/**
* Process document and write the result in the document cache.
*
* When the original document is required, create either a symbolic link with the
* original document in the cache dir, or copy it in the cache dir if it's not already done.
*
* This method updates the cache_file_path and file_url attributes of the event
*
* @param DocumentEvent $event Event
*
* @throws \Thelia\Exception\DocumentException
* @throws \InvalidArgumentException , DocumentException
*/
public function processDocument(DocumentEvent $event)
{
$subdir = $event->getCacheSubdirectory();
$sourceFile = $event->getSourceFilepath();
if (null == $subdir || null == $sourceFile) {
throw new \InvalidArgumentException("Cache sub-directory and source file path cannot be null");
}
$originalDocumentPathInCache = $this->getCacheFilePath($subdir, $sourceFile, true);
if (!file_exists($originalDocumentPathInCache)) {
if (!file_exists($sourceFile)) {
throw new DocumentException(sprintf("Source document file %s does not exists.", $sourceFile));
}
$mode = ConfigQuery::read('original_document_delivery_mode', 'symlink');
if ($mode == 'symlink') {
if (false == symlink($sourceFile, $originalDocumentPathInCache)) {
throw new DocumentException(sprintf("Failed to create symbolic link for %s in %s document cache directory", basename($sourceFile), $subdir));
}
} else {
// mode = 'copy'
if (false == @copy($sourceFile, $originalDocumentPathInCache)) {
throw new DocumentException(sprintf("Failed to copy %s in %s document cache directory", basename($sourceFile), $subdir));
}
}
}
// Compute the document URL
$documentUrl = $this->getCacheFileURL($subdir, basename($originalDocumentPathInCache));
// Update the event with file path and file URL
$event->setDocumentPath($documentUrl);
$event->setDocumentUrl(URL::getInstance()->absoluteUrl($documentUrl, null, URL::PATH_TO_FILE));
}
