fetchPartnerHierarchy function

Future<List<PartnerHierarchyModel>> fetchPartnerHierarchy(String userId, String? hierarchyType, String? uptoPartner, int? forLevel, int? limit, int? skip, String? orderByRank, String? orderByCount, String? relativeTo, bool? includeBalances, Config config,)

Implementation

Future<List<PartnerHierarchyModel>> fetchPartnerHierarchy(
    String userId,
    String? hierarchyType,
    String? uptoPartner,
    int? forLevel,
    int? limit,
    int? skip,
    String? orderByRank,
    String? orderByCount,
    String? relativeTo,
    bool? includeBalances,
    Config config) async {
  String path =
      '${constants.API_HOST}/tenant/${config.applicationId}/partners-hierarchy/$userId';

  Map<String, dynamic> data = {
    "hierarchyType": hierarchyType ?? "CHILDREN",
  };
  if (uptoPartner != null) {
    data["uptoPartner"] = uptoPartner;
  }
  if (forLevel != null) {
    data["forLevel"] = forLevel;
  }
  if (limit != null) {
    data["limit"] = limit;
  }
  if (skip != null) {
    data["skip"] = skip;
  }
  if (orderByRank != null) {
    data["orderByRank"] = orderByRank;
  }
  if (orderByCount != null) {
    data["orderByCount"] = orderByCount;
  }
  if (relativeTo != null) {
    data["relativeTo"] = relativeTo;
  }
  if (includeBalances != null) {
    data["includeBalances"] = includeBalances;
  }

  final response = await http.post(Uri.parse(path),
      body: jsonEncode(<String, dynamic>{
        "application_id": config.applicationId,
        "client_secret": config.clientSecret,
        "client_id": config.clientId,
        "version": config.version,
        "data": data,
      }),
      headers: <String, String>{
        'Content-Type': 'application/json; charset=UTF-8',
      });

  if (response.statusCode == 200) {
    // If the server did return a 200 OK response,
    // then parse the JSON.
    var rb = response.body;
    List<PartnerHierarchyModel> items = [];
    if (rb.isNotEmpty) {
      // store json data into list
      var list = jsonDecode(rb);

      // iterate over the list and map each object in list to Img by calling Img.fromJson
      items = list == null
          ? items
          : list
              .map<PartnerHierarchyModel>(
                  (i) => PartnerHierarchyModel.fromJson(i))
              .toList();

      return items;
    } else {
      return items;
    }
  } else {
    // If the server did not return a 200 OK response,
    // then throw an exception.
    throw Exception('Failed to fetch partner hierarchy');
  }
}