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<?php |
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|
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namespace WPGraphQL\Type\Union; |
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|
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use WPGraphQL\Registry\TypeRegistry; |
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|
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/** |
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* @todo Remove in 3.0.0 |
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* @deprecated 1.14.1 |
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* @codeCoverageIgnore |
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*/ |
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class PostObjectUnion { |
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|
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/** |
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* Registers the Type |
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* |
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* @param ?\WPGraphQL\Registry\TypeRegistry $type_registry |
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* |
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* @throws \Exception |
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*/ |
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public static function register_type( ?TypeRegistry $type_registry = null ): void { |
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register_graphql_union_type( |
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'PostObjectUnion', |
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[ |
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'name' => 'PostObjectUnion', |
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'typeNames' => self::get_possible_types(), |
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'description' => static function () { |
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return __( 'Union between the post, page and media item types', 'wp-graphql' ); |
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}, |
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'resolveType' => static function ( $value ) { |
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_doing_it_wrong( |
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self::class, |
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esc_attr__( 'The PostObjectUnion GraphQL type is deprecated. Use the ContentNode interface instead.', 'wp-graphql' ), |
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'1.14.1' |
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); |
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|
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$type = null; |
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if ( isset( $value->post_type ) ) { |
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$post_type_object = get_post_type_object( $value->post_type ); |
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if ( isset( $post_type_object->graphql_single_name ) ) { |
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$type = \WPGraphQL::get_type_registry()->get_type( $post_type_object->graphql_single_name ); |
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} |
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} |
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|
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return ! empty( $type ) ? $type : null; |
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}, |
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] |
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); |
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} |
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|
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/** |
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* Returns a list of possible types for the union |
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* |
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* @return string[] |
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*/ |
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public static function get_possible_types() { |
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$possible_types = []; |
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$allowed_post_types = \WPGraphQL::get_allowed_post_types( 'objects', [ 'graphql_kind' => 'object' ] ); |
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|
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foreach ( $allowed_post_types as $post_type_object ) { |
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if ( empty( $possible_types[ $post_type_object->name ] ) && isset( $post_type_object->graphql_single_name ) ) { |
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$possible_types[ $post_type_object->name ] = $post_type_object->graphql_single_name; |
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} |
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} |
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|
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return $possible_types; |
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} |
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} |
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|
