add API endpoints

includes/API.php

@@ -72,16 +72,19 @@ public function register_routes() {
 		 * @since 1.5.0
 		 *
 		 * @param array $controllers Associative array of controller identifiers to their corresponding class names.
-		 *                            - 'auth'                  => Fully qualified name of the class handling authentication.
-		 *                            - 'settings'              => Fully qualified name of the class handling settings.
-		 *                            - 'stores'                => Fully qualified name of the class handling stores management.
-		 *                            - 'products'              => Fully qualified name of the class handling products.
-		 *                            - 'product_variations'    => Fully qualified name of the class handling product variations.
-		 *                            - 'orders'                => Fully qualified name of the class handling orders.
-		 *                            - 'customers'             => Fully qualified name of the class handling customers.
-		 *                            - 'product_tags'          => Fully qualified name of the class handling product tags.
-		 *                            - 'product_categories'    => Fully qualified name of the class handling product categories.
-		 *                            - 'taxes'                 => Fully qualified name of the class handling taxes.
+		 *        - 'auth'                  => Fully qualified name of the class handling authentication.
+		 *        - 'settings'              => Fully qualified name of the class handling settings.
+		 *        - 'stores'                => Fully qualified name of the class handling stores management.
+		 *        - 'products'              => Fully qualified name of the class handling products.
+		 *        - 'product_variations'    => Fully qualified name of the class handling product variations.
+		 *        - 'orders'                => Fully qualified name of the class handling orders.
+		 *        - 'customers'             => Fully qualified name of the class handling customers.
+		 *        - 'product_tags'          => Fully qualified name of the class handling product tags.
+		 *        - 'product_categories'    => Fully qualified name of the class handling product categories.
+		 *        - 'taxes'                 => Fully qualified name of the class handling taxes.
+		 *        - 'shipping_methods'      => Fully qualified name of the class handling shipping methods.
+		 *        - 'tax_classes'           => Fully qualified name of the class handling tax classes.
+		 *        - 'order_statuses'        => Fully qualified name of the class handling order statuses.
 		 */
 		$classes = apply_filters(
 			'woocommerce_pos_rest_api_controllers',
@@ -99,6 +102,9 @@ public function register_routes() {
 				'product_tags'          => API\Product_Tags_Controller::class,
 				'product_categories'    => API\Product_Categories_Controller::class,
 				'taxes'                 => API\Taxes_Controller::class,
+				'shipping_methods'      => API\Shipping_Methods_Controller::class,
+				'tax_classes'           => API\Tax_Classes_Controller::class,
+				'order_statuses'        => API\Data_Order_Statuses_Controller::class,
 			)
 		);
 

includes/API/Data_Order_Statuses_Controller.php

@@ -0,0 +1,138 @@
+<?php
+/**
+ * REST API Data controller.
+ */
+
+namespace WCPOS\WooCommercePOS\API;
+
+\defined( 'ABSPATH' ) || die;
+
+if ( ! class_exists( 'WC_REST_Data_Controller' ) ) {
+	return;
+}
+
+use WC_REST_Data_Controller;
+use WP_REST_Server;
+use WP_REST_Request;
+use WP_Error;
+use WP_REST_Response;
+
+/**
+ * REST API Data controller.
+ *
+ * Seems overkill to create a new class for this, but WC doesn't provide a way to get the list of order statuses.
+ */
+class Data_Order_Statuses_Controller extends WC_REST_Data_Controller {
+
+	/**
+	 * Endpoint namespace.
+	 *
+	 * @var string
+	 */
+	protected $namespace = 'wcpos/v1';
+
+		/**
+		 * Route base.
+		 *
+		 * @var string
+		 */
+	protected $rest_base = 'data/order_statuses';
+
+		/**
+		 * Return the list of order statuses.
+		 *
+		 * @param  WP_REST_Request $request Request data.
+		 * @return WP_Error|WP_REST_Response
+		 */
+	public function get_items( $request ) {
+		$statuses = wc_get_order_statuses();
+		$data     = array();
+
+		foreach ( $statuses as $status => $label ) {
+			// Remove the 'wc-' prefix from the status
+			$status = str_replace( 'wc-', '', $status );
+
+			$resource = array(
+				'status' => $status,
+				'label'  => $label,
+			);
+
+			$item   = $this->prepare_item_for_response( (object) $resource, $request );
+			$data[] = $this->prepare_response_for_collection( $item );
+		}
+
+		return rest_ensure_response( $data );
+	}
+
+		/**
+		 * Prepare a data resource object for serialization.
+		 *
+		 * @param stdClass        $resource Resource data.
+		 * @param WP_REST_Request $request  Request object.
+		 * @return WP_REST_Response $response Response data.
+		 */
+	public function prepare_item_for_response( $resource, $request ) {
+		$data = array(
+			'status' => $resource->status,
+			'label'  => $resource->label,
+		);
+
+		$data = $this->add_additional_fields_to_object( $data, $request );
+		$data = $this->filter_response_by_context( $data, 'view' );
+
+		// Wrap the data in a response object.
+		$response = rest_ensure_response( $data );
+		$response->add_links( $this->prepare_links( $resource ) );
+
+		return $response;
+	}
+
+	/**
+	 * Prepare links for the request.
+	 *
+	 * @param object $item Data object.
+	 * @return array Links for the given country.
+	 */
+	protected function prepare_links( $item ) {
+		$links = array(
+			// 'self'       => array(
+			// 'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->rest_base, $item->status ) ),
+			// ),
+			'collection' => array(
+				'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
+			),
+		);
+
+		return $links;
+	}
+
+	/**
+	 * Get the data index schema, conforming to JSON Schema.
+	 *
+	 * @since  3.5.0
+	 * @return array
+	 */
+	public function get_item_schema() {
+		$schema = array(
+			'$schema'    => 'http://json-schema.org/draft-04/schema#',
+			'title'      => 'data_index',
+			'type'       => 'object',
+			'properties' => array(
+				'status'        => array(
+					'description' => __( 'Order Status.', 'woocommerce-pos' ),
+					'type'        => 'string',
+					'context'     => array( 'view' ),
+					'readonly'    => true,
+				),
+				'label' => array(
+					'description' => __( 'Order Status Label.', 'woocommerce-pos' ),
+					'type'        => 'string',
+					'context'     => array( 'view' ),
+					'readonly'    => true,
+				),
+			),
+		);
+
+		return $this->add_additional_fields_schema( $schema );
+	}
+}

