public function actionView($id, $nocache = true)
{
$filename = Yii::$app->fileStorage->get($id, $nocache);
Yii::$app->response->format = Response::FORMAT_RAW;
Yii::$app->response->headers->add('Content-type', FileHelper::getMimeType($filename));
return file_get_contents($filename);
}
/**
* Gets the path of the file with $id
*
* Method downloads the requested file from the API and saves it to the local machine.
* Method respects authentication and access rules.
*
* @param integer|File $file the ID of the file, or the [[File]] model.
* When model is passed, no additional query will be performed.
* @param bool $overrideCache whether the cache must be invalidated
* @return string full path to the file. File is located under the [[directory]]
* @throws Exception when fails to save file locally
* @throws ForbiddenHttpException when file is not available to client due to policies
*/
public function get($file, $overrideCache = false)
{
if (!$file instanceof $this->fileModelClass) {
$file = $this->getFileModel($file, $overrideCache);
}
$path = FileHelper::getPrefixedPath($this->directory, static::buildHash($file->md5));
if (!is_file($path) || $overrideCache) {
$content = $file::perform('Get', ['id' => $file->id]);
if (!FileHelper::createDirectory(dirname($path))) {
throw new \yii\base\Exception("Failed to create directory");
}
if (!file_put_contents($path, $content)) {
throw new \yii\base\Exception("Failed to create local file");
}
}
$cache = $this->getCache();
$key = $this->buildCacheKey($file->id);
$cache->set($key, $file, 0);
return $path;
}
private function getContentType($id)
{
$path = $this->fileStorage->get($id);
return FileHelper::getMimeType($path);
}
