/**
* Update all the item files found within the $itemRootPath
* @param boolean $changeItemContent - tells if the item files will be written with the updated content or not
* @return array of modified item instances
*/
public function update($changeItemContent = false)
{
$returnValue = array();
$objects = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->itemPath), RecursiveIteratorIterator::SELF_FIRST);
$i = 0;
$fixed = 0;
foreach ($objects as $itemFile => $cursor) {
if (is_file($itemFile)) {
$this->checkedFiles[$itemFile] = false;
if (basename($itemFile) === 'qti.xml') {
$i++;
$xml = new \DOMDocument();
$xml->load($itemFile);
$parser = new ParserFactory($xml);
$item = $parser->load();
\common_Logger::i('checking item #' . $i . ' id:' . $item->attr('identifier') . ' file:' . $itemFile);
if ($this->updateItem($item, $itemFile)) {
$this->checkedFiles[$itemFile] = true;
$returnValue[$itemFile] = $item;
\common_Logger::i('fixed required for #' . $i . ' id:' . $item->attr('identifier') . ' file:' . $itemFile);
if ($changeItemContent) {
$fixed++;
\common_Logger::i('item fixed #' . $i . ' id:' . $item->attr('identifier') . ' file:' . $itemFile);
file_put_contents($itemFile, $item->toXML());
}
}
}
}
}
\common_Logger::i('total item fixed : ' . $fixed);
return $returnValue;
}
/**
* load the file content, parse it and build the a QTI_Item instance
*
* @access public
* @author Jerome Bogaerts, <*****@*****.**>
* @param boolean resolveXInclude
* @return \oat\taoQtiItem\model\qti\Item
*/
public function load($resolveXInclude = false)
{
$returnValue = null;
if (!$this->valid) {
libxml_use_internal_errors(true);
//retrieve errors if no validation has been done previously
}
//load it using the DOMDocument library
$xml = new DOMDocument();
switch ($this->sourceType) {
case self::SOURCE_FILE:
$xml->load($this->source);
break;
case self::SOURCE_URL:
$xmlContent = tao_helpers_Request::load($this->source, true);
$xml->loadXML($xmlContent);
break;
case self::SOURCE_STRING:
$xml->loadXML($this->source);
break;
}
if ($xml !== false) {
$basePath = '';
if ($this->sourceType == self::SOURCE_FILE || $this->sourceType == self::SOURCE_URL) {
$basePath = dirname($this->source) . '/';
}
//build the item from the xml
$parserFactory = new ParserFactory($xml, $basePath);
try {
$returnValue = $parserFactory->load();
} catch (UnsupportedQtiElement $e) {
$this->addError($e);
}
if (!$this->valid) {
$this->valid = true;
libxml_clear_errors();
}
} else {
if (!$this->valid) {
$this->addErrors(libxml_get_errors());
libxml_clear_errors();
}
}
return $returnValue;
}
