664 lines
21 KiB
PHP
664 lines
21 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Abstract Rest Terms Controler Class
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*
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* @author WooThemes
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* @category API
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* @package WooCommerce/Abstracts
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* @version 2.6.0
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*/
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abstract class WC_REST_Terms_Controller extends WP_REST_Controller {
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/**
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* Route base.
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*
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* @var string
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*/
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protected $rest_base = '';
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/**
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* Taxonomy.
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*
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* @var string
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*/
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protected $taxonomy = '';
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/**
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* Register the routes for terms.
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*/
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public function register_routes() {
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register_rest_route( $this->namespace, '/' . $this->rest_base, array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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'args' => $this->get_collection_params(),
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),
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array(
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'methods' => WP_REST_Server::CREATABLE,
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'callback' => array( $this, 'create_item' ),
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'permission_callback' => array( $this, 'create_item_permissions_check' ),
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'args' => array_merge( $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ), array(
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'name' => array(
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'required' => true,
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),
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) ),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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));
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register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_item' ),
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'permission_callback' => array( $this, 'get_item_permissions_check' ),
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'args' => array(
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'context' => $this->get_context_param( array( 'default' => 'view' ) ),
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),
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),
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array(
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'methods' => WP_REST_Server::EDITABLE,
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'callback' => array( $this, 'update_item' ),
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'permission_callback' => array( $this, 'update_item_permissions_check' ),
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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
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),
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array(
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'methods' => WP_REST_Server::DELETABLE,
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'callback' => array( $this, 'delete_item' ),
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'permission_callback' => array( $this, 'delete_item_permissions_check' ),
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'args' => array(
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'force' => array(
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'default' => false,
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'description' => __( 'Required to be true, as resource does not support trashing.', 'woocommerce' ),
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),
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),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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) );
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}
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/**
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* Check if a given request has access to read the terms.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function get_items_permissions_check( $request ) {
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$taxonomy = get_taxonomy( $this->taxonomy );
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if ( 'edit' === $request['context'] && ! current_user_can( $taxonomy->cap->edit_terms ) ) {
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return new WP_Error( 'woocommerce_rest_forbidden_context', __( 'Sorry, you cannot view this resource with edit context.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Check if a given request has access to create a term.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function create_item_permissions_check( $request ) {
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$taxonomy = get_taxonomy( $this->taxonomy );
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if ( ! current_user_can( $taxonomy->cap->manage_terms ) ) {
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return new WP_Error( 'woocommerce_rest_cannot_create', __( 'Sorry, you cannot create new resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Check if a given request has access to read a term.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function get_item_permissions_check( $request ) {
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return $this->get_items_permissions_check( $request );
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}
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/**
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* Check if a given request has access to update a term.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function update_item_permissions_check( $request ) {
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$term = get_term( (int) $request['id'], $this->taxonomy );
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if ( ! $term ) {
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return new WP_Error( "woocommerce_rest_{$this->taxonomy}_term_invalid", __( "Resource doesn't exist.", 'woocommerce' ), array( 'status' => 404 ) );
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}
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$taxonomy = get_taxonomy( $this->taxonomy );
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if ( ! current_user_can( $taxonomy->cap->edit_terms ) ) {
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return new WP_Error( 'woocommerce_rest_cannot_update', __( 'Sorry, you cannot update resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Check if a given request has access to delete a term.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|boolean
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*/
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public function delete_item_permissions_check( $request ) {
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$term = get_term( (int) $request['id'], $this->taxonomy );
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if ( ! $term ) {
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return new WP_Error( "woocommerce_rest_{$this->taxonomy}_term_invalid", __( "Resource doesn't exist.", 'woocommerce' ), array( 'status' => 404 ) );
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}
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$taxonomy = get_taxonomy( $this->taxonomy );
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if ( ! current_user_can( $taxonomy->cap->delete_terms ) ) {
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return new WP_Error( 'woocommerce_rest_cannot_delete', __( 'Sorry, you cannot delete resource.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );
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}
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return true;
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}
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/**
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* Get terms associated with a taxonomy.
