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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\ResolveInfo; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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class Resolver |
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{ |
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/** |
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* @var PropertyAccessor |
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*/ |
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private static $accessor; |
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public static function defaultResolveFn($source, $args, ResolveInfo $info) |
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{ |
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$fieldName = $info->fieldName; |
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$property = null; |
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$index = sprintf('[%s]', $fieldName); |
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if (self::getAccessor()->isReadable($source, $index)) { |
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$property = self::getAccessor()->getValue($source, $index); |
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} elseif (is_object($source)) { |
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$property = self::propertyValueFromObject($source, $fieldName); |
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} |
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return $property instanceof \Closure ? $property($source, $args, $info) : $property; |
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} |
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private static function propertyValueFromObject($object, $fieldName) |
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{ |
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$property = null; |
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// accessor try to access the value using methods |
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// first before using public property directly |
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// not what we wont here! |
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if (isset($object->{$fieldName})) { |
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$property = $object->{$fieldName}; |
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} elseif (self::getAccessor()->isReadable($object, $fieldName)) { |
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$property = self::getAccessor()->getValue($object, $fieldName); |
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} |
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return $property; |
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} |
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private static function getAccessor() |
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{ |
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if (null === self::$accessor) { |
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self::$accessor = PropertyAccess::createPropertyAccessor(); |
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} |
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return self::$accessor; |
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} |
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} |
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overblog /
GraphQLBundle
