115 lines
3.6 KiB
PHP
115 lines
3.6 KiB
PHP
<?php
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namespace Framadate\Services;
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use Doctrine\DBAL\Connection;
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use Doctrine\DBAL\DBALException;
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use Framadate\Repositories\RepositoryFactory;
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/**
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* This service helps to purge data.
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*
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* @package Framadate\Services
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*/
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class PurgeService {
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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(Connection $connect, LogService $logService) {
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$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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$this->commentRepository = RepositoryFactory::commentRepository();
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}
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public function repeatedCleanings() {
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$this->purgeOldPolls();
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if (0 === time() % 10) {
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$this->cleanDemoPoll();
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}
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}
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/**
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* This methode purges all old polls (the ones with end_date in past).
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*
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* @return bool true is action succeeded
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*/
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public function purgeOldPolls() {
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try {
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$oldPolls = $this->pollRepository->findOldPolls();
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$count = count($oldPolls);
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if ($count > 0) {
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$this->logService->log('EXPIRATION', 'Going to purge ' . $count . ' poll(s)...');
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foreach ($oldPolls as $poll) {
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if ($this->purgePollById($poll->id)) {
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$this->logService->log(
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'EXPIRATION_SUCCESS',
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'id: ' . $poll->id . ', title:' . $poll->title . ', format: ' . $poll->format . ', admin: ' . $poll->admin_name
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);
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} else {
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$this->logService->log(
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'EXPIRATION_FAILED',
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'id: ' . $poll->id . ', title:' . $poll->title . ', format: ' . $poll->format . ', admin: ' . $poll->admin_name
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);
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}
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}
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}
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return $count;
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} catch (DBALException $e) {
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$this->logService->log('ERROR', $e->getMessage());
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return false;
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}
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}
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public function cleanDemoPoll() {
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if (!defined("DEMO_POLL_ID") || !defined("DEMO_POLL_NUMBER_VOTES")) {
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return;
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}
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$this->voteRepository->beginTransaction();
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$demoVotes = $this->voteRepository->allUserVotesByPollId(DEMO_POLL_ID);
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$votesToDelete = count($demoVotes) - DEMO_POLL_NUMBER_VOTES;
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if ($votesToDelete > 0) {
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$this->voteRepository->deleteOldVotesByPollId(DEMO_POLL_ID, $votesToDelete);
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}
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$this->voteRepository->commit();
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}
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/**
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* This methode delete all data about a poll.
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*
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* @param $poll_id int The ID of the poll
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* @return bool true is action succeeded
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*/
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private function purgePollById($poll_id) {
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$done = true;
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try {
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$this->pollRepository->beginTransaction();
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$done &= $this->commentRepository->deleteByPollId($poll_id);
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$done &= $this->voteRepository->deleteByPollId($poll_id);
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$done &= $this->slotRepository->deleteByPollId($poll_id);
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$done &= $this->pollRepository->deleteById($poll_id);
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if ($done) {
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$this->pollRepository->commit();
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} else {
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$this->pollRepository->rollback();
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}
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} catch (DBALException $e) {
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$this->logService->log('ERROR', $e->getMessage());
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}
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return $done;
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}
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}
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