/**
* Forces image caching and returns path to cached image.
*
* @param string $basePath Deprecated parameter
* @param string $path
* @param string $filter
* @param boolean $force
* @param string $saveAs
*
* @return string|null
*
* @throws RuntimeException
*/
public function cacheImage($basePath, $path, $filter, $force = false, $saveAs = null)
{
$path = '/' . ltrim($path, '/');
$saveAs = $saveAs ? '/' . ltrim($saveAs, '/') : $path;
// if cache path cannot be determined, return 404
if (!($cachedPath = $this->cachePathResolver->getCachedPath($saveAs, $filter))) {
return null;
}
// if the file has already been cached, just return path
if (!$force && is_file($cachedPath)) {
return $cachedPath;
}
if (!($sourcePath = $this->cachePathResolver->getRealPath($path, $filter))) {
return null;
}
$this->ensureDirectoryExists($cachedPath);
try {
$image = $this->imagine->open($sourcePath);
} catch (RuntimeException $e) {
try {
// Make sure source path is an image
new ImageFile($sourcePath, false);
// Do not pollute the space (don't copy anything; symlink is just fine)
$this->filesystem->symlink($sourcePath, $cachedPath);
} catch (RuntimeException $e) {
return null;
} catch (IOException $e) {
// In case we were not able to create symlink we should return source path.
// This means we'll be back here, but at least we'll not be polluting space with useless copies.
return $sourcePath;
}
return $cachedPath;
}
$options = ['quality' => $this->filterManager->getOption($filter, 'quality', $this->defaultQuality), 'format' => $this->filterManager->getOption($filter, 'format', null)];
// Important! optipng filter returns an instance of ImageAssetWrapper.
/** @var ImageInterface|ImageAssetWrapper $image */
$image = $this->filterManager->getFilter($filter)->apply($image);
/** @var resource $context */
if ($context = $this->findStreamContext($cachedPath, $filter)) {
$tmpPath = tempnam(sys_get_temp_dir(), 'avalanche-cache-manager-proxy-');
$image->save($tmpPath, $options);
copy($tmpPath, $cachedPath, $context);
unlink($tmpPath);
} else {
$image->save($cachedPath, $options);
}
$this->ensureFilePermissions($cachedPath);
return $cachedPath;
}
