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<?php
namespace WPGraphQL\Type\TermObject;
use GraphQL\Type\Definition\ResolveInfo;
use GraphQLRelay\Relay;
use WPGraphQL\AppContext;
use WPGraphQL\Data\DataSource;
use WPGraphQL\Type\PostObject\Connection\PostObjectConnectionDefinition;
use WPGraphQL\Type\TermObject\Connection\TermObjectConnectionDefinition;
use WPGraphQL\Type\TermObject\Connection\TermObjectConnectionResolver;
use WPGraphQL\Type\WPObjectType;
use WPGraphQL\Types;
class TermObjectType extends WPObjectType {
private static $fields;
private static $taxonomy_object;
public function __construct( $taxonomy ) {
self::$taxonomy_object = get_taxonomy( $taxonomy );
$config = [
'name' => ucfirst( self::$taxonomy_object->graphql_single_name ),
'description' => sprintf( __( 'The % object type', 'wp-graphql' ), self::$taxonomy_object->graphql_single_name ),
'fields' => self::fields( self::$taxonomy_object ),
'interfaces' => [ self::node_interface() ],
];
parent::__construct( $config );
}
private static function fields( $taxonomy_object ) {
$single_name = self::$taxonomy_object->graphql_single_name;
if ( null === self::$fields ) {
self::$fields = [];
}
if ( empty( self::$fields[ $single_name ] ) ) :
$allowed_post_types = \WPGraphQL::$allowed_post_types;
self::$fields[ $single_name ] = function() use ( $single_name, $taxonomy_object, $allowed_post_types ) {
$fields = [
'id' => [
'type' => Types::non_null( Types::id() ),
'description' => __( 'The global ID for the ' . $taxonomy_object->name, 'wp-graphql' ),
'resolve' => function( \WP_Term $term, $args, AppContext $context, ResolveInfo $info ) {
return ( ! empty( $term->taxonomy ) && ! empty( $term->term_id ) ) ? Relay::toGlobalId( $term->taxonomy, $term->term_id ) : null;
},
],
$single_name . 'Id' => [
'type' => Types::int(),
'description' => __( 'The id field matches the WP_Post->ID field.', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->term_id ) ? absint( $term->term_id ) : null;
},
],
'count' => [
'type' => Types::int(),
'description' => __( 'The number of objects connected to the object', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->count ) ? absint( $term->count ) : null;
},
],
'description' => [
'type' => Types::string(),
'description' => __( 'The description of the object', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->description ) ? $term->description : null;
},
],
'name' => [
'type' => Types::string(),
'description' => __( 'The human friendly name of the object.', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->name ) ? $term->name : null;
},
],
'slug' => [
'type' => Types::string(),
'description' => __( 'An alphanumeric identifier for the object unique to its type.', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->slug ) ? $term->slug : null;
},
],
'termGroupId' => [
'type' => Types::int(),
'description' => __( 'The ID of the term group that this term object belongs to', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->term_group ) ? absint( $term->term_group ) : null;
},
],
'termTaxonomyId' => [
'type' => Types::int(),
'description' => __( 'The taxonomy ID that the object is associated with', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->term_taxonomy_id ) ? absint( $term->term_taxonomy_id ) : null;
},
],
'taxonomy' => [
'type' => Types::taxonomy(),
'description' => __( 'The name of the taxonomy this term belongs to', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, array $args, AppContext $context, ResolveInfo $info ) {
$taxonomy = get_taxonomy( $term->taxonomy );
return ! empty( $term->taxonomy ) && false !== $taxonomy ? $taxonomy : null;
},
],
'link' => [
'type' => Types::string(),
'description' => __( 'The link to the term', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, $args, AppContext $context, ResolveInfo $info ) {
$link = get_term_link( $term->term_id );
return ( ! is_wp_error( $link ) ) ? $link : null;
},
],
];
if ( true === $taxonomy_object->hierarchical ) {
$fields['parent'] = [
'type' => Types::term_object( $taxonomy_object->name ),
'description' => __( 'The parent object', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, $args, AppContext $context, ResolveInfo $info ) {
return ! empty( $term->parent ) ? DataSource::resolve_term_object( $term->parent, $term->taxonomy ) : null;
},
];
$fields['ancestors'] = [
'type' => Types::list_of( Types::term_object( $taxonomy_object->name ) ),
'description' => esc_html__( 'The ancestors of the object', 'wp-graphql' ),
'resolve' => function( \WP_Term $term, $args, AppContext $context, ResolveInfo $info ) {
$ancestors = [];
$ancestor_ids = get_ancestors( $term->term_id, $term->taxonomy );
if ( ! empty( $ancestor_ids ) ) {
foreach ( $ancestor_ids as $ancestor_id ) {
$ancestors[] = get_term( $ancestor_id );
}
}
return ! empty( $ancestors ) ? $ancestors : null;
},
];
$fields['children'] = TermObjectConnectionDefinition::connection( $taxonomy_object );
}
if ( ! empty( $allowed_post_types ) && is_array( $allowed_post_types ) ) {
foreach ( $allowed_post_types as $post_type ) {
if ( in_array( $post_type, $taxonomy_object->object_type, true ) ) {
$post_type_object = get_post_type_object( $post_type );
$fields[ $post_type_object->graphql_plural_name ] = PostObjectConnectionDefinition::connection( $post_type_object );
}
}
}
return self::prepare_fields( $fields, $single_name );
};
endif;
return ! empty( self::$fields[ $single_name ] ) ? self::$fields[ $single_name ] : null;
}
}