woothemes/woocommerce

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includes/rest-api/Controllers/Version2/class-wc-rest-shipping-zones-v2-controller.php

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<?php
/**
 * REST API Shipping Zones controller
 *
 * Handles requests to the /shipping/zones endpoint.
 *
 * @package WooCommerce\RestApi
 * @since   3.0.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * REST API Shipping Zones class.
 *
 * @package WooCommerce\RestApi
 * @extends WC_REST_Shipping_Zones_Controller_Base
 */
class WC_REST_Shipping_Zones_V2_Controller extends WC_REST_Shipping_Zones_Controller_Base {

    /**
     * Register the routes for Shipping Zones.
     */
    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' ),
                ),
                array(
                    'methods'             => WP_REST_Server::CREATABLE,
                    'callback'            => array( $this, 'create_item' ),
                    'permission_callback' => array( $this, 'create_item_permissions_check' ),
                    'args'                => array_merge(
                        $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ), array(
                            'name' => array(
                                'required'    => true,
                                'type'        => 'string',
                                'description' => __( 'Shipping zone name.', 'woocommerce' ),
                            ),
                        )
                    ),
                ),
                'schema' => array( $this, 'get_public_item_schema' ),
            )
        );

        register_rest_route(
            $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
                'args'   => array(
                    'id' => array(
                        'description' => __( 'Unique ID for the resource.', 'woocommerce' ),
                        'type'        => 'integer',
                    ),
                ),
                array(
                    'methods'             => WP_REST_Server::READABLE,
                    'callback'            => array( $this, 'get_item' ),
                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
                ),
                array(
                    'methods'             => WP_REST_Server::EDITABLE,
                    'callback'            => array( $this, 'update_item' ),
                    'permission_callback' => array( $this, 'update_items_permissions_check' ),
                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
                ),
                array(
                    'methods'             => WP_REST_Server::DELETABLE,
                    'callback'            => array( $this, 'delete_item' ),
                    'permission_callback' => array( $this, 'delete_items_permissions_check' ),
                    'args'                => array(
                        'force' => array(
                            'default'     => false,
                            'type'        => 'boolean',
                            'description' => __( 'Whether to bypass trash and force deletion.', 'woocommerce' ),
                        ),
                    ),
                ),
                'schema' => array( $this, 'get_public_item_schema' ),
            )
        );
    }

    /**
     * Get a single Shipping Zone.
     *
     * @param WP_REST_Request $request Request data.
     * @return WP_REST_Response|WP_Error
     */
    public function get_item( $request ) {
        $zone = $this->get_zone( $request->get_param( 'id' ) );

        if ( is_wp_error( $zone ) ) {
            return $zone;
        }

        $data = $zone->get_data();
        $data = $this->prepare_item_for_response( $data, $request );
        $data = $this->prepare_response_for_collection( $data );

        return rest_ensure_response( $data );
    }

    /**
     * Get all Shipping Zones.
     *
     * @param WP_REST_Request $request Request data.
     * @return WP_REST_Response
     */
    public function get_items( $request ) {
        $rest_of_the_world = WC_Shipping_Zones::get_zone_by( 'zone_id', 0 );

        $zones = WC_Shipping_Zones::get_zones();
        array_unshift( $zones, $rest_of_the_world->get_data() );
        $data = array();

        foreach ( $zones as $zone_obj ) {
            $zone   = $this->prepare_item_for_response( $zone_obj, $request );
            $zone   = $this->prepare_response_for_collection( $zone );
            $data[] = $zone;
        }

        return rest_ensure_response( $data );
    }

    /**
     * Create a single Shipping Zone.
     *
     * @param WP_REST_Request $request Full details about the request.
     * @return WP_REST_Request|WP_Error
     */
    public function create_item( $request ) {
        $zone = new WC_Shipping_Zone( null );

        if ( ! is_null( $request->get_param( 'name' ) ) ) {
            $zone->set_zone_name( $request->get_param( 'name' ) );
        }

        if ( ! is_null( $request->get_param( 'order' ) ) ) {
            $zone->set_zone_order( $request->get_param( 'order' ) );
        }

