/**
* Generates the cache for the given files.
*
* @access protected
* @param string $type
* @param string $fileName
* @return false|string
*/
protected function buildFileCache($type, $fileName)
{
if (!file_exists($fileName)) {
return false;
}
// Load the content
$content = $this->fileBackend->loadFromFile($fileName);
// Optimze the content
$content = $this->optimizeContent($type, $fileName, $content);
// Minify the content, if possible and activated
if (($type === AssetManager::CSS || $type === AssetManager::JS) && $this->minifyAssets) {
$content = $this->minifyContent($type, $content);
}
// Generate the new file name
$fileInfo = pathinfo($fileName);
$hash = $this->getHash($fileName);
$version = $fileInfo['filename'] . '-' . uniqid() . '.' . $fileInfo['extension'];
$targetFile = $this->buildFilePath($type, $hash, $version);
// Save the cached file
$this->removeOldCacheFile($fileName);
$this->fileBackend->saveToFile($content, $targetFile);
// Save the cached files in the data array
$this->cachedFiles[$hash] = array('file' => $targetFile, 'checksum' => md5_file($fileName), 'timestamp' => time());
$this->saveAssetsCache();
return $targetFile;
}
