public function actionAddAnswer()
{
$questionId = Yii::$app->request->post('questionId');
$content = Yii::$app->request->post('content');
$answeredUserId = Yii::$app->request->post('answeredUserId');
$answerUserId = Yii::$app->user->id;
$model = new Answer();
if ($model->addData($questionId, $content, $answerUserId, $answeredUserId)) {
echo Json::encode('true');
return;
} else {
echo Json::encode('false');
return;
}
}
