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<?php |
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/* |
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* This file is part of the Kreta package. |
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* |
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* (c) Beñat Espiña <[email protected]> |
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* (c) Gorka Laucirica <[email protected]> |
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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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declare(strict_types=1); |
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namespace Kreta\TaskManager\Infrastructure\Symfony\GraphQl\Query\Organization; |
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use Kreta\SharedKernel\Application\QueryBus; |
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use Kreta\SharedKernel\Http\GraphQl\Relay\ConnectionBuilder; |
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use Kreta\SharedKernel\Http\GraphQl\Resolver; |
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use Kreta\TaskManager\Application\Query\Organization\CountOrganizationsQuery; |
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use Kreta\TaskManager\Application\Query\Organization\FilterOrganizationsQuery; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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class OrganizationsResolver implements Resolver |
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{ |
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private $connectionBuilder; |
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private $queryBus; |
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private $currentUser; |
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public function __construct( |
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TokenStorageInterface $tokenStorage, |
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ConnectionBuilder $connectionBuilder, |
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QueryBus $queryBus |
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) { |
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$this->connectionBuilder = $connectionBuilder; |
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$this->queryBus = $queryBus; |
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$this->currentUser = $tokenStorage->getToken()->getUser()->getUsername(); |
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} |
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public function resolve($args) |
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{ |
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if (!isset($args['name'])) { |
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$args['name'] = null; |
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} |
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if (isset($args['organizationConnectionInput'])) { |
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foreach ($args['organizationConnectionInput'] as $key => $value) { |
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$args[$key] = $value; |
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} |
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unset($args['organizationConnectionInput']); |
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} |
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list($offset, $limit, $total) = $this->buildPagination($args); |
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$this->queryBus->handle( |
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new FilterOrganizationsQuery( |
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$this->currentUser, |
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$offset, |
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$limit, |
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$args['name'] |
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), |
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$result |
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); |
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$connection = $this->connectionBuilder->fromArraySlice( |
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$result, |
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$args, |
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[ |
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'sliceStart' => $offset, |
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'arrayLength' => $total, |
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] |
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); |
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$connection->totalCount = count($result); |
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return $connection; |
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} |
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private function buildPagination($args) |
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{ |
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$this->queryBus->handle( |
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new CountOrganizationsQuery( |
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$this->currentUser, |
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$args['name'] |
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), |
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$total |
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); |
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$beforeOffset = $this->connectionBuilder->getOffsetWithDefault( |
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$args['before'] |
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?? null, |
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$total |
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); |
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$afterOffset = $this->connectionBuilder->getOffsetWithDefault( |
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$args['after'] |
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?? null, |
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-1 |
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); |
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$startOffset = max($afterOffset, -1) + 1; |
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$endOffset = min($beforeOffset, $total); |
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if (isset($args['first']) && is_numeric($args['first'])) { |
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$endOffset = min($endOffset, $startOffset + $args['first']); |
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} |
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if (isset($args['last']) && is_numeric($args['last'])) { |
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$startOffset = max($startOffset, $endOffset - $args['last']); |
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} |
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$offset = max($startOffset, 0); |
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$limit = $endOffset - $startOffset; |
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return [ |
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$offset, |
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$limit, |
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$total, |
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]; |
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} |
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} |
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kreta /
Kreta
Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@returnannotation as described here.