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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\Paginator; |
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use ApiPlatform\Doctrine\Orm\State\CollectionProvider; |
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use ApiPlatform\Doctrine\Orm\State\ItemProvider; |
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use ApiPlatform\Metadata\Operation; |
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use ApiPlatform\State\ProviderInterface; |
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use Chamilo\CoreBundle\Entity\Message; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\QueryBuilder; |
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use Symfony\Bundle\SecurityBundle\Security; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* @template-implements ProviderInterface<Message> |
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*/ |
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final class MessageStateProvider implements ProviderInterface |
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{ |
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public function __construct( |
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private readonly CollectionProvider $collectionProvider, |
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private readonly ItemProvider $itemProvider, |
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private readonly EntityManagerInterface $entityManager, |
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private readonly Security $security, |
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private readonly RequestStack $requestStack |
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) {} |
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/** |
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* Provides data based on the operation type (collection or item). |
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* |
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* @return Paginator|Message|null |
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*/ |
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public function provide(Operation $operation, array $uriVariables = [], array $context = []) |
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{ |
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$isCollection = $context['operation_type'] === 'collection'; |
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if ($isCollection) { |
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return $this->handleCollection($operation, $context); |
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} |
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// Delegate to ItemProvider for individual operations |
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return $this->itemProvider->provide($operation, $uriVariables, $context); |
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} |
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/** |
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* Handles collection-level operations with filtering and pagination. |
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*/ |
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private function handleCollection(Operation $operation, array $context): Paginator |
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{ |
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$user = $this->security->getUser(); |
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if (!$user) { |
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throw new \LogicException('User not found.'); |
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} |
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// Retrieve initial filters if they exist |
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$filters = $context['filters'] ?? []; |
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$this->applyFilters($filters); |
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// Add base filters for the authenticated user |
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$filters['sender'] = $user->getId(); |
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$filters['receivers.receiver'] = $user->getId(); |
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// Update context with merged filters |
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$context['filters'] = $filters; |
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// Check if advanced filtering is applied |
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$isSearchApplied = isset($filters['search']) || count($filters) > 2; |
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if (!$isSearchApplied) { |
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// Delegate to CollectionProvider for standard query handling |
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return $this->collectionProvider->provide($operation, [], $context); |
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} |
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// Build custom query for advanced filters |
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return $this->applyCustomQuery($operation, $context, $filters); |
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} |
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/** |
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* Builds and applies a custom query with filtering, sorting, and pagination. |
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*/ |
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private function applyCustomQuery(Operation $operation, array $context, array $filters): Paginator |
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{ |
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// Main query |
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$queryBuilder = $this->createQueryWithFilters($filters); |
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// Apply pagination and sorting |
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$order = $context['filters']['order']['sendDate'] ?? 'ASC'; |
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$queryBuilder->orderBy('m.sendDate', $order); |
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$itemsPerPage = (int) ($context['filters']['itemsPerPage'] ?? 10); |
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$currentPage = (int) ($context['filters']['page'] ?? 1); |
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$queryBuilder->setFirstResult(($currentPage - 1) * $itemsPerPage) |
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->setMaxResults($itemsPerPage); |
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// Count query for total items |
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$countQueryBuilder = $this->createQueryWithFilters($filters, true); |
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$totalItems = (int) $countQueryBuilder->getQuery()->getSingleScalarResult(); |
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// Doctrine Paginator |
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$doctrinePaginator = new \Doctrine\ORM\Tools\Pagination\Paginator($queryBuilder, true); |
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// Adjust OutputWalkers as needed |
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$needsOutputWalkers = count($queryBuilder->getDQLPart('join')) > 0; |
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$doctrinePaginator->setUseOutputWalkers($needsOutputWalkers); |
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$paginator = new Paginator($doctrinePaginator); |
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return $paginator; |
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} |
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/** |
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* Creates a query with filters applied dynamically. |
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*/ |
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private function createQueryWithFilters(array $filters, bool $isCountQuery = false): QueryBuilder |
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{ |
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$queryBuilder = $this->entityManager->createQueryBuilder(); |
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// Adjust SELECT statement for count or distinct query |
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if ($isCountQuery) { |
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$queryBuilder->select('COUNT(DISTINCT m.id)'); |
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} else { |
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$queryBuilder->select('DISTINCT m'); |
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} |
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$queryBuilder->from(Message::class, 'm') |
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->leftJoin('m.receivers', 'r', 'WITH', 'r.deletedAt IS NULL OR r.deletedAt > CURRENT_TIMESTAMP()') |
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->where('m.sender = :user OR r.receiver = :user') |
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->setParameter('user', $filters['sender']); |
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// Dynamically apply filters |
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foreach ($filters as $key => $value) { |
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switch ($key) { |
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case 'msgType': |
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$queryBuilder->andWhere('m.msgType = :msgType')->setParameter('msgType', $value); |
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break; |
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case 'status': |
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$queryBuilder->andWhere('m.status = :status')->setParameter('status', $value); |
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break; |
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case 'receivers.receiver': |
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$queryBuilder->andWhere('r.receiver = :receiver')->setParameter('receiver', $value); |
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break; |
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case 'receivers.receiverType': |
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$queryBuilder->andWhere('r.receiverType = :receiverType')->setParameter('receiverType', $value); |
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break; |
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case 'receivers.read': |
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$queryBuilder->andWhere('r.read = :read')->setParameter('read', !($value === 'false')); |
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break; |
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case 'search': |
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$queryBuilder->andWhere('m.title LIKE :search OR m.content LIKE :search') |
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->setParameter('search', '%' . $value . '%'); |
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break; |
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} |
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} |
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return $queryBuilder; |
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} |
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/** |
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* Merges request filters into the provided filter array. |
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*/ |
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private function applyFilters(array &$filters): void |
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{ |
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$request = $this->requestStack->getMainRequest(); |
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if ($request) { |
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$requestFilters = $request->query->all(); |
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$filters = array_merge($filters, $requestFilters); |
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} |
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} |
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} |
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chamilo /
chamilo-lms
