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<?php |
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namespace Overblog\GraphQLBundle\Definition\Type; |
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use GraphQL\Type\Definition\CustomScalarType as BaseCustomScalarType; |
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use GraphQL\Type\Definition\ScalarType; |
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use GraphQL\Utils\Utils; |
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class CustomScalarType extends BaseCustomScalarType |
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{ |
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public function __construct(array $config = []) |
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{ |
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$config['name'] = isset($config['name']) ? $config['name'] : uniqid('CustomScalar'); |
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parent::__construct($config); |
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$this->config['scalarType'] = isset($this->config['scalarType']) ? $this->config['scalarType'] : null; |
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$this->initOptionalFunctions(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function serialize($value) |
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{ |
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return $this->call('serialize', $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parseValue($value) |
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{ |
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return $this->call('parseValue', $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parseLiteral(/* GraphQL\Language\AST\ValueNode */ $valueNode) |
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{ |
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return $this->call('parseLiteral', $valueNode); |
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} |
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private function call($type, $value) |
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{ |
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if (isset($this->config['scalarType'])) { |
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$scalarType = $this->config['scalarType']; |
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$scalarType = is_callable($scalarType) ? $scalarType() : $scalarType; |
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return call_user_func([$scalarType, $type], $value); |
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} else { |
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return parent::$type($value); |
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} |
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} |
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private function initOptionalFunctions() |
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{ |
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foreach (['parseLiteral', 'parseValue'] as $field) { |
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if (!isset($this->config[$field])) { |
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$this->config[$field] = static function () { |
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return null; |
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}; |
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} |
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} |
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} |
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public function assertValid() |
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{ |
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if (isset($this->config['scalarType'])) { |
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$scalarType = $this->config['scalarType']; |
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if (is_callable($scalarType)) { |
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$scalarType = $scalarType(); |
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} |
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Utils::invariant( |
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$scalarType instanceof ScalarType, |
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sprintf( |
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'%s must provide a valid "scalarType" instance of %s but got: %s', |
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$this->name, |
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ScalarType::class, |
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Utils::printSafe($scalarType) |
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) |
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); |
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} else { |
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parent::assertValid(); |
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} |
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} |
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} |
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overblog /
GraphQLBundle
