/**
* @param $item
* @param $manifest
* @return array
* @throws Exception
*/
private function createZipArchive($item, $manifest = null)
{
$path = sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid('test_') . '.zip';
$zipArchive = new ZipArchive();
if ($zipArchive->open($path, ZipArchive::CREATE) !== true) {
throw new Exception('Unable to create archive at ' . $path);
}
if ($this->itemService->hasItemModel($item, array(ItemModel::MODEL_URI))) {
$exporter = new QTIPackedItemExporter($item, $zipArchive, $manifest);
$exporter->export();
$manifest = $exporter->getManifest();
}
$this->assertTrue($this->itemService->hasItemModel($item, array(ItemModel::MODEL_URI)));
$this->assertNotNull($manifest);
$this->assertEquals(ZipArchive::ER_OK, $zipArchive->status, $zipArchive->getStatusString());
$zipArchive->close();
$this->assertTrue(file_exists($path), 'could not find path ' . $path);
$this->exportedZips[] = $path;
return array($path, $manifest);
}
/**
* render an item as a Qti zip package
* @author christophe GARCIA <*****@*****.**>
*/
public function export()
{
try {
if ($this->getRequestMethod() != Request::HTTP_GET) {
throw new \common_exception_NotImplemented('Only GET method is accepted to export QIT Item.');
}
if (!$this->hasRequestParameter('id')) {
$this->returnFailure(new \common_exception_MissingParameter('required parameter `id` is missing'));
}
$id = $this->getRequestParameter('id');
$item = new \core_kernel_classes_Resource($id);
$itemService = \taoItems_models_classes_ItemsService::singleton();
if ($itemService->hasItemModel($item, array(ItemModel::MODEL_URI))) {
$path = \tao_helpers_Export::getExportFile();
$tmpZip = new \ZipArchive();
$tmpZip->open($path, \ZipArchive::CREATE);
$exporter = new QTIPackedItemExporter($item, $tmpZip);
$exporter->export(array('apip' => false));
$exporter->getZip()->close();
header('Content-Type: application/zip');
\tao_helpers_Http::returnFile($path, false);
return;
} else {
$this->returnFailure(new \common_exception_NotFound('item can\'t be found'));
}
} catch (\Exception $e) {
$this->returnFailure($e);
}
}
/**
* (non-PHPdoc)
* @see tao_models_classes_export_ExportHandler::export()
*/
public function export($formValues, $destination)
{
$file = null;
if (isset($formValues['filename'])) {
$instances = $formValues['instances'];
if (count($instances) > 0) {
$itemService = taoItems_models_classes_ItemsService::singleton();
$fileName = $formValues['filename'] . '_' . time() . '.zip';
$path = tao_helpers_File::concat(array($destination, $fileName));
if (!tao_helpers_File::securityCheck($path, true)) {
throw new Exception('Unauthorized file name');
}
$zipArchive = new ZipArchive();
if ($zipArchive->open($path, ZipArchive::CREATE) !== true) {
throw new Exception('Unable to create archive at ' . $path);
}
$manifest = null;
foreach ($instances as $instance) {
$item = new core_kernel_classes_Resource($instance);
if ($itemService->hasItemModel($item, array(ItemModel::MODEL_URI))) {
$exporter = new QTIPackedItemExporter($item, $zipArchive, $manifest);
$exporter->export();
$manifest = $exporter->getManifest();
}
}
$zipArchive->close();
$file = $path;
}
} else {
common_Logger::w('Missing filename for export using ' . __CLASS__);
}
return $file;
}
public function buildBasePath()
{
$basePath = parent::buildBasePath();
return 'items/' . $basePath;
}
