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,

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// 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/>.

/**

 * Defines the restore_enrol_lti_plugin class.

 *

 * @package   enrol_lti

 * @copyright 2016 Mark Nelson <markn@moodle.com>

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

 */

defined('MOODLE_INTERNAL') || die();

/**

 * Define all the restore steps.

 *

 * @package   enrol_lti

 * @copyright 2016 Mark Nelson <markn@moodle.com>

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

 */

class restore_enrol_lti_plugin extends restore_enrol_plugin {

    /**

     * @var array $tools Stores the IDs of the newly created tools.

     */

    protected $tools = array();

    /**

     * Declares the enrol LTI XML paths attached to the enrol element

     *

     * @return array of {@link restore_path_element}

     */

    protected function define_enrol_plugin_structure() {

        $paths = array();

        $paths[] = new restore_path_element('enrol_lti_tool', $this->connectionpoint->get_path() . '/tool');

        $paths[] = new restore_path_element('enrol_lti_users', $this->connectionpoint->get_path() . '/tool/users/user');

        return $paths;

    }

    /**

     * Processes LTI tools element data

     *

     * @param array|stdClass $data

     */

    public function process_enrol_lti_tool($data) {

        global $DB;

        $data = (object) $data;

        // Store the old id.

        $oldid = $data->id;

        // Change the values before we insert it.

        $data->timecreated = time();

        $data->timemodified = $data->timecreated;

        // Set the correct legacy ltiversion when restoring old tools.

        if (empty($data->ltiversion)) {

            $data->ltiversion = 'LTI-1p0/LTI-2p0';

        }

        // Generate a new uuid for LTI Advantage restores.

        if ($data->ltiversion == 'LTI-1p3') {

            $data->uuid = \core\uuid::generate();

        }

        // Now we can insert the new record.

        $data->id = $DB->insert_record('enrol_lti_tools', $data);

        // Add the array of tools we need to process later.

        $this->tools[$data->id] = $data;

        // Set up the mapping.

        $this->set_mapping('enrol_lti_tool', $oldid, $data->id);

    }

    /**

     * Processes LTI users element data

     *

     * @param array|stdClass $data The data to insert as a comment

     */

    public function process_enrol_lti_users($data) {

        global $DB;

        $data = (object) $data;

        $data->userid = $this->get_mappingid('user', $data->userid);

        $data->toolid = $this->get_mappingid('enrol_lti_tool', $data->toolid);

        $data->timecreated = time();

        $DB->insert_record('enrol_lti_users', $data);

    }

    /**

     * This function is executed after all the tasks in the plan have been finished.

     * This must be done here because the activities have not been restored yet.

     */

    public function after_restore_enrol() {

        global $DB;

        // Need to go through and change the values.

        foreach ($this->tools as $tool) {

            $updatetool = new stdClass();

            $updatetool->id = $tool->id;

            $updatetool->enrolid = $this->get_mappingid('enrol', $tool->enrolid);

            $updatetool->contextid = $this->get_mappingid('context', $tool->contextid);

            $DB->update_record('enrol_lti_tools', $updatetool);

        }

    }

}