gnu-social/plugins/Poll/Controller/AnswerPoll.php

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<?php
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace Plugin\Poll\Controller;
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use App\Core\DB\DB;
use App\Entity\Poll;
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use App\Entity\PollResponse;
use App\Util\Common;
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use App\Util\Exception\InvalidFormException;
use App\Util\Exception\NotFoundException;
use App\Util\Exception\RedirectException;
use App\Util\Exception\ServerException;
use Plugin\Poll\Forms\PollResponseForm;
use Symfony\Component\HttpFoundation\Request;
/**
* Respond to a Poll
*
* @package GNUsocial
* @category PollPlugin
*
* @author Daniel Brandao <up201705812@fe.up.pt>
* @copyright 2020 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class AnswerPoll
{
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/**
* Handle poll response
*
* @param Request $request
* @param string $id poll id
*
* @throws InvalidFormException invalid form
* @throws NotFoundException poll does not exist
* @throws RedirectException
* @throws ServerException User already responded to poll
* @throws \App\Util\Exception\NoLoggedInUser User is not logged in
*
* @return array template
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*/
public function answerPoll(Request $request, string $id)
{
$user = Common::ensureLoggedIn();
$poll = Poll::getFromId((int) $id);
if ($poll == null) {
throw new NotFoundException('Poll does not exist');
}
$question = $poll->getQuestion();
$opts = $poll->getOptionsArr();
$form = PollResponseForm::make($opts);
$form->handleRequest($request);
if ($form->isSubmitted()) {
if ($form->isValid()) {
$data = $form->getData();
$selection = array_values($data)[1];
if (!$poll->isValidSelection($selection)) {
throw new InvalidFormException();
}
if (PollResponse::exits($poll->getId(), $user->getId())) {
throw new ServerException('User already responded to poll');
}
$pollResponse = PollResponse::create(['poll_id' => $poll->getId(), 'gsactor_id' => $user->getId(), 'selection' => $selection]);
DB::persist($pollResponse);
DB::flush();
throw new RedirectException('showpoll', ['id' => $poll->getId()]);
} else {
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throw new InvalidFormException();
}
}
return ['_template' => 'Poll/respondpoll.html.twig', 'question' => $question, 'form' => $form->createView()];
}
}