126 lines
3.5 KiB
PHP
126 lines
3.5 KiB
PHP
<?php
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namespace Skobkin\Bundle\PointToolsBundle\Service;
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use Doctrine\ORM\EntityManager;
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use Doctrine\ORM\EntityManagerInterface;
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use Doctrine\ORM\QueryBuilder;
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use Skobkin\Bundle\PointToolsBundle\Entity\Subscription;
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use Skobkin\Bundle\PointToolsBundle\Entity\SubscriptionEvent;
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use Skobkin\Bundle\PointToolsBundle\Entity\User;
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class SubscriptionsManager
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{
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/**
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* @var EntityManager
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*/
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protected $em;
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// @todo Add logger
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public function __construct(EntityManagerInterface $entityManager)
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{
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$this->em = $entityManager;
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}
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/**
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* @param User $user
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* @param User[]|array $newSubscribersList
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*/
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public function updateUserSubscribers(User $user, $newSubscribersList = [])
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{
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/** @var Subscription[] $tmpOldSubscribers */
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$tmpOldSubscribers = $user->getSubscribers();
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$oldSubscribersList = [];
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foreach ($tmpOldSubscribers as $subscription) {
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$oldSubscribersList[] = $subscription->getSubscriber();
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}
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unset($tmpOldSubscribers);
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$subscribedList = $this->getUsersListsDiff($newSubscribersList, $oldSubscribersList);
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$unsubscribedList = $this->getUsersListsDiff($oldSubscribersList, $newSubscribersList);
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/** @var User $subscribedUser */
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foreach ($subscribedList as $subscribedUser) {
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$subscription = new Subscription();
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$subscription
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->setAuthor($user)
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->setSubscriber($subscribedUser)
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;
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$user->addSubscriber($subscription);
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$logEvent = new SubscriptionEvent();
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$logEvent
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->setSubscriber($subscribedUser)
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->setAuthor($user)
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->setAction(SubscriptionEvent::ACTION_SUBSCRIBE)
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;
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$user->addNewSubscriberEvent($logEvent);
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$this->em->persist($subscription);
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$this->em->persist($logEvent);
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}
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unset($subscribedList);
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/** @var QueryBuilder $unsubscribedQuery */
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$unsubscribedQuery = $this->em->getRepository('SkobkinPointToolsBundle:Subscription')->createQueryBuilder('s');
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$unsubscribedQuery
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->delete()
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->where('s.author = :author')
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->andWhere('s.subscriber IN (:subscribers)')
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;
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/** @var User $unsubscribedUser */
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foreach ($unsubscribedList as $unsubscribedUser) {
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$logEvent = new SubscriptionEvent();
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$logEvent
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->setSubscriber($unsubscribedUser)
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->setAuthor($user)
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->setAction(SubscriptionEvent::ACTION_UNSUBSCRIBE)
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;
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$user->addNewSubscriberEvent($logEvent);
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$this->em->persist($logEvent);
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}
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$unsubscribedQuery
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->setParameter('author', $user->getId())
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->setParameter('subscribers', $unsubscribedList)
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->getQuery()->execute();
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;
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unset($unsubscribedList);
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$this->em->flush();
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}
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/**
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* Compares $list1 against $list2 and returns the values in $list1 that are not present in $list2.
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*
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* @param User[] $list1
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* @param User[] $list2
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* @return User[] Diff
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*/
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public function getUsersListsDiff(array $list1 = [], array $list2 = [])
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{
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$hash1 = [];
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$hash2 = [];
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foreach ($list1 as $user) {
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$hash1[$user->getId()] = $user;
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}
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foreach ($list2 as $user) {
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$hash2[$user->getId()] = $user;
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}
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return array_diff_key($hash1, $hash2);
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}
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} |