feat: Implements refund mutations

includes/class-type-registry.php

@@ -177,6 +177,8 @@
 		Mutation\Order_Update::register_mutation();
 		Mutation\Order_Delete::register_mutation();
 		Mutation\Order_Delete_Items::register_mutation();
+		Mutation\Refund_Create::register_mutation();
+		Mutation\Refund_Delete::register_mutation();
 		Mutation\Checkout::register_mutation();
 		Mutation\Review_Write::register_mutation();
 		Mutation\Review_Update::register_mutation();

includes/class-wp-graphql-woocommerce.php

@@ -338,6 +338,8 @@ private function includes() {
 			require $include_directory_path . 'mutation/class-order-delete-items.php';
 			require $include_directory_path . 'mutation/class-order-delete.php';
 			require $include_directory_path . 'mutation/class-order-update.php';
+			require $include_directory_path . 'mutation/class-refund-create.php';
+			require $include_directory_path . 'mutation/class-refund-delete.php';
 			require $include_directory_path . 'mutation/class-review-write.php';
 			require $include_directory_path . 'mutation/class-review-delete-restore.php';
 			require $include_directory_path . 'mutation/class-review-update.php';

includes/mutation/class-refund-create.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * Mutation - createRefund
+ *
+ * Registers mutation for creating a refund on an order.
+ *
+ * @package WPGraphQL\WooCommerce\Mutation
+ * @since TDB
+ */
+
+namespace WPGraphQL\WooCommerce\Mutation;
+
+use GraphQL\Error\UserError;
+use GraphQL\Type\Definition\ResolveInfo;
+use WC_Order_Factory;
+use WPGraphQL\AppContext;
+use WPGraphQL\WooCommerce\Data\Mutation\Order_Mutation;
+use WPGraphQL\WooCommerce\Model\Order;
+
+/**
+ * Class Refund_Create
+ */
+class Refund_Create {
+	/**
+	 * Registers mutation
+	 *
+	 * @return void
+	 */
+	public static function register_mutation() {
+		register_graphql_mutation(
+			'createRefund',
+			[
+				'inputFields'         => self::get_input_fields(),
+				'outputFields'        => self::get_output_fields(),
+				'mutateAndGetPayload' => self::mutate_and_get_payload(),
+			]
+		);
+	}
+
+    /**
+	 * Defines the mutation input field configuration
+	 *
+	 * @return array
+	 */
+	public static function get_input_fields() {
+		return [];
+    }
+
+    /**
+	 * Defines the mutation output field configuration
+	 *
+	 * @return array
+	 */
+	public static function get_output_fields() {
+		return [];
+    }
+
+    /**
+	 * Defines the mutation data modification closure.
+	 *
+	 * @return callable
+	 */
+	public static function mutate_and_get_payload() {
+		return static function ( $input, AppContext $context, ResolveInfo $info ) {
+            return [ 'id' => 0 ];
+        };
+    }
+}

includes/mutation/class-refund-delete-php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * Mutation - deleteRefund
+ *
+ * Registers mutation for delete a refund on an order.
+ *
+ * @package WPGraphQL\WooCommerce\Mutation
+ * @since TDB
+ */
+
+namespace WPGraphQL\WooCommerce\Mutation;
+
+use GraphQL\Error\UserError;
+use GraphQL\Type\Definition\ResolveInfo;
+use WC_Order_Factory;
+use WPGraphQL\AppContext;
+use WPGraphQL\WooCommerce\Data\Mutation\Order_Mutation;
+use WPGraphQL\WooCommerce\Model\Order;
+
+/**
+ * Class Refund_Delete
+ */
+class Refund_Delete {
+	/**
+	 * Registers mutation
+	 *
+	 * @return void
+	 */
+	public static function register_mutation() {
+		register_graphql_mutation(
+			'deleteRefund',
+			[
+				'inputFields'         => self::get_input_fields(),
+				'outputFields'        => self::get_output_fields(),
+				'mutateAndGetPayload' => self::mutate_and_get_payload(),
+			]
+		);
+	}
+
+    /**
+	 * Defines the mutation input field configuration
+	 *
+	 * @return array
+	 */
+	public static function get_input_fields() {
+		return [];
+    }
+
+    /**
+	 * Defines the mutation output field configuration
+	 *
+	 * @return array
+	 */
+	public static function get_output_fields() {
+		return [];
+    }
+
+    /**
+	 * Defines the mutation data modification closure.
+	 *
+	 * @return callable
+	 */
+	public static function mutate_and_get_payload() {
+		return static function ( $input, AppContext $context, ResolveInfo $info ) {
+            return [ 'id' => 0 ];
+        };
+    }
+}

tests/wpunit/RefundMutationsTest.php

@@ -0,0 +1,11 @@
+<?php
+
+class RefundMutationsTest extends \Tests\WPGraphQL\WooCommerce\TestCase\WooGraphQLTestCase {
+    public function testCreateRefundMutation() {
+        $this->markTestIncomplete();
+    }
+
+    public function testDeleteRefundMutation() {
+        $this->markTestIncomplete();
+    }
+}