deleteOrder mutation

includes/class-actions.php

@@ -72,6 +72,7 @@
 use WPGraphQL\Extensions\WooCommerce\Mutation\Cart_Add_Fee;
 use WPGraphQL\Extensions\WooCommerce\Mutation\Order_Create;
 use WPGraphQL\Extensions\WooCommerce\Mutation\Order_Update;
+use WPGraphQL\Extensions\WooCommerce\Mutation\Order_Delete;
 
 /**
  * Class Actions
@@ -165,5 +166,6 @@ public static function graphql_register_types() {
 		Cart_Add_Fee::register_mutation();
 		Order_Create::register_mutation();
 		Order_Update::register_mutation();
+		Order_Delete::register_mutation();
 	}
 }

includes/data/mutation/class-order-mutation.php

@@ -337,13 +337,15 @@ public static function validate_customer( $input ) {
 	/**
 	 * Purge object when creating.
 	 *
-	 * @param WC_Order $order  Object data.
+	 * @param WC_Order|Order $order         Object data.
+	 * @param boolean        $force_delete  Delete or put in trash.
 	 *
 	 * @return bool
+	 * @throws UserError  Failed to delete order.
 	 */
-	public static function purge( $order ) {
-		if ( $order instanceof WC_Order ) {
-			return $order->delete( true );
+	public static function purge( $order, $force_delete = true ) {
+		if ( is_callable( array( $order, 'delete' ) ) ) {
+			return $order->delete( $force_delete );
 		}
 
 		return false;

includes/model/class-crud-cpt.php

@@ -10,6 +10,7 @@
 
 namespace WPGraphQL\Extensions\WooCommerce\Model;
 
+use GraphQL\Error\UserError;
 use WPGraphQL\Model\Model;
 
 /**
@@ -88,6 +89,27 @@ protected function is_private() {
 		return false;
 	}
 
+	/**
+	 * Wrapper function for deleting
+	 *
+	 * @param boolean $force_delete  Should the data be deleted permanently.
+	 *
+	 * @return boolean
+	 * @throws UserError  Not authorized.
+	 */
+	public function delete( $force_delete = false ) {
+		if ( ! current_user_can( $this->post_type_object->cap->edit_posts ) ) {
+			throw new UserError(
+				__(
+					'User does not have the capabilities necessary to delete this object.',
+					'wp-graphql-woocommerce'
+				)
+			);
+		}
+
+		return $this->data->delete( $force_delete );
+	}
+
 	/**
 	 * Retrieve the cap to check if the data should be restricted for the crud object
 	 *

includes/model/class-order.php

@@ -224,7 +224,7 @@ protected function init() {
 					return ! is_null( $this->data->needs_processing() ) ? $this->data->needs_processing() : null;
 				},
 				'downloadableItems'     => function() {
-					return ! is_null( $this->data->get_downloadable_items() ) ? $this->data->get_downloadable_items() : null;
+					return ! empty( $this->data->get_downloadable_items() ) ? $this->data->get_downloadable_items() : null;
 				},
 				/**
 				 * Connection resolvers fields

includes/mutation/class-order-create.php

@@ -136,7 +136,7 @@ public static function mutate_and_get_payload() {
 			$post_type_object = get_post_type_object( 'shop_order' );
 
 			if ( ! current_user_can( $post_type_object->cap->create_posts ) ) {
-				throw new UserError( __( 'Sorry, you are not allowed to create a new order.', 'wp-graphql-woocommerce' ) );
+				throw new UserError( __( 'User does not have the capabilities necessary to create an order.', 'wp-graphql-woocommerce' ) );
 			}
 
 			// Create order.

