440 lines
11 KiB
PHP
440 lines
11 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2017 Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
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*
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* @author Vinzenz Rosenkranz <vinzenz.rosenkranz@gmail.com>
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* @author René Gieling <github@dartcafe.de>
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* @author Inigo Jiron <ijiron@terpmail.umd.edu>
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* @author Natalie Gilbert
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* @author Affan Hussain
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Forms\Controller;
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use OCA\Forms\AppInfo\Application;
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use OCA\Forms\Db\Event;
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use OCA\Forms\Db\EventMapper;
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use OCA\Forms\Db\Vote;
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use OCA\Forms\Db\VoteMapper;
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use OCA\Forms\Db\AnswerMapper;
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use OCA\Forms\Db\QuestionMapper;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Db\DoesNotExistException;
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use OCP\AppFramework\Http\ContentSecurityPolicy;
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use OCP\AppFramework\Http\RedirectResponse;
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use OCP\AppFramework\Http\TemplateResponse;
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use OCP\IGroupManager;
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use OCP\IRequest;
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use OCP\IURLGenerator;
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use OCP\IUserManager;
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use OCP\User; //To do: replace according to API
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use OCP\Util;
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class PageController extends Controller {
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private $userId;
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private $eventMapper;
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private $notificationMapper;
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private $voteMapper;
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private $questionMapper;
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private $answerMapper;
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private $urlGenerator;
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private $userMgr;
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private $groupManager;
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public function __construct(
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IRequest $request,
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IUserManager $userMgr,
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IGroupManager $groupManager,
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IURLGenerator $urlGenerator,
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$userId,
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EventMapper $eventMapper,
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QuestionMapper $questionMapper,
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AnswerMapper $answerMapper,
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VoteMapper $VoteMapper
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) {
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parent::__construct(Application::APP_ID, $request);
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$this->userMgr = $userMgr;
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$this->groupManager = $groupManager;
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$this->urlGenerator = $urlGenerator;
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$this->userId = $userId;
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$this->eventMapper = $eventMapper;
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$this->questionMapper = $questionMapper;
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$this->answerMapper = $answerMapper;
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$this->voteMapper = $VoteMapper;
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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*/
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public function index() {
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return new TemplateResponse('forms', 'forms.tmpl',
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['urlGenerator' => $this->urlGenerator]);
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}
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/**
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* @NoAdminRequired
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*/
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public function createForm() {
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return new TemplateResponse('forms', 'forms.tmpl',
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['urlGenerator' => $this->urlGenerator]);
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}
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/**
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* @NoAdminRequired
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*/
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public function cloneForm() {
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return new TemplateResponse('forms', 'forms.tmpl',
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['urlGenerator' => $this->urlGenerator]);
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}
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/**
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* @NoAdminRequired
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* @param string $hash
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* @return TemplateResponse
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*/
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public function editForm($hash) {
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return new TemplateResponse('forms', 'forms.tmpl', [
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'urlGenerator' => $this->urlGenerator,
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'hash' => $hash
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]);
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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* @PublicPage
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* @param string $hash
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* @return TemplateResponse
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*/
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public function gotoForm($hash) {
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try {
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$form = $this->eventMapper->findByHash($hash);
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} catch (DoesNotExistException $e) {
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return new TemplateResponse('forms', 'no.acc.tmpl', []);
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}
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if ($form->getExpire() === null) {
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$expired = false;
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} else {
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$expired = time() > strtotime($form->getExpire());
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}
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if ($expired) {
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return new TemplateResponse('forms', 'expired.tmpl');
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}
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if ($this->hasUserAccess($form)) {
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$renderAs = $this->userId !== null ? 'user' : 'public';
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$res = new TemplateResponse('forms', 'vote.tmpl', [
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'form' => $form,
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'questions' => $this->getQuestions($form->getId()),
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], $renderAs);
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$csp = new ContentSecurityPolicy();
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$csp->allowEvalScript(true);
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$res->setContentSecurityPolicy($csp);
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return $res;
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} else {
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User::checkLoggedIn();
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return new TemplateResponse('forms', 'no.acc.tmpl', []);
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}
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}
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public function getQuestions($formId) {
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$questionList = array();
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try{
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$questions = $this->questionMapper->findByForm($formId);
