fix: "Product" interfaces shared fields fix

includes/connection/class-orders.php

@@ -146,10 +146,11 @@ private static function get_customer_refund_connection( $resolver, $customer ) {
 		$customer_id   = $customer->get_id();
 		$billing_email = $customer->get_billing_email();
 		if ( ! empty( $customer_id ) ) {
-			$args                     = [
+			$args = [
 				'customer_id' => $customer_id,
 				'return'      => 'ids',
 			];
+			/** @var array<int> $order_ids_by_customer_id */
 			$order_ids_by_customer_id = wc_get_orders( $args );
 
 			if ( is_array( $order_ids_by_customer_id ) ) {
@@ -158,10 +159,11 @@ private static function get_customer_refund_connection( $resolver, $customer ) {
 		}
 
 		if ( ! empty( $billing_email ) ) {
-			$args               = [
+			$args = [
 				'billing_email' => $billing_email,
 				'return'        => 'ids',
 			];
+			/** @var array<int> $order_ids_by_email */
 			$order_ids_by_email = wc_get_orders( $args );
 			// Merge the arrays of order IDs.
 			if ( is_array( $order_ids_by_email ) ) {
@@ -182,6 +184,7 @@ private static function get_customer_refund_connection( $resolver, $customer ) {
 			( 0 !== $customer_id && \WC()->customer->get_id() === $customer_id )
 				|| \WC()->customer->get_billing_email() === $billing_email
 		);
+
 		$resolver->set_query_arg( 'post_parent__in', array_map( 'absint', $order_ids ) );
 
 		// Execute and return connection.

includes/connection/class-product-attributes.php

@@ -10,6 +10,7 @@
 
 namespace WPGraphQL\WooCommerce\Connection;
 
+use GraphQL\Error\Error;
 use GraphQL\Type\Definition\ResolveInfo;
 use WPGraphQL\AppContext;
 use WPGraphQL\WooCommerce\Data\Connection\Product_Attribute_Connection_Resolver;
@@ -24,15 +25,11 @@ class Product_Attributes {
 	 * @return void
 	 */
 	public static function register_connections() {
-		// From Product to ProductAttribute.
-		register_graphql_connection(
-			self::get_connection_config()
-		);
-
 		// From Product to LocalProductAttribute.
 		register_graphql_connection(
 			self::get_connection_config(
 				[
+					'fromType'       => 'Product',
 					'toType'         => 'LocalProductAttribute',
 					'fromFieldName'  => 'localAttributes',
 					'connectionArgs' => [],
@@ -44,6 +41,7 @@ public static function register_connections() {
 		register_graphql_connection(
 			self::get_connection_config(
 				[
+					'fromType'       => 'Product',
 					'toType'         => 'GlobalProductAttribute',
 					'fromFieldName'  => 'globalAttributes',
 					'connectionArgs' => [],
@@ -57,15 +55,23 @@ public static function register_connections() {
 	 * with the defaults.
 	 *
 	 * @param array $args - Connection configuration.
+	 * @throws \GraphQL\Error\Error If the "fromType" or "toType" is not provided.
+	 *
 	 * @return array
 	 */
 	public static function get_connection_config( $args = [] ): array {
+		if ( ! isset( $args['fromType'] ) ) {
+			throw new Error( __( 'The "fromType" is required for the ProductAttributes connection.', 'wp-graphql-woocommerce' ) );
+		}
+
+		if ( ! isset( $args['toType'] ) ) {
+			throw new Error( __( 'The "toType" is required for the ProductAttributes connection.', 'wp-graphql-woocommerce' ) );
+		}
+
 		return array_merge(
 			[
-				'fromType'       => 'Product',
-				'toType'         => 'ProductAttribute',
 				'fromFieldName'  => 'attributes',
-				'connectionArgs' => self::get_connection_args(),
+				'connectionArgs' => [],
 				'resolve'        => static function ( $source, array $args, AppContext $context, ResolveInfo $info ) {
 					$resolver = new Product_Attribute_Connection_Resolver();
 					// phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase
@@ -82,18 +88,4 @@ public static function get_connection_config( $args = [] ): array {
 			$args
 		);
 	}
-
-	/**
-	 * Returns array of where args.
-	 *
-	 * @return array
-	 */
-	public static function get_connection_args(): array {
-		return [
-			'type' => [
-				'type'        => 'ProductAttributeTypesEnum',
-				'description' => __( 'Filter results by attribute scope.', 'wp-graphql-woocommerce' ),
-			],
-		];
-	}
 }