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*
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* @param WP_REST_Request $request Full details about the request
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* @return WP_REST_Response|WP_Error
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*/
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public function get_items( $request ) {
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$prepared_args = array(
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'exclude' => $request['exclude'],
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'include' => $request['include'],
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'order' => $request['order'],
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'orderby' => $request['orderby'],
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'product' => $request['product'],
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'hide_empty' => $request['hide_empty'],
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'number' => $request['per_page'],
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'search' => $request['search'],
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'slug' => $request['slug'],
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);
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if ( ! empty( $request['offset'] ) ) {
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$prepared_args['offset'] = $request['offset'];
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} else {
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$prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number'];
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}
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$taxonomy = get_taxonomy( $this->taxonomy );
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if ( $taxonomy->hierarchical && isset( $request['parent'] ) ) {
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if ( 0 === $request['parent'] ) {
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// Only query top-level terms.
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$prepared_args['parent'] = 0;
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} else {
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if ( $request['parent'] ) {
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$prepared_args['parent'] = $request['parent'];
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}
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}
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}
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/**
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* Filter the query arguments, before passing them to `get_terms()`.
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*
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* Enables adding extra arguments or setting defaults for a terms
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* collection request.
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*
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* @see https://developer.wordpress.org/reference/functions/get_terms/
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*
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* @param array $prepared_args Array of arguments to be
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* passed to get_terms.
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* @param WP_REST_Request $request The current request.
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*/
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$prepared_args = apply_filters( "woocommerce_rest_{$this->taxonomy}_query", $prepared_args, $request );
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if ( ! empty( $prepared_args['product'] ) ) {
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$query_result = $this->get_terms_for_product( $prepared_args );
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$total_terms = $this->total_terms;
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} else {
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$query_result = get_terms( $this->taxonomy, $prepared_args );
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$count_args = $prepared_args;
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unset( $count_args['number'] );
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unset( $count_args['offset'] );
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$total_terms = wp_count_terms( $this->taxonomy, $count_args );
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// Ensure we don't return results when offset is out of bounds.
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// See https://core.trac.wordpress.org/ticket/35935
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if ( $prepared_args['offset'] >= $total_terms ) {
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$query_result = array();
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}
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// wp_count_terms can return a falsy value when the term has no children.
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if ( ! $total_terms ) {
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$total_terms = 0;
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}
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}
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$response = array();
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foreach ( $query_result as $term ) {
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$data = $this->prepare_item_for_response( $term, $request );
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$response[] = $this->prepare_response_for_collection( $data );
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}
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$response = rest_ensure_response( $response );
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// Store pagation values for headers then unset for count query.
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$per_page = (int) $prepared_args['number'];
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$page = ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );
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$response->header( 'X-WP-Total', (int) $total_terms );
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$max_pages = ceil( $total_terms / $per_page );
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$response->header( 'X-WP-TotalPages', (int) $max_pages );
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$base = add_query_arg( $request->get_query_params(), rest_url( '/' . $this->namespace . '/' . $this->rest_base ) );
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if ( $page > 1 ) {
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$prev_page = $page - 1;
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if ( $prev_page > $max_pages ) {
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$prev_page = $max_pages;
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}
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$prev_link = add_query_arg( 'page', $prev_page, $base );
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$response->link_header( 'prev', $prev_link );
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}
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if ( $max_pages > $page ) {
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$next_page = $page + 1;
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$next_link = add_query_arg( 'page', $next_page, $base );
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$response->link_header( 'next', $next_link );
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}
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return $response;
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}
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/**
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* Create a single term for a taxonomy.
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*
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* @param WP_REST_Request $request Full details about the request
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* @return WP_REST_Request|WP_Error
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*/
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public function create_item( $request ) {
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$name = $request['name'];
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$args = array();
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if ( isset( $request['description'] ) ) {
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$args['description'] = $request['description'];
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}
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if ( isset( $request['slug'] ) ) {
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$args['slug'] = $request['slug'];
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}
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if ( isset( $request['parent'] ) ) {
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if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
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return new WP_Error( 'woocommerce_rest_taxonomy_not_hierarchical', __( 'Can not set resource parent, taxonomy is not hierarchical.', 'woocommerce' ), array( 'status' => 400 ) );
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}
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$parent = get_term( (int) $request['parent'], $this->taxonomy );
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if ( ! $parent ) {
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return new WP_Error( 'woocommerce_rest_term_invalid', __( "Parent resource doesn't exist.", 'woocommerce' ), array( 'status' => 404 ) );
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}
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$args['parent'] = $parent->term_id;
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}
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$term = wp_insert_term( $name, $this->taxonomy, $args );
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if ( is_wp_error( $term ) ) {
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// If we're going to inform the client that the term exists, give them the identifier
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// they can actually use.
