scormlib.php

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                                            }
                                            $objectivedata->objectiveid = '';
                                            if (isset($objective['attrs']['OBJECTIVEID'])) {
                                                $objectivedata->objectiveid = $objective['attrs']['OBJECTIVEID'];
                                            }
                                            $objectivedata->minnormalizedmeasure = 1.0;
                                            if (!empty($objective['children'])) {
                                                $mapinfos = array();
                                                foreach ($objective['children'] as $objectiveparam) {
                                                    if ($objectiveparam['name']=='IMSSS:MINNORMALIZEDMEASURE') {
                                                        if (isset($objectiveparam['tagData'])) {
                                                        	$objectivedata->minnormalizedmeasure = $objectiveparam['tagData'];
                                                        } else {
                                                            $objectivedata->minnormalizedmeasure = 0;
                                                        }
                                                    }
                                                    if ($objectiveparam['name']=='IMSSS:MAPINFO') {
                                                        $mapinfo = new stdClass();
                                                        $mapinfo->targetobjectiveid = '';
                                                        if (isset($objectiveparam['attrs']['TARGETOBJECTIVEID'])) {
                                                            $mapinfo->targetobjectiveid = $objectiveparam['attrs']['TARGETOBJECTIVEID'];
                                                        }
                                                        $mapinfo->readsatisfiedstatus = 1;
                                                        if (isset($objectiveparam['attrs']['READSATISFIEDSTATUS'])) {
                                                            $mapinfo->readsatisfiedstatus = $objectiveparam['attrs']['READSATISFIEDSTATUS'] == 'true'?1:0;
                                                        }
                                                        $mapinfo->writesatisfiedstatus = 0;
                                                        if (isset($objectiveparam['attrs']['WRITESATISFIEDSTATUS'])) {
                                                            $mapinfo->writesatisfiedstatus = $objectiveparam['attrs']['WRITESATISFIEDSTATUS'] == 'true'?1:0;
                                                        }
                                                        $mapinfo->readnormalizemeasure = 1;
                                                        if (isset($objectiveparam['attrs']['READNORMALIZEDMEASURE'])) {
                                                            $mapinfo->readnormalizemeasure = $objectiveparam['attrs']['READNORMALIZEDMEASURE'] == 'true'?1:0;
                                                        }
                                                        $mapinfo->writenormalizemeasure = 0;
                                                        if (isset($objectiveparam['attrs']['WRITENORMALIZEDMEASURE'])) {
                                                            $mapinfo->writenormalizemeasure = $objectiveparam['attrs']['WRITENORMALIZEDMEASURE'] == 'true'?1:0;
                                                        }
                                                        array_push($mapinfos,$mapinfo);
                                                    }
                                                }
                                                if (!empty($mapinfos)) {
                                                    $objectivesdata->mapinfos = $mapinfos;
                                                }
                                            }
                                        break;
                                    }
//print_object($objectivedata);
                                    array_push($objectives,$objectivedata);
                                }
                                $scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectives = $objectives;
                            }
                            if ($sequencing['name']=='IMSSS:LIMITCONDITIONS') {
                                if (isset($sequencing['attrs']['ATTEMPTLIMIT'])) {
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptLimit = $sequencing['attrs']['ATTEMPTLIMIT'];
                                }
                                if (isset($sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'])) {
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->attemptAbsoluteDurationLimit = $sequencing['attrs']['ATTEMPTABSOLUTEDURATIONLIMIT'];
                                }
                            }
                            if ($sequencing['name']=='IMSSS:ROLLUPRULES') {
                                if (isset($sequencing['attrs']['ROLLUPOBJECTIVESATISFIED'])) {
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupobjectivesatisfied = $sequencing['attrs']['ROLLUPOBJECTIVESATISFIED'] == 'true'?1:0;;
                                }
                                if (isset($sequencing['attrs']['ROLLUPPROGRESSCOMPLETION'])) {
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rollupprogresscompletion = $sequencing['attrs']['ROLLUPPROGRESSCOMPLETION'] == 'true'?1:0;
                                }
                                if (isset($sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'])) {
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->objectivemeasureweight = $sequencing['attrs']['OBJECTIVEMEASUREWEIGHT'];
                                }

