/// <summary>
/// Returns a list of all of the invoices in the database
/// </summary>
/// <returns></returns>
public ObservableCollection <clsMainLogic> GetInvoices()
{
ObservableCollection <clsMainLogic> result = new ObservableCollection <clsMainLogic>();
try
{
int iRet = 0;
DataSet ds = dataAccess.ExecuteSQLStatement(sql.SelectAllInvoices(), ref iRet);
for (int i = 0; i < iRet; ++i)
{
clsMainLogic invoice = new clsMainLogic();
invoice.InvoiceNum = Convert.ToInt32(ds.Tables[0].Rows[i][0].ToString());
invoice.InvoiceDate = Convert.ToDateTime(ds.Tables[0].Rows[i][1].ToString());
invoice.TotalCharge = Convert.ToDecimal(ds.Tables[0].Rows[i][2].ToString());
result.Add(invoice);
}
}
catch (Exception ex)
{
//Just throw the exception
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
return(result);
}
/// <summary>
/// Constructor for the main window
/// </summary>
public MainWindow()
{
sqlProvider = new clsMainLogic();
Application.Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
InitializeComponent();
LoadItems();
}
/// <summary>
/// This function deletes a particular invoice from the database
/// </summary>
/// <param name="Invoice">Invoice</param>
public void DeleteInvoice(clsMainLogic Invoice)
{
try
{
DataSet ds = new DataSet();
int iRet = 0;
ds = db.ExecuteSQLStatement(SQLQueries.SelectLineItems(Invoice.InvoiceNum), ref iRet);
// Delete all the line items that is associated with this invoice
for (int i = 0; i < iRet; i++)
{
int lineItemNum = Convert.ToInt32(ds.Tables[0].Rows[i][0].ToString());
db.ExecuteNonQuery(SQLQueries.deleteLineItem(Invoice.InvoiceNum, lineItemNum));
}
// Delete the invoice
db.ExecuteNonQuery(SQLQueries.deleteInvoice(Invoice.InvoiceNum));
}
catch (Exception ex)
{
//Just throw the exception
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
/// <summary>
/// default constructor
/// </summary>
public MainWindow()
{
InitializeComponent();
controller = new clsMainLogic();
updateAllInvoices();
lbStock.ItemsSource = controller.getAllItemsInStock();
}
public MainWindow()
{
InitializeComponent();
// load each of the 3 logic classes, all data will pass through here
mn = new clsMainLogic(); // Load Main Class
sl = new clsSearchLogic(); // Load Search Class
il = new clsItemsLogic(); // Load Item Class
}
/// <summary>
/// This function saves all the changes of current invoice into the database
/// and returns the invoice number of the invoice that it saves change to
/// </summary>
/// <param name="Invoice">clsInvoice</param>
/// <param name="isNewInvoice">Boolean</param>
/// <returns>InvoiceNum</returns>
public int SaveChanges(clsMainLogic Invoice, bool isNewInvoice)
{
try
{
int invoiceNum;
// if this is not a new added invoice
if (isNewInvoice == false)
{
invoiceNum = Invoice.InvoiceNum;
DataSet ds = new DataSet();
int iRet = 0;
ds = db.ExecuteSQLStatement(SQLQueries.SelectLineItems(Invoice.InvoiceNum), ref iRet);
// Clear all the line items that is associated with this invoice
for (int i = 0; i < iRet; i++)
{
int lineItemNum = Convert.ToInt32(ds.Tables[0].Rows[i][0].ToString());
db.ExecuteNonQuery(SQLQueries.deleteLineItem(Invoice.InvoiceNum, lineItemNum));
}
// Update the date and total charge for this invoice
db.ExecuteNonQuery(SQLQueries.updateInvoice(Invoice.InvoiceNum, Invoice.InvoiceDate, Invoice.TotalCharge));
}
// If this is a new invoice
else
{
db.ExecuteNonQuery(SQLQueries.InsertNewInvoice(Invoice.InvoiceDateString, Invoice.TotalCharge));
