class.ilSurveyImporter.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Export/classes/class.ilXmlImporter.php");

class ilSurveyImporter extends ilXmlImporter
{
        protected static $survey;

        protected $svy_log;

        function init()
        {
                include_once("./Modules/Survey/classes/class.ilSurveyDataSet.php");
                $this->ds = new ilSurveyDataSet();
                $this->ds->setDSPrefix("ds");
                $this->ds->setImport($this);

                $this->svy_log = ilLoggerFactory::getLogger("svy");
        }


        function setSurvey(ilObjSurvey $a_val)
        {
                self::$survey = $a_val;
        }

        function getSurvey()
        {
                return self::$survey;
        }

        function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
        {
                if ($a_entity == "svy")
                {
                        // Container import => test object already created
                        if ($new_id = $a_mapping->getMapping('Services/Container', 'objs', $a_id))
                        {
                                $newObj = ilObjectFactory::getInstanceByObjId($new_id, false);
                                #$newObj->setImportDirectory(dirname(rtrim($this->getImportDirectory(),'/')));
                        } else    // case ii, non container
                        {
                                $new_id = $a_mapping->getMapping("Modules/Survey", "svy", 0);
                                $newObj = ilObjectFactory::getInstanceByObjId($new_id, false);
                        }
                        $this->setSurvey($newObj);

                        include_once "./Services/Survey/classes/class.SurveyImportParser.php";

                        list($xml_file) = $this->parseXmlFileNames();

                        if (!@file_exists($xml_file))
                        {
                                $GLOBALS['ilLog']->write(__METHOD__ . ': Cannot find xml definition: ' . $xml_file);
                                return false;
                        }
                        $GLOBALS['ilLog']->write("getQuestionPoolID = ".$this->getImport()->getConfig("Modules/Survey")->getQuestionPoolID());

                        $import = new SurveyImportParser($this->getImport()->getConfig("Modules/Survey")->getQuestionPoolID(), $xml_file, true, $a_mapping);

                        $import->setSurveyObject($newObj);
                        $import->startParsing();

                        $this->svy_log->debug("is array import_mob_xml: -".is_array($_SESSION["import_mob_xhtml"])."-");

                        // this is "written" by Services/Survey/classes/class.ilSurveyImportParser
                        if (is_array($_SESSION["import_mob_xhtml"]))
                        {
                                include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
                                include_once "./Services/RTE/classes/class.ilRTE.php";
                                include_once "./Modules/TestQuestionPool/classes/class.ilObjQuestionPool.php";
                                foreach ($_SESSION["import_mob_xhtml"] as $mob)
                                {
                                        $this->svy_log->debug("import mob xhtml, type: ".$mob["type"].", id: ".$mob["mob"]);

                                        if (!$mob["type"])
                                        {
                                                $mob["type"] = "svy:html";
                                        }

                                        $importfile = dirname($xml_file) . "/" . $mob["uri"];
                                        $this->svy_log->debug("import file: ".$importfile);

                                        if (file_exists($importfile))
                                        {
                                                $media_object = ilObjMediaObject::_saveTempFileAsMediaObject(basename($importfile), $importfile, false);

                                                // survey mob
                                                if ($mob["type"] == "svy:html")
                                                {
                                                        ilObjMediaObject::_saveUsage($media_object->getId(), "svy:html", $newObj->getId());
                                                        $this->svy_log->debug("old introduction: ".$newObj->getIntroduction());
                                                        $newObj->setIntroduction(str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $newObj->getIntroduction()));
                                                        $newObj->setOutro(str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $newObj->getOutro()));

                                                        $this->svy_log->debug("new introduction: ".$newObj->getIntroduction());
                                                }
                                                else if($import->questions[$mob["id"]])
                                                {
                                                        $new_qid = $import->questions[$mob["id"]];
                                                        ilObjMediaObject::_saveUsage($media_object->getId(), $mob["type"], $new_qid);
                                                        $new_question = SurveyQuestion::_instanciateQuestion($new_qid);
                                                        $qtext = $new_question->getQuestiontext();

                                                        $this->svy_log->debug("old question text: ".$qtext);

                                                        $qtext = ilRTE::_replaceMediaObjectImageSrc($qtext, 0);
                                                        $qtext = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $qtext);
                                                        $qtext = ilRTE::_replaceMediaObjectImageSrc($qtext, 1);
                                                        $new_question->setQuestiontext($qtext);
                                                        $new_question->saveToDb();

                                                        $this->svy_log->debug("new question text: ".$qtext);

                                                        // also fix existing original in pool
                                                        if($new_question->getOriginalId())
                                                        {
                                                                $pool_question = SurveyQuestion::_instanciateQuestion($new_question->getOriginalId());
                                                                $pool_question->setQuestiontext($qtext);
                                                                $pool_question->saveToDb();
                                                        }
                                                }
                                        }
                                        else
                                        {
                                                $this->svy_log->error("Error: Could not open XHTML mob file for test introduction during test import. File $importfile does not exist!");
                                        }
                                }
                                $newObj->setIntroduction(ilRTE::_replaceMediaObjectImageSrc($newObj->getIntroduction(), 1));
                                $newObj->setOutro(ilRTE::_replaceMediaObjectImageSrc($newObj->getOutro(), 1));
                                $newObj->saveToDb();
                        }

                        $a_mapping->addMapping("Modules/Survey", "svy", $a_id, $newObj->getId());
                }
                else
                {
                        include_once("./Services/DataSet/classes/class.ilDataSetImportParser.php");
                        $parser = new ilDataSetImportParser($a_entity, $this->getSchemaVersion(),
                                        $a_xml, $this->ds, $a_mapping);
                }

                return true;

        }
        
        
        protected function parseXmlFileNames()
        {
                $GLOBALS['ilLog']->write(__METHOD__.': '.$this->getImportDirectory());
                
                $basename = basename($this->getImportDirectory());
                $xml = $this->getImportDirectory().'/'.$basename.'.xml';
                
                return array($xml);
        }
}

?>