Untitled

Future voucherMember() async {
    // Future.delayed(Duration(seconds: 1));
    // Duration(seconds: 2);
    SharedPreferences sharedPreferences = await SharedPreferences.getInstance();
    email = sharedPreferences.getString('email').toString();
    print('1.dart, method voucher member == $email'); // ini muncul emailnya..
    try {
      var response = await Dio().post('https://impostor.brainwarehub.com/api/vouchermember', data: {
        'emailuser': email, //email dari shared preference
        // cara dapetkan idmerchant???, sementara di hardcode
        //gak usah pakek id merchant juga gpp... yg penting ada 1 parameter
        // 'idmerchant': 2,
      });
      if (response.statusCode == 200) {
        //=================================================================
        //percobaan ke-1, dari chatgpt ==> Extract JSON Data
        //update ==, percobaan ke-1, TAPI adaa looping FOR, jadi versi 1.1
        //response.data['data'][0,1,2,3];
        dataArray = response.data['data'];
        for (var data in dataArray) {
          print('Merchant Name: ${data['merchant_name']}');
          // dataArray.add(data['merchant_name']);
          // print('====');          
          final vouchers = data['vouchers'];
          for (var voucher in vouchers) {
            print('Voucher Label: ${voucher['label']}');
            print('Voucher Code: ${voucher['kode_voucher']}');
            print('Voucher Status: ${voucher['status']}');
            print('Voucher Discount Type: ${voucher['disctype']}');
            print('Voucher Validity: ${voucher['date_start']} to ${voucher['date_end']}');
          }
        }
      }
    } on DioException catch (exception) {
      print(exception);
    }
    // return "kosong";
  }