<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * CAS authentication plugin upgrade code
 *
 * @package    auth_cas
 * @copyright  2013 Iñaki Arenaza
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

/**
 * @param int $oldversion the version we are upgrading from
 * @return bool result
 */
function xmldb_auth_cas_upgrade($oldversion) {

    // Moodle v2.5.0 release upgrade line
    // Put any upgrade step following this

    // MDL-39323 New setting in 2.5, make sure it's defined.
    if ($oldversion < 2013052100) {
        if (get_config('start_tls', 'auth/cas') === false) {
            set_config('start_tls', 0, 'auth/cas');
        }
        upgrade_plugin_savepoint(true, 2013052100, 'auth', 'cas');
    }

    if ($oldversion < 2013091700) {
        // The value of the phpCAS language constants has changed from
        // 'langname' to 'CAS_Languages_Langname'.
        if ($cas_language = get_config('auth/cas', 'language')) {
            set_config('language', 'CAS_Languages_'.ucfirst($cas_language), 'auth/cas');
        }

        upgrade_plugin_savepoint(true, 2013091700, 'auth', 'cas');
    }

    // Moodle v2.6.0 release upgrade line.
    // Put any upgrade step following this.

    return true;
}
