public function sortBy()
 {
     $newestAuction = Auction::where('FK_status_id', '=', 1)->orWhere('FK_status_id', '=', 3)->orderBy('created_at', 'desc')->first();
     switch (Input::get('type')) {
         case 'soonest':
             $auctions = Auction::orderBy('enddate', 'asc')->paginate(9);
             break;
         case 'latest':
             $auctions = Auction::orderBy('enddate', 'desc')->paginate(9);
             break;
         case 'new':
             $auctions = Auction::orderBy('created_at', 'desc')->paginate(9);
             break;
         case 'popular':
             $auctions = Auction::leftJoin('bidders', 'auctions.id', '=', 'bidders.FK_auction_id')->selectRaw('auctions.*, count(bidders.FK_auction_id) AS `count`')->groupBy('auctions.id')->orderBy('count', 'DESC')->paginate(9);
             break;
     }
     return view('overview')->with('newestAuction', $newestAuction)->with('auctions', $auctions);
 }