public function actionView($id)
{
/**
* @var Document $model
*/
$model = Document::findOne(['id' => $id]);
if (null === $model) {
throw new HttpException(404);
}
$attachments = $model->getAttachments()->all();
return $this->render("view", ["model" => $model, "attachments" => $attachments]);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getDocument()
{
return $this->hasOne(Document::className(), ['id' => 'document_id']);
}