/**
* Create a tree of self-sustainable files and return the topmost source file,
* ready for passing to 3rd party library
*
* @param Chain $chain
* @return string Absolute path of generated topmost source file
*/
public function generateFileTree(Chain $chain)
{
/**
* wait if generation process has already started
*/
while ($this->isProcessLocked()) {
sleep(1);
}
$lockFilePath = $this->config->getMaterializationRelativePath() . '/' . self::LOCK_FILE;
$this->tmpDirectory->writeFile($lockFilePath, time());
$this->magentoImportProcessor->process($chain);
$this->importProcessor->process($chain);
$this->relatedGenerator->generate($this->importProcessor);
$contentType = $chain->getContentType();
$relativePath = preg_replace('#\\.css$#', '.' . $contentType, $chain->getAsset()->getPath());
$tmpFilePath = $this->temporaryFile->createFile($relativePath, $chain->getContent());
$this->tmpDirectory->delete($lockFilePath);
return $tmpFilePath;
}