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if ( ( $term_id = $term->get_error_data( 'term_exists' ) ) ) {
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$existing_term = get_term( $term_id, $this->taxonomy );
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$term->add_data( $existing_term->term_id, 'term_exists' );
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}
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return $term;
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}
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$term = get_term( $term['term_id'], $this->taxonomy );
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$this->update_additional_fields_for_object( $term, $request );
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// Add term data.
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$meta_fields = $this->update_term_meta_fields( $term, $request );
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if ( is_wp_error( $meta_fields ) ) {
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return $meta_fields;
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}
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/**
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* Fires after a single term is created or updated via the REST API.
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*
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* @param WP_Term $term Inserted Term object.
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* @param WP_REST_Request $request Request object.
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* @param boolean $creating True when creating term, false when updating.
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*/
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do_action( "woocommerce_rest_insert_{$this->taxonomy}", $term, $request, true );
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$request->set_param( 'context', 'view' );
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$response = $this->prepare_item_for_response( $term, $request );
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$response = rest_ensure_response( $response );
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$response->set_status( 201 );
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$response->header( 'Location', rest_url( '/' . $this->namespace . '/' . $this->rest_base . '/' . $term->term_id ) );
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return $response;
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}
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/**
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* Get a single term from a taxonomy.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Request|WP_Error
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*/
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public function get_item( $request ) {
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$term = get_term( (int) $request['id'], $this->taxonomy );
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if ( ! $term || $term->taxonomy !== $this->taxonomy ) {
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return new WP_Error( 'woocommerce_rest_term_invalid', __( "Resource doesn't exist.", 'woocommerce' ), array( 'status' => 404 ) );
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}
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if ( is_wp_error( $term ) ) {
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return $term;
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}
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$response = $this->prepare_item_for_response( $term, $request );
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return rest_ensure_response( $response );
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}
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/**
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* Update a single term from a taxonomy
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*
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* @param WP_REST_Request $request Full details about the request
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* @return WP_REST_Request|WP_Error
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*/
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public function update_item( $request ) {
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$prepared_args = array();
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if ( isset( $request['name'] ) ) {
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$prepared_args['name'] = $request['name'];
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}
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if ( isset( $request['description'] ) ) {
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$prepared_args['description'] = $request['description'];
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}
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if ( isset( $request['slug'] ) ) {
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$prepared_args['slug'] = $request['slug'];
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}
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if ( isset( $request['parent'] ) ) {
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if ( ! is_taxonomy_hierarchical( $this->taxonomy ) ) {
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return new WP_Error( 'woocommerce_rest_taxonomy_not_hierarchical', __( 'Can not set resource parent, taxonomy is not hierarchical.', 'woocommerce' ), array( 'status' => 400 ) );
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}
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$parent = get_term( (int) $request['parent'], $this->taxonomy );
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if ( ! $parent ) {
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return new WP_Error( 'woocommerce_rest_term_invalid', __( "Parent resource doesn't exist.", 'woocommerce' ), array( 'status' => 400 ) );
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}
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$prepared_args['parent'] = $parent->term_id;
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}
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$term = get_term( (int) $request['id'], $this->taxonomy );
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// Only update the term if we haz something to update.
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if ( ! empty( $prepared_args ) ) {
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$update = wp_update_term( $term->term_id, $term->taxonomy, $prepared_args );
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if ( is_wp_error( $update ) ) {
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return $update;
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}
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}
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$term = get_term( (int) $request['id'], $this->taxonomy );
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$this->update_additional_fields_for_object( $term, $request );
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// Update term data.
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$meta_fields = $this->update_term_meta_fields( $term, $request );
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if ( is_wp_error( $meta_fields ) ) {
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return $meta_fields;
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}
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|
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/**
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* Fires after a single term is created or updated via the REST API.
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*
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* @param WP_Term $term Inserted Term object.
