Controller Method

    public function import(Request $request)
    {
        $excel_file = $request->file('excel_file');
        $validator = Validator::make($request->all(), [
            'excel_file' => 'required'
        ]);


        if($validator->fails()) {
            return Redirect::to('/')->withErrors($validator);
        }

        $fname = md5(rand()) . '.csv';
        $full_path = 'files';
        $excel_file->move($full_path, $fname);
        $flag_table = Flag::firstOrNew(['file_name' => $fname]);
        $flag_table->imported = 0;
        $flag_table->save();


        Artisan::queue('import:excelfile');

        return 'File importing is on the way';


    }