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<?php |
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namespace TheCodingMachine\Tdbm\GraphQL; |
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use TheCodingMachine\TDBM\ResultIterator; |
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use Youshido\GraphQL\Config\Object\ObjectTypeConfig; |
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use Youshido\GraphQL\Type\ListType\ListType; |
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use Youshido\GraphQL\Type\NonNullType; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Type\Scalar\IntType; |
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use Youshido\GraphQL\Type\Scalar\StringType; |
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use Youshido\GraphQL\Type\TypeInterface; |
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/** |
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* Type mapping a TDBM ResultIterator. |
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* It allows easy pagination and sorting in the iterator. |
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*/ |
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class ResultIteratorType extends AbstractObjectType |
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{ |
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/** |
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* @var TypeInterface |
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*/ |
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private $beanType; |
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public function __construct(TypeInterface $beanType) |
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{ |
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parent::__construct([]); |
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$this->beanType = $beanType; |
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} |
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/** |
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* @param ObjectTypeConfig $config |
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*/ |
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public function build($config) |
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{ |
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$config->addField('count', [ |
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'type' => new IntType(), |
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'description' => 'Returns the total number of items in the collection.', |
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'resolve' => function (ResultIterator $source, $args, $info) { |
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return $source->count(); |
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} |
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]); |
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$config->addField('items', [ |
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'type' => new NonNullType(new ListType(new NonNullType($this->beanType))), |
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'description' => 'Returns the list of items in the collection.', |
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'args' => [ |
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'limit' => new IntType(), |
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'offset' => new IntType(), |
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'order' => new StringType(), |
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], |
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'resolve' => function (ResultIterator $source, $args, $info) { |
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if (isset($args['order'])) { |
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$source = $source->withOrder($args['order']); |
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} |
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if (!isset($args['limit']) && isset($args['offset'])) { |
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throw new GraphQLException('In "items" field, you can specify an offset without a limit.'); |
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} |
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if (isset($args['limit']) || isset($args['offset'])) { |
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$source = $source->take($args['offset'] ?? 0, $args['limit']); |
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} |
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return $source->toArray(); |
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} |
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]); |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.