/**
     *
     * This method will get the current users access grade from the database
     *
     * @param grade the users grade number
     * @return String - the grade name
     */
    private String getGradeName(Integer grade) {
        final String[] return_value = new String[1];
        managerAdminApi.getGradeName(grade, new Callback<List<ObjectGrade>>() {
            @Override
            public void onResponse(@NonNull Call<List<ObjectGrade>> call, @NonNull Response<List<ObjectGrade>> response) {

                List<ObjectGrade> JsonList = response.body();
                for (int i = 0; i < Objects.requireNonNull(JsonList).size(); i++) {
                    ObjectGrade objectGrade = new ObjectGrade(
                            JsonList.get(i).getId(),
                            JsonList.get(i).getGrade()
                    );
                    return_value[0] =  objectGrade.getGrade();
                }

            }
            @Override
            public void onFailure(@NonNull Call<List<ObjectGrade>> call, @NonNull Throwable t) {
                return_value[0] =  "Access grade not valid";
            }
        });
        return return_value[0];
    }