreModel.TaxEvaluationContext ToTaxEvalContext(this coreModel.QuoteRequest quoteRequest)
{
var retVal = new taxCoreModel.TaxEvaluationContext();
retVal.Id = quoteRequest.Id;
retVal.Code = quoteRequest.Number;
retVal.Currency = quoteRequest.Currency;
retVal.Address = quoteRequest.Addresses != null?quoteRequest.Addresses.FirstOrDefault() : null;
retVal.Type = quoteRequest.GetType().Name;
foreach (var quoteItem in quoteRequest.Items)
{
var line = new taxCoreModel.TaxLine
{
Id = quoteItem.Id,
Code = quoteItem.Sku,
Name = quoteItem.Name,
TaxType = quoteItem.TaxType,
Amount = quoteItem.SelectedTierPrice.Price * quoteItem.SelectedTierPrice.Quantity
};
retVal.Lines.Add(line);
}
return(retVal);
}
public static taxCoreModel.TaxEvaluationContext ToTaxEvalContext(this ShoppingCart cart)
{
var retVal = new taxCoreModel.TaxEvaluationContext();
retVal.Id = cart.Id;
retVal.Code = cart.Name;
retVal.Currency = cart.Currency;
retVal.Address = cart.Addresses != null?cart.Addresses.FirstOrDefault() : null;
retVal.Type = cart.GetType().Name;
foreach (var cartItem in cart.Items)
{
var line = new taxCoreModel.TaxLine
{
Id = cartItem.Id,
Code = cartItem.Sku,
Name = cartItem.Name,
TaxType = cartItem.TaxType,
Amount = cartItem.SalePrice * cartItem.Quantity
};
retVal.Lines.Add(line);
}
return(retVal);
}
private List<TaxRate> GetTaxRates(TaxEvaluationContext evalContext)
{
List<TaxRate> retVal = new List<TaxRate>();
LogInvoker<AvalaraLogger.TaxRequestContext>.Execute(log =>
{
if (IsEnabled && !string.IsNullOrEmpty(AccountNumber)
&& !string.IsNullOrEmpty(LicenseKey)
&& !string.IsNullOrEmpty(ServiceUrl)
&& !string.IsNullOrEmpty(CompanyCode))
{
var request = evalContext.ToAvaTaxRequest(CompanyCode, false);
if (request != null)
{
log.docCode = request.DocCode;
log.docType = request.DocType.ToString();
log.customerCode = request.CustomerCode;
var taxSvc = new JsonTaxSvc(AccountNumber, LicenseKey, ServiceUrl);
var getTaxResult = taxSvc.GetTax(request);
if (!getTaxResult.ResultCode.Equals(SeverityLevel.Success))
{
//if tax calculation failed create exception with provided error info
var error = string.Join(Environment.NewLine, getTaxResult.Messages.Select(m => m.Summary));
throw new Exception(error);
}
foreach (var taxLine in getTaxResult.TaxLines ?? Enumerable.Empty<AvaTaxCalcREST.TaxLine>())
{
var rate = new TaxRate
{
Rate = taxLine.Tax,
Currency = evalContext.Currency,
TaxProvider = this,
Line = evalContext.Lines.First(l => l.Id == taxLine.LineNo)
};
retVal.Add(rate);
}
}
else
{
throw new Exception("Failed to create get tax request");
}
}
else
{
throw new Exception("Failed to create get tax request");
}
})
.OnError(_logger, AvalaraLogger.EventCodes.TaxCalculationError)
.OnSuccess(_logger, AvalaraLogger.EventCodes.GetSalesInvoiceRequestTime);
return retVal;
}