/// <summary>
/// Method to read and parse the invoicedata.txt file
/// </summary>
/// <param name="lineData">file to parse</param>
public void ReadLineData(string lineData)
{
string[] line = lineData.Split('|', ':');
Invoice invoice = new Invoice();
List <InvoiceDetailLine> items = new List <InvoiceDetailLine>();
int element = NUMBER_OF_ELEMENTS;
invoice.InvoiceNumber = line[element++];
DateFormatter dateFormatter = new DateFormatter();
invoice.InvoiceDate = dateFormatter.Date(line[element++]);
// If line[element].Length does not equal TERMS_LENGTH invoice will not generate
// and will return error message
if (line[element].Length == TERMS_LENGTH)
{
invoice.DiscountAmount = int.Parse(line[element].Substring(0, 1));
int discountDays = int.Parse(line[element++].Substring(1, 2));
invoice.DiscountPeriod = discountDays;
invoice.DiscountDate = dateFormatter.AddDays(discountDays);
}
else
{
ConsolePrinter.PrintError("Error with data file. Unable to parse the invoice's terms " + line[element], " - An invoice not generated, terms must only be 3 numeric characters.");
return;
}
while (line.Length > element)
{
InvoiceDetailLine item = new InvoiceDetailLine();
item.Quantity = int.Parse(line[element++]);
item.SkuNumber = line[element++];
item.ItemDescription = line[element++];
item.ItemPrice = decimal.Parse(line[element++]);
item.ProvincialSalesTax = line[element++];
// If items.Count is greater than MAXIMUM_NUMBER_OF_ITEMS invoice will not generate
// and will return error message
if (items.Count <= MAXIMUM_NUMBER_OF_ITEMS)
{
items.Add(item);
}
else if (items.Count > MAXIMUM_NUMBER_OF_ITEMS)
{
ConsolePrinter.PrintError("Error with data file. Unable to parse the invoice's items list", " - An invoice not generated, total of items must be less than or equal to " + items.Count);
return;
}
}
invoice.Items = items.ToArray();
invoices.Add(invoice);
}
/// <summary>
/// Drives the program
/// </summary>
/// <param name="args">Command line arguments</param>
static void Main(string[] args)
{
StreamReader streamReader = null;
string path = string.Empty;
string lineData;
if (args.Length > NUMBER_OF_ARGS)
{
path = args[NUMBER_OF_ARGS];
}
else
{
Console.WriteLine($"Usage: COMP2614Assign03 invoicedata.txt");
return;
}
if (File.Exists(path))
{
try
{
streamReader = new StreamReader(path);
InvoiceReader invoiceReader = new InvoiceReader();
while (streamReader.Peek() > DATA)
{
lineData = streamReader.ReadLine();
invoiceReader.ReadLineData(lineData);
}
ConsolePrinter print = new ConsolePrinter();
print.PrintInvoices(invoiceReader.Invoices.ToArray());
}
catch (Exception e)
{
Console.WriteLine($"\n{e.Message}\n");
}
finally
{
if (streamReader != null)
{
streamReader.Close();
}
}
}
else
{
Console.WriteLine("\nFile not found.\n");
}
}
static void Main(string[] args)
{
InvoiceCollection invoices = DataGenerator.GetInvoices();
ConsolePrinter.ShowInvoice(invoices);
}
