function saveToList($id, $contact, $linkedin_contact_id)
 {
     $item_id = null;
     if (Auth::check()) {
         $user = User::find(Auth::user()->id);
         if ($user->credits > 0) {
             $user->credits = $user->credits - 1;
             $user->save();
         } else {
             $subscription = Auth::user()->subscription()->first();
             $transactions = Auth::user()->subscription()->first()->transaction()->get();
             $plan_id = $subscription->plan_id;
             $plan = Plan::find($plan_id);
             foreach ($transactions as $transaction) {
                 if ($transaction->transaction_type == "charge" && $transaction->paid == 1 && $transaction->refunded == 0) {
                     if ($transaction->credits > 0) {
                         $transaction->credits = $transaction->credits - 1;
                         $transaction->save();
                         break;
                     }
                 }
             }
         }
         $list = Lists::where('user_id', '=', $id)->first();
         if (is_numeric($list->id)) {
             DB::table('list_item')->insert(array('lists_id' => $list->id, 'linkedin_contact_id' => $linkedin_contact_id, 'linkedin' => $contact));
             $lists = DB::table('list_item')->where('lists_id', '=', $list->id)->get();
             $item_id = $lists[count($lists) - 1]->id;
             DashboardController::cacheList($id, 0);
         }
     }
     return $item_id;
 }