public function departmentView($department_code, $filter)
 {
     $ticketFilter = new TicketFilter($department_code, $filter);
     $tickets = $ticketFilter->departmentViewFilter();
     $department = \App\Department::where('department_code', $department_code)->first();
     return view('helpdeskviews.department', compact('department', 'tickets', 'filter'));
 }