<?php
/**
* REST API Tax Classes controller
*
* Handles requests to the /taxes/classes endpoint.
*
* @author WooThemes
* @category API
* @package WooCommerce/API
* @since 3.0.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* REST API Tax Classes controller class.
*
* @package WooCommerce/API
* @extends WC_REST_Controller
*/
class WC_REST_Tax_Classes_V1_Controller extends WC_REST_Controller {
/**
* Endpoint namespace.
*
* @var string
*/
protected $namespace = 'wc/v1';
/**
* Route base.
*
* @var string
*/
protected $rest_base = 'taxes/classes';
/**
* Register the routes for tax classes.
*/
public function register_routes() {
register_rest_route( $this->namespace, '/' . $this->rest_base, array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'create_item' ),
'permission_callback' => array( $this, 'create_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
),
'schema' => array( $this, 'get_public_item_schema' ),
) );
register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<slug>\w[\w\s\-]*)', array(
'args' => array(
'slug' => array(
'description' => __( 'Unique slug for the resource.', 'woocommerce' ),
'type' => 'string',
),
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => array( $this, 'delete_item' ),
'permission_callback' => array( $this, 'delete_item_permissions_check' ),
'args' => array(
'force' => array(
'default' => false,
'type' => 'boolean',
'description' => __( 'Required to be true, as resource does not support trashing.', 'woocommerce' ),
),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
) );
}
/**
* Check whether a given request has permission to read tax classes.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|boolean
*/
public function get_items_permissions_check( $request ) {
if ( ! wc_rest_check_manager_permissions( 'settings', 'read' ) ) {
return new WP_Error( 'woocommerce_rest_cannot_view', __( 'Sorry, you cannot list resources.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Check if a given request has access create tax classes.
*
* @param WP_REST_Request $request Full details about the request.
*
* @return bool|WP_Error
*/
public function create_item_permissions_check( $request ) {
if ( ! wc_rest_check_manager_permissions( 'settings', 'create' ) ) {
return new WP_Error( 'woocommerce_rest_cannot_create', __( 'Sorry, you are not allowed to create resources.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Check if a given request has access delete a tax.
*
* @param WP_REST_Request $request Full details about the request.
*
* @return bool|WP_Error
*/
public function delete_item_permissions_check( $request ) {
if ( ! wc_rest_check_manager_permissions( 'settings', 'delete' ) ) {
return new WP_Error( 'woocommerce_rest_cannot_delete', __( 'Sorry, you are not allowed to delete this resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Get all tax classes.
*
* @param WP_REST_Request $request
* @return array
*/
public function get_items( $request ) {
$tax_classes = array();
// Add standard class.
$tax_classes[] = array(
'slug' => 'standard',
'name' => __( 'Standard rate', 'woocommerce' ),
);
$classes = WC_Tax::get_tax_classes();
foreach ( $classes as $class ) {
$tax_classes[] = array(
'slug' => sanitize_title( $class ),
'name' => $class,
);
}
$data = array();
foreach ( $tax_classes as $tax_class ) {
$class = $this->prepare_item_for_response( $tax_class, $request );
$class = $this->prepare_response_for_collection( $class );
$data[] = $class;
}
return rest_ensure_response( $data );
}
/**
* Create a single tax.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response
*/
public function create_item( $request ) {
$exists = false;
$classes = WC_Tax::get_tax_classes();
$tax_class = array(
'slug' => sanitize_title( $request['name'] ),
'name' => $request['name'],
);
// Check if class exists.
foreach ( $classes as $key => $class ) {
if ( sanitize_title( $class ) === $tax_class['slug'] ) {
$exists = true;
break;
}
}
// Return error if tax class already exists.
if ( $exists ) {
return new WP_Error( 'woocommerce_rest_tax_class_exists', __( 'Cannot create existing resource.', 'woocommerce' ), array( 'status' => 400 ) );
}
// Add the new class.
