class-wc-rest-settings-v2-controller.php
<?php
/**
* REST API Settings controller
*
* Handles requests to the /settings endpoints.
*
* @package WooCommerce\RestApi
* @since 3.0.0
*/
defined( 'ABSPATH' ) || exit;
/**
* REST API Settings controller class.
*
* @package WooCommerce\RestApi
* @extends WC_REST_Controller
*/
class WC_REST_Settings_V2_Controller extends WC_REST_Controller {
/**
* WP REST API namespace/version.
*
* @var string
*/
protected $namespace = 'wc/v2';
/**
* Route base.
*
* @var string
*/
protected $rest_base = 'settings';
/**
* Register routes.
*
* @since 3.0.0
*/
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' ),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Get all settings groups items.
*
* @since 3.0.0
* @param WP_REST_Request $request Request data.
* @return WP_Error|WP_REST_Response
*/
public function get_items( $request ) {
$groups = apply_filters( 'woocommerce_settings_groups', array() );
if ( empty( $groups ) ) {
return new WP_Error( 'rest_setting_groups_empty', __( 'No setting groups have been registered.', 'woocommerce' ), array( 'status' => 500 ) );
}
$defaults = $this->group_defaults();
$filtered_groups = array();
foreach ( $groups as $group ) {
$sub_groups = array();
foreach ( $groups as $_group ) {
if ( ! empty( $_group['parent_id'] ) && $group['id'] === $_group['parent_id'] ) {
$sub_groups[] = $_group['id'];
}
}
$group['sub_groups'] = $sub_groups;
$group = wp_parse_args( $group, $defaults );
if ( ! is_null( $group['id'] ) && ! is_null( $group['label'] ) ) {
$group_obj = $this->filter_group( $group );
$group_data = $this->prepare_item_for_response( $group_obj, $request );
$group_data = $this->prepare_response_for_collection( $group_data );
$filtered_groups[] = $group_data;
}
}
$response = rest_ensure_response( $filtered_groups );
return $response;
}
/**
* Prepare links for the request.
*
* @param string $group_id Group ID.
* @return array Links for the given group.
*/
protected function prepare_links( $group_id ) {
$base = '/' . $this->namespace . '/' . $this->rest_base;
$links = array(
'options' => array(
'href' => rest_url( trailingslashit( $base ) . $group_id ),
),
);
return $links;
}
/**
* Prepare a report sales object for serialization.
*
* @since 3.0.0
* @param array $item Group object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response $response Response data.
*/
public function prepare_item_for_response( $item, $request ) {
$context = empty( $request['context'] ) ? 'view' : $request['context'];
$data = $this->add_additional_fields_to_object( $item, $request );
$data = $this->filter_response_by_context( $data, $context );
$response = rest_ensure_response( $data );
$response->add_links( $this->prepare_links( $item['id'] ) );
return $response;
}
/**
* Filters out bad values from the groups array/filter so we
* only return known values via the API.
*
* @since 3.0.0
* @param array $group Group.
* @return array
*/
public function filter_group( $group ) {
return array_intersect_key(
$group,
array_flip( array_filter( array_keys( $group ), array( $this, 'allowed_group_keys' ) ) )
);
}
/**
* Callback for allowed keys for each group response.
*
* @since 3.0.0
* @param string $key Key to check.
* @return boolean
*/
public function allowed_group_keys( $key ) {
return in_array( $key, array( 'id', 'label', 'description', 'parent_id', 'sub_groups' ) );
}
/**
* Returns default settings for groups. null means the field is required.
*
* @since 3.0.0
* @return array
*/
protected function group_defaults() {
return array(
'id' => null,
'label' => null,
'description' => '',
'parent_id' => '',
'sub_groups' => array(),
);
}
/**
* Makes sure the current user has access to READ the settings APIs.
*
* @since 3.0.0
* @param WP_REST_Request $request Full data 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;
}
/**
* Get the groups schema, conforming to JSON Schema.
*
* @since 3.0.0
* @return array
*/
public function get_item_schema() {
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'setting_group',
'type' => 'object',
'properties' => array(
'id' => array(
'description' => __( 'A unique identifier that can be used to link settings together.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view' ),
'readonly' => true,
),
'label' => array(
'description' => __( 'A human readable label for the setting used in interfaces.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view' ),
'readonly' => true,
),
'description' => array(
'description' => __( 'A human readable description for the setting used in interfaces.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view' ),
'readonly' => true,
),
'parent_id' => array(
'description' => __( 'ID of parent grouping.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view' ),
'readonly' => true,
),
'sub_groups' => array(
'description' => __( 'IDs for settings sub groups.', 'woocommerce' ),
'type' => 'string',
'context' => array( 'view' ),
'readonly' => true,
),
),
);
return $this->add_additional_fields_schema( $schema );
}
}