/**
  * Display a listing of the resource.
  *
  * @return \Illuminate\Http\Response
  */
 public static function getViewModel()
 {
     $years = DB::table('contributions')->select(DB::raw('DISTINCT YEAR(contributions.month_year ) years'))->orderBy('years', 'desc')->get();
     $years_list = [];
     foreach ($years as $item) {
         $years_list[$item->years] = $item->years;
     }
     $months_list = Util::getArrayMonths();
     return ['years_list' => $years_list, 'months_list' => $months_list];
 }
 /**
  * Display a listing of the resource.
  *
  * @return \Illuminate\Http\Response
  */
 public function index()
 {
     $last_ipc_rate = IpcRate::orderBy('month_year', 'desc')->first();
     $data = ['last_ipc_rate' => $last_ipc_rate, 'months' => Util::getArrayMonths()];
     return view('ipc_rate.index', $data);
 }