Thread: [Logicampus-cvs] logicampus/src/logicreate/services/classmgr restoreBackup.lcp, NONE, 1.1

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Update of /cvsroot/logicampus/logicampus/src/logicreate/services/classmgr
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv24277

Added Files:
	restoreBackup.lcp 
Log Message:
adding restore file.

--- NEW FILE: restoreBackup.lcp ---
<?

include_once(LIB_PATH.'PBDO/LobRepoEntry.php');
include_once(LIB_PATH.'PBDO/LobMetadata.php');
include_once(LIB_PATH.'PBDO/LobUserLink.php');

include_once(LIB_PATH.'PBDO/LobContent.php');
include_once(LIB_PATH.'PBDO/LobActivity.php');
include_once(LIB_PATH.'PBDO/LobTest.php');

include_once(LIB_PATH.'lob/lc_lob.php');
include_once(LIB_PATH.'lob/lc_lob_xml.php');
include_once(LIB_PATH.'lesson/lc_lesson_xml.php');

/**
 * Learning Object Repository
 */
class RestoreBackup extends FacultyService {

	var $presentor='htmlPresentation';
	var $sectionTitle = 'Classroom Manager';
	var $navlinks = array (
		''=>''
		);


	/**
	 * Display a form to upload the backup ZIP archive.
	 */
	function run(&$db,&$u,&$lc,&$t) {
		$lc->templateName='restoreBackup_main';
	}


	/**
	 * Extract the uploaded zip file, display the contents and ask for confirmation.
	 */
	function confirmUploadRun(&$db,&$u,&$lc,&$t) {
		if ($lc->uploads['lobxml']['error']) {
			$this->presentor = 'errorMessage';
			$t['message'] = "There was a problem with the upload."; 
			return false;
		}


		$tempdir = $this->tempdir('/tmp', 'campus');
		$this->tempdir = $tempdir;
//debug($tempdir);
//exit();

		//$za = zip_open($lc->uploads['lobxml']['tmp_name']);
		//debug($za);

		exec('unzip -d '. $tempdir.' '.$lc->uploads['lobxml']['tmp_name'] );

		$doc = new DomDocument('1.0', 'UTF-8');
		$doc->substituteEntities=false;
		$doc->resolveExternals=false;
		$doc->preserveWhiteSpace=true;
		$doc->validateOnParse=false;
		if (!$doc->load( $tempdir."/learningobjects.xml") ) {
			$this->presentor = 'errorMessage';
			$t['message'] ="This file does not seem to be a proper backup file. (cannot find learningobjects.xml)"; 
			$this->cleanupDir();
			return false;
		}

		$root = $doc->childNodes;
		//get the "lobcol" node
		$collectionNode = $root->item(1);

		$lobNodes = $collectionNode->getElementsByTagnameNS('http://logicampus.sourceforge.net/2006/learning_object','obj');

		$t['lob_material'] = array();
		$t['lob_test'] = array();
		$t['lob_activity'] = array();
		for ($xidx = 0; $xidx < $lobNodes->length; $xidx++) {
			$node = $lobNodes->item($xidx);
			if ($node->nodeType == XML_TEXT_NODE) {
				continue;
			}
			$lobSub = null;
			$lobRepoObj = Lc_Lob_Xml::parseNode($node, $tempdir);
			if ($lobRepoObj->lobType == 'content') {
				$t['lob_material'][] = $lobRepoObj;
			}
			if ($lobRepoObj->lobType == 'activity') {
				$t['lob_activity'][] = $lobRepoObj;
			}
			if ($lobRepoObj->lobType == 'test') {
				$t['lob_test'][] = $lobRepoObj;
			}
		}

		$lessonNodes = $collectionNode->getElementsByTagnameNS('http://logicampus.sourceforge.net/2006/learning_object','lesson');

		$t['lesson_list'] = array();
		for ($xidx = 0; $xidx < $lobNodes->length; $xidx++) {
			$lessonObj = Lc_Lesson_Xml::parseNode($node);
			$t['lesson_list'][] = $lessonObj;
		}

		$u->addSessionMessage('Successfully added content.');

		$u->sessionvars['restore_dir'] = $tempdir;
	}


	/**
	 * read the temporary directory from the session and complete the import of the backup file.
	 */
	function handleUploadRun(&$db,&$u,&$lc,&$t) {

		$tempdir = $u->sessionvars['restore_dir'];

		$doc = new DomDocument('1.0', 'UTF-8');
		$doc->substituteEntities=false;
		$doc->resolveExternals=false;
		$doc->preserveWhiteSpace=true;
		$doc->validateOnParse=false;
		if (!$doc->load( $tempdir."/learningobjects.xml") ) {
			$this->presentor = 'errorMessage';
			$t['message'] ="This file does not seem to be a proper backup file. (cannot find learningobjects.xml)"; 
			$this->cleanupDir();
			return false;
		}

		$root = $doc->childNodes;
		//get the "lobcol" node
		$collectionNode = $root->item(1);

		$this->cleanupDir();
	}

	/**
	 * Erase /tmp/campus* and the session varaible "restore_dir"
	 */
	function cleanupDir() {
		$tempdir = $u->sessionvars['restore_dir'];
		unset($u->sessionvars['restore_dir']);
		unlink($tempdir.'/learningobjects.xml');
		rmdir($tempdir.'/content');
		rmdir($tempdir);
	}

