private static function migrateFrom09To091()
{
// Get all items...
$itemService = \taoItems_models_classes_ItemsService::singleton();
$itemClass = $itemService->getRootClass();
foreach ($itemClass->getInstances(true) as $item) {
if ($itemService->hasItemModel($item, array(TAO_ITEM_MODEL_QTI))) {
$path = $itemService->getDefaultItemFolder($item);
$qtiXml = $itemService->getItemContent($item);
if (empty($qtiXml) === false) {
$qtiDom = new \DOMDocument('1.0', 'UTF-8');
$qtiDom->loadXML($qtiXml);
// Get all stylesheet hrefs.
$hrefs = Utils::getStylesheetHrefs($qtiDom);
// Make sure the hrefs are refering existing files.
for ($i = 0; $i < count($hrefs); $i++) {
$href = $hrefs[$i];
if (is_readable($path . $href) === false) {
\common_Logger::i("The stylesheet->href '{$path}.{$href}' does not reference an existing file. Trying to repair...");
// Let's try with another name...
$pathinfo = pathinfo($href);
$altFileName = \tao_helpers_File::getSafeFileName($pathinfo['basename']);
$dirSep = $pathinfo['dirname'] !== '.' ? $pathInfo['dirname'] . DIRECTORY_SEPARATOR : '';
$altPath = $path . $dirSep . $altFileName;
if (is_readable($altPath)) {
// Bingo! We rebind.
$hrefs[$i] = $dirSep . $altFileName;
\common_Logger::i("Repaired with new href '{$dirSep}.{$altFileName}}'.");
} else {
// It's definitely broken...
unset($hrefs[$i]);
\common_Logger::i("Could not be repaired! QTI stylesheet component removed from item.");
}
}
}
// Reput them in the item with cleanup enabled
// to solve the XMLSchema validation issue.
if (count($hrefs) > 0) {
$href = array_shift($hrefs);
Utils::appendStylesheet($qtiDom, $href, true);
}
// Append the rest of the stylesheets.
foreach ($hrefs as $href) {
Utils::appendStylesheet($qtiDom, $href);
}
$itemService->setItemContent($item, $qtiDom->saveXML());
}
}
}
}
/**
* @dataProvider getStylesheetHrefsProvider
*/
public function testGetStylesheetHrefs(\DOMDocument $doc, array $expected)
{
$this->assertEquals($expected, Utils::getStylesheetHrefs($doc));
}