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foreach ($questions as $questionElement) {
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$temp = $questionElement->read();
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$temp['answers'] = $this->getAnswers($formId, $temp['id']);
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$questionList[] = $temp;
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}
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} catch (DoesNotExistException $e) {
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//handle silently
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}finally{
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return $questionList;
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}
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}
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public function getAnswers($formId, $questionId) {
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$answerList = array();
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try{
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$answers = $this->answerMapper->findByForm($formId, $questionId);
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foreach ($answers as $answerElement) {
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$answerList[] = $answerElement->read();
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}
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} catch (DoesNotExistException $e) {
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//handle silently
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}finally{
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return $answerList;
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}
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}
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/**
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* @NoAdminRequired
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* @param int $formId
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* @return TemplateResponse|RedirectResponse
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*/
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public function deleteForm($formId) {
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$formToDelete = $this->eventMapper->find($formId);
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if ($this->userId !== $formToDelete->getOwner() && !$this->groupManager->isAdmin($this->userId)) {
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return new TemplateResponse('forms', 'no.delete.tmpl');
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}
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$form = new Event();
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$form->setId($formId);
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$this->voteMapper->deleteByForm($formId);
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$this->eventMapper->delete($form);
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$url = $this->urlGenerator->linkToRoute('forms.page.index');
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return new RedirectResponse($url);
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}
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/**
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* @NoAdminRequired
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* @PublicPage
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* @param int $formId
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* @param string $userId
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* @param string $answers
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* @param string $options question id
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* @param bool $receiveNotifications
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* @param bool $changed
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* @return RedirectResponse
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*/
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public function insertVote($id, $userId, $answers, $questions) {
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$form = $this->eventMapper->find($id);
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$count_answers = count($answers);
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$count = 1;
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$anonID = "anon-user-". hash('md5', (time() + rand()));
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for ($i = 0; $i < $count_answers; $i++) {
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if($questions[$i]['type'] == "checkbox"){
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foreach (($answers[$questions[$i]['text']]) as $value) {
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$vote = new Vote();
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$vote->setFormId($id);
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if($form->getIsAnonymous()){
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$vote->setUserId($anonID);
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}else{
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$vote->setUserId($userId);
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}
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$vote->setVoteOptionText(htmlspecialchars($questions[$i]['text']));
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$vote->setVoteAnswer($value);
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$vote->setVoteOptionId($count);
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$vote->setVoteOptionType($questions[$i]['type']);
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$this->voteMapper->insert($vote);
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}
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$count++;
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} else {
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$vote = new Vote();
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$vote->setFormId($id);
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if($form->getIsAnonymous()){
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$vote->setUserId($anonID);
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}else{
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$vote->setUserId($userId);
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}
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$vote->setVoteOptionText(htmlspecialchars($questions[$i]['text']));
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$vote->setVoteAnswer($answers[$questions[$i]['text']]);
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$vote->setVoteOptionId($count++);
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$vote->setVoteOptionType($questions[$i]['type']);
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$this->voteMapper->insert($vote);
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}
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}
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$hash = $form->getHash();
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$url = $this->urlGenerator->linkToRoute('forms.page.goto_form', ['hash' => $hash]);
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return new RedirectResponse($url);
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}
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/**
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* @NoAdminRequired
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* @param string $searchTerm
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* @param string $groups
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* @param string $users
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* @return array
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*/
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public function search($searchTerm, $groups, $users) {
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return array_merge($this->searchForGroups($searchTerm, $groups), $this->searchForUsers($searchTerm, $users));
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}
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/**
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* @NoAdminRequired
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* @param string $searchTerm
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* @param string $groups
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* @return array
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*/
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public function searchForGroups($searchTerm, $groups) {
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$selectedGroups = json_decode($groups);
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$groups = $this->groupManager->search($searchTerm);
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$gids = array();
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$sgids = array();
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foreach ($selectedGroups as $sg) {
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$sgids[] = str_replace('group_', '', $sg);
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}
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foreach ($groups as $g) {
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$gids[] = $g->getGID();
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}
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$diffGids = array_diff($gids, $sgids);
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$gids = array();
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foreach ($diffGids as $g) {
