Doogle Grive upload

upload.dart

  void uploadFile() async {
    File file = await FilePicker.getFile();
    AuthUser user = await Amplify.Auth.getCurrentUser();

    try {
      if (file.existsSync()) {
        setState(() {
          uploading = true;
        });

        final key = user.username + '/' + file.path.split('/').last;

        await Amplify.Storage.uploadFile(key: key, local: file);
        
        // log an upload event, tracking the amount of bytes uploaded
        AnalyticsEvent event = AnalyticsEvent("file_upload_event");

        event.properties.addStringProperty("user", user.username);
        event.properties.addIntProperty("file_size", file.lengthSync());

        Amplify.Analytics.recordEvent(event: event);
        Amplify.Analytics.flushEvents();

        setState(() {
          uploading = false;
        });
      }
    } catch (e) {
      Alert(
          context: context,
          type: AlertType.error,
          desc: "Error Uploading File: " + e.toString());
    }
  }