298 lines
8.1 KiB
PHP
298 lines
8.1 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Template_Revisions_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 6.4.0
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*/
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/**
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* Core class used to access template revisions via the REST API.
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*
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* @since 6.4.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Template_Revisions_Controller extends WP_REST_Revisions_Controller {
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/**
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* Parent post type.
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*
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* @since 6.4.0
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* @var string
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*/
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private $parent_post_type;
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/**
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* Parent controller.
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*
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* @since 6.4.0
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* @var WP_REST_Controller
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*/
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private $parent_controller;
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/**
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* The base of the parent controller's route.
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*
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* @since 6.4.0
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* @var string
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*/
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private $parent_base;
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/**
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* Constructor.
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*
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* @since 6.4.0
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*
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* @param string $parent_post_type Post type of the parent.
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*/
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public function __construct( $parent_post_type ) {
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parent::__construct( $parent_post_type );
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$this->parent_post_type = $parent_post_type;
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$post_type_object = get_post_type_object( $parent_post_type );
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$parent_controller = $post_type_object->get_rest_controller();
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if ( ! $parent_controller ) {
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$parent_controller = new WP_REST_Templates_Controller( $parent_post_type );
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}
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$this->parent_controller = $parent_controller;
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$this->rest_base = 'revisions';
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$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
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$this->namespace = ! empty( $post_type_object->rest_namespace ) ? $post_type_object->rest_namespace : 'wp/v2';
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}
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/**
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* Registers the routes for revisions based on post types supporting revisions.
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*
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* @since 6.4.0
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*
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* @see register_rest_route()
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/(?P<parent>%s%s)/%s',
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$this->parent_base,
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/*
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* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
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* Excludes invalid directory name characters: `/:<>*?"|`.
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*/
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'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
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// Matches the template name.
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'[\/\w%-]+',
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$this->rest_base
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),
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array(
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'args' => array(
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'parent' => array(
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'description' => __( 'The id of a template' ),
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'type' => 'string',
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'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
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),
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),
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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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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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register_rest_route(
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$this->namespace,
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sprintf(
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'/%s/(?P<parent>%s%s)/%s/%s',
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$this->parent_base,
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/*
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* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
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* Excludes invalid directory name characters: `/:<>*?"|`.
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*/
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'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
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// Matches the template name.
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'[\/\w%-]+',
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$this->rest_base,
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'(?P<id>[\d]+)'
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),
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array(
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'args' => array(
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'parent' => array(
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'description' => __( 'The id of a template' ),
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'type' => 'string',
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'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
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),
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'id' => array(
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'description' => __( 'Unique identifier for the revision.' ),
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'type' => 'integer',
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),
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),
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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::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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'type' => 'boolean',
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'default' => false,
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'description' => __( 'Required to be true, as revisions do not support trashing.' ),
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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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/**
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* Gets the parent post, if the ID is valid.
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*
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* @since 6.4.0
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*
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* @param int $parent_post_id Supplied ID.
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* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
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*/
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protected function get_parent( $parent_post_id ) {
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$template = get_block_template( $parent_post_id, $this->parent_post_type );
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if ( ! $template ) {
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return new WP_Error(
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'rest_post_invalid_parent',
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__( 'Invalid template parent ID.' ),
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array( 'status' => 404 )
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);
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}
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return get_post( $template->wp_id );
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}
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/**
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* Prepares the item for the REST response.
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*
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* @since 6.4.0
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*
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* @param WP_Post $item Post revision object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response Response object.
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*/
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public function prepare_item_for_response( $item, $request ) {
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$template = _build_block_template_result_from_post( $item );
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$response = $this->parent_controller->prepare_item_for_response( $template, $request );
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$fields = $this->get_fields_for_response( $request );
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$data = $response->get_data();
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if ( in_array( 'parent', $fields, true ) ) {
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$data['parent'] = (int) $item->post_parent;
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->filter_response_by_context( $data, $context );
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// Wrap the data in a response object.
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$response = new WP_REST_Response( $data );
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if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
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$links = $this->prepare_links( $template );
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$response->add_links( $links );
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}
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return $response;
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}
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/**
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* Checks if a given request has access to delete a revision.
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*
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* @since 6.4.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has access to delete the item, WP_Error object otherwise.
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*/
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public function delete_item_permissions_check( $request ) {
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$parent = $this->get_parent( $request['parent'] );
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if ( is_wp_error( $parent ) ) {
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return $parent;
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}
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if ( ! current_user_can( 'delete_post', $parent->ID ) ) {
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return new WP_Error(
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'rest_cannot_delete',
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__( 'Sorry, you are not allowed to delete revisions of this post.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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$revision = $this->get_revision( $request['id'] );
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if ( is_wp_error( $revision ) ) {
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return $revision;
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}
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if ( ! current_user_can( 'edit_theme_options' ) ) {
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return new WP_Error(
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'rest_cannot_delete',
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__( 'Sorry, you are not allowed to delete this revision.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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return true;
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}
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/**
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* Prepares links for the request.
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*
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* @since 6.4.0
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*
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* @param WP_Block_Template $template Template.
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* @return array Links for the given post.
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*/
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protected function prepare_links( $template ) {
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$links = array(
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'self' => array(
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'href' => rest_url( sprintf( '/%s/%s/%s/%s/%d', $this->namespace, $this->parent_base, $template->id, $this->rest_base, $template->wp_id ) ),
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),
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'parent' => array(
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'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->parent_base, $template->id ) ),
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),
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);
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return $links;
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}
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/**
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* Retrieves the item's schema, conforming to JSON Schema.
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*
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* @since 6.4.0
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$schema = $this->parent_controller->get_item_schema();
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$schema['properties']['parent'] = array(
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'description' => __( 'The ID for the parent of the revision.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit', 'embed' ),
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);
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$this->schema = $schema;
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return $this->add_additional_fields_schema( $this->schema );
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}
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}
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