public function index()
 {
     $limit = 2;
     $announcement = Announcement::orderBy('created_at', 'desc')->limit($limit)->get();
     $now = new Datetime();
     $now = $now->format('Y-m-d');
     $upcomingTrainings = Training::where('status', '=', 1)->where('start_date', '>', Carbon\Carbon::createFromFormat('Y-m-d H:i:s', $now . ' 00:00:00'))->orderBy('start_date', 'asc')->limit($limit)->get();
     $ongoingTrainings = Training::where('status', '=', 1)->where('start_date', '<=', Carbon\Carbon::createFromFormat('Y-m-d H:i:s', $now . ' 00:00:00'))->where('end_date', '>=', Carbon\Carbon::createFromFormat('Y-m-d H:i:s', $now . ' 00:00:00'))->limit($limit)->get();
     $all_slider = Slider::orderBy('position', 'asc')->get();
     $clients = Client::orderBy('created_at', 'desc')->limit(5)->get();
     return view('bard_frontend.index', compact('announcement', 'upcomingTrainings', 'ongoingTrainings', 'all_slider', 'clients'));
 }
 public function admin_clients()
 {
     $clients = Client::orderBy('updated_at', 'desc')->get();
     return view('bard_clients/admin_clients')->with('clients', 'active')->with('clients', $clients);
 }