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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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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 Overblog\GraphQLBundle\Resolver; |
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use GraphQL\Type\Definition\Type; |
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class TypeResolver extends AbstractResolver |
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{ |
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/** |
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* @param string $alias |
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* |
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* @return \GraphQL\Type\Definition\Type |
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*/ |
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public function resolve($alias) |
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{ |
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if (null !== $type = $this->cache->fetch($alias)) { |
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return $type; |
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} |
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$type = $this->getType($alias); |
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$this->cache->save($alias, $type); |
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return $type; |
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} |
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private function getType($alias) |
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{ |
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if (!is_string($alias)) { |
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return $alias; |
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} |
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// Non-Null |
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if ('!' === $alias[strlen($alias) - 1]) { |
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return Type::nonNull($this->getType(substr($alias, 0, -1))); |
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} |
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// List |
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if ('[' === $alias[0]) { |
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if (']' !== $alias[strlen($alias) - 1]) { |
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throw new UnresolvableException(sprintf('Invalid type "%s"', $alias)); |
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} |
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return Type::listOf($this->getType(substr($alias, 1, -1))); |
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} |
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$type = $this->getSolution($alias); |
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if (null === $type) { |
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throw new UnresolvableException( |
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sprintf('Unknown type with alias "%s" (verified service tag)', $alias) |
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); |
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} |
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return $type; |
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} |
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protected function supportedSolutionClass() |
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{ |
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return 'GraphQL\\Type\\Definition\\Type'; |
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} |
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} |
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overblog /
GraphQLBundle