                                if (!empty($sequencing['children'])){
                                    $rolluprules = array();
                                    foreach ($sequencing['children'] as $sequencingrolluprule) {
                                        if ($sequencingrolluprule['name']=='IMSSS:ROLLUPRULE' ) {
                                            $rolluprule = new stdClass();
                                            $rolluprule->childactivityset = 'all';
                                            if (isset($sequencingrolluprule['attrs']['CHILDACTIVITYSET'])) {
                                                $rolluprule->childactivityset = $sequencingrolluprule['attrs']['CHILDACTIVITYSET'];
                                            }
                                            $rolluprule->minimumcount = 0;
                                            if (isset($sequencingrolluprule['attrs']['MINIMUMCOUNT'])) {
                                                $rolluprule->minimumcount = $sequencingrolluprule['attrs']['MINIMUMCOUNT'];
                                            }
                                            $rolluprule->minimumpercent = 0.0000;
                                            if (isset($sequencingrolluprule['attrs']['MINIMUMPERCENT'])) {
                                                $rolluprule->minimumpercent = $sequencingrolluprule['attrs']['MINIMUMPERCENT'];
                                            }
                                            if (!empty($sequencingrolluprule['children'])) {
                                                foreach ($sequencingrolluprule['children'] as $rolluproleconditions) {
                                                    if ($rolluproleconditions['name']=='IMSSS:ROLLUPCONDITIONS') {
                                                        $conditions = array();
                                                        $rolluprule->conditioncombination = 'all';
                                                        if (isset($rolluproleconditions['attrs']['CONDITIONCOMBINATION'])) {
                                                            $rolluprule->conditioncombination = $rolluproleconditions['attrs']['CONDITIONCOMBINATION'];
                                                        }
                                                        foreach ($rolluproleconditions['children'] as $rolluprulecondition) {
                                                            if ($rolluprulecondition['name']=='IMSSS:ROLLUPCONDITION') {
                                                                $condition = new stdClass();
                                                                if (isset($rolluprulecondition['attrs']['CONDITION'])) {
                                                                    $condition->cond = $rolluprulecondition['attrs']['CONDITION'];
                                                                }
                                                                $condition->operator = 'noOp';
                                                                if (isset($rolluprulecondition['attrs']['OPERATOR'])) {
                                                                    $condition->operator = $rolluprulecondition['attrs']['OPERATOR'];
                                                                }
                                                                array_push($conditions,$condition);
                                                            }
                                                        }
                                                        $rolluprule->conditions = $conditions;
                                                    }
                                                    if ($rolluproleconditions['name']=='IMSSS:ROLLUPACTION') {
                                                        $rolluprule->rollupruleaction = $rolluproleconditions['attrs']['ACTION'];
                                                    }
                                                }
                                            }
                                            array_push($rolluprules, $rolluprule);
                                        }
                                    }
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->rolluprules = $rolluprules;
                                }
                            }

                            if ($sequencing['name']=='IMSSS:SEQUENCINGRULES') {
                                if (!empty($sequencing['children'])) {
                                    $sequencingrules = array();
                                    foreach ($sequencing['children'] as $conditionrules) {
                                        $conditiontype = -1;
                                        switch($conditionrules['name']) {
                                            case 'IMSSS:PRECONDITIONRULE':
                                                $conditiontype = 0;
                                            break;
                                            case 'IMSSS:POSTCONDITIONRULE':
                                                $conditiontype = 1;
                                            break;
                                            case 'IMSSS:EXITCONDITIONRULE':
                                                $conditiontype = 2;
                                            break;
                                        }
                                        if (!empty($conditionrules['children'])) {
                                            $sequencingrule = new stdClass();
                                            foreach ($conditionrules['children'] as $conditionrule) {
                                                if ($conditionrule['name']=='IMSSS:RULECONDITIONS') {
                                                    $ruleconditions = array();
                                                    $sequencingrule->conditioncombination = 'all';
                                                    if (isset($conditionrule['attrs']['CONDITIONCOMBINATION'])) {
                                                        $sequencingrule->conditioncombination = $conditionrule['attrs']['CONDITIONCOMBINATION'];
                                                    }
                                                    foreach ($conditionrule['children'] as $rulecondition) {
                                                        if ($rulecondition['name']=='IMSSS:RULECONDITION') {
                                                            $condition = new stdClass();
                                                            if (isset($rulecondition['attrs']['CONDITION'])) {
                                                                $condition->cond = $rulecondition['attrs']['CONDITION'];
                                                            }
                                                            $condition->operator = 'noOp';
                                                            if (isset($rulecondition['attrs']['OPERATOR'])) {
                                                                $condition->operator = $rulecondition['attrs']['OPERATOR'];
                                                            }
                                                            $condition->measurethreshold = 0.0000;
                                                            if (isset($rulecondition['attrs']['MEASURETHRESHOLD'])) {
                                                                $condition->measurethreshold = $rulecondition['attrs']['MEASURETHRESHOLD'];
                                                            }
                                                            $condition->referencedobjective = '';
                                                            if (isset($rulecondition['attrs']['REFERENCEDOBJECTIVE'])) {
                                                                $condition->referencedobjective = $rulecondition['attrs']['REFERENCEDOBJECTIVE'];
                                                            }
                                                            array_push($ruleconditions,$condition);
                                                        }
                                                    }
                                                    $sequencingrule->ruleconditions = $ruleconditions;
                                                }
                                                if ($conditionrule['name']=='IMSSS:RULEACTION') {
                                                    $sequencingrule->action = $conditionrule['attrs']['ACTION'];
                                                }
                                                $sequencingrule->type = $conditiontype;
                                            }
                                            array_push($sequencingrules,$sequencingrule);
                                        }
                                    }
                                    $scoes->elements[$manifest][$parent->organization][$parent->identifier]->sequencingrules = $sequencingrules;
                                }
                            }
                        }
                    }
                break;
            }
        }
    }
    return $scoes;
}

