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<?php |
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/** |
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* @copyright Copyright (c) 2017 Vinzenz Rosenkranz <[email protected]> |
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* |
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* @author René Gieling <[email protected]> |
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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\Polls\Service; |
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use OCP\AppFramework\Db\DoesNotExistException; |
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use OCA\Polls\Exceptions\NotAuthorizedException; |
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use OCA\Polls\Exceptions\VoteLimitExceededException; |
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use OCA\Polls\Db\Log; |
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use OCA\Polls\Db\OptionMapper; |
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use OCA\Polls\Db\VoteMapper; |
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use OCA\Polls\Db\PollMapper; |
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use OCA\Polls\Db\Vote; |
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use OCA\Polls\Model\Acl; |
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class VoteService { |
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/** @var VoteMapper */ |
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private $voteMapper; |
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/** @var PollMapper */ |
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private $pollMapper; |
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/** @var Vote */ |
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private $vote; |
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/** @var OptionMapper */ |
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private $optionMapper; |
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/** @var AnonymizeService */ |
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private $anonymizer; |
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/** @var LogService */ |
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private $logService; |
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/** @var Acl */ |
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private $acl; |
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public function __construct( |
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VoteMapper $voteMapper, |
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PollMapper $pollMapper, |
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Vote $vote, |
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OptionMapper $optionMapper, |
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AnonymizeService $anonymizer, |
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LogService $logService, |
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Acl $acl |
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) { |
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$this->voteMapper = $voteMapper; |
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$this->pollMapper = $pollMapper; |
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$this->vote = $vote; |
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$this->optionMapper = $optionMapper; |
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$this->anonymizer = $anonymizer; |
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$this->logService = $logService; |
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$this->acl = $acl; |
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} |
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/** |
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* Read all votes of a poll based on the poll id and return list as array |
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*/ |
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public function list(?int $pollId = 0, string $token = ''): array { |
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if ($token) { |
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$this->acl->setToken($token); |
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} else { |
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$this->acl->setPollId($pollId)->request(Acl::PERMISSION_VIEW); |
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} |
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try { |
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if (!$this->acl->isAllowed(Acl::PERMISSION_SEE_RESULTS)) { |
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return $this->voteMapper->findByPollAndUser($this->acl->getpollId(), $this->acl->getUserId()); |
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} elseif (!$this->acl->isAllowed(Acl::PERMISSION_SEE_USERNAMES)) { |
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$this->anonymizer->set($this->acl->getpollId(), $this->acl->getUserId()); |
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return $this->anonymizer->getVotes(); |
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} else { |
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return $this->voteMapper->findByPoll($this->acl->getpollId()); |
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} |
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} catch (DoesNotExistException $e) { |
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return []; |
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} |
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} |
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private function checkLimits(int $optionId, string $userId):void { |
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$option = $this->optionMapper->find($optionId); |
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$poll = $this->pollMapper->find($option->getPollId()); |
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// check, if the optionlimit is reached or exceeded, if one is set |
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if ($poll->getOptionLimit() > 0) { |
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if ($poll->getOptionLimit() <= count($this->voteMapper->getYesVotesByOption($option->getPollId(), $option->getPollOptionText()))) { |
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throw new VoteLimitExceededException; |
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} |
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} |
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// check if the votelimit for the user is reached or exceeded, if one is set |
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if ($poll->getVoteLimit() > 0) { |
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$pollOptionTexts = []; |
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$validVotes = []; |
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$votecount = 0; |
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$options = $this->optionMapper->findByPoll($option->getPollId()); |
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$votes = $this->voteMapper->getYesVotesByParticipant($option->getPollId(), $userId); |
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// Only count votes, which match to an actual existing option. |
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// Explanation: If an option is deleted, the corresponding votes are not deleted. |
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// create an array of pollOptionTexts |
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foreach ($options as $element) { |
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$pollOptionTexts[] = $element->getPollOptionText(); |
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} |
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// only count relevant votes for the limit |
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foreach ($votes as $vote) { |
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if (in_array($vote->getVoteOptionText(), $pollOptionTexts)) { |
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$votecount++; |
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} |
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} |
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if ($poll->getVoteLimit() <= $votecount) { |
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throw new VoteLimitExceededException; |
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} |
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} |
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} |
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/** |
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* Set vote |
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*/ |
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public function set(int $optionId, string $setTo, string $token = ''): Vote { |
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$option = $this->optionMapper->find($optionId); |
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if ($token) { |
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$this->acl->setToken($token)->request(Acl::PERMISSION_VOTE); |
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if (intval($option->getPollId()) !== $this->acl->getPollId()) { |
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throw new NotAuthorizedException; |
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} |
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} else { |
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$this->acl->setPollId($option->getPollId())->request(Acl::PERMISSION_VOTE); |
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} |
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if ($setTo === 'yes') { |
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$this->checkLimits($optionId, $this->acl->getUserId()); |
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} |
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try { |
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$this->vote = $this->voteMapper->findSingleVote($this->acl->getPollId(), $option->getPollOptionText(), $this->acl->getUserId()); |
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$this->vote->setVoteAnswer($setTo); |
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$this->voteMapper->update($this->vote); |
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} catch (DoesNotExistException $e) { |
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// Vote does not exist, insert as new Vote |
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$this->vote = new Vote(); |
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$this->vote->setPollId($this->acl->getPollId()); |
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$this->vote->setUserId($this->acl->getUserId()); |
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$this->vote->setVoteOptionText($option->getPollOptionText()); |
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$this->vote->setVoteOptionId($option->getId()); |
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$this->vote->setVoteAnswer($setTo); |
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$this->voteMapper->insert($this->vote); |
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} |
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$this->logService->setLog($this->acl->getPollId(), Log::MSG_ID_SETVOTE, $this->vote->getUserId()); |
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return $this->vote; |
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} |
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/** |
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* Remove user from poll |
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*/ |
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public function delete(int $pollId, string $userId): string { |
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$this->acl->setPollId($pollId)->request(Acl::PERMISSION_EDIT); |
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$this->voteMapper->deleteByPollAndUser($pollId, $userId); |
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return $userId; |
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} |
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} |
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nextcloud /
polls
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