public function actionVoting()
{
$token = Yii::$app->session->get('token', null);
if (!$token) {
return $this->redirect(['index']);
} else {
// display the form from the poll options
// get code through the token
$code = Code::findCodeByToken($token);
// check again if its not used etc.
if ($code->checkCode()) {
// display the form when code is not used and valid
$model = new VotingForm($code);
$success = false;
if (Yii::$app->request->post($model->formName())) {
$model->load(Yii::$app->request->post());
if ($model->validate()) {
// save the vote and selected options
$transaction = \Yii::$app->db->beginTransaction();
try {
$vote = new Vote();
$vote->code_id = $code->id;
if ($vote->save()) {
// save selected options if there are any submitted, votes without options selected could also be done.
if (is_array($model->options)) {
foreach ($model->options as $optionId) {
$option = $model->getOptionById($optionId);
$vote->link('options', $option);
/*if (!$vote->link('options', $option)) {
throw new \Exception("Option couldn't be linked to vote", 1);
}*/
}
}
$code->code_status = Code::CODE_STATUS_USED;
if (!$code->save()) {
if ($code->getErrors()) {
Yii::$app->getSession()->addFlash('error', Html::errorSummary($code, $options = ['header' => Yii::t('app/error', 'Failed to save due to error:')]));
}
throw new \Exception(Yii::t('app/error', "Code Couldn't be saved "), 1);
}
} else {
if ($vote->getErrors()) {
Yii::$app->getSession()->addFlash('error', Html::errorSummary($vote, $options = ['header' => Yii::t('app/error', 'Failed to save due to error:')]));
}
throw new \Exception(Yii::t('app/error', "Vote Couldn't be saved "), 1);
}
$transaction->commit();
$success = true;
} catch (\Exception $e) {
$transaction->rollBack();
Yii::warning('There was an error on saving a vote: ' . $e->getMessage());
if (!Yii::$app->getSession()->hasFlash('error')) {
Yii::$app->getSession()->addFlash('error', $e->getMessage());
}
//throw new HttpException(400, 'There was an error on saving a vote: '.$e->getMessage());
}
}
}
if ($success) {
// remove the token
Yii::$app->session->remove('token');
return $this->render('voting_success');
} else {
return $this->render('voting', ['show_form' => true, 'model' => $model]);
}
} else {
Yii::$app->session->remove('token');
Yii::$app->getSession()->setFlash('token-error', $code->getErrors('token')[0]);
}
}
return $this->render('voting', ['show_form' => false, 'model' => null]);
}