function scorm_parse_scorm($pkgdir,$scormid) {
    global $CFG;

    $launch = 0;
    $manifestfile = $pkgdir.'/imsmanifest.xml';

    if (is_file($manifestfile)) {

        $xmltext = file_get_contents($manifestfile);

        $pattern = '/&(?!\w{2,6};)/';
        $replacement = '&';
        $xmltext = preg_replace($pattern, $replacement, $xmltext);

        $objXML = new xml2Array();
        $manifests = $objXML->parse($xmltext);
//print_object($manifests);
        $scoes = new stdClass();
        $scoes->version = '';
        $scoes = scorm_get_manifest($manifests,$scoes);
//print_object($scoes);
        if (count($scoes->elements) > 0) {
            $olditems = get_records('scorm_scoes','scorm',$scormid);
            foreach ($scoes->elements as $manifest => $organizations) {
                foreach ($organizations as $organization => $items) {
                    foreach ($items as $identifier => $item) {
                        // This new db mngt will support all SCORM future extensions
                        $newitem = new stdClass();
                        $newitem->scorm = $scormid;
                        $newitem->manifest = $manifest;
                        $newitem->organization = $organization;
                        $standarddatas = array('parent', 'identifier', 'launch', 'scormtype', 'title');
                        foreach ($standarddatas as $standarddata) {
                            if (isset($item->$standarddata)) {
                                $newitem->$standarddata = addslashes_js($item->$standarddata);
                            }
                        }

                        // Insert the new SCO, and retain the link between the old and new for later adjustment
                        $id = insert_record('scorm_scoes',$newitem);
                        if (!empty($olditems) && ($olditemid = scorm_array_search('identifier',$newitem->identifier,$olditems))) {
                            $olditems[$olditemid]->newid = $id;
                        }

                        if ($optionaldatas = scorm_optionals_data($item,$standarddatas)) {
                            $data = new stdClass();
                            $data->scoid = $id;
                            foreach ($optionaldatas as $optionaldata) {
                                if (isset($item->$optionaldata)) {
                                    $data->name =  $optionaldata;
                                    $data->value = addslashes_js($item->$optionaldata);
                                    $dataid = insert_record('scorm_scoes_data',$data);
                                }
                            }
                        }

                        if (isset($item->sequencingrules)) {
                            foreach($item->sequencingrules as $sequencingrule) {
                                $rule = new stdClass();
                                $rule->scoid = $id;
                                $rule->ruletype = $sequencingrule->type;
                                $rule->conditioncombination = $sequencingrule->conditioncombination;
                                $rule->action = $sequencingrule->action;
                                $ruleid = insert_record('scorm_seq_ruleconds',$rule);
                                if (isset($sequencingrule->ruleconditions)) {
                                    foreach($sequencingrule->ruleconditions as $rulecondition) {
                                        $rulecond = new stdClass();
                                        $rulecond->scoid = $id;
                                        $rulecond->ruleconditionsid = $ruleid;
                                        $rulecond->referencedobjective = $rulecondition->referencedobjective;
                                        $rulecond->measurethreshold = $rulecondition->measurethreshold;
                                        $rulecond->cond = $rulecondition->cond;
                                        $rulecondid = insert_record('scorm_seq_rulecond',$rulecond);
                                    }
                                }
                            }