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phorge/src/applications/slowvote/controller/PhabricatorSlowvoteVoteController.php
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PhabricatorSlowvoteVoteController.php
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<?php
final class PhabricatorSlowvoteVoteController
extends PhabricatorSlowvoteController {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$id = $request->getURIData('id');
if (!$request->isFormPost()) {
return id(new Aphront404Response());
}
$poll = id(new PhabricatorSlowvoteQuery())
->setViewer($viewer)
->withIDs(array($id))
->needOptions(true)
->needViewerChoices(true)
->executeOne();
if (!$poll) {
return new Aphront404Response();
}
if ($poll->isClosed()) {
return new Aphront400Response();
}
$options = $poll->getOptions();
$options = mpull($options, null, 'getID');
$old_votes = $poll->getViewerChoices($viewer);
$old_votes = mpull($old_votes, null, 'getOptionID');
$votes = $request->getArr('vote');
$votes = array_fuse($votes);
$method = $poll->getMethod();
$is_plurality = ($method == SlowvotePollVotingMethod::METHOD_PLURALITY);
if (!$votes) {
if ($is_plurality) {
$message = pht('You must vote for something.');
} else {
$message = pht('You must vote for at least one option.');
}
return $this->newDialog()
->setTitle(pht('Stand For Something'))
->appendParagraph($message)
->addCancelButton($poll->getURI());
}
if ($is_plurality && count($votes) > 1) {
throw new Exception(
pht('In this poll, you may only vote for one option.'));
}
foreach ($votes as $vote) {
if (!isset($options[$vote])) {
throw new Exception(
pht(
'Option ("%s") is not a valid poll option. You may only '.
'vote for valid options.',
$vote));
}
}
$poll->openTransaction();
$poll->beginReadLocking();
$poll->reload();
$old_votes = id(new PhabricatorSlowvoteChoice())->loadAllWhere(
'pollID = %d AND authorPHID = %s',
$poll->getID(),
$viewer->getPHID());
$old_votes = mpull($old_votes, null, 'getOptionID');
foreach ($old_votes as $old_vote) {
if (idx($votes, $old_vote->getOptionID())) {
continue;
}
$old_vote->delete();
}
foreach ($votes as $vote) {
if (idx($old_votes, $vote)) {
continue;
}
id(new PhabricatorSlowvoteChoice())
->setAuthorPHID($viewer->getPHID())
->setPollID($poll->getID())
->setOptionID($vote)
->save();
}
$poll->endReadLocking();
$poll->saveTransaction();
return id(new AphrontRedirectResponse())
->setURI($poll->getURI());
}
}

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