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$gids[] = ['gid' => $g, 'isGroup' => true];
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}
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return $gids;
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}
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/**
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* @NoAdminRequired
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* @param string $searchTerm
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* @param string $users
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* @return array
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*/
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public function searchForUsers($searchTerm, $users) {
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$selectedUsers = json_decode($users);
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Util::writeLog('forms', print_r($selectedUsers, true), Util::ERROR);
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$userNames = $this->userMgr->searchDisplayName($searchTerm);
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$users = array();
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$sUsers = array();
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foreach ($selectedUsers as $su) {
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$sUsers[] = str_replace('user_', '', $su);
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}
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foreach ($userNames as $u) {
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$allreadyAdded = false;
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foreach ($sUsers as &$su) {
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if ($su === $u->getUID()) {
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unset($su);
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$allreadyAdded = true;
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break;
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}
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}
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if (!$allreadyAdded) {
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$users[] = array('uid' => $u->getUID(), 'displayName' => $u->getDisplayName(), 'isGroup' => false);
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} else {
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continue;
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}
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}
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return $users;
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}
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/**
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* @NoAdminRequired
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* @param string $username
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* @return string
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*/
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public function getDisplayName($username) {
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return $this->userMgr->get($username)->getDisplayName();
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}
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/**
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* @return \OCP\IGroup[]
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*/
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private function getGroups() {
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if (class_exists('\OC_Group')) {
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// Nextcloud <= 11, ownCloud
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return \OC_Group::getUserGroups($this->userId);
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}
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// Nextcloud >= 12
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$groups = $this->groupManager->getUserGroups(\OC::$server->getUserSession()->getUser());
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return array_map(function($group) {
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return $group->getGID();
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}, $groups);
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}
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/**
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* Check if user has access to this form
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*
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* @param Event $form
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* @return bool
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*/
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private function hasUserAccess($form) {
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$access = $form->getAccess();
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$owner = $form->getOwner();
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if ($access === 'public' || $access === 'hidden') {
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return true;
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}
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if ($this->userId === null) {
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return false;
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}
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if ($access === 'registered') {
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if ($form->getUnique()) {
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$participants = $this->voteMapper->findParticipantsByForm($form->getId());
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foreach($participants as $participant) {
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// Don't allow access if user has already taken part
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if ($participant->getUserId() === $this->userId) return false;
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}
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}
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return true;
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}
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if ($owner === $this->userId) {
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return true;
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}
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Util::writeLog('forms', $this->userId, Util::ERROR);
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$userGroups = $this->getGroups();
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$arr = explode(';', $access);
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foreach ($arr as $item) {
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if (strpos($item, 'group_') === 0) {
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$grp = substr($item, 6);
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foreach ($userGroups as $userGroup) {
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if ($userGroup === $grp) {
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return true;
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}
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}
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} else {
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if (strpos($item, 'user_') === 0) {
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$usr = substr($item, 5);
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if ($usr === $this->userId) {
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return true;
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}
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}
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}
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}
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return false;
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}
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/**
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* Check if user is owner of this form
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*
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* @param Event $form
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* @return bool
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*/
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private function userIsOwner($form) {
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$owner = $form->getOwner();
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if ($owner === $this->userId) {
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return true;
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}
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Util::writeLog('forms', $this->userId, Util::ERROR);
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return false;
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}
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/**
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* @NoAdminRequired
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* @param int $id
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* @return TemplateResponse
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*/
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public function getResult(int $id): TemplateResponse {
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return new TemplateResponse('forms', 'forms.tmpl');
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}
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}
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