/**
* Function that unassigns a media file from an object. Since it is not
* possible to put a controller in an action, you have to wrap this
* function in one of your own actions.
* @param id the id of the parent model
* @param mediafile the id of the media file
*/
public function unassignMediafile($id, $mediafile)
{
$class = $this->modelClass;
$model = $class::findOne($id);
if (null === $model) {
throw new NotFoundHttpException(MediafileModule::t('mediafile', 'No such model.'));
}
$mediafile = Mediafile::findOne($mediafile);
if (null !== $mediafile) {
$model->removeMediafile($mediafile);
}
}
public function actionUpdate($id)
{
$model = Mediafile::findOne($id);
if (!$model) {
throw new NotFoundHttpException(Yii::t('mediafile', 'File not found.'));
}
if (Yii::$app->request->isPost) {
$model->attributes = Yii::$app->request->post('Mediafile');
$model->file = UploadedFile::getInstance($model, 'file');
// First figure out the mime type. We need to do this before
// validating the model.
if ($model->file) {
$mediafileType = Mediafiletype::findOne(['mimetype' => $model->file->type]);
if ($mediafileType) {
$model->mediafiletypeid = $mediafileType->id;
}
}
// Save file contents to disk.
if ($model->file && $model->validate()) {
// Create the directory if it does not exist yet.
$directory = preg_replace('/\\/[^\\/]+$/', '', $model->filePath);
if (!file_exists($directory)) {
$success = @mkdir($directory, 0755, true);
if (!$success) {
Yii::error("Unable to create directory {$directory}");
throw new HttpException(500, "Unable to create directory for file upload.");
}
}
// Convert all images to PNG and save the data to disk.
if (preg_match('/^image\\//', $model->file->type)) {
$converter = new ImageToPngConverter();
$converter->setPath($model->file->tempName);
$converter->setType($model->file->type);
$converter->convert();
$fileHandle = @fopen($model->filePath, 'w');
if (!$fileHandle) {
throw new Exception("Unable to save file data to " . $this->filePath);
}
if (false === fwrite($fileHandle, $converter->getPngData())) {
throw new Exception("Unable to write file data to " . $this->filePath);
}
} else {
if (!copy($model->file->tempName, $model->filePath)) {
Yii::error("Unable to write to file " . $model->getFilePath);
throw new HttpException(500, "Unable to copy uploaded file to destination.");
}
}
@chmod($model->filePath, 0755);
}
}
return $this->render('@icalab/mediafile/views/mediafile/update', ['model' => $model]);
}
