class.ilLearningModuleExporter.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

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

class ilLearningModuleExporter extends ilXmlExporter
{
        private $ds;
        private $config;

        function init()
        {
                include_once("./Modules/LearningModule/classes/class.ilLearningModuleDataSet.php");
                $this->ds = new ilLearningModuleDataSet();
                $this->ds->setExportDirectories($this->dir_relative, $this->dir_absolute);
                $this->ds->setDSPrefix("ds");
                $this->config = $this->getExport()->getConfig("Modules/LearningModule");
                if ($this->config->getMasterLanguageOnly())
                {
                        $conf = $this->getExport()->getConfig("Services/COPage");
                        $conf->setMasterLanguageOnly(true);
                        $this->ds->setMasterLanguageOnly(true);
                }
        }

        function getXmlExportTailDependencies($a_entity, $a_target_release, $a_ids)
        {
                include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                include_once("./Modules/LearningModule/classes/class.ilLMPageObject.php");

                $deps = array();

                if ($a_entity == "lm")
                {
                        $md_ids = array();

                        // lm related ids
                        foreach ($a_ids as $id)
                        {
                                $md_ids[] = $id . ":0:lm";
                        }

                        // chapter related ids
                        foreach ($a_ids as $id)
                        {
                                $chaps = ilLMObject::getObjectList($id, "st");
                                foreach ($chaps as $c)
                                {
                                        $md_ids[] = $id . ":" . $c["obj_id"] . ":st";
                                }
                        }

                        // page related ids
                        $pg_ids = array();
                        foreach ($a_ids as $id)
                        {
                                $pages = ilLMPageObject::getPageList($id);
                                foreach ($pages as $p)
                                {
                                        $pg_ids[] = "lm:" . $p["obj_id"];
                                        $md_ids[] = $id . ":" . $p["obj_id"] . ":pg";
                                }
                        }

                        // style, multilang, metadata per page/chap?

                        $deps = array(
                                array(
                                        "component" => "Services/COPage",
                                        "entity" => "pg",
                                        "ids" => $pg_ids),
                                array(
                                        "component" => "Services/MetaData",
                                        "entity" => "md",
                                        "ids" => $md_ids),
                        );

                        if (!$this->config->getMasterLanguageOnly())
                        {
                                $deps[] = array(
                                        "component" => "Services/Object",
                                        "entity" => "transl",
                                        "ids" => $md_ids);
                        }

                        // help export
                        foreach ($a_ids as $id)
                        {
                                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                                if (ilObjContentObject::isOnlineHelpModule($id, true))
                                {
                                        $deps[] = array(
                                                "component" => "Services/Help",
                                                "entity" => "help",
                                                "ids" => array($id));
                                }
                        }

                        // style
                        foreach ($a_ids as $id)
                        {
                                include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                                if (($s = ilObjContentObject::_lookupStyleSheetId($id)) > 0)
                                {
                                        $deps[] = array(
                                                "component" => "Services/Style",
                                                "entity" => "sty",
                                                "ids" => $s
                                        );
                                }
                        }
                }

                return $deps;
        }



        public function getXmlRepresentation($a_entity, $a_schema_version, $a_id)
        {
                // workaround: old question export
                $q_ids = array();
                include_once("./Modules/LearningModule/classes/class.ilLMPageObject.php");
                $pages = ilLMPageObject::getPageList($a_id);
                foreach ($pages as $p)
                {
                        $langs = array("-");
                        if (!$this->config->getMasterLanguageOnly())
                        {
                                $trans = ilPageObject::lookupTranslations("lm", $p["obj_id"]);
                                foreach ($trans as $t)
                                {
                                        if ($t != "-")
                                        {
                                                $langs[] = $t;
                                        }
                                }
                        }
                        foreach ($langs as $l)
                        {
                                // collect questions
                                include_once("./Services/COPage/classes/class.ilPCQuestion.php");
                                foreach (ilPCQuestion::_getQuestionIdsForPage("lm", $p["obj_id"], $l) as $q_id)
                                {
                                        $q_ids[$q_id] = $q_id;
                                }
                        }
                }
                if (count($q_ids) > 0)
                {
                        $dir = $this->getExport()->export_run_dir;
                        $qti_file = fopen($dir."/qti.xml", "w");
                        include_once("./Modules/TestQuestionPool/classes/class.ilObjQuestionPool.php");
                        $pool = new ilObjQuestionPool();
                        fwrite($qti_file, $pool->questionsToXML($q_ids));
                        fclose($qti_file);
                }

                return $this->ds->getXmlRepresentation($a_entity, $a_schema_version, $a_id, "", true, true);

                /*include_once './Modules/LearningModule/classes/class.ilObjLearningModule.php';
                $lm = new ilObjLearningModule($a_id,false);

                include_once './Modules/LearningModule/classes/class.ilContObjectExport.php';
                $exp = new ilContObjectExport($lm);
                $zip = $exp->buildExportFile();*/
        }

        function getValidSchemaVersions($a_entity)
        {
                return array (
                        "5.1.0" => array(
                                "namespace" => "http://www.ilias.de/Modules/LearningModule/lm/5_1",
                                "xsd_file" => "ilias_lm_5_1.xsd",
                                "uses_dataset" => true,
                                "min" => "5.1.0",
                                "max" => ""),
                        "4.1.0" => array(
                                "namespace" => "http://www.ilias.de/Modules/LearningModule/lm/4_1",
                                "xsd_file" => "ilias_lm_4_1.xsd",
                                "uses_dataset" => false,
                                "min" => "4.1.0",
                                "max" => "")
                );
        }

}

?>