public static void CalculateInvoiceChargeAmounts(Taxation tax, List <InvoiceItem> items,
out decimal totalAmount, out decimal subTotalAmount, out decimal taxAmount)
{
totalAmount = subTotalAmount = taxAmount = 0;
// calculate all invoice items
foreach (InvoiceItem item in items)
{
subTotalAmount += item.SubTotal;
}
//
totalAmount = subTotalAmount;
// tax applies
if (tax != null)
{
switch (tax.Type)
{
case TaxationType.Fixed:
taxAmount = tax.Amount;
totalAmount += taxAmount;
break;
case TaxationType.Percentage:
taxAmount = (subTotalAmount / 100) * tax.Amount;
totalAmount += taxAmount;
break;
case TaxationType.TaxIncluded:
taxAmount = totalAmount - totalAmount * 100 / (100M + tax.Amount);
subTotalAmount -= taxAmount;
break;
}
}
}
public static int AddInvoice(string contractId, List <InvoiceItem> invoiceLines, KeyValueBunch extraArgs)
{
ContractAccount account = ContractSystem.ContractController.GetContractAccountSettings(contractId);
// read customer tax
Taxation tax = GetCustomerTaxation(contractId, account[ContractAccount.COUNTRY], account[ContractAccount.STATE]);
int taxationId = (tax == null) ? -1 : tax.TaxationId;
// Calculate invoice amounts
decimal totalAmount = 0, subTotalAmount = 0, taxAmount = 0;
CalculateInvoiceChargeAmounts(tax, invoiceLines, out totalAmount, out subTotalAmount, out taxAmount);
// align svcs suspend date
int[] svcs = new int[invoiceLines.Count];
for (int i = 0; i < invoiceLines.Count; i++)
{
svcs[i] = invoiceLines[i].ServiceId;
}
DateTime sdateAligned = ServiceController.GetSvcsSuspendDateAligned(svcs, DateTime.Now);
//
StoreSettings settings = StorehouseController.GetStoreSettings(ES.SecurityContext.User.UserId,
StoreSettings.SYSTEM_SETTINGS);
// get invoice grace period in days
int gracePeriod = Common.Utils.Utils.ParseInt(settings["InvoiceGracePeriod"], 0);
//
if (gracePeriod < 0)
{
gracePeriod = 0;
}
//
DateTime created = DateTime.Now;
DateTime dueDate = sdateAligned.AddDays(gracePeriod);
//
return(AddInvoice(contractId, created, dueDate, taxationId, totalAmount, subTotalAmount, taxAmount,
invoiceLines, extraArgs));
}
internal static string GetCustomerInvoiceFormattedInternally(Contract contract, int invoiceId, ContractAccount accountSettings, string cultureName)
{
//
Invoice invoiceInfo = GetCustomerInvoiceInternally(invoiceId);
// impersonate
ES.SecurityContext.SetThreadPrincipal(contract.ResellerId);
// load settings
StoreSettings settings = StorehouseController.GetStoreSettings(contract.ResellerId, StoreSettings.NEW_INVOICE);
//
string templateBody = settings["HtmlBody"];
//
Taxation invoiceTax = StorehouseController.GetTaxation(contract.ResellerId, invoiceInfo.TaxationId);
//
List <InvoiceItem> invoiceLines = GetCustomerInvoiceItems(invoiceId);
Dictionary <int, Service> invoiceServices = ServiceController.GetServicesDictionary(invoiceLines);
//
Template tm = new Template(templateBody);
tm["Invoice"] = invoiceInfo;
tm["InvoiceLines"] = invoiceLines;
tm["InvoiceServices"] = invoiceServices;
tm["Customer"] = accountSettings;
tm["Tax"] = invoiceTax;
StringWriter writer = new StringWriter();
try
{
// Preserve an original thread culture
CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
//
if (!String.IsNullOrEmpty(cultureName))
{
try
{
CultureInfo formattingCulture = new CultureInfo(cultureName);
// Empty currency symbol to supporty 3-letters ISO format
// hardcorded in HTML templates
formattingCulture.NumberFormat.CurrencySymbol = String.Empty;
// Set formatting culture
Thread.CurrentThread.CurrentCulture = formattingCulture;
}
catch (Exception ex)
{
TaskManager.WriteWarning("Wrong culture name has been provided. Culture name: {0}.", cultureName);
TaskManager.WriteWarning(ex.StackTrace);
TaskManager.WriteWarning(ex.Message);
}
}
// Process template
tm.Evaluate(writer);
templateBody = writer.ToString();
// Revert the original thread's culture back
Thread.CurrentThread.CurrentCulture = originalCulture;
}
catch (ParserException ex)
{
return(String.Format("Error in template (Line {0}, Column {1}): {2}",
ex.Line, ex.Column, ex.Message));
}
return(templateBody);
}
public static void CalculateInvoiceChargeAmounts(Taxation tax, List<InvoiceItem> items,
out decimal totalAmount, out decimal subTotalAmount, out decimal taxAmount)
{
totalAmount = subTotalAmount = taxAmount = 0;
// calculate all invoice items
foreach (InvoiceItem item in items)
subTotalAmount += item.SubTotal;
//
totalAmount = subTotalAmount;
// tax applies
if (tax != null)
{
switch (tax.Type)
{
case TaxationType.Fixed:
taxAmount = tax.Amount;
totalAmount += taxAmount;
break;
case TaxationType.Percentage:
taxAmount = (subTotalAmount / 100) * tax.Amount;
totalAmount += taxAmount;
break;
case TaxationType.TaxIncluded:
taxAmount = totalAmount - totalAmount * 100 / (100M + tax.Amount);
subTotalAmount -= taxAmount;
break;
}
}
}