        $zone->save();

        if ( $zone->get_id() !== 0 ) {
            $request->set_param( 'id', $zone->get_id() );
            $response = $this->get_item( $request );
            $response->set_status( 201 );
            $response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $zone->get_id() ) ) );
            return $response;
        } else {
            return new WP_Error( 'woocommerce_rest_shipping_zone_not_created', __( "Resource cannot be created. Check to make sure 'order' and 'name' are present.", 'woocommerce' ), array( 'status' => 500 ) );
        }
    }

    /**
     * Update a single Shipping Zone.
     *
     * @param WP_REST_Request $request Full details about the request.
     * @return WP_REST_Request|WP_Error
     */
    public function update_item( $request ) {
        $zone = $this->get_zone( $request->get_param( 'id' ) );

        if ( is_wp_error( $zone ) ) {
            return $zone;
        }

        if ( 0 === $zone->get_id() ) {
            return new WP_Error( 'woocommerce_rest_shipping_zone_invalid_zone', __( 'The "locations not covered by your other zones" zone cannot be updated.', 'woocommerce' ), array( 'status' => 403 ) );
        }

        $zone_changed = false;

        if ( ! is_null( $request->get_param( 'name' ) ) ) {
            $zone->set_zone_name( $request->get_param( 'name' ) );
            $zone_changed = true;
        }

        if ( ! is_null( $request->get_param( 'order' ) ) ) {
            $zone->set_zone_order( $request->get_param( 'order' ) );
            $zone_changed = true;
        }

        if ( $zone_changed ) {
            $zone->save();
        }

        return $this->get_item( $request );
    }

    /**
     * Delete a single Shipping Zone.
     *
     * @param WP_REST_Request $request Full details about the request.
     * @return WP_REST_Request|WP_Error
     */
    public function delete_item( $request ) {
        $zone = $this->get_zone( $request->get_param( 'id' ) );

        if ( is_wp_error( $zone ) ) {
            return $zone;
        }

        $force = $request['force'];

        $response = $this->get_item( $request );

        if ( $force ) {
            $zone->delete();
        } else {
            return new WP_Error( 'rest_trash_not_supported', __( 'Shipping zones do not support trashing.', 'woocommerce' ), array( 'status' => 501 ) );
        }

        return $response;
    }

    /**
     * Prepare the Shipping Zone for the REST response.
     *
     * @param array           $item Shipping Zone.
     * @param WP_REST_Request $request Request object.
     * @return WP_REST_Response $response
     */
    public function prepare_item_for_response( $item, $request ) {
        $data = array(
            'id'    => (int) $item['id'],
            'name'  => $item['zone_name'],
            'order' => (int) $item['zone_order'],
        );

        $context = empty( $request['context'] ) ? 'view' : $request['context'];
        $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( $data['id'] ) );

        return $response;
    }

    /**
     * Prepare links for the request.
     *
     * @param int $zone_id Given Shipping Zone ID.
     * @return array Links for the given Shipping Zone.
     */
    protected function prepare_links( $zone_id ) {
        $base  = '/' . $this->namespace . '/' . $this->rest_base;
        $links = array(
            'self'        => array(
                'href' => rest_url( trailingslashit( $base ) . $zone_id ),
            ),
            'collection'  => array(
                'href' => rest_url( $base ),
            ),
            'describedby' => array(
                'href' => rest_url( trailingslashit( $base ) . $zone_id . '/locations' ),
            ),
        );

        return $links;
    }

    /**
     * Get the Shipping Zones schema, conforming to JSON Schema
     *
     * @return array
     */
    public function get_item_schema() {
        $schema = array(
            '$schema'    => 'http://json-schema.org/draft-04/schema#',
            'title'      => 'shipping_zone',
            'type'       => 'object',
            'properties' => array(
                'id'    => array(
                    'description' => __( 'Unique identifier for the resource.', 'woocommerce' ),
                    'type'        => 'integer',
                    'context'     => array( 'view', 'edit' ),
                    'readonly'    => true,
                ),
                'name'  => array(
                    'description' => __( 'Shipping zone name.', 'woocommerce' ),
                    'type'        => 'string',
                    'context'     => array( 'view', 'edit' ),
                    'arg_options' => array(
                        'sanitize_callback' => 'sanitize_text_field',
                    ),
                ),
                'order' => array(
                    'description' => __( 'Shipping zone order.', 'woocommerce' ),
                    'type'        => 'integer',
                    'context'     => array( 'view', 'edit' ),
                ),
            ),
        );

        return $this->add_additional_fields_schema( $schema );
    }
}