class-wc-rest-data-countries-controller.php
<?php
/**
* REST API Data countries controller.
*
* Handles requests to the /data/countries endpoint.
*
* @package WooCommerce\RestApi
* @since 3.5.0
*/
defined( 'ABSPATH' ) || exit;
/**
* REST API Data countries controller class.
*
* @package WooCommerce\RestApi
* @extends WC_REST_Controller
*/
class WC_REST_Data_Countries_Controller extends WC_REST_Data_Controller {
/**
* Endpoint namespace.
*
* @var string
*/
protected $namespace = 'wc/v3';
/**
* Route base.
*
* @var string
*/
protected $rest_base = 'data/countries';
/**
* Register routes.
*
* @since 3.5.0
*/
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' ),
)
);
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<location>[\w-]+)',
array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => array(
'location' => array(
'description' => __( 'ISO3166 alpha-2 country code.', 'woocommerce' ),
'type' => 'string',
),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Get a list of countries and states.
*
* @param string $country_code Country code.
* @param WP_REST_Request $request Request data.
* @return array|mixed Response data, ready for insertion into collection data.
*/
public function get_country( $country_code, $request ) {
$countries = WC()->countries->get_countries();
$states = WC()->countries->get_states();
$data = array();
if ( ! array_key_exists( $country_code, $countries ) ) {
return false;
}
$country = array(
'code' => $country_code,
'name' => $countries[ $country_code ],
);
$local_states = array();
if ( isset( $states[ $country_code ] ) ) {
foreach ( $states[ $country_code ] as $state_code => $state_name ) {
$local_states[] = array(
'code' => $state_code,
'name' => $state_name,
);
}
}
$country['states'] = $local_states;
return $country;
}
/**
* Return the list of states for all countries.
*
* @since 3.5.0
* @param WP_REST_Request $request Request data.
* @return WP_Error|WP_REST_Response
*/
public function get_items( $request ) {
$countries = WC()->countries->get_countries();
$data = array();
foreach ( array_keys( $countries ) as $country_code ) {
$country = $this->get_country( $country_code, $request );
$response = $this->prepare_item_for_response( $country, $request );
$data[] = $this->prepare_response_for_collection( $response );
}
return rest_ensure_response( $data );
}
/**
* Return the list of states for a given country.
*
* @since 3.5.0
* @param WP_REST_Request $request Request data.
* @return WP_Error|WP_REST_Response
*/
public function get_item( $request ) {
$data = $this->get_country( strtoupper( $request['location'] ), $request );
if ( empty( $data ) ) {
return new WP_Error( 'woocommerce_rest_data_invalid_location', __( 'There are no locations matching these parameters.', 'woocommerce' ), array( 'status' => 404 ) );
}
return $this->prepare_item_for_response( $data, $request );
}
/**
* Prepare the data object for response.
*
* @since 3.5.0
* @param object $item Data object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response $response Response data.
*/
public function prepare_item_for_response( $item, $request ) {
$data = $this->add_additional_fields_to_object( $item, $request );
$data = $this->filter_response_by_context( $data, 'view' );
$response = rest_ensure_response( $data );
$response->add_links( $this->prepare_links( $item ) );
/**
* Filter the states list for a country returned from the API.
*
* Allows modification of the location data right before it is returned.
*
* @param WP_REST_Response $response The response object.
* @param array $data The original country's states list.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'woocommerce_rest_prepare_data_country', $response, $item, $request );
}
/**
* Prepare links for the request.
*
* @param object $item Data object.
* @return array Links for the given country.
*/
protected function prepare_links( $item ) {
$country_code = strtolower( $item['code'] );
$links = array(
'self' => array(
'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->rest_base, $country_code ) ),
),
'collection' => array(
'href' => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
),
);
return $links;
}
/**
* Get the location 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_countries',
'type' => 'object',
'properties' => array(
'code' => array(
'type' => 'string',
'description' => __( 'ISO3166 alpha-2 country code.', 'woocommerce' ),
'context' => array( 'view' ),
'readonly' => true,
),
'name' => array(
'type' => 'string',
'description' => __( 'Full name of country.', 'woocommerce' ),
'context' => array( 'view' ),
'readonly' => true,
),
'states' => array(
'type' => 'array',
'description' => __( 'List of states in this country.', 'woocommerce' ),
'context' => array( 'view' ),
'readonly' => true,
'items' => array(
'type' => 'object',
'context' => array( 'view' ),
'readonly' => true,
'properties' => array(
'code' => array(
'type' => 'string',
'description' => __( 'State code.', 'woocommerce' ),
'context' => array( 'view' ),
'readonly' => true,
),
'name' => array(
'type' => 'string',
'description' => __( 'Full name of state.', 'woocommerce' ),
'context' => array( 'view' ),
'readonly' => true,
),
),
),
),
),
);
return $this->add_additional_fields_schema( $schema );
}
}
