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/>.

/**

 * @package    mod_scorm

 * @subpackage backup-moodle2

 * @copyright  2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

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

 */

/**

 * Define all the restore steps that will be used by the restore_scorm_activity_task

 */

/**

 * Structure step to restore one scorm activity

 */

class restore_scorm_activity_structure_step extends restore_activity_structure_step {

    protected function define_structure() {

        $paths = array();

        $userinfo = $this->get_setting_value('userinfo');

        $paths[] = new restore_path_element('scorm', '/activity/scorm');

        $paths[] = new restore_path_element('scorm_sco', '/activity/scorm/scoes/sco');

        $paths[] = new restore_path_element('scorm_sco_data', '/activity/scorm/scoes/sco/sco_datas/sco_data');

        $paths[] = new restore_path_element('scorm_seq_objective', '/activity/scorm/scoes/sco/seq_objectives/seq_objective');

        $paths[] = new restore_path_element('scorm_seq_rolluprule', '/activity/scorm/scoes/sco/seq_rolluprules/seq_rolluprule');

        $paths[] = new restore_path_element('scorm_seq_rolluprulecond', '/activity/scorm/scoes/sco/seq_rollupruleconds/seq_rolluprulecond');

        $paths[] = new restore_path_element('scorm_seq_rulecond', '/activity/scorm/scoes/sco/seq_ruleconds/seq_rulecond');

        $paths[] = new restore_path_element('scorm_seq_rulecond_data', '/activity/scorm/scoes/sco/seq_rulecond_datas/seq_rulecond_data');

        $paths[] = new restore_path_element('scorm_seq_mapinfo', '/activity/scorm/scoes/sco/seq_objectives/seq_objective/seq_mapinfos/seq_mapinfo');

        if ($userinfo) {

            $paths[] = new restore_path_element('scorm_sco_track', '/activity/scorm/scoes/sco/sco_tracks/sco_track');

        }

        // Return the paths wrapped into standard activity structure

        return $this->prepare_activity_structure($paths);

    }

    protected function process_scorm($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->course = $this->get_courseid();

        // Any changes to the list of dates that needs to be rolled should be same during course restore and course reset.

        // See MDL-9367.

        $data->timeopen = $this->apply_date_offset($data->timeopen);

        $data->timeclose = $this->apply_date_offset($data->timeclose);

        if (!isset($data->completionstatusallscos)) {

            $data->completionstatusallscos = false;

        }

        // insert the scorm record

        $newitemid = $DB->insert_record('scorm', $data);

        // immediately after inserting "activity" record, call this

        $this->apply_activity_instance($newitemid);

    }

    protected function process_scorm_sco($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scorm = $this->get_new_parentid('scorm');

        $newitemid = $DB->insert_record('scorm_scoes', $data);

        $this->set_mapping('scorm_sco', $oldid, $newitemid);

    }

    protected function process_scorm_sco_data($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $newitemid = $DB->insert_record('scorm_scoes_data', $data);

        // No need to save this mapping as far as nothing depend on it

        // (child paths, file areas nor links decoder)

    }

    protected function process_scorm_seq_objective($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $newitemid = $DB->insert_record('scorm_seq_objective', $data);

        $this->set_mapping('scorm_seq_objective', $oldid, $newitemid);

    }

    protected function process_scorm_seq_rolluprule($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $newitemid = $DB->insert_record('scorm_seq_rolluprule', $data);

        $this->set_mapping('scorm_seq_rolluprule', $oldid, $newitemid);

    }

    protected function process_scorm_seq_rolluprulecond($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $data->ruleconditions = $this->get_new_parentid('scorm_seq_rolluprule');

        $newitemid = $DB->insert_record('scorm_seq_rolluprulecond', $data);

        // No need to save this mapping as far as nothing depend on it

        // (child paths, file areas nor links decoder)

    }

    protected function process_scorm_seq_rulecond($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $newitemid = $DB->insert_record('scorm_seq_ruleconds', $data);

        $this->set_mapping('scorm_seq_ruleconds', $oldid, $newitemid);

    }

    protected function process_scorm_seq_rulecond_data($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $data->ruleconditions = $this->get_new_parentid('scorm_seq_ruleconds');

        $newitemid = $DB->insert_record('scorm_seq_rulecond', $data);

        // No need to save this mapping as far as nothing depend on it

        // (child paths, file areas nor links decoder)

    }

    protected function process_scorm_seq_mapinfo($data) {

        global $DB;

        $data = (object)$data;

        $oldid = $data->id;

        $data->scoid = $this->get_new_parentid('scorm_sco');

        $data->objectiveid = $this->get_new_parentid('scorm_seq_objective');

        $newitemid = $DB->insert_record('scorm_scoes_data', $data);

        // No need to save this mapping as far as nothing depend on it

        // (child paths, file areas nor links decoder)

    }

    protected function process_scorm_sco_track($data) {

        global $DB, $CFG;

        require_once($CFG->dirroot.'/mod/scorm/locallib.php');

        $data = (object)$data;

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

                                           $this->get_new_parentid('scorm'),

                                           $data->attempt);

        $data->scoid = $this->get_new_parentid('scorm_sco');

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

        $data->attemptid = $attemptobject->id;

        $data->elementid = scorm_get_elementid($data->element);

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

        // No need to save this mapping as far as nothing depend on it.

    }

    protected function after_execute() {

        global $DB;

        // Add scorm related files, no need to match by itemname (just internally handled context)

        $this->add_related_files('mod_scorm', 'intro', null);

        $this->add_related_files('mod_scorm', 'content', null);

        $this->add_related_files('mod_scorm', 'package', null);

        // Fix launch param in scorm table to use new sco id.

        $scormid = $this->get_new_parentid('scorm');

        $scorm = $DB->get_record('scorm', array('id' => $scormid));

        $scorm->launch = $this->get_mappingid('scorm_sco', $scorm->launch, '');

        if (!empty($scorm->launch)) {

            // Check that this sco has a valid launch value.

            $scolaunch = $DB->get_field('scorm_scoes', 'launch', array('id' => $scorm->launch));

            if (empty($scolaunch)) {

                // This is not a valid sco - set to empty so we can find a valid launch sco.

                $scorm->launch = '';

            }

        }

        if (empty($scorm->launch)) {

            // This scorm has an invalid launch param - we need to calculate it and get the first launchable sco.

            $sqlselect = 'scorm = ? AND '.$DB->sql_isnotempty('scorm_scoes', 'launch', false, true);

            // We use get_records here as we need to pass a limit in the query that works cross db.

            $scoes = $DB->get_records_select('scorm_scoes', $sqlselect, array($scormid), 'sortorder', 'id', 0, 1);

            if (!empty($scoes)) {

                $sco = reset($scoes); // We only care about the first record - the above query only returns one.

                $scorm->launch = $sco->id;

            }

        }

        if (!empty($scorm->launch)) {

            $DB->update_record('scorm', $scorm);

        }

    }

}