	/**
	 * return a lob content sub-object
	 */
	function makeContentNode($n) {
		$result = $n->getElementsByTagname('content');
		$textContent = $result->item(0);
		$lobSub = new LobContent();
		$lobSub->lobText = $textContent->nodeValue;
		return $lobSub;
	}

	/**
	 * return a lob activity sub-object
	 */
	function makeActivityNode($n) {
		$result = $n->getElementsByTagname('response');
		$responseNode = $result->item(0);
		$lobSub = new LobActivity();
		switch($resposneNode->nodeValue) {
			case 'upload':
				$lobSub->responseTypeId = 1;
				break;
			case 'text':
				$lobSub->responseTypeId = 2;
				break;
			case 'uploadandtext':
				$lobSub->responseTypeId = 3;
				break;
			case 'forum':
				$lobSub->responseTypeId = 4;
				break;
			case 'none':
				$lobSub->responseTypeId = 5;
				break;
			case 'audio':
				$lobSub->responseTypeId = 6;
				break;

			default:
				$lobSub->responseTypeId = 5;
		}
		return $lobSub;
	}

	
	/**
	 * return a lob object
	 */
	function makeRepoNode($n) {
		$result = $n->getElementsByTagname('type');
		$type = $result->item(0);
		/*
		print_r($type);
		echo "new lob: <br/>";
//		debug($type);
		echo $type->nodeValue;
		echo "\n<br/>";
		echo "name lob: <br/>";
		echo $type->tagName;
		echo "<br/>";
		// */

		$children = $type->childNodes;
		$content = '';
		if ($children->length) {
			$content = trim($children->item(0)->nodeValue);
			$guid = $n->getAttribute('guid');
			$dbid = $n->getAttribute('dbid');
		}
		else {
			die ('unknown class: '. get_class($type)); 
			return null;
		}

		$lob = null;
		$lob    = new LobRepoEntry();
		$lob->set('lobGuid',$guid);
		switch ($content) {
			case 'content':
				$lob->set('lobType','content');
				break;
			case 'activity':
				$lob->set('lobType','activity');
				break;
			case 'test':
				$lob->set('lobType','test');
				break;
		}
		if ($lob->lobType == '') { return null; die ('unknown type '. $content); }


		$result = $n->getElementsByTagname('title');
		$node = $result->item(0);
		$children = $node->childNodes;
		$lob->set('lobTitle', trim($children->item(0)->nodeValue) );

		$result = $n->getElementsByTagname('content');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobContent', trim($children->item(0)->nodeValue) );
		}

		$result = $n->getElementsByTagname('filename');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobFilename', trim($children->item(0)->nodeValue) );

			$urlTitle = Lc_Lob_Util::createLinkText(trim($children->item(0)->nodeValue));
			$lob->set('lobUrltitle', $urlTitle );
			$lob->set('lobBinary', file_get_contents($this->tempdir.'/content/'.trim($children->item(0)->nodeValue)) );
		} else {
			$urlTitle = Lc_Lob_Util::createLinkText(trim( $lob->get('lobTitle')) );
			$lob->set('lobUrltitle', $urlTitle );
		}

		$result = $n->getElementsByTagname('description');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobDescription', trim($children->item(0)->nodeValue) );
		}


		$result = $n->getElementsByTagname('subtype');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobSubType', trim($children->item(0)->nodeValue) );
		}

		$result = $n->getElementsByTagname('mime');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobMime', trim($children->item(0)->nodeValue) );
		}

		return $lob;
//		debug($children);
	}


	/**
	 * return a lob metadata object
	 */
	function processLobMeta($n) {
		$result = $n->getElementsByTagname('metadata');
		$meta = $result->item(0);
		$children = $meta->childNodes;


		$lob = null;
		$lob = new LobMetadata();

		foreach($children as $childNode) {
			if ($childNode->nodeType == XML_TEXT_NODE) {
				continue;
			}

			$tag = $childNode->tagName;
			$subchild = $childNode->childNodes;
			$lob->set($tag, trim($subchild->item(0)->nodeValue) );
		}
/*

		$result = $n->getElementsByTagname('lobtitle');
		$node = $result->item(0);
		$children = $node->childNodes;
		$lob->set('lobTitle', trim($children->item(0)->nodeValue) );

		$result = $n->getElementsByTagname('lobcontent');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobContent', trim($children->item(0)->nodeValue) );
		}

		$result = $n->getElementsByTagname('lobfilename');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobFilename', trim($children->item(0)->nodeValue) );
			$lob->set('lobUrltitle', urlencode(trim($children->item(0)->nodeValue)) );
		} else {
			$urltitle = $lob->get('lobTitle');
			$urltitle = str_replace(' ', '_', $urltitle);
			$urltitle = urlencode($urltitle);
			$lob->set('lobUrltitle', $urltitle );
		}

		$result = $n->getElementsByTagname('lobdescription');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobDescription', trim($children->item(0)->nodeValue) );
		}


		$result = $n->getElementsByTagname('subtype');
		$node = $result->item(0);
		if (is_object($node) ){
			$children = $node->childNodes;
			$lob->set('lobSubType', trim($children->item(0)->nodeValue) );
		}

 */

		return $lob;
	}


	function tempdir($dir, $prefix='', $mode=0700) {
		if (substr($dir, -1) != '/') $dir .= '/';

		do {
			$path = $dir.$prefix.mt_rand(0, 9999999);
		} while (!mkdir($path, $mode));

		return $path;
	}
}
?>

Thread: [Logicampus-cvs] logicampus/src/logicreate/services/classmgr restoreBackup.lcp, NONE, 1.1

logicampus-cvs