deleteMessageFromLocalStorage method

Implementation

Future<V2TimCallback> deleteMessageFromLocalStorage({
  required String msgID,
}) async {
  if (!TIMManager.instance.isInitSDK()) {
    return V2TimCallback(code: TIMErrCode.ERR_SDK_NOT_INITIALIZED.value, desc: "sdk not init");
  }

  V2TimValueCallback<List<V2TimMessage>> findResult = await findMessages(messageIDList: [msgID]);
  if (findResult.code != TIMErrCode.ERR_SUCC.value) {
    print("deleteMessageFromLocalStorage, find message failed");
    return V2TimCallback(code: findResult.code, desc: findResult.desc);
  }

  List<V2TimMessage> msgList = findResult.data!;
  if (msgList.isEmpty) {
    print("deleteMessageFromLocalStorage, message not found");
    return V2TimCallback(code: TIMErrCode.ERR_INVALID_PARAMETERS.value, desc: "message not found");
  }

  V2TimMessage message = msgList[0];
  if ((message.userID == null || message.userID!.isEmpty) && (message.groupID == null || message.groupID!.isEmpty) ) {
    return V2TimCallback(code: TIMErrCode.ERR_INVALID_PARAMETERS.value, desc: 'invalid message');
  }

  String convID = "";
  TIMConvType timConvType = TIMConvType.kTIMConv_Group;
  if (message.groupID != null && message.groupID!.isNotEmpty) {
    convID = message.groupID!;
  } else {
    convID = message.userID!;
    timConvType = TIMConvType.kTIMConv_C2C;
  }

  String userData = Tools.generateUserData('deleteMessageFromLocalStorage');
  Completer<V2TimCallback> completer = Completer();

  void handleApiCallback(Map jsonResult) {
    V2TimCallback result = V2TimCallback.fromJson(jsonResult);
    completer.complete(result);
  }
  NativeLibraryManager.timApiValueCallback2Future(userData, handleApiCallback);

  Map<String, dynamic> jsonParam = {};
  jsonParam['msg_delete_param_msg'] = message.toJson();
  jsonParam['msg_delete_param_is_ramble'] = false;
  Pointer<Char> pConvID = Tools.string2PointerChar(convID);
  Pointer<Char> pJsonParam = Tools.string2PointerChar(json.encode(jsonParam));
  Pointer<Void> pUserData = Tools.string2PointerVoid(userData);

  NativeLibraryManager.bindings.DartDeleteMessageFromLocalStorage(pConvID, timConvType, pJsonParam, pUserData);

  return completer.future;
}