includes/API/Orders_Controller.php

@@ -80,6 +80,13 @@ public function __construct() {
 	 * @param array           $handler         Route handler used for the request.
 	 */
 	public function wcpos_dispatch_request( $dispatch_result, WP_REST_Request $request, $route, $handler ) {
+		/**
+		 * Force decimal rounding to 6 places for all order data. This matches the POS.
+		 *
+		 * @TODO - should this be flexible via a query param from the POS?
+		 */
+		$request->set_param( 'dp', '6' );
+
 		$this->wcpos_request = $request;
 		// set hpos_enabled again for tests to work @TODO - fix this
 		$this->hpos_enabled = class_exists( OrderUtil::class ) && OrderUtil::custom_orders_table_usage_is_enabled();

includes/API/Shipping_Methods_Controller.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * REST API WC Shipping Methods controller
+ */
+
+namespace WCPOS\WooCommercePOS\API;
+
+\defined( 'ABSPATH' ) || die;
+
+if ( ! class_exists( 'WC_REST_Shipping_Methods_Controller' ) ) {
+	return;
+}
+
+use WC_REST_Shipping_Methods_Controller;
+
+/**
+ * Shipping methods controller class.
+ */
+class Shipping_Methods_Controller extends WC_REST_Shipping_Methods_Controller {
+
+	/**
+	 * Endpoint namespace.
+	 *
+	 * @var string
+	 */
+	protected $namespace = 'wcpos/v1';
+}

includes/API/Tax_Classes_Controller.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * REST API Tax Classes controller class.
+ */
+
+namespace WCPOS\WooCommercePOS\API;
+
+\defined( 'ABSPATH' ) || die;
+
+if ( ! class_exists( 'WC_REST_Tax_Classes_Controller' ) ) {
+	return;
+}
+
+use WC_REST_Tax_Classes_Controller;
+
+/**
+ * REST API Tax Classes controller class.
+ */
+class Tax_Classes_Controller extends WC_REST_Tax_Classes_Controller {
+
+	/**
+	 * Endpoint namespace.
+	 *
+	 * @var string
+	 */
+	protected $namespace = 'wcpos/v1';
+}

includes/Orders.php

@@ -34,6 +34,8 @@ public function __construct() {
 		add_filter( 'woocommerce_hidden_order_itemmeta', array( $this, 'hidden_order_itemmeta' ) );
 		add_filter( 'woocommerce_order_item_product', array( $this, 'order_item_product' ), 10, 2 );
 		add_filter( 'woocommerce_order_get_tax_location', array( $this, 'get_tax_location' ), 10, 2 );
+		add_action( 'woocommerce_order_item_after_calculate_taxes', array( $this, 'order_item_after_calculate_taxes' ) );
+		add_action( 'woocommerce_order_item_shipping_after_calculate_taxes', array( $this, 'order_item_after_calculate_taxes' ) );
 
 		// order emails
 		$admin_emails = array(
@@ -264,4 +266,29 @@ public function get_tax_location( $args, WC_Abstract_Order $order ) {
 
 		return $args;
 	}
+
+	/**
+	 * Calculate taxes for an order item.
+	 *
+	 * @param WC_Order_Item|WC_Order_Item_Shipping $item Order item object.
+	 */
+	public function order_item_after_calculate_taxes( $item ) {
+		$meta_data = $item->get_meta_data();
+
+		foreach ( $meta_data as $meta ) {
+			foreach ( $meta_data as $meta ) {
+				if ( '_woocommerce_pos_data' === $meta->key ) {
+					$pos_data = json_decode( $meta->value, true );
+
+					if ( json_last_error() === JSON_ERROR_NONE ) {
+						if ( isset( $pos_data['tax_status'] ) && 'none' == $pos_data['tax_status'] ) {
+							$item->set_taxes( false );
+						}
+					} else {
+						Logger::log( 'JSON parse error: ' . json_last_error_msg() );
+					}
+				}
+			}
+		}
+	}
 }