/**
* @return \yii\db\ActiveQuery
*/
public function getParentContentMedia()
{
return $this->hasOne(CmsContentMedia::className(), ['id' => 'parent_content_media_id']);
}
/**
* display a thumbnail version for the media browser.
* Generate it if none could be found in thumbnail repository
* @menuLabel __HIDDEN__
* @param integer $mediaItemId
* @throws NotFoundHttpException
*/
public function actionThumbnail($mediaItemId)
{
$mediaItemId = intval($mediaItemId);
$isWebaccessableFile = false;
/**
* @var $cmsContentMedia CmsContentMedia
*/
$cmsContentMedia = CmsContentMedia::findOne($mediaItemId);
if ($cmsContentMedia == null) {
// TODO: do logging, maybe inform admin and display failure image instead
throw new NotFoundHttpException('Media item could not be found', 404);
}
//check if thumbnail folder exists
if (!is_dir($this->module->getThumbnailRepostoryPath())) {
if (!mkdir($this->module->getThumbnailRepostoryPath(), 0777, true)) {
throw new \Exception('Thumbnail folder not found and automatic generation failed. Check access rights for base folder.');
}
}
// check if thumbnail exists
$filePath = FileHelper::normalizePath($this->module->getThumbnailRepostoryPath() . DIRECTORY_SEPARATOR . $this->getThumbnailFileName($cmsContentMedia));
if (!file_exists($filePath)) {
// generate thumbnail
$filePath = $this->createThumbnail($cmsContentMedia, MediaController::$MEDIA_THUMBNAIL_WIDTH, MediaController::$MEDIA_THUMBNAIL_HEIGHT);
if (!$filePath) {
throw new \Exception('Thumbnail not found, but automatic generation failed.');
}
}
$webRootFolder = Yii::getAlias('@webroot');
$isWebaccessableFile = stripos($filePath, $webRootFolder) === 0;
// check if item is in web folder, then redirect, or send file instead if not
if ($isWebaccessableFile) {
$webPath = substr($filePath, strlen($webRootFolder));
Yii::$app->response->redirect($webPath);
} else {
Yii::$app->response->sendFile($filePath, $cmsContentMedia->file_name, ['mimeType' => $cmsContentMedia->mime_type, 'inline' => true])->send();
}
}
