// Method to display all invoices for a customer
public void listInvoicesByCustomer(int idCustomer)
{
int cont = 0;
if (!(headInvoice == null))
{
InvoiceNode temp = headInvoice;
while (temp != null)
{
if (temp.Invoice.Customer.Customer.IdCustomer == idCustomer)
{
temp.Invoice.showInvoiceStatus();
Console.WriteLine("================================================================================");
Console.WriteLine("");
Console.WriteLine("");
cont++;
}
temp = temp.Next;
}
if (cont == 0)
{
Console.WriteLine("This customer has no registered invoices.");
}
}
else
{
Console.WriteLine("The invoices list is empty.");
}
}
// Method to search for an invoice in the list by his id
public bool searchInvoiceById(int idInvoiceSearch)
{
bool found = false;
if (!(headInvoice == null))
{
InvoiceNode tmp = headInvoice;
while (tmp != null && found != true)
{
if (idInvoiceSearch == tmp.Invoice.IdInvoice)
{
found = true;
}
else
{
tmp = tmp.Next;
}
}
}
if (!found)
{
Console.WriteLine("The invoice is not registered in the system.");
}
return(found);
}
// Method to add a new invoice to the list
public bool addInvoice(Invoice invoiceData)
{
if (invoiceData == null)
{
return(false);
}
if (headInvoice == null)
{
headInvoice = new InvoiceNode();
headInvoice.Invoice = invoiceData;
}
else
{
if (searchInvoiceById(invoiceData.IdInvoice) == false)
{
InvoiceNode tmp = getLastNode();
InvoiceNode newNode = new InvoiceNode();
newNode.Invoice = invoiceData;
tmp.Next = newNode;
return(true);
}
else
{
Console.WriteLine("The invoice is already registered in the system.");
}
}
return(false);
}
// Method to get the last node in the list
public InvoiceNode getLastNode()
{
InvoiceNode tmp = null;
if (this.HeadInvoice != null)
{
tmp = this.HeadInvoice;
while (tmp.Next != null)
{
tmp = tmp.Next;
}
}
return(tmp);
}
/*=========================================METHODS================================*/
// Method to get the size of the list
public int getSize()
{
InvoiceNode tmp = null;
int count = 0;
if (this.HeadInvoice != null)
{
tmp = this.HeadInvoice;
while (tmp.Next != null)
{
count++;
tmp = tmp.Next;
}
}
return(count);
}
// Method to return an invoice by his ID
public InvoiceNode returnInvoiceByID(int idInvoiceToReturn)
{
InvoiceNode tmp = null;
int count = 0;
if (!(headInvoice == null))
{
if (searchInvoiceById(idInvoiceToReturn) == true)
{
tmp = this.HeadInvoice;
while (count < getSize() && !(tmp.Invoice.IdInvoice == idInvoiceToReturn))
{
tmp = tmp.Next;
}
}
}
return(tmp);
}
// Method to show all elements of the list
public void listInvoices()
{
if (!(headInvoice == null))
{
InvoiceNode tmp = headInvoice;
while (tmp != null)
{
tmp.Invoice.showInvoiceStatus();
tmp = tmp.Next;
Console.WriteLine("================================================================================");
Console.WriteLine("");
Console.WriteLine("");
}
}
else
{
Console.WriteLine("The invoices list is empty");
}
}
//Constructores
public InvoiceNode()
{
invoice = new Invoice();
next = null;
}
//Constructors
public InvoiceList()
{
headInvoice = null;
}
public InvoiceList(InvoiceNode headInvoice)
{
this.headInvoice = headInvoice;
}