haivaMessage method

Future<ResponseMessage> haivaMessage(String question, String agentId, { bool? isMarkdown, bool? isButtonClicked, String payloadType = 'form', Map<String, dynamic>? formData, String? sessionId, String? language, })

Implementation

Future<ResponseMessage> haivaMessage(
    String question,
    String agentId, {
      bool? isMarkdown,
      bool? isButtonClicked,
      String payloadType = 'form',
      Map<String, dynamic>? formData,
      String? sessionId,
      String? language,
    }) async {


  Map<String, dynamic> userPayload;
  if (payloadType == 'text') {
    userPayload = {
      "type": payloadType,
      "data": {
        "message": question,
        "isButtonClicked": isButtonClicked,
      }
    };
  } else if (payloadType == 'form') {

    userPayload = {
      "type": payloadType,
      "data": {"formAttributes":formData ?? {}}, // Ensure formData is not null
    };
  } else {
    throw Exception('Invalid payload type');
  }

  // print('Payload to be sent: $userPayload'); // Print the final payload

  final response = await http.post(
    Uri.parse(_haivaUrl),
    headers: {'Content-Type': 'application/json'},
    body: jsonEncode({
      "userPayload": userPayload,
      'agentId': agentId,
      'sessionId': sessionId ?? _sessionId,
      'languageCode': (language?.isNotEmpty ?? false) ? language : 'en-US',
    }),
  );

  // print('Response status code: ${response.statusCode}');
  // print('Response body: ${response.body}');

  if (response.statusCode == 200) {
    final responseJson = jsonDecode(response.body) as Map<String, dynamic>;
    final newSessionId = responseJson['sessionId'] as String?;
    final metaData = responseJson['metaData'] as Map<String, dynamic>?;

    if (newSessionId != null) {
      _sessionId = newSessionId;
    }

    List<dynamic>? payload;
    String? textMessage;
    if (metaData != null && metaData.containsKey('payload')) {
      payload = metaData['payload'] as List<dynamic>;
      final textItem = payload.firstWhere(
            (item) => item['type'] == 'text',
        orElse: () => null,
      );
      if (textItem != null) {
        textMessage = textItem['data']['message'] as String?;
      }
    }

    return ResponseMessage(
      MessageType.bot,
      DateTime.now(),
      text: textMessage,
      sessionId: _sessionId,
      wholeResponsePayload: responseJson,
      haivaMessage: metaData,
      payload: payload,
      statusCode: response.statusCode,
    );
  } else {
    // print('Error: ${response.statusCode} - ${response.body}');
    return ResponseMessage(
      MessageType.bot,
      DateTime.now(),
      text: 'Sorry, an error occurred. Please try again later.',
    );
  }
}