Proyectos de Subversion Moodle

<?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/>.

/**

 * Payment subsystem callback implementation for enrol_fee.

 *

 * @package    enrol_fee

 * @category   payment

 * @copyright  2020 Shamim Rezaie <shamim@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace enrol_fee\payment;

/**

 * Payment subsystem callback implementation for enrol_fee.

 *

 * @copyright  2020 Shamim Rezaie <shamim@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class service_provider implements \core_payment\local\callback\service_provider {

    /**

     * Callback function that returns the enrolment cost and the accountid

     * for the course that $instanceid enrolment instance belongs to.

     *

     * @param string $paymentarea Payment area

     * @param int $instanceid The enrolment instance id

     * @return \core_payment\local\entities\payable

     */

    public static function get_payable(string $paymentarea, int $instanceid): \core_payment\local\entities\payable {

        global $DB;

        $instance = $DB->get_record('enrol', ['enrol' => 'fee', 'id' => $instanceid], '*', MUST_EXIST);

        return new \core_payment\local\entities\payable($instance->cost, $instance->currency, $instance->customint1);

    }

    /**

     * Callback function that returns the URL of the page the user should be redirected to in the case of a successful payment.

     *

     * @param string $paymentarea Payment area

     * @param int $instanceid The enrolment instance id

     * @return \moodle_url

     */

    public static function get_success_url(string $paymentarea, int $instanceid): \moodle_url {

        global $DB;

        $courseid = $DB->get_field('enrol', 'courseid', ['enrol' => 'fee', 'id' => $instanceid], MUST_EXIST);

        return new \moodle_url('/course/view.php', ['id' => $courseid]);

    }

    /**

     * Callback function that delivers what the user paid for to them.

     *

     * @param string $paymentarea

     * @param int $instanceid The enrolment instance id

     * @param int $paymentid payment id as inserted into the 'payments' table, if needed for reference

     * @param int $userid The userid the order is going to deliver to

     * @return bool Whether successful or not

     */

    public static function deliver_order(string $paymentarea, int $instanceid, int $paymentid, int $userid): bool {

        global $DB;

        $instance = $DB->get_record('enrol', ['enrol' => 'fee', 'id' => $instanceid], '*', MUST_EXIST);

        $plugin = enrol_get_plugin('fee');

        if ($instance->enrolperiod) {

            $timestart = time();

            $timeend   = $timestart + $instance->enrolperiod;

        } else {

            $timestart = 0;

            $timeend   = 0;

        }

        $plugin->enrol_user($instance, $userid, $instance->roleid, $timestart, $timeend);

        return true;

    }

}