getMessageExtensions method

Future<V2TimValueCallback<List<V2TimMessageExtension>>> getMessageExtensions({ V2TimMessage? message, String? msgID, })

Implementation

Future<V2TimValueCallback<List<V2TimMessageExtension>>> getMessageExtensions({
  V2TimMessage? message,
  String? msgID,
}) async {
  if (!TIMManager.instance.isInitSDK()) {
    return V2TimValueCallback<List<V2TimMessageExtension>>(code: TIMErrCode.ERR_SDK_NOT_INITIALIZED.value, desc: "sdk not init");
  }

  if (message == null) {
    if (msgID == null) {
      return V2TimValueCallback<List<V2TimMessageExtension>>(code: TIMErrCode.ERR_INVALID_PARAMETERS.value, desc: "message and msgID are both empty");
    } else {
      V2TimValueCallback<List<V2TimMessage>> findResult = await findMessages(messageIDList: [msgID]);
      if (findResult.code != TIMErrCode.ERR_SUCC.value) {
        print("getMessageExtensions, find message failed");
        return V2TimValueCallback<List<V2TimMessageExtension>>(code: findResult.code, desc: findResult.desc);
      }

      List<V2TimMessage> msgList = findResult.data!;
      if (msgList.isEmpty) {
        print("getMessageExtensions, message not found");
        return V2TimValueCallback<List<V2TimMessageExtension>>(code: TIMErrCode.ERR_INVALID_PARAMETERS.value, desc: "message not found");
      }

      message = msgList[0];
    }
  }

  String userData = Tools.generateUserData('getMessageExtensions');
  Completer<V2TimValueCallback<List<V2TimMessageExtension>>> completer = Completer();
  NativeLibraryManager.timValueCallback2Future<List<V2TimMessageExtension>>(userData, completer);

  Pointer<Char> pMessage = Tools.string2PointerChar(json.encode(message.toJson()));
  Pointer<Void> pUserData = Tools.string2PointerVoid(userData);

  NativeLibraryManager.bindings.DartGetMessageExtensions(pMessage, pUserData);

  return completer.future;
}