private static void PrintCalculations(InvoiceHeader header, IList <InvoiceLine> lines)
{
decimal subtotal, gst, pst, total;
subtotal = gst = pst = total = 0.0m;
foreach (var line in lines)
{
subtotal += line.LineTotal;
gst += GetTax(line.LineTotal, false);
if (line.IsTaxable)
{
pst += GetTax(line.LineTotal, true);
}
}
WriteLine($"{"",18}{"Subtotal:"}{subtotal,37:N}");
WriteLine($"{"",18}{"GST:"}{gst,42:N2}");
if (pst > 0)
{
WriteLine($"{"",18}{"PST:"}{pst,42:N2}");
}
PrintDottedLine();
total = subtotal + gst + pst;
WriteLine($"{"",18}{"Total:"}{total,40:N2}");
WriteLine();
WriteLine($"{"",18}{"Discount:"}{GetDiscount(total, header.ParseTerm()[0]),37:N2}");
}
private static InvoiceHeader GetHeader(string fileHeader, IList <InvoiceLine> lines)
{
var header = fileHeader.Split(':');
var invHeader = new InvoiceHeader
{
InvoiceNumber = int.Parse(header[0]),
InvoiceDate = DateTime.Parse(header[1]),
Term = int.Parse(header[2]),
InvoiceLines = (List <InvoiceLine>)lines
};
return(invHeader);
}