public function details($id)
 {
     $store_audit = StoreAudit::findOrFail($id);
     $details = StoreAuditDetail::getDetails($store_audit->id);
     foreach ($details as $key => $value) {
         $img = explode(".", $value->answer);
         if (isset($img[1]) && strtolower($img[1]) == "jpg") {
             $link = url('auditimage/' . $id . '/' . $value->answer);
             $value->answer = $link;
         }
     }
     \Excel::create($store_audit->store_name . ' - ' . $store_audit->template_name, function ($excel) use($details) {
         $excel->sheet('Sheet1', function ($sheet) use($details) {
             $sheet->fromModel($details, null, 'A1', true);
         })->download('xls');
     });
 }