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<?php |
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namespace Drupal\graphql\GraphQL\Visitors; |
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use GraphQL\Language\AST\NodeKind; |
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use GraphQL\Language\AST\OperationDefinitionNode; |
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use GraphQL\Language\AST\SelectionSetNode; |
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use GraphQL\Language\AST\VariableDefinition; |
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use GraphQL\Validator\Rules\AbstractQuerySecurity; |
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use GraphQL\Validator\ValidationContext; |
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class QueryEdgeCollector extends AbstractQuerySecurity { |
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/** |
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* @var array |
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*/ |
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private $calculators; |
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/** |
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* QueryEdgeCollector constructor. |
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* |
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* @param array $calculators |
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*/ |
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public function __construct(array $calculators) { |
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$this->calculators = $calculators; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function isEnabled() { |
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return !empty($this->calculators); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getVisitor(ValidationContext $context) { |
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$variables = new \ArrayObject(); |
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$structure = new \ArrayObject(); |
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return $this->invokeIfNeeded($context, [ |
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NodeKind::SELECTION_SET => function (SelectionSetNode $set) use ($context, &$structure) { |
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$parent = $context->getParentType(); |
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$structure = $this->collectFieldASTsAndDefs($context, $parent, $set, NULL, $structure); |
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}, |
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NodeKind::VARIABLE_DEFINITION => function (VariableDefinition $definition) use ($variables) { |
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$variables->append($definition); |
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}, |
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NodeKind::OPERATION_DEFINITION => [ |
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'leave' => function (OperationDefinitionNode $definition) use ($context, $variables, $structure) { |
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foreach ($this->calculators as $visitor) { |
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$visitor->calculate($definition, $context, $variables, $structure); |
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} |
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}, |
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], |
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]); |
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} |
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} |
drupal-graphql /
graphql