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* @param WP_REST_Request $request Request object.
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* @param boolean $creating True when creating term, false when updating.
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*/
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do_action( "woocommerce_rest_insert_{$this->taxonomy}", $term, $request, false );
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$request->set_param( 'context', 'view' );
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$response = $this->prepare_item_for_response( $term, $request );
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return rest_ensure_response( $response );
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}
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/**
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* Delete a single term from a taxonomy.
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*
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* @param WP_REST_Request $request Full details about the request
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* @return WP_REST_Response|WP_Error
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*/
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public function delete_item( $request ) {
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$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
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// We don't support trashing for this type, error out.
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if ( ! $force ) {
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return new WP_Error( 'woocommerce_rest_trash_not_supported', __( 'Resource does not support trashing.', 'woocommerce' ), array( 'status' => 501 ) );
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}
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$term = get_term( (int) $request['id'], $this->taxonomy );
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$request->set_param( 'context', 'view' );
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$response = $this->prepare_item_for_response( $term, $request );
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$retval = wp_delete_term( $term->term_id, $term->taxonomy );
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if ( ! $retval ) {
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return new WP_Error( 'woocommerce_rest_cannot_delete', __( 'The resource cannot be deleted.', 'woocommerce' ), array( 'status' => 500 ) );
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}
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/**
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* Fires after a single term is deleted via the REST API.
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*
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* @param WP_Term $term The deleted term.
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* @param WP_REST_Response $response The response data.
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* @param WP_REST_Request $request The request sent to the API.
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*/
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do_action( "woocommerce_rest_delete_{$this->taxonomy}", $term, $response, $request );
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return $response;
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}
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/**
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* Prepare links for the request.
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*
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* @param object $term Term object.
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* @return array Links for the given term.
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*/
|
|
protected function prepare_links( $term ) {
|
|
$base = '/' . $this->namespace . '/' . $this->rest_base;
|
|
$links = array(
|
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'self' => array(
|
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'href' => rest_url( trailingslashit( $base ) . $term->term_id ),
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|
),
|
|
'collection' => array(
|
|
'href' => rest_url( $base ),
|
|
),
|
|
);
|
|
|
|
if ( $term->parent ) {
|
|
$parent_term = get_term( (int) $term->parent, $term->taxonomy );
|
|
if ( $parent_term ) {
|
|
$links['up'] = array(
|
|
'href' => rest_url( trailingslashit( $base ) . $parent_term->term_id ),
|
|
);
|
|
}
|
|
}
|
|
|
|
return $links;
|
|
}
|
|
|
|
/**
|
|
* Update term meta fields.
|
|
*
|
|
* @param WP_Term $term
|
|
* @param WP_REST_Request $request
|
|
* @return bool|WP_Error
|
|
*/
|
|
protected function update_term_meta_fields( $term, $request ) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get the terms attached to a product.
|
|
*
|
|
* This is an alternative to `get_terms()` that uses `get_the_terms()`
|
|
* instead, which hits the object cache. There are a few things not
|
|
* supported, notably `include`, `exclude`. In `self::get_items()` these
|
|
* are instead treated as a full query.
|
|
*
|
|
* @param array $prepared_args Arguments for `get_terms()`.
|
|
* @return array List of term objects. (Total count in `$this->total_terms`).
|
|
*/
|
|
protected function get_terms_for_product( $prepared_args ) {
|
|
$query_result = get_the_terms( $prepared_args['product'], $this->taxonomy );
|
|
if ( empty( $query_result ) ) {
|
|
$this->total_terms = 0;
|
|
return array();
|
|
}
|
|
|
|
// get_items() verifies that we don't have `include` set, and default.
|
|
// ordering is by `name`.
|
|
if ( ! in_array( $prepared_args['orderby'], array( 'name', 'none', 'include' ) ) ) {
|
|
switch ( $prepared_args['orderby'] ) {
|
|
case 'id' :
|
|
$this->sort_column = 'term_id';
|
|
break;
|
|
|
|
case 'slug' :
|
|
case 'term_group' :
|
|
case 'description' :
|
|
case 'count' :
|
|
$this->sort_column = $prepared_args['orderby'];
|
|
break;
|
|
}
|
|
usort( $query_result, array( $this, 'compare_terms' ) );
|
|
}
|
|
if ( strtolower( $prepared_args['order'] ) !== 'asc' ) {
|
|
$query_result = array_reverse( $query_result );
|
|
}
|
|
|
|
// Pagination.
