Fix/recursive interface definitions (#934)

* fix: recursive interface definitions for Product, etc.

* devops: CI & Linter compliances met

* devops: lint-code.yml updated

---------

Co-authored-by: Geoff Taylor <geoff@axistaylor.com>

Author: MoscoviumAlchemist

.github/workflows/lint-code.yml

@@ -36,7 +36,7 @@ jobs:
           composer install
 
       - name: Cache dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}

includes/class-core-schema-filters.php

@@ -127,7 +127,7 @@ public static function register_post_types( $args, $post_type ) {
 			$args['graphql_single_name']              = 'Product';
 			$args['graphql_plural_name']              = 'Products';
 			$args['graphql_kind']                     = 'interface';
-			$args['graphql_interfaces']               = [ 'ContentNode' ];
+			$args['graphql_interfaces']               = [ 'ContentNode', 'ProductUnion' ];
 			$args['graphql_register_root_field']      = false;
 			$args['graphql_register_root_connection'] = false;
 			$args['graphql_resolve_type']             = [ self::class, 'resolve_product_type' ];
@@ -143,8 +143,8 @@ public static function register_post_types( $args, $post_type ) {
 				'Node',
 				'NodeWithFeaturedImage',
 				'ContentNode',
-				'UniformResourceIdentifiable',
 				'ProductUnion',
+				'UniformResourceIdentifiable',
 				'ProductWithPricing',
 				'ProductWithDimensions',
 				'InventoriedProduct',

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', 'Product' ],
+				'interfaces'  => [ 'Node' ],
 				'fields'      => self::get_fields(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],
 			]

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', 'Product' ],
+				'interfaces'  => [ 'Node' ],
 				'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', 'Product' ],
+				'interfaces'  => [ 'Node' ],
 				'fields'      => self::get_fields(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],
 			]

includes/type/interface/class-product-with-attributes.php

@@ -29,7 +29,7 @@ public static function register_interface(): void {
 			'ProductWithAttributes',
 			[
 				'description' => __( 'Products with default attributes.', 'wp-graphql-woocommerce' ),
-				'interfaces'  => [ 'Node', 'Product' ],
+				'interfaces'  => [ 'Node' ],
 				'fields'      => self::get_fields(),
 				'connections' => self::get_connections(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],

includes/type/interface/class-product-with-dimensions.php

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

includes/type/interface/class-product-with-pricing.php

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

includes/type/interface/class-product-with-variations.php

@@ -29,7 +29,7 @@ public static function register_interface(): void {
 			'ProductWithVariations',
 			[
 				'description' => __( 'A product with variations.', 'wp-graphql-woocommerce' ),
-				'interfaces'  => [ 'Node', 'Product', 'ProductWithAttributes' ],
+				'interfaces'  => [ 'Node', 'ProductWithAttributes' ],
 				'fields'      => self::get_fields(),
 				'connections' => self::get_connections(),
 				'resolveType' => [ Core::class, 'resolve_product_type' ],

tests/wpunit/ProductQueriesTest.php

@@ -960,6 +960,7 @@ public function testProductQueryWithInterfaces() {
 					reviewsAllowed
 					purchaseNote
 					menuOrder
+					virtual
 					... on ProductWithPricing {
 						price
 						regularPrice
@@ -985,7 +986,6 @@ public function testProductQueryWithInterfaces() {
 						shippingTaxable
 					}
 					... on DownloadableProduct {
-						virtual
 						downloadExpiry
 						downloadable
 						downloadLimit