includes/mutation/class-order-delete.php

@@ -0,0 +1,151 @@
+<?php
+/**
+ * Mutation - deleteOrder
+ *
+ * Registers mutation for delete an order.
+ *
+ * @package WPGraphQL\Extensions\WooCommerce\Mutation
+ * @since 0.2.0
+ */
+
+namespace WPGraphQL\Extensions\WooCommerce\Mutation;
+
+use GraphQL\Error\UserError;
+use GraphQL\Type\Definition\ResolveInfo;
+use GraphQLRelay\Relay;
+use WPGraphQL\AppContext;
+use WPGraphQL\Extensions\WooCommerce\Data\Mutation\Order_Mutation;
+use WPGraphQL\Extensions\WooCommerce\Model\Order;
+
+/**
+ * Class Order_Delete
+ */
+class Order_Delete {
+	/**
+	 * Registers mutation
+	 */
+	public static function register_mutation() {
+		register_graphql_mutation(
+			'deleteOrder',
+			array(
+				'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() {
+		$input_fields = array_merge(
+			array(
+				'id'          => array(
+					'type'        => 'ID',
+					'description' => __( 'Order global ID', 'wp-graphql-woocommerce' ),
+				),
+				'orderId'     => array(
+					'type'        => 'Int',
+					'description' => __( 'Order WP ID', 'wp-graphql-woocommerce' ),
+				),
+				'forceDelete' => array(
+					'type'        => 'Boolean',
+					'description' => __( 'Delete or simply place in trash.', 'wp-graphql-woocommerce' ),
+				),
+			)
+		);
+
+		return $input_fields;
+	}
+
+	/**
+	 * Defines the mutation output field configuration
+	 *
+	 * @return array
+	 */
+	public static function get_output_fields() {
+		return array(
+			'order' => array(
+				'type'    => 'Order',
+				'resolve' => function( $payload ) {
+					return $payload['order'];
+				},
+			),
+		);
+	}
+
+	/**
+	 * Defines the mutation data modification closure.
+	 *
+	 * @return callable
+	 */
+	public static function mutate_and_get_payload() {
+		return function( $input, AppContext $context, ResolveInfo $info ) {
+			$post_type_object = get_post_type_object( 'shop_order' );
+
+			if ( ! current_user_can( $post_type_object->cap->create_posts ) ) {
+				throw new UserError( __( 'User does not have the capabilities necessary to delete an order.', 'wp-graphql-woocommerce' ) );
+			}
+
+			// Retrieve order ID.
+			$order_id = null;
+			if ( ! empty( $input['id'] ) ) {
+				$id_components = Relay::fromGlobalId( $input['id'] );
+				if ( empty( $id_components['id'] ) || empty( $id_components['type'] ) ) {
+					throw new UserError( __( 'The "id" provided is invalid', 'wp-graphql-woocommerce' ) );
+				}
+				$order_id = absint( $id_components['id'] );
+			} elseif ( ! empty( $input['orderId'] ) ) {
+				$order_id = absint( $input['orderId'] );
+			} else {
+				throw new UserError( __( 'No order ID provided.', 'wp-graphql-woocommerce' ) );
+			}
+
+			$force_delete = false;
+			if ( ! empty( $input['forceDelete'] ) ) {
+				$force_delete = $input['forceDelete'];
+			}
+
+			// Get Order model instance for output.
+			$order = new Order( $order_id );
+
+			// Cache items to prevent null value errors.
+			// @codingStandardsIgnoreStart
+			$order->downloadableItems;
+			$order->get_items();
+			$order->get_items( 'fee' );
+			$order->get_items( 'shipping' );
+			$order->get_items( 'tax' );
+			$order->get_items( 'coupon' );
+			// @codingStandardsIgnoreEnd.
+
+			/**
+			 * Action called before order is deleted.
+			 *
+			 * @param WC_Order    $order   WC_Order instance.
+			 * @param array       $props   Order props array.
+			 * @param AppContext  $context Request AppContext instance.
+			 * @param ResolveInfo $info    Request ResolveInfo instance.
+			 */
+			do_action( 'woocommerce_graphql_before_order_delete', $order, $context, $info );
+
+			// Delete order.
+			$success = Order_Mutation::purge( \WC_Order_Factory::get_order( $order->ID ), $force_delete );
+
+			if ( ! $success ) {
+				throw new UserError(
+					sprintf(
+						/* translators: Deletion failed message */
+						__( 'Removal of Order %d failed', 'wp-graphql-woocommerce' ),
+						$order->get_id()
+					)
+				);
+			}
+
+			return array( 'order' => $order );
+		};
+	}
+}

includes/mutation/class-order-update.php

@@ -48,7 +48,7 @@ public static function get_input_fields() {
 					'type'        => 'ID',
 					'description' => __( 'Order global ID', 'wp-graphql-woocommerce' ),
 				),
-				'order'      => array(
+				'orderId'    => array(
 					'type'        => 'Int',
 					'description' => __( 'Order WP ID', 'wp-graphql-woocommerce' ),
 				),
@@ -88,7 +88,7 @@ public static function mutate_and_get_payload() {
 			$post_type_object = get_post_type_object( 'shop_order' );
 
 			if ( ! current_user_can( $post_type_object->cap->create_posts ) ) {
-				throw new UserError( __( 'Sorry, you are not allowed to update this order.', 'wp-graphql-woocommerce' ) );
+				throw new UserError( __( 'User does not have the capabilities necessary to update an order.', 'wp-graphql-woocommerce' ) );
 			}
 
 			// Retrieve order ID.

tests/_support/Helper/crud-helpers/order.php

@@ -295,12 +295,14 @@ public function print_query( $id ) {
 			'isDownloadPermitted'   => $data->is_download_permitted(),
 			'needsShippingAddress'  => $data->needs_shipping_address(),
 			'hasDownloadableItem'   => $data->has_downloadable_item(),
-			'downloadableItems'     => array_map(
-				function( $download ) {
-					return array( 'downloadId' => $download->get_id() );
-				},
-				$data->get_downloadable_items()
-			),
+			'downloadableItems'     => ! empty( $data->get_downloadable_items() )
+				? array_map(
+					function( $download ) {
+						return array( 'downloadId' => $download->get_id() );
+					},
+					$data->get_downloadable_items()
+				)
+				: null,
 			'needsPayment'          => $data->needs_payment(),
 			'needsProcessing'       => $data->needs_processing(),
 		);