// Retrieves the invoice number that just got created
invoiceNum = Convert.ToInt32(db.ExecuteScalarSQL(SQLQueries.SelectTheLatestInvNum()));
}
// Insert all the line items related to this invoice in database
for (int i = 0; i < Invoice.ItemsCollection.Count; i++)
{
int lineItemNum = Invoice.ItemsCollection[i].LineItemNum;
string itemCode = Invoice.ItemsCollection[i].ItemCode;
db.ExecuteNonQuery(SQLQueries.InsertNewLineItem(invoiceNum, lineItemNum, itemCode));
}
return(invoiceNum);
}
catch (Exception ex)
{
//Just throw the exception
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
/// <summary>
/// Constructor for Main Window
/// </summary>
public MainWindow()
{
try
{
InitializeComponent();
Application.Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
ml = new clsMainLogic();
//Populate Items ComboBox
cmbInvoiceItem.ItemsSource = ml.getItems().Select(a => a.ItemDesc);
//Populate DataGrid with Invoices
List <clsInvoice> invoice = ml.GetAllInvoices();
dgInvoices.ItemsSource = invoice;
}
catch (Exception ex)
{
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
/// <summary>
/// This function returns a particular clsInvoice object based on the invoice number parameter
/// </summary>
/// <param name="InvoiceNum"></param>
/// <returns></returns>
public clsMainLogic PopulateInvoice(int InvoiceNum)
{
try
{
DataSet ds = new DataSet();
int iRet = 0;
ds = db.ExecuteSQLStatement(SQLQueries.SelectInvoiceData(InvoiceNum), ref iRet);
ObservableCollection <clsInvoiceItem> InvoiceItemCollection = new ObservableCollection <clsInvoiceItem>();
for (int i = 0; i < iRet; i++)
{
clsInvoiceItem InvoiceItem = new clsInvoiceItem();
InvoiceItem.ItemDesc = ds.Tables[0].Rows[i][3].ToString();
InvoiceItem.ItemCost = Convert.ToDecimal(ds.Tables[0].Rows[i][4].ToString());
InvoiceItem.LineItemNum = Convert.ToInt32(ds.Tables[0].Rows[i][5].ToString());
InvoiceItem.ItemCode = ds.Tables[0].Rows[i][6].ToString();
InvoiceItemCollection.Add(InvoiceItem);
}
clsMainLogic currInvoice = new clsMainLogic();
currInvoice.ItemsCollection = InvoiceItemCollection;
currInvoice.InvoiceNum = Convert.ToInt32(ds.Tables[0].Rows[0][0].ToString());
currInvoice.InvoiceDate = Convert.ToDateTime(ds.Tables[0].Rows[0][1].ToString());
currInvoice.TotalCharge = Convert.ToDecimal(ds.Tables[0].Rows[0][2].ToString());
return(currInvoice);
}
catch (Exception ex)
{
//Just throw the exception
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
/// <summary>
/// Constructor for main window and application entry point.
/// </summary>
public MainWindow()
{
try
{
InitializeComponent();
mainLogic = new clsMainLogic();
Application.Current.ShutdownMode = ShutdownMode.OnMainWindowClose;//close the application when the main window is closed
//Maybe delete this line.
MainWndwInvoice = new clsInvoices();
dataGridList = new ObservableCollection <Item>();
itemsWindow = new wndItems();
SearchWindow = new wndSearch();
//this.Hide(); //temporary for austin's development
//itemsWindow.Show(); //temporary for austin's development
}
catch (Exception ex)
{ //this is reflection
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
/// <summary>
/// Passes the invoice number to the InvoiceWindow
/// It will be set as the active invoice
/// The InvoiceWindow will be refreshed with the active invoice info
/// </summary>
/// <param name="invoice"></param>
public void InvoiceSelected(clsMainLogic invoice)
{
invoiceInterface.SetInvoice(invoice.InvoiceNum);
}