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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Zikula package. |
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* |
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* Copyright Zikula Foundation - https://ziku.la/ |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Zikula\Bundle\CoreBundle\Doctrine; |
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use Doctrine\ORM\QueryBuilder as DoctrineQueryBuilder; |
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use Doctrine\ORM\Tools\Pagination\CountWalker; |
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use Doctrine\ORM\Tools\Pagination\Paginator as DoctrinePaginator; |
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/** |
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* @author Javier Eguiluz <[email protected]> |
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* Most of this file is copied from https://github.com/javiereguiluz/symfony-demo/blob/master/src/Pagination/Paginator.php |
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* |
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* usage: |
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* in Repository class: |
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* return (new Paginator($qb))->paginate($page); |
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* in controller: |
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* return $this->render('blog/index.'.$_format.'.twig', [ |
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* 'paginator' => $latestPosts, |
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* ]); |
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* results in template {% for post in paginator.results %} |
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* include template: {{ include(paginator.template) }} |
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*/ |
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class Paginator |
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{ |
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private const PAGE_SIZE = 25; |
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private $queryBuilder; |
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private $currentPage; |
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private $pageSize; |
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private $results; |
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private $numResults; |
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private $route; |
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private $routeParameters; |
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private $template = '@Core/Paginator/Paginator.html.twig'; |
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public function __construct(DoctrineQueryBuilder $queryBuilder, int $pageSize = self::PAGE_SIZE) |
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{ |
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$this->queryBuilder = $queryBuilder; |
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$this->pageSize = $pageSize; |
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} |
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public function paginate(int $page = 1): self |
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{ |
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$this->currentPage = max(1, $page); |
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$firstResult = ($this->currentPage - 1) * $this->pageSize; |
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$query = $this->queryBuilder |
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->setFirstResult($firstResult) |
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->setMaxResults($this->pageSize) |
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->getQuery(); |
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if (0 === \count($this->queryBuilder->getDQLPart('join'))) { |
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$query->setHint(CountWalker::HINT_DISTINCT, false); |
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} |
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$paginator = new DoctrinePaginator($query, true); |
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$useOutputWalkers = \count($this->queryBuilder->getDQLPart('having') ?: []) > 0; |
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$paginator->setUseOutputWalkers($useOutputWalkers); |
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$this->results = $paginator->getIterator(); |
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$this->numResults = $paginator->count(); |
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return $this; |
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} |
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public function getCurrentPage(): int |
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{ |
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return $this->currentPage; |
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} |
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public function getLastPage(): int |
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{ |
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return (int) ceil($this->numResults / $this->pageSize); |
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} |
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public function getPageSize(): int |
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{ |
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return $this->pageSize; |
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} |
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public function hasPreviousPage(): bool |
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{ |
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return $this->currentPage > 1; |
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} |
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public function getPreviousPage(): int |
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{ |
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return max(1, $this->currentPage - 1); |
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} |
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public function hasNextPage(): bool |
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{ |
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return $this->currentPage < $this->getLastPage(); |
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} |
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public function getNextPage(): int |
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{ |
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return min($this->getLastPage(), $this->currentPage + 1); |
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} |
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public function hasToPaginate(): bool |
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{ |
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return $this->numResults > $this->pageSize; |
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} |
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public function getNumResults(): int |
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{ |
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return $this->numResults; |
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} |
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public function getResults(): \Traversable |
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{ |
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return $this->results; |
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} |
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public function setRoute(string $route): self |
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{ |
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$this->route = $route; |
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return $this; |
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} |
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public function getRoute(): string |
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{ |
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return $this->route; |
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} |
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public function setRouteParameters(array $parameters): self |
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{ |
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$this->routeParameters = $parameters; |
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return $this; |
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} |
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public function setRouteParameter(string $name, string $value): void |
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{ |
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$this->routeParameters[$name] = $value; |
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} |
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public function getRouteParameters(): array |
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{ |
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return $this->routeParameters; |
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} |
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public function setTemplate(string $templateName): void |
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{ |
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$this->template = $templateName; |
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} |
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public function getTemplate(): string |
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{ |
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return $this->template; |
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} |
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} |
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