261 lines
7.9 KiB
PHP
261 lines
7.9 KiB
PHP
<?php
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/**
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* This software is governed by the CeCILL-B license. If a copy of this license
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* is not distributed with this file, you can obtain one at
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* http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt
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*
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* Authors of STUdS (initial project): Guilhem BORGHESI (borghesi@unistra.fr) and Raphaël DROZ
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* Authors of Framadate/OpenSondage: Framasoft (https://github.com/framasoft)
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*
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* =============================
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*
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* Ce logiciel est régi par la licence CeCILL-B. Si une copie de cette licence
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* ne se trouve pas avec ce fichier vous pouvez l'obtenir sur
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* http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.txt
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*
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* Auteurs de STUdS (projet initial) : Guilhem BORGHESI (borghesi@unistra.fr) et Raphaël DROZ
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* Auteurs de Framadate/OpenSondage : Framasoft (https://github.com/framasoft)
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*/
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namespace Framadate\Services;
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use Framadate\Exception\AlreadyExistsException;
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use Framadate\Exception\ConcurrentEditionException;
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use Framadate\Form;
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use Framadate\FramaDB;
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use Framadate\Repositories\RepositoryFactory;
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use Framadate\Security\Token;
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use Framadate\Utils;
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class PollService {
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private $connect;
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private $logService;
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private $pollRepository;
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private $slotRepository;
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private $voteRepository;
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private $commentRepository;
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function __construct(FramaDB $connect, LogService $logService) {
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$this->connect = $connect;
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$this->logService = $logService;
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$this->pollRepository = RepositoryFactory::pollRepository();
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$this->slotRepository = RepositoryFactory::slotRepository();
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$this->voteRepository = RepositoryFactory::voteRepository();
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$this->commentRepository = RepositoryFactory::commentRepository();
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}
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/**
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* Find a poll from its ID.
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*
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* @param $poll_id int The ID of the poll
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* @return \stdClass|null The found poll, or null
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*/
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function findById($poll_id) {
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if (preg_match(POLL_REGEX, $poll_id)) {
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return $this->pollRepository->findById($poll_id);
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}
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return null;
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}
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public function findByAdminId($admin_poll_id) {
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if (preg_match(ADMIN_POLL_REGEX, $admin_poll_id)) {
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return $this->pollRepository->findByAdminId($admin_poll_id);
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}
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return null;
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}
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function allCommentsByPollId($poll_id) {
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return $this->commentRepository->findAllByPollId($poll_id);
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}
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function allVotesByPollId($poll_id) {
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return $this->voteRepository->allUserVotesByPollId($poll_id);
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}
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function allSlotsByPoll($poll) {
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$slots = $this->slotRepository->listByPollId($poll->id);
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if ($poll->format == 'D') {
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$this->sortSlorts($slots);
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}
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return $slots;
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}
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public function updateVote($poll_id, $vote_id, $name, $choices, $slots_hash) {
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$poll = $this->findById($poll_id);
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// Check if slots are still the same
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$this->checkThatSlotsDidntChanged($poll, $slots_hash);
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// Update vote
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$choices = implode($choices);
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return $this->voteRepository->update($poll_id, $vote_id, $name, $choices);
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}
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function addVote($poll_id, $name, $choices, $slots_hash) {
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$poll = $this->findById($poll_id);
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// Check if slots are still the same
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$this->checkThatSlotsDidntChanged($poll, $slots_hash);
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// Check if vote already exists
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if ($this->voteRepository->existsByPollIdAndName($poll_id, $name)) {
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throw new AlreadyExistsException();
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}
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// Insert new vote
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$choices = implode($choices);
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$token = $this->random(16);
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return $this->voteRepository->insert($poll_id, $name, $choices, $token);
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}
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function addComment($poll_id, $name, $comment) {
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if ($this->commentRepository->exists($poll_id, $name, $comment)) {
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return true;
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} else {
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return $this->commentRepository->insert($poll_id, $name, $comment);
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}
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}
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/**
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* @param Form $form
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* @return string
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*/
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function createPoll(Form $form) {
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// Generate poll IDs, loop while poll ID already exists
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if (empty($form->id)) { // User want us to generate an id for him
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do {
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$poll_id = $this->random(16);
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} while ($this->pollRepository->existsById($poll_id));
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$admin_poll_id = $poll_id . $this->random(8);
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} else { // User have choosen the poll id
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$poll_id = $form->id;
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do {
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$admin_poll_id = $this->random(24);
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} while ($this->pollRepository->existsByAdminId($admin_poll_id));
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}
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// Insert poll + slots
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$this->pollRepository->beginTransaction();
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$this->pollRepository->insertPoll($poll_id, $admin_poll_id, $form);
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$this->slotRepository->insertSlots($poll_id, $form->getChoices());
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$this->pollRepository->commit();
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$this->logService->log('CREATE_POLL', 'id:' . $poll_id . ', title: ' . $form->title . ', format:' . $form->format . ', admin:' . $form->admin_name . ', mail:' . $form->admin_mail);
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return array($poll_id, $admin_poll_id);
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}
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public function findAllByAdminMail($mail) {
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return $this->pollRepository->findAllByAdminMail($mail);
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}
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function computeBestChoices($votes) {
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$result = ['y' => [0], 'inb' => [0]];
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foreach ($votes as $vote) {
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$choices = str_split($vote->choices);
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foreach ($choices as $i => $choice) {
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if (!isset($result['y'][$i])) {
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$result['inb'][$i] = 0;
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$result['y'][$i] = 0;
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}
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if ($choice == 1) {
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$result['inb'][$i]++;
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}
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if ($choice == 2) {
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$result['y'][$i]++;
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}
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}
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}
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return $result;
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}
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function splitSlots($slots) {
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$splitted = array();
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foreach ($slots as $slot) {
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$obj = new \stdClass();
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$obj->day = $slot->title;
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$obj->moments = explode(',', $slot->moments);
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$splitted[] = $obj;
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}
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return $splitted;
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}
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/**
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* @param $slots array The slots to hash
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* @return string The hash
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*/
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public function hashSlots($slots) {
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return md5(array_reduce($slots, function($carry, $item) {
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return $carry . $item->id . '@' . $item->moments . ';';
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}));
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}
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function splitVotes($votes) {
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$splitted = array();
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foreach ($votes as $vote) {
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$obj = new \stdClass();
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$obj->id = $vote->id;
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$obj->name = $vote->name;
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$obj->uniqId = $vote->uniqId;
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$obj->choices = str_split($vote->choices);
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$splitted[] = $obj;
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}
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return $splitted;
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}
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private function random($length) {
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return Token::getToken($length);
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}
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/**
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* @return int The max timestamp allowed for expiry date
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*/
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public function maxExpiryDate() {
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global $config;
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return time() + (86400 * $config['default_poll_duration']);
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}
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/**
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* @return int The min timestamp allowed for expiry date
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*/
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public function minExpiryDate() {
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return time() + 86400;
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}
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/**
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* This method checks if the hash send by the user is the same as the computed hash.
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*
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* @param $poll /stdClass The poll
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* @param $slots_hash string The hash sent by the user
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* @throws ConcurrentEditionException Thrown when hashes are differents
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*/
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private function checkThatSlotsDidntChanged($poll, $slots_hash) {
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$slots = $this->allSlotsByPoll($poll);
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if ($slots_hash !== $this->hashSlots($slots)) {
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throw new ConcurrentEditionException();
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}
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}
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/**
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* @return mixed
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*/
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public function sortSlorts(&$slots) {
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uasort($slots, function ($a, $b) {
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return $a->title > $b->title;
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});
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return $slots;
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}
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}
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