getMessageExtensions static method

Future<V2TimValueCallback<List<V2TimMessageExtension>>> getMessageExtensions({ required String msgID, })

Implementation

static Future<V2TimValueCallback<List<V2TimMessageExtension>>> getMessageExtensions({
  required String msgID,
}) async {
  Map<String, dynamic> message = Map.from({});
  String userDatafind = Tools.generateUserData(methodName: "findMessage");
  Pointer<Uint8> user_data_find = Tools.string2PointerInt8(userDatafind);
  Pointer<Uint8> json_message_id_array = Tools.string2PointerInt8(json.encode(List<String>.from([msgID])));
  int res = desktopSDK.D_TIMMsgFindMessages(json_message_id_array, user_data_find);
  if (res == TIMResult.TIM_SUCC) {
    Map<String, dynamic> data = await getAsyncData(apiKey: userDatafind);
    if (data["code"] == 0) {
      List<Map<String, dynamic>> messageList = List<Map<String, dynamic>>.from(json.decode(data["json_param"].isEmpty ? json.encode([]) : data["json_param"]));
      if (messageList.isNotEmpty) {
        message = messageList.first;
      }
    } else {
      return V2TimValueCallback<List<V2TimMessageExtension>>.fromJson({
        "code": data["code"],
        "desc": data["desc"],
        "data": null,
      });
    }
  } else {
    return V2TimValueCallback<List<V2TimMessageExtension>>.fromJson({
      "code": -1,
      "desc": "message not found",
      "data": null,
    });
  }
  String userData = Tools.generateUserData();
  Pointer<Uint8> user_data_ptr = Tools.string2PointerInt8(userData);

  int res1 = desktopSDK.D_TIMMsgGetMessageExtensions(Tools.string2PointerInt8(json.encode(message)), user_data_ptr);
  if (res1 != TIMResult.TIM_SUCC) {
    return V2TimValueCallback<List<V2TimMessageExtension>>.fromJson({
      "code": res1,
      "desc": "",
    });
  } else {
    Map<String, dynamic> data = await getAsyncData(apiKey: userData);

    List<Map<String, dynamic>> dataList = List<Map<String, dynamic>>.from(
      json.decode(data["json_param"].isEmpty ? json.encode([]) : data["json_param"]),
    );
    List<Map<String, dynamic>> list = List<Map<String, dynamic>>.empty(growable: true);
    for (var element in dataList) {
      list.add({"extensionKey": element["message_extension_key"], "extensionValue": element["message_extension_value"]});
    }
    return V2TimValueCallback<List<V2TimMessageExtension>>.fromJson({
      "code": data["code"],
      "desc": data["desc"],
      "data": list,
    });
  }
}