includes/connection/class-products.php

@@ -148,8 +148,8 @@ static function () {
 
 		register_graphql_connection(
 			[
-				'fromType'      => 'ProductVariation',
-				'toType'        => 'VariableProduct',
+				'fromType'      => 'Product',
+				'toType'        => 'Product',
 				'fromFieldName' => 'parent',
 				'description'   => __( 'The parent of the node. The parent object can be of various types', 'wp-graphql-woocommerce' ),
 				'oneToOne'      => true,

includes/type/interface/class-downloadable-product.php

@@ -25,7 +25,7 @@ public static function register_interface(): void {
 			'DownloadableProduct',
 			[
 				'description' => __( 'A downloadable product.', 'wp-graphql-woocommerce' ),
-				'interfaces'  => [ 'Node' ],
+				'interfaces'  => [ 'Node', 'Product' ],
 				'fields'      => self::get_fields(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],
 			]
@@ -47,10 +47,6 @@ public static function get_fields() {
 				'type'        => [ 'non_null' => 'Int' ],
 				'description' => __( 'Product or variation ID', 'wp-graphql-woocommerce' ),
 			],
-			'virtual'        => [
-				'type'        => 'Boolean',
-				'description' => __( 'Is product virtual?', 'wp-graphql-woocommerce' ),
-			],
 			'downloadExpiry' => [
 				'type'        => 'Int',
 				'description' => __( 'Download expiry', 'wp-graphql-woocommerce' ),

includes/type/interface/class-inventoried-product.php

@@ -25,7 +25,7 @@ public static function register_interface(): void {
 			'InventoriedProduct',
 			[
 				'description' => __( 'A product with stock information.', 'wp-graphql-woocommerce' ),
-				'interfaces'  => [ 'Node' ],
+				'interfaces'  => [ 'Node', 'Product' ],
 				'fields'      => self::get_fields(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],
 			]

includes/type/interface/class-product-union.php

@@ -26,7 +26,7 @@ public static function register_interface(): void {
 			'ProductUnion',
 			[
 				'description' => __( 'Union between the product and product variation types', 'wp-graphql-woocommerce' ),
-				'interfaces'  => [ 'Node' ],
+				'interfaces'  => [ 'Node', 'Product' ],
 				'fields'      => self::get_fields(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],
 			]

includes/type/interface/class-product-variation.php

@@ -11,9 +11,11 @@
 use GraphQL\Type\Definition\ResolveInfo;
 use WPGraphQL\AppContext;
 use WPGraphQL\WooCommerce\Core_Schema_Filters as Core;
+use WPGraphQL\WooCommerce\Data\Connection\Product_Connection_Resolver;
 use WPGraphQL\WooCommerce\Data\Connection\Variation_Attribute_Connection_Resolver;
 use WPGraphQL\WooCommerce\Type\WPObject\Meta_Data_Type;
 
+
 /**
  * Class Product_Variation
  */
@@ -285,6 +287,22 @@ public static function get_connections() {
 					return $resolver->resolve( $source, $args, $context, $info );
 				},
 			],
+			'parent'     => [
+				'toType'      => 'Product',
+				'description' => __( 'The parent of the variation', 'wp-graphql-woocommerce' ),
+				'oneToOne'    => true,
+				'queryClass'  => '\WC_Product_Query',
+				'resolve'     => static function ( $source, $args, AppContext $context, ResolveInfo $info ) {
+					if ( empty( $source->parent_id ) ) {
+						return null;
+					}
+
+					$resolver = new Product_Connection_Resolver( $source, $args, $context, $info );
+					$resolver->set_query_arg( 'p', $source->parent_id );
+
+					return $resolver->one_to_one()->get_connection();
+				},
+			],
 		];
 	}
 }