/**
* @param string $topicSlug
* @param int $topicId
*
* @return \Illuminate\Http\RedirectResponse
*
* @throws \Exception
*/
public function undo($topicSlug, $topicId)
{
$topic = $this->topicRepository->find($topicId);
if (!$topic) {
throw new TopicNotFoundException();
}
if (!$topic->has_poll) {
throw new PollNotFoundException();
}
$poll = $topic->poll;
$pollPresenter = app()->make('MyBB\\Core\\Presenters\\Poll', [$poll]);
if (!$this->guard->check()) {
throw new PollNoGuestUndoException();
}
if ($pollPresenter->is_closed) {
throw new PollClosedException();
}
$vote = $this->pollVoteRepository->findForUserPoll($this->guard->user(), $poll);
if (!$vote) {
// Error
throw new PollNoUndoException();
}
$votes = explode(',', $vote->vote);
$options = $pollPresenter->options();
foreach ($votes as $option) {
if (is_numeric($option) && 0 < $option && $option <= $pollPresenter->num_options()) {
$options[$option - 1]['votes']--;
}
}
$poll->update(['options' => $options]);
$vote->delete();
return redirect()->route('polls.show', [$topicSlug, $topicId]);
}
/**
* @return mixed
*/
public function myVote()
{
if (!isset($this->cache['myVote'])) {
if ($this->guard->check()) {
$this->cache['myVote'] = $this->pollVoteRepository->findForUserPoll($this->guard->user(), $this->wrappedObject);
} else {
$this->cache['myVote'] = null;
}
}
return $this->cache['myVote'];
}
/**
* Remove the poll
*
* @param Poll $poll
*
* @return bool
*/
public function remove(Poll $poll)
{
$this->dbManager->transaction(function () use(&$poll) {
$this->pollVoteRepository->removeAllByPoll($poll);
$poll->delete();
});
if ($poll) {
return false;
} else {
return true;
}
}
