public function save(Request $request)
 {
     $options = ContractSearchCriteria::where('user_id', Auth::user()->id)->first();
     $criterias = $options ? json_decode($options->criterias, true) : [];
     $criterias['regions'] = $request->regions;
     $criterias['match'] = $request->match;
     $criterias['exclude'] = $request->exclude;
     $criterias['match_org'] = $request->match_org;
     $criterias['exclude_org'] = $request->exclude_org;
     if (!$options) {
         $options = new ContractSearchCriteria();
         $options->user_id = Auth::user()->id;
     }
     $options->criterias = json_encode($criterias);
     $options->save();
     flash()->success('Изменения сохранены');
     return redirect()->route('admin.contracts.setup');
 }