private void DoLogin(string scanCode)
{
Employee employee = EmployeeManager.LookupByScanCode(scanCode);
if (employee == null)
{
// The debug version will have an exception here if escape-exit is used
try
{
PosDialogWindow.ShowDialog(Types.Strings.LoginLoginIncorrect, Types.Strings.Error);
return;
}
catch
{
return;
}
}
// Check if logged-in somewhere else
if (PosHelper.IsLocked(TableName.Employee, employee.Id))
{
#if !DEMO
BroadcastClientSocket.SendRemoteLogout(employee.Id);
#endif
PosHelper.Unlock(TableName.Employee, employee.Id);
}
// Check if clock-in is required
if (!employee.IsClockedIn())
{
if (!DoClockIn(employee) && !employee.HasPermission(Permissions.SystemMaintenance))
{
return;
}
}
// Proceed with login
IsLoggedIn = true;
// Clear dead-locks
Lock.DeleteAllEmployeeLocks(employee.Id);
// Lock the employee to prevent simultaneous logins
PosHelper.Lock(TableName.Employee, employee.Id, employee.Id);
#if !DEMO
// Tell other clients, that this employee just logged in
BroadcastClientSocket.SendMessage("LOGIN " + employee.Id);
#endif
StartAutoLogoutTimer();
if (Login != null)
{
Login.Invoke(this, new UserLoginEventArgs(employee));
}
}
public static void ClearTicket()
{
LoginControl.StartAutoLogoutTimer();
PosHelper.Unlock(ActiveTicket);
IsActiveTicketLocked = false;
ActiveTicket = null;
ActiveItem = null;
ActiveCategory = null;
ActiveTicketItem = null;
PseudoEmployee = null;
if (TicketCleared != null)
{
TicketCleared.Invoke(null, new EventArgs());
}
}
private void EditPartyInfo()
{
if (PosHelper.IsLocked(TableName.Party, CurrentTicket.PartyId))
{
PosDialogWindow.ShowDialog(
Types.Strings.ThePartyInformationForThisTicketIsCurrentlyBeingModifiedSomewhereElse,
Types.Strings.PartyInformationLocked);
return;
}
PosHelper.Lock(TableName.Party, CurrentTicket.PartyId, SessionManager.ActiveEmployee.Id);
PosDialogWindow window = PartyEditControl.CreateInDefaultWindow();
PartyEditControl control = window.DockedControl as PartyEditControl;
control.Initialize(ParentTicket.PartyId);
window.ShowDialog(ParentWindow);
control.ActiveParty.Update();
PosHelper.Unlock(TableName.Party, CurrentTicket.PartyId);
}
void Current_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
{
e.Handled = true;
// Stop the auto-logoof timer
LoginControl.StopAutoLogoutTimer();
// Close all database connections
DataModelBase.CloseAll();
#if !DEMO
// Send the exception to the upgrade server
Updater.StartCrashReport(e.Exception);
#endif
// Save the exception, serialized to the AppData folder
try
{
DateTime now = DateTime.Now;
string rootDirectory =
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) +
Path.DirectorySeparatorChar + "TemPOS";
if (!Directory.Exists(rootDirectory))
{
Directory.CreateDirectory(rootDirectory);
}
string path = rootDirectory + Path.DirectorySeparatorChar + "crashdata-" +
now.Year + now.Month.ToString("D2") + now.Day.ToString("D2") + "-" +
now.Hour.ToString("D2") + now.Minute.ToString("D2") + now.Second.ToString("D2") +
".bin";
using (FileStream fileStream = new FileStream(path, FileMode.CreateNew))
{
byte[] serialData = e.Exception.SerializeObject();
using (BinaryWriter writer = new BinaryWriter(fileStream))
{
writer.Write(serialData);
}
}
}
catch { }
// Display the exception message
DisplayExceptionDialog(e.Exception);
// Remove employee table lock (that prevents simultaneous login)
if (SessionManager.ActiveEmployee != null)
{
PosHelper.Unlock(TableName.Employee, SessionManager.ActiveEmployee.Id);
}
// Close this app
if (_mainWindow != null)
{
_mainWindow.AllowClose = true;
_mainWindow.Close();
}
// Disable user control crap
if (ConfigurationManager.UseKeyboardHook)
{
UserControlManager.Disable();
}
UserControlManager.ShowTaskbar(true);
#if !DEBUG
if (PastRestartPoint)
{
// Restart application
Process.Start(Application.ResourceAssembly.Location, "/RESTART");
App.SwitchToDefaultDesktopOnClose = false;
}
else
{
App.SwitchToDefaultDesktopOnClose = true;
}
#else
App.SwitchToDefaultDesktopOnClose = true;
#endif
// Shutdown current application
Application.Current.Shutdown();
Process.GetCurrentProcess().Kill();
}