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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Spiral\Domain; |
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use Cycle\ORM\ORMInterface; |
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use Spiral\Core\CoreInterceptorInterface; |
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use Spiral\Core\CoreInterface; |
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use Spiral\Core\Exception\ControllerException; |
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/** |
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* Automatically resolves cycle entities based on given parameter. |
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*/ |
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class CycleInterceptor implements CoreInterceptorInterface |
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{ |
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// when only one entity is presented the default parameter will be checked |
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protected const DEFAULT_PARAMETER = 'id'; |
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/** @var ORMInterface @internal */ |
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protected $orm; |
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/** @var array */ |
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private $cache = []; |
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/** |
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* @param ORMInterface $orm |
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*/ |
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public function __construct(ORMInterface $orm) |
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{ |
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$this->orm = $orm; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function process(string $controller, string $action, array $parameters, CoreInterface $core) |
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{ |
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$entities = $this->getDeclaredEntities($controller, $action); |
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$contextCandidates = []; |
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foreach ($entities as $parameter => $role) { |
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$value = $this->getParameter($parameter, $parameters, count($entities) === 1); |
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if ($value === null) { |
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throw new ControllerException( |
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"Entity `{$parameter}` can not be found", |
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ControllerException::NOT_FOUND |
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); |
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} |
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if (is_object($value)) { |
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if ($this->orm->getHeap()->has($value)) { |
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$contextCandidates[] = $value; |
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} |
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// pre-filled |
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continue; |
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} |
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$entity = $this->resolveEntity($role, $value); |
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if ($entity === null) { |
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throw new ControllerException( |
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"Entity `{$parameter}` can not be found", |
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ControllerException::NOT_FOUND |
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); |
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} |
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$parameters[$parameter] = $entity; |
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if ($this->orm->getHeap()->has($value)) { |
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$contextCandidates[] = $value; |
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} |
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} |
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if (!isset($parameters['@context']) && count($contextCandidates) === 1) { |
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$parameters['@context'] = current($contextCandidates); |
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} |
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return $core->callAction($controller, $action, $parameters); |
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} |
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/** |
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* @param string $role |
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* @param array $parameters |
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* @param bool $useDefault |
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* @return mixed |
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*/ |
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protected function getParameter(string $role, array $parameters, bool $useDefault = false) |
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{ |
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if (!$useDefault) { |
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return $parameters[$role] ?? null; |
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} |
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return $parameters[$role] ?? $parameters[self::DEFAULT_PARAMETER] ?? null; |
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} |
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/** |
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* @param string $role |
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* @param mixed $parameter |
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* @return object|null |
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*/ |
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protected function resolveEntity(string $role, $parameter): ?object |
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{ |
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return $this->orm->getRepository($role)->findByPK($parameter); |
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} |
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/** |
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* @param string $controller |
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* @param string $action |
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* @return array |
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*/ |
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private function getDeclaredEntities(string $controller, string $action): array |
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{ |
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$key = sprintf('%s:%s', $controller, $action); |
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if (array_key_exists($key, $this->cache)) { |
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return $this->cache[$key]; |
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} |
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$this->cache[$key] = []; |
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try { |
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$method = new \ReflectionMethod($controller, $action); |
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} catch (\ReflectionException $e) { |
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return []; |
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} |
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foreach ($method->getParameters() as $parameter) { |
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if ($parameter->getClass() === null) { |
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continue; |
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} |
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if ($this->orm->getSchema()->defines($parameter->getClass()->getName())) { |
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$this->cache[$key][$parameter->getName()] = $this->orm->resolveRole($parameter->getClass()->getName()); |
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} |
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} |
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return $this->cache[$key]; |
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} |
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} |
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spiral /
framework