$classes[] = $tax_class['name'];
update_option( 'woocommerce_tax_classes', implode( "\n", $classes ) );
$this->update_additional_fields_for_object( $tax_class, $request );
/**
* Fires after a tax class is created or updated via the REST API.
*
* @param stdClass $tax_class Data used to create the tax class.
* @param WP_REST_Request $request Request object.
* @param boolean $creating True when creating tax class, false when updating tax class.
*/
do_action( 'woocommerce_rest_insert_tax_class', (object) $tax_class, $request, true );
$request->set_param( 'context', 'edit' );
$response = $this->prepare_item_for_response( $tax_class, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->rest_base, $tax_class['slug'] ) ) );
return $response;
}
/**
* Delete a single tax class.
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response
*/
public function delete_item( $request ) {
global $wpdb;
$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
// We don't support trashing for this type, error out.
if ( ! $force ) {
return new WP_Error( 'woocommerce_rest_trash_not_supported', __( 'Taxes do not support trashing.', 'woocommerce' ), array( 'status' => 501 ) );
}
$tax_class = array(
'slug' => sanitize_title( $request['slug'] ),
'name' => '',
);
$classes = WC_Tax::get_tax_classes();
$deleted = false;
foreach ( $classes as $key => $class ) {
if ( sanitize_title( $class ) === $tax_class['slug'] ) {
$tax_class['name'] = $class;
unset( $classes[ $key ] );
$deleted = true;
break;
}
}
if ( ! $deleted ) {
return new WP_Error( 'woocommerce_rest_invalid_id', __( 'Invalid resource id.', 'woocommerce' ), array( 'status' => 400 ) );
}
update_option( 'woocommerce_tax_classes', implode( "\n", $classes ) );
// Delete tax rate locations locations from the selected class.
$wpdb->query( $wpdb->prepare( "
DELETE locations.*
FROM {$wpdb->prefix}woocommerce_tax_rate_locations AS locations
INNER JOIN
{$wpdb->prefix}woocommerce_tax_rates AS rates
ON rates.tax_rate_id = locations.tax_rate_id
WHERE rates.tax_rate_class = '%s'
", $tax_class['slug'] ) );
// Delete tax rates in the selected class.
$wpdb->delete( $wpdb->prefix . 'woocommerce_tax_rates', array( 'tax_rate_class' => $tax_class['slug'] ), array( '%s' ) );
$request->set_param( 'context', 'edit' );
$response = $this->prepare_item_for_response( $tax_class, $request );
/**
* Fires after a tax class is deleted via the REST API.
*
* @param stdClass $tax_class The tax data.
* @param WP_REST_Response $response The response returned from the API.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( 'woocommerce_rest_delete_tax', (object) $tax_class, $response, $request );
return $response;
}
/**
* Prepare a single tax class output for response.
*
* @param array $tax_class Tax class data.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response $response Response data.
*/
public function prepare_item_for_response( $tax_class, $request ) {
$data = $tax_class;
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
$response->add_links( $this->prepare_links() );
/**
* Filter tax object returned from the REST API.
*
* @param WP_REST_Response $response The response object.
* @param stdClass $tax_class Tax object used to create response.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( 'woocommerce_rest_prepare_tax', $response, (object) $tax_class, $request );
}
/**
* Prepare links for the request.
*
* @return array Links for the given tax class.
*/
protected function prepare_links() {
$links = array(
'collection' => array(
'href' => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
),
);
return $links;
}
/**
* Get the Tax Classes schema, conforming to JSON Schema
*
* @return array
*/
public function get_item_schema() {
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'tax_class',
'type' => 'object',
'properties' => array(
'slug' => array(
'description' => __( 'Unique identifier for the resource.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'name' => array(
'description' => __( 'Tax class name.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'required' => true,
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
),
),
);
return $this->add_additional_fields_schema( $schema );
}
/**
* Get the query params for collections.
*
* @return array
*/
public function get_collection_params() {
return array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
);
}
}