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<?php |
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namespace EventEspresso\core\domain\services\graphql\fields; |
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use GraphQL\Type\Definition\ResolveInfo; |
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use LogicException; |
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use WPGraphQL\AppContext; |
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/** |
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* Class GraphQLField |
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* |
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* @package Event Espresso |
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* @author Manzoor Wani |
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*/ |
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class GraphQLField |
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{ |
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/** |
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* @var array $caps |
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*/ |
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protected $caps; |
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/** |
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* @var string $description |
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*/ |
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protected $description; |
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/** |
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* @var callable $formatter |
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*/ |
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protected $formatter; |
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/** |
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* @var string|null $key |
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*/ |
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protected $key; |
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/** |
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* @var string $name |
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*/ |
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protected $name; |
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/** |
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* @var callable $resolve |
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*/ |
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protected $resolver; |
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/** |
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* @var string|string[] $type |
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*/ |
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protected $type; |
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/** |
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* @param string $name |
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* @param string|string[] $type |
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* @param string|null $key |
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* @param string $description |
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* @param callable|null $formatter |
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* @param callable|null $resolver |
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* @param array $caps |
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*/ |
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public function __construct( |
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$name, |
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$type, |
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$key = null, |
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$description = '', |
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callable $formatter = null, |
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callable $resolver = null, |
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array $caps = [] |
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) { |
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$this->key = $key; |
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$this->name = $name; |
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$this->type = $type; |
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$this->description = $description; |
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$this->formatter = $formatter; |
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$this->resolver = $resolver; |
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$this->caps = $caps; |
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} |
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/** |
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* @return array |
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*/ |
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public function caps() |
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{ |
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return $this->caps; |
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} |
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/** |
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* @return string |
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*/ |
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public function description() |
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{ |
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return $this->description; |
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} |
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/** |
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* @return string |
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*/ |
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public function key() |
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{ |
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return $this->key; |
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} |
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/** |
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* @return string |
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*/ |
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public function name() |
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{ |
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return $this->name; |
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} |
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/** |
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* @return string|string[] |
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*/ |
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public function type() |
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{ |
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return $this->type; |
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} |
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/** |
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* Whether the field should resolve |
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* based on the user caps etc. |
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* |
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* @return boolean |
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*/ |
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public function shouldResolve() |
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{ |
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foreach ($this->caps as $cap) { |
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if (! current_user_can($cap)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Whether the field has an explicit resolver set. |
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* |
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* @return boolean |
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*/ |
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public function hasInternalResolver() |
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{ |
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return is_callable($this->resolver); |
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} |
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/** |
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* Whether the field has an explicit resolver set. |
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* |
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* @param mixed $source The source that's passed down the GraphQL queries |
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* @param array $args The inputArgs on the field |
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* @param AppContext $context The AppContext passed down the GraphQL tree |
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* @param ResolveInfo $info The ResolveInfo passed down the GraphQL tree |
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* @return mixed |
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* @throws LogicException |
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*/ |
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public function resolve($source, array $args, AppContext $context, ResolveInfo $info) |
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{ |
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if (! $this->hasInternalResolver()) { |
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throw new LogicException('GraphQLField has no internal resolver.'); |
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} |
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// dynamic methods using $this don't play nice |
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// so capture resolver to a single var first |
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$resolver = $this->resolver; |
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return $resolver($source, $args, $context, $info); |
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} |
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/** |
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* Checks if the format callback is set. |
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* If yes, then uses it to format the value. |
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* |
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* @param mixed $value |
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* @return mixed The formatted value. |
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*/ |
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public function mayBeFormatValue($value) |
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{ |
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if (is_callable($this->formatter)) { |
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// dynamic methods using $this don't play nice |
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// so capture formatter to a single var first |
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$formatter = $this->formatter; |
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return $formatter($value); |
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} |
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return $value; |
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} |
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/** |
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* Convert the field to array to be |
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* able to pass as config to WP GraphQL |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return get_object_vars($this); |
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} |
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} |
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eventespresso /
event-espresso-core
