public function chooseWinner(Request $request){
        if ($request->has('date') && $request->get('date') != "" && $request->has('prize') && $request->get('prize') != "") {
            if (\Auth::user()->country!="") {
                $choosen_redemption = Redemptions::whereDoesntHave('winner')->where('country_of_residence',\Auth::user()->country);
            }else{
                $choosen_redemption = Redemptions::whereDoesntHave('winner');
                if ($request->has('country') && $request->get('country') != "") {
                    $choosen_redemption->where('country_of_residence', $request->get('country'));
                }
            }
            $choosen_redemption = $choosen_redemption->get(['id', 'country_of_residence','mobile_number','first_name','code']);
            if (count($choosen_redemption)) {
                $choosen_redemption = $choosen_redemption->random(1)->toArray()[0];
                $choosen_redemption['first_name'] = urldecode(stripcslashes(stripslashes($choosen_redemption['first_name'])));
                return json_encode($choosen_redemption);
            }
        }
    }