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<?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 backup steps that will be used by the backup_scorm_activity_task
 */

/**
 * Define the complete scorm structure for backup, with file and id annotations
 */
class backup_scorm_activity_structure_step extends backup_activity_structure_step {

protected function define_structure() {

// To know if we are including userinfo
        $userinfo = $this->get_setting_value('userinfo');

// Define each element separated
        $scorm = new backup_nested_element('scorm', array('id'), array(
            'name', 'scormtype', 'reference', 'intro',
            'introformat', 'version', 'maxgrade', 'grademethod',
            'whatgrade', 'maxattempt', 'forcecompleted', 'forcenewattempt',
            'lastattemptlock', 'masteryoverride', 'displayattemptstatus', 'displaycoursestructure', 'updatefreq',
            'sha1hash', 'md5hash', 'revision', 'launch',
            'skipview', 'hidebrowse', 'hidetoc', 'nav', 'navpositionleft', 'navpositiontop',
            'auto', 'popup', 'options', 'width',
            'height', 'timeopen', 'timeclose', 'timemodified',
            'completionstatusrequired', 'completionscorerequired',
            'completionstatusallscos', 'displayactivityname',
            'autocommit'));

$scoes = new backup_nested_element('scoes');

$sco = new backup_nested_element('sco', array('id'), array(
            'manifest', 'organization', 'parent', 'identifier',
            'launch', 'scormtype', 'title', 'sortorder'));

$scodatas = new backup_nested_element('sco_datas');

$scodata = new backup_nested_element('sco_data', array('id'), array(
            'name', 'value'));

$seqruleconds = new backup_nested_element('seq_ruleconds');

$seqrulecond = new backup_nested_element('seq_rulecond', array('id'), array(
            'conditioncombination', 'ruletype', 'action'));

$seqrulecondsdatas = new backup_nested_element('seq_rulecond_datas');

$seqrulecondsdata = new backup_nested_element('seq_rulecond_data', array('id'), array(
            'refrencedobjective', 'measurethreshold', 'operator', 'cond'));

$seqrolluprules = new backup_nested_element('seq_rolluprules');

$seqrolluprule = new backup_nested_element('seq_rolluprule', array('id'), array(
            'childactivityset', 'minimumcount', 'minimumpercent', 'conditioncombination',
            'action'));

$seqrollupruleconds = new backup_nested_element('seq_rollupruleconds');

$seqrolluprulecond = new backup_nested_element('seq_rolluprulecond', array('id'), array(
            'cond', 'operator'));

$seqobjectives = new backup_nested_element('seq_objectives');

$seqobjective = new backup_nested_element('seq_objective', array('id'), array(
            'primaryobj', 'objectiveid', 'satisfiedbymeasure', 'minnormalizedmeasure'));

$seqmapinfos = new backup_nested_element('seq_mapinfos');

$seqmapinfo = new backup_nested_element('seq_mapinfo', array('id'), array(
            'targetobjectiveid', 'readsatisfiedstatus', 'readnormalizedmeasure', 'writesatisfiedstatus',
            'writenormalizedmeasure'));

$scotracks = new backup_nested_element('sco_tracks');

$scotrack = new backup_nested_element('sco_track', array('id'), array(
            'userid', 'attempt', 'element', 'value',
            'timemodified'));

// Build the tree
        $scorm->add_child($scoes);
        $scoes->add_child($sco);

$sco->add_child($scodatas);
        $scodatas->add_child($scodata);

$sco->add_child($seqruleconds);
        $seqruleconds->add_child($seqrulecond);

$seqrulecond->add_child($seqrulecondsdatas);
        $seqrulecondsdatas->add_child($seqrulecondsdata);

$sco->add_child($seqrolluprules);
        $seqrolluprules->add_child($seqrolluprule);

$seqrolluprule->add_child($seqrollupruleconds);
        $seqrollupruleconds->add_child($seqrolluprulecond);

$sco->add_child($seqobjectives);
        $seqobjectives->add_child($seqobjective);

$seqobjective->add_child($seqmapinfos);
        $seqmapinfos->add_child($seqmapinfo);

$sco->add_child($scotracks);
        $scotracks->add_child($scotrack);

// Define sources
        $scorm->set_source_table('scorm', array('id' => backup::VAR_ACTIVITYID));

// Order is important for several SCORM calls (especially scorm_scoes) in the following calls to set_source_table
        $sco->set_source_table('scorm_scoes', array('scorm' => backup::VAR_PARENTID), 'sortorder, id');
        $scodata->set_source_table('scorm_scoes_data', array('scoid' => backup::VAR_PARENTID), 'id ASC');
        $seqrulecond->set_source_table('scorm_seq_ruleconds', array('scoid' => backup::VAR_PARENTID), 'id ASC');
        $seqrulecondsdata->set_source_table('scorm_seq_rulecond', array('ruleconditionsid' => backup::VAR_PARENTID), 'id ASC');
        $seqrolluprule->set_source_table('scorm_seq_rolluprule', array('scoid' => backup::VAR_PARENTID), 'id ASC');
        $seqrolluprulecond->set_source_table('scorm_seq_rolluprulecond', array('rollupruleid' => backup::VAR_PARENTID), 'id ASC');
        $seqobjective->set_source_table('scorm_seq_objective', array('scoid' => backup::VAR_PARENTID), 'id ASC');
        $seqmapinfo->set_source_table('scorm_seq_mapinfo', array('objectiveid' => backup::VAR_PARENTID), 'id ASC');

// All the rest of elements only happen if we are including user info
        if ($userinfo) {
            $scotrack->set_source_table('scorm_scoes_track', array('scoid' => backup::VAR_PARENTID), 'id ASC');
        }

// Define id annotations
        $scotrack->annotate_ids('user', 'userid');

// Define file annotations
        $scorm->annotate_files('mod_scorm', 'intro', null); // This file area hasn't itemid
        $scorm->annotate_files('mod_scorm', 'content', null); // This file area hasn't itemid
        $scorm->annotate_files('mod_scorm', 'package', null); // This file area hasn't itemid

// Return the root element (scorm), wrapped into standard activity structure
        return $this->prepare_activity_structure($scorm);
    }
}