scorm.php

См. документацию.

<?
 
// 2012-04-20 Checked/modified for compatibility with new data model
class CCourseSCORM
{
    var $package_dir;
    var $LAST_ERROR = "";
    var $arManifest = Array();
    var $arSITE_ID = Array();
    var $COURSE_ID = 0;
    var $objXML;
    var $arDraftFields = Array("detail_text", "preview_text", "description");
    var $arUnsetFields = Array("id", "timestamp_x", "chapter_id", "course_id", "lesson_id", "question_id", "created_by");
    var $arPicture = Array("detail_picture", "preview_picture", "file_id");
    var $arDate = Array("active_from", "active_to", "date_create");
    var $arWarnings = Array();
    var $arResources = array();
 
 
    // 2012-04-19 Checked/modified for compatibility with new data model
    public function __construct($PACKAGE_DIR, $arSITE_ID)
    {
        //Cut last slash
        if (mb_substr($PACKAGE_DIR, -1, 1) == "/")
            $PACKAGE_DIR = mb_substr($PACKAGE_DIR, 0, -1);
 
        $this->package_dir = $_SERVER["DOCUMENT_ROOT"].$PACKAGE_DIR;
 
        //Dir exists?
        if (!is_dir($this->package_dir))
        {
            $this->LAST_ERROR = GetMessage("LEARNING_BAD_PACKAGE")."<br>";
            return;
        }
 
        //Manifest exists?
        if (!is_file($this->package_dir."/imsmanifest.xml"))
        {
            $this->LAST_ERROR = GetMessage("LEARNING_MANIFEST_NOT_FOUND")."<br>";
            return;
        }
 
        //Sites check
        if (!is_array($arSITE_ID) || empty($arSITE_ID))
        {
            $this->LAST_ERROR = GetMessage("LEARNING_BAD_SITE_ID")."<br>";
            return;
        }
 
        $this->arSITE_ID = $arSITE_ID;
 
        $this->objXML = new CDataXML();
        if (!$this->objXML->Load($this->package_dir."/imsmanifest.xml"))
        {
            $this->LAST_ERROR = GetMessage("LEARNING_MANIFEST_NOT_FOUND")."<br>";
            return;
        }
    }
 
 
    // 2012-04-19 Checked/modified for compatibility with new data model
    protected function CreateCourse()
    {
        global $APPLICATION;
 
        if ($this->LAST_ERROR <> '')
            return false;
 
        if (!$title = $this->objXML->SelectNodes("/manifest/organizations/organization/title"))
        {
            $this->LAST_ERROR = GetMessage("LEARNING_BAD_NAME");
            return false;
        }
 
        $arFields = Array(
            "NAME" => $title->content,
            "SITE_ID" => $this->arSITE_ID,
            "SCORM" => "Y",
        );
 
        $course = new CCourse;
        $this->COURSE_ID = $course->Add($arFields);
 
        if ($this->COURSE_ID === false)
        {
            if($err = $APPLICATION->GetException())
                $this->LAST_ERROR = $err->GetString();
            return false;
        }
 
        return true;
    }
 
 
    // 2012-04-19 Checked/modified for compatibility with new data model
    protected function CreateContent($arItems = array(), $PARENT_ID = 0)
    {
        if ($this->LAST_ERROR <> '')
            return false;
 
        if (empty($arItems))
        {
            if ($items = $this->objXML->SelectNodes("/manifest/organizations/organization/"))
            {
                $arItems = $items->__toArray();
                $arItems = $arItems["#"]["item"];
            }
        }
 
        foreach ($arItems as $ar)
        {
            $title = $ar["#"]["title"][0]["#"];
            $type = (!is_set($ar["#"], "item") && is_set($ar["@"], "identifierref")) ? "LES" : "CHA";
            $launch = "";
            if ($type == "LES")
            {
                foreach($this->arResources as $res)
                {
                    if ($res["@"]["identifier"] == $ar["@"]["identifierref"])
                    {
                        $launch = "/".(COption::GetOptionString("main", "upload_dir", "upload"))."/learning/scorm/".$this->COURSE_ID."/";
                        $launch .= $res["@"]["href"];
                        if(is_set($ar["@"]["parameters"]))
                        {
                            $launch .= $ar["@"]["parameters"];
                        }
                    }
                }
 
            }
 
            $ID = $this->_MakeItems($title, $type, $launch, $PARENT_ID);
 
            if (is_set($ar["#"], "item"))
                $this->CreateContent($ar["#"]["item"], $ID);
        }
    }
 
 
    // 2012-04-20 Checked/modified for compatibility with new data model
    protected function _MakeItems($TITLE, $TYPE, $LAUNCH, $PARENT_ID)
    {
        global $APPLICATION;
 
        if ($PARENT_ID === 0)
        {
            $linkToParentLessonId = CCourse::CourseGetLinkedLesson ($this->COURSE_ID);
        }
        else
        {
            $linkToParentLessonId = (int) $PARENT_ID;
        }
 
        if ($TYPE == "LES")
        {
            $arFields = Array(
                'NAME'             => $TITLE,
                'LAUNCH'           => $LAUNCH,
                'DETAIL_TEXT_TYPE' => "file"
            );
        }
        elseif ($TYPE == "CHA")
        {
            $arFields = Array(
                'NAME' => $TITLE
            );
        }
        else
        {
            return $PARENT_ID;
        }
 
        // properties (in context of parent) by default
        $arProperties = array('SORT' => 500);
 
        $ID = CLearnLesson::Add (
            $arFields, 
            false,          // is it course? - No, it isn't.
            $linkToParentLessonId, 
            $arProperties);
 
        if ($ID > 0)
            return $ID;
        else
        {
            if($e = $APPLICATION->GetException())
                $this->arWarnings[$TYPE][] = Array("TITLE" => $TITLE, "TEXT" =>$e->GetString());
        }
    }
 
 
    // 2012-04-19 Checked/modified for compatibility with new data model
    public function ImportPackage()
    {
        $resources = $this->objXML->SelectNodes("/manifest/resources/");
        $this->arResources = $resources->__toArray();
        $this->arResources = $this->arResources["#"]["resource"];
 
        if (!$this->CreateCourse())
            return false;
 
        $this->CreateContent();
 
        CLearnHelper::CopyDirFiles(
            $this->package_dir, 
            $_SERVER["DOCUMENT_ROOT"]."/".(COption::GetOptionString("main", "upload_dir", "upload"))."/learning/scorm/".$this->COURSE_ID, 
            true, 
            true);
 
        return true;
    }
}