// GET: Invoice
public ActionResult Index()
{
BinaryTree <Invoice> InvoiceTree;
// If there's already a tree, we work on it. Otherwise, we create a new one.
if (Session["InvoiceTree"] != null)
{
InvoiceTree = (BinaryTree <Invoice>)Session["InvoiceTree"];
}
else
{
InvoiceTree = new BinaryTree <Invoice>();
}
// Session["ProductsTree"] will be considered null if there's no item in the tree
if (InvoiceTree.Size() == 0)
{
Session["InvoiceTree"] = null;
}
else
{
Session["InvoiceTree"] = InvoiceTree;
}
return(View(Session["ProductsTree"]));
}
public ActionResult Add(string serial, string correlative, string customer, string NIT, string date, string purchaseDescription, string total)
{
BinaryTree <Invoice> InvoiceTree;
if (Session["InvoiceTree"] != null)
{
InvoiceTree = (BinaryTree <Invoice>)Session["InvoiceTree"];
}
else
{
InvoiceTree = new BinaryTree <Invoice>();
}
Invoice InvoiceObj = null;
if (serial != null)
{
InvoiceObj = new Invoice(serial, correlative, customer, NIT, date, purchaseDescription, total);
}
else
{
InvoiceObj = new Invoice(correlative, customer, NIT, date, purchaseDescription, total);
}
InvoiceTree.Insert(InvoiceObj, Invoice.compareInvoices);
Session["InvoiceTree"] = InvoiceTree;
return(View("Index", Session["InvoiceTree"]));
}
[HttpPost] //Since user is retrieving data
public ActionResult ReadInvoice(HttpPostedFileBase uploadedFile)
{
BinaryTree <Invoice> InvoiceTree;
// If there's already a tree, we work on it. Otherwise, we create a new one.
if (Session["InvoiceTree"] != null)
{
InvoiceTree = (BinaryTree <Invoice>)Session["InvoiceTree"];
}
else
{
InvoiceTree = new BinaryTree <Invoice>();
}
if (uploadedFile == null)
{
return(View("Index"));
}
StreamReader reader = new StreamReader(uploadedFile.InputStream);
string line = "";
if (uploadedFile != null && uploadedFile.ContentLength > 0)
{
while ((line = reader.ReadLine()) != null)
{
var information = line.Split(',');
Invoice InvoiceObj = null;
if (information.Length == 7) //means there's specific serial in the parameters
{
int total = -1;
//Data validation
try
{
total = int.Parse(information[6]);
}
catch (Exception)
{
}
InvoiceObj = new Invoice(information[0], information[1], information[2], information[3], information[4], information[5], information[6]);
}
else if (information.Length == 6) // means no serial in the parameteres, there will be a random one.
{
int total = -1;
//Data validation
try
{
total = int.Parse(information[7]);
}
catch (Exception)
{
}
InvoiceObj = new Invoice(information[0], information[1], information[2], information[3], information[4], information[5]);
}
InvoiceTree.Insert(InvoiceObj, (Invoice x, Invoice y) => (x.serial + x.correlative).CompareTo(y.serial + y.correlative));
}
}
Session["InvoiceTree"] = InvoiceTree;
return(View("Index", Session["InvoiceTree"]));
}