printData method

Implementation

@override
Future<List<Map>> printData({required IfoodPagoPrintPayload payload}) async {
  try {
    final prefs = await SharedPreferences.getInstance();
    String accessToken = prefs.getString(IfoodPagoKeysStorage.TOKEN) ?? '';
    String createAt = prefs.getString(IfoodPagoKeysStorage.TOKEN_CREATED_AT) ?? '';

    DateTime? createAtDate = DateTime.tryParse(createAt);
    DateTime now = DateTime.now();
    Duration? difference;

    if (createAtDate != null) {
      difference = now.difference(createAtDate);
    }

    if (difference != null && difference.inHours > 23) {
      await prefs.remove(IfoodPagoKeysStorage.TOKEN);
      await prefs.remove(IfoodPagoKeysStorage.TOKEN_CREATED_AT);

      accessToken = '';
      createAt = '';
    }

    if (accessToken.isEmpty && createAt.isEmpty) {
      final response = await methodChannel.invokeMethod<Map>('requestPrintToken', {'integrationApp': payload.integrationApp});

      if (response is! Map) {
        throw IfoodPagoPrintException(message: 'invalid response');
      }

      if (response['code'] != IfoodPagoStatusDeeplink.SUCCESS.name) {
        throw IfoodPagoPrintException(message: response['message']);
      }

      if (response['data'] is! Map) {
        throw IfoodPagoPrintException(message: 'invalid response data');
      }

      final authResponse = IfoodPagoAuthResponse.fromJson(Map<String, dynamic>.from(response['data']));

      accessToken = authResponse.hash;
      createAt = authResponse.createAt;

      prefs.setString(IfoodPagoKeysStorage.TOKEN, accessToken);
      prefs.setString(IfoodPagoKeysStorage.TOKEN_CREATED_AT, createAt);
    }

    final listaImageBase64 = await methodChannel.invokeMethod<Map>('generateImageBase64', {
      'printable_content': payload.toJson()['printable_content'],
      'groupAll': payload.groupAll,
    });

    if (listaImageBase64 is! Map) {
      throw IfoodPagoPrintException(message: 'invalid listaImageBase64');
    }

    if (listaImageBase64['code'] != IfoodPagoStatusDeeplink.SUCCESS.name) {
      throw IfoodPagoPrintException(message: listaImageBase64['message']);
    }

    if (listaImageBase64['data'] is! List) {
      throw IfoodPagoPrintException(message: 'invalid response data');
    }

    List<Map> imageBase64List = [];

    for (var imageBase64 in listaImageBase64['data']) {
      log(imageBase64.toString());

      final response = await http.post(
        Uri.parse("https://movilepay-api.ifood.com.br/ifoodpay/mobile/api/v1/print/file"),
        headers: {'Content-Type': 'application/json'},
        body: jsonEncode({"authorizationHash": accessToken, "contentBase64": imageBase64['imageBase64']}),
      );

      if (response.statusCode == 200) {
        imageBase64List.add({'imageBase64': imageBase64['imageBase64']});
      } else {
        imageBase64List.add({'messageError': 'Failed to print: ${response.reasonPhrase}', 'imageBase64': imageBase64['imageBase64']});
      }
    }

    return imageBase64List;
  } on IfoodPagoPrintException catch (e) {
    throw IfoodPagoPrintException(message: e.message);
  } on PlatformException catch (e) {
    throw IfoodPagoPrintException(message: e.message ?? 'PlatformException');
  } catch (e) {
    throw IfoodPagoPrintException(message: "Print Error: $e");
  }
}