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<?php |
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declare(strict_types=1); |
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/* For licensing terms, see /license.txt */ |
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namespace Chamilo\CoreBundle\State; |
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use ApiPlatform\Doctrine\Orm\Extension\PaginationExtension; |
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use ApiPlatform\Doctrine\Orm\Paginator; |
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use ApiPlatform\Doctrine\Orm\Util\QueryNameGenerator; |
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use ApiPlatform\Metadata\Operation; |
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use ApiPlatform\State\ProviderInterface; |
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use Chamilo\CoreBundle\Entity\Session; |
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use Chamilo\CoreBundle\Helpers\AccessUrlHelper; |
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use Chamilo\CoreBundle\Helpers\UserHelper; |
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use Chamilo\CoreBundle\Repository\Node\UserRepository; |
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use Chamilo\CoreBundle\Repository\SessionRepository; |
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use Exception; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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/** |
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* @template-implements ProviderInterface<Session> |
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*/ |
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class UserSessionSubscriptionsStateProvider implements ProviderInterface |
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{ |
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public function __construct( |
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private readonly UserHelper $userHelper, |
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private readonly AccessUrlHelper $accessUrlHelper, |
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private readonly UserRepository $userRepository, |
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private readonly SessionRepository $sessionRepository, |
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private readonly PaginationExtension $paginationExtension, |
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) {} |
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/** |
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* @throws Exception |
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*/ |
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public function provide(Operation $operation, array $uriVariables = [], array $context = []): array |
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{ |
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$user = $this->userRepository->find($uriVariables['id']); |
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if (!$user) { |
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throw new NotFoundHttpException('User not found'); |
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} |
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$currentUser = $this->userHelper->getCurrent(); |
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$url = $this->accessUrlHelper->getCurrent(); |
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$isAllowed = $user === $currentUser || ($currentUser && $currentUser->isAdmin()); |
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if (!$isAllowed) { |
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throw new AccessDeniedException(); |
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} |
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if ('user_session_subscriptions_past' === $operation->getName()) { |
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$sessions = $this->sessionRepository->getPastSessionsOfUserInUrl($user, $url); |
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$this->hydrateDaysLeft($sessions, $user); |
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return $sessions; |
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} |
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if ('user_session_subscriptions_current' === $operation->getName()) { |
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$sessions = $this->getCurrentSessionsPagedAndFiltered($operation, $context, $user, $url); |
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$this->hydrateDaysLeft($sessions, $user); |
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return $sessions; |
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} |
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// Upcoming can stay as a pure DB filter (duration sessions won't be upcoming anyway) |
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$qb = $this->sessionRepository->getUpcomingSessionsOfUserInUrl($user, $url); |
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$this->paginationExtension->applyToCollection( |
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$qb, |
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new QueryNameGenerator(), |
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Session::class, |
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$operation, |
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$context |
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); |
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$paginator = $this->paginationExtension->getResult($qb, Session::class, $operation, $context); |
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if ($paginator instanceof Paginator) { |
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$sessions = iterator_to_array($paginator); |
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$this->hydrateDaysLeft($sessions, $user); |
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return $sessions; |
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} |
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if (is_iterable($paginator)) { |
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$sessions = \is_array($paginator) ? $paginator : iterator_to_array($paginator); |
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$this->hydrateDaysLeft($sessions, $user); |
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return $sessions; |
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} |
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return []; |
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} |
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/** |
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* Ensures pagination is not broken by filtering duration sessions in PHP. |
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* We scan ahead until we fill the requested page size or we run out of DB results. |
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* |
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* @return Session[] |
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*/ |
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private function getCurrentSessionsPagedAndFiltered( |
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Operation $operation, |
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array $context, |
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$user, |
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$url |
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): array { |
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$filters = $context['filters'] ?? []; |
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$page = (int) ($filters['page'] ?? 1); |
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if ($page < 1) { |
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$page = 1; |
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} |
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$itemsPerPage = (int) ( |
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$filters['itemsPerPage'] |
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?? $context['pagination_items_per_page'] |
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?? 10 |
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); |
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if ($itemsPerPage < 1) { |
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$itemsPerPage = 10; |
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} |
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// Base query: current sessions by date rules (this currently includes duration sessions due to NULL dates). |
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$baseQb = $this->sessionRepository->getCurrentSessionsOfUserInUrl($user, $url); |
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$wantedOffset = ($page - 1) * $itemsPerPage; |
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$scanOffset = $wantedOffset; |
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// Scan chunks to compensate filtering |
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$scanSize = max($itemsPerPage * 3, 30); |
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$result = []; |
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while (\count($result) < $itemsPerPage) { |
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$qb = clone $baseQb; |
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$qb->setFirstResult($scanOffset); |
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$qb->setMaxResults($scanSize); |
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$chunk = $qb->getQuery()->getResult(); |
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if (empty($chunk)) { |
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break; |
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} |
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foreach ($chunk as $session) { |
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// Duration sessions: decide current/past based on remaining days (students only). |
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if ($session->getDuration() > 0 && !$session->hasCoach($user)) { |
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$daysLeft = $session->getDaysLeftByUser($user); |
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$session->setDaysLeft($daysLeft); |
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if ($daysLeft < 0) { |
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continue; // It's past for the student |
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} |
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} |
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$result[] = $session; |
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if (\count($result) >= $itemsPerPage) { |
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break; |
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} |
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} |
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$scanOffset += $scanSize; |
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} |
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return $result; |
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} |
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/** |
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* Adds daysLeft to duration sessions so the frontend can show remaining/expired properly. |
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* |
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* @param Session[] $sessions |
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*/ |
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private function hydrateDaysLeft(array $sessions, $user): void |
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{ |
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foreach ($sessions as $session) { |
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if ($session->getDuration() > 0 && !$session->hasCoach($user)) { |
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$session->setDaysLeft($session->getDaysLeftByUser($user)); |
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} |
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} |
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} |
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} |
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chamilo /
chamilo-lms
