/**
  * Import Contracts
  *
  * @param ImportRequest $request
  * @return \Illuminate\View\View
  */
 public function importPost(ImportRequest $request)
 {
     if ($key = $this->contractImport->import($request)) {
         return redirect()->route('contract.import.confirm', $key);
     }
     return redirect()->route('contract.import')->withError(trans('contract.import.fail'));
 }