|
|
$this->total_terms = count( $query_result );
|
|
$query_result = array_slice( $query_result, $prepared_args['offset'], $prepared_args['number'] );
|
|
|
|
return $query_result;
|
|
}
|
|
|
|
/**
|
|
* Comparison function for sorting terms by a column.
|
|
*
|
|
* Uses `$this->sort_column` to determine field to sort by.
|
|
*
|
|
* @param stdClass $left Term object.
|
|
* @param stdClass $right Term object.
|
|
* @return int <0 if left is higher "priority" than right, 0 if equal, >0 if right is higher "priority" than left.
|
|
*/
|
|
protected function compare_terms( $left, $right ) {
|
|
$col = $this->sort_column;
|
|
$left_val = $left->$col;
|
|
$right_val = $right->$col;
|
|
|
|
if ( is_int( $left_val ) && is_int( $right_val ) ) {
|
|
return $left_val - $right_val;
|
|
}
|
|
|
|
return strcmp( $left_val, $right_val );
|
|
}
|
|
|
|
/**
|
|
* Get the query params for collections
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_collection_params() {
|
|
$query_params = parent::get_collection_params();
|
|
$taxonomy = get_taxonomy( $this->taxonomy );
|
|
|
|
$query_params['context']['default'] = 'view';
|
|
|
|
$query_params['exclude'] = array(
|
|
'description' => __( 'Ensure result set excludes specific ids.', 'woocommerce' ),
|
|
'type' => 'array',
|
|
'default' => array(),
|
|
'sanitize_callback' => 'wp_parse_id_list',
|
|
);
|
|
$query_params['include'] = array(
|
|
'description' => __( 'Limit result set to specific ids.', 'woocommerce' ),
|
|
'type' => 'array',
|
|
'default' => array(),
|
|
'sanitize_callback' => 'wp_parse_id_list',
|
|
);
|
|
if ( ! $taxonomy->hierarchical ) {
|
|
$query_params['offset'] = array(
|
|
'description' => __( 'Offset the result set by a specific number of items.', 'woocommerce' ),
|
|
'type' => 'integer',
|
|
'sanitize_callback' => 'absint',
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
}
|
|
$query_params['order'] = array(
|
|
'description' => __( 'Order sort attribute ascending or descending.', 'woocommerce' ),
|
|
'type' => 'string',
|
|
'sanitize_callback' => 'sanitize_key',
|
|
'default' => 'asc',
|
|
'enum' => array(
|
|
'asc',
|
|
'desc',
|
|
),
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
$query_params['orderby'] = array(
|
|
'description' => __( 'Sort collection by resource attribute.', 'woocommerce' ),
|
|
'type' => 'string',
|
|
'sanitize_callback' => 'sanitize_key',
|
|
'default' => 'name',
|
|
'enum' => array(
|
|
'id',
|
|
'include',
|
|
'name',
|
|
'slug',
|
|
'term_group',
|
|
'description',
|
|
'count',
|
|
),
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
$query_params['hide_empty'] = array(
|
|
'description' => __( 'Whether to hide resources not assigned to any products.', 'woocommerce' ),
|
|
'type' => 'boolean',
|
|
'default' => false,
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
if ( $taxonomy->hierarchical ) {
|
|
$query_params['parent'] = array(
|
|
'description' => __( 'Limit result set to resources assigned to a specific parent.', 'woocommerce' ),
|
|
'type' => 'integer',
|
|
'sanitize_callback' => 'absint',
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
}
|
|
$query_params['product'] = array(
|
|
'description' => __( 'Limit result set to resources assigned to a specific product.', 'woocommerce' ),
|
|
'type' => 'integer',
|
|
'default' => null,
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
$query_params['slug'] = array(
|
|
'description' => __( 'Limit result set to resources with a specific slug.', 'woocommerce' ),
|
|
'type' => 'string',
|
|
'validate_callback' => 'rest_validate_request_arg',
|
|
);
|
|
return $query_params;
|
|
}
|
|
}
|