private boolean checkCanPost(Connection con) throws Exception {
        PreparedStatement st = con.prepareStatement(checkCanCreatePostSQL);
        st.setInt(1, Integer.parseInt(list));
        ResultSet rs = st.executeQuery();

        if (rs.next()) {
        listExists = true;
            canCreatePost = rs.getInt(1) == (Integer) session.get("userId") || isAdmin();
            listName = rs.getString(2);
        }

    if(canCreatePost) return true;

        PreparedStatement st2 = con.prepareStatement(checkUserIsEditorSQL);
        ResultSet rs2 = st2.executeQuery();
    canCreatePost = rs2.next();
        return canCreatePost;
    }