<?php
/**
* REST API: WP_REST_Template_Autosaves_Controller class.
*
* @package WordPress
* @subpackage REST_API
* @since 6.4.0
*/
/**
* Core class used to access template autosaves via the REST API.
*
* @since 6.4.0
*
* @see WP_REST_Autosaves_Controller
*/
class WP_REST_Template_Autosaves_Controller extends WP_REST_Autosaves_Controller {
/**
* Parent post type.
*
* @since 6.4.0
* @var string
*/
private $parent_post_type;
/**
* Parent post controller.
*
* @since 6.4.0
* @var WP_REST_Controller
*/
private $parent_controller;
/**
* Revision controller.
*
* @since 6.4.0
* @var WP_REST_Revisions_Controller
*/
private $revisions_controller;
/**
* The base of the parent controller's route.
*
* @since 6.4.0
* @var string
*/
private $parent_base;
/**
* Constructor.
*
* @since 6.4.0
*
* @param string $parent_post_type Post type of the parent.
*/
public function __construct( $parent_post_type ) {
parent::__construct( $parent_post_type );
$this->parent_post_type = $parent_post_type;
$post_type_object = get_post_type_object( $parent_post_type );
$parent_controller = $post_type_object->get_rest_controller();
if ( ! $parent_controller ) {
$parent_controller = new WP_REST_Templates_Controller( $parent_post_type );
}
$this->parent_controller = $parent_controller;
$revisions_controller = $post_type_object->get_revisions_rest_controller();
if ( ! $revisions_controller ) {
$revisions_controller = new WP_REST_Revisions_Controller( $parent_post_type );
}
$this->revisions_controller = $revisions_controller;
$this->rest_base = 'autosaves';
$this->parent_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
$this->namespace = ! empty( $post_type_object->rest_namespace ) ? $post_type_object->rest_namespace : 'wp/v2';
}
/**
* Registers the routes for autosaves.
*
* @since 6.4.0
*
* @see register_rest_route()
*/
public function register_routes() {
register_rest_route(
$this->namespace,
sprintf(
'/%s/(?P<id>%s%s)/%s',
$this->parent_base,
/*
* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
* Excludes invalid directory name characters: `/:<>*?"|`.
*/
'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
// Matches the template name.
'[\/\w%-]+',
$this->rest_base
),
array(
'args' => array(
'id' => array(
'description' => __( 'The id of a template' ),
'type' => 'string',
'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'create_item' ),
'permission_callback' => array( $this, 'create_item_permissions_check' ),
'args' => $this->parent_controller->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
sprintf(
'/%s/(?P<parent>%s%s)/%s/%s',
$this->parent_base,
/*
* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`.
* Excludes invalid directory name characters: `/:<>*?"|`.
*/
'([^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?)',
// Matches the template name.
'[\/\w%-]+',
$this->rest_base,
'(?P<id>[\d]+)'
),
array(
'args' => array(
'parent' => array(
'description' => __( 'The id of a template' ),
'type' => 'string',
'sanitize_callback' => array( $this->parent_controller, '_sanitize_template_id' ),
),
'id' => array(
'description' => __( 'The ID for the autosave.' ),
'type' => 'integer',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this->revisions_controller, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Prepares the item for the REST response.
*
* @since 6.4.0
*
* @param WP_Post $item Post revision object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
$template = _build_block_template_result_from_post( $item );
$response = $this->parent_controller->prepare_item_for_response( $template, $request );
// Don't prepare the response body for HEAD requests.
if ( $request->is_method( 'HEAD' ) ) {
return $response;
}
$fields = $this->get_fields_for_response( $request );
$data = $response->get_data();
if ( in_array( 'parent', $fields, true ) ) {
$data['parent'] = (int) $item->post_parent;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = new WP_REST_Response( $data );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$links = $this->prepare_links( $template );
$response->add_links( $links );
}
return $response;
}
/**
* Gets the autosave, if the ID is valid.
*
* @since 6.4.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Post|WP_Error Autosave post object if ID is valid, WP_Error otherwise.
*/
public function get_item( $request ) {
$parent = $this->get_parent( $request['parent'] );
if ( is_wp_error( $parent ) ) {
return $parent;
}
$autosave = wp_get_post_autosave( $parent->ID );
if ( ! $autosave ) {
return new WP_Error(
'rest_post_no_autosave',
__( 'There is no autosave revision for this template.' ),
array( 'status' => 404 )
);
}
$response = $this->prepare_item_for_response( $autosave, $request );
return $response;
}
/**
* Get the parent post.
*
* @since 6.4.0
*
* @param int $parent_id Supplied ID.
* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise.
*/
protected function get_parent( $parent_id ) {
return $this->revisions_controller->get_parent( $parent_id );
}
/**
* Prepares links for the request.
*
* @since 6.4.0
*
* @param WP_Block_Template $template Template.
* @return array Links for the given post.
*/
protected function prepare_links( $template ) {
$links = array(
'self' => array(
'href' => rest_url( sprintf( '/%s/%s/%s/%s/%d', $this->namespace, $this->parent_base, $template->id, $this->rest_base, $template->wp_id ) ),
),
'parent' => array(
'href' => rest_url( sprintf( '/%s/%s/%s', $this->namespace, $this->parent_base, $template->id ) ),
),
);
return $links;
}
/**
* Retrieves the autosave's schema, conforming to JSON Schema.
*
* @since 6.4.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$this->schema = $this->revisions_controller->get_item_schema();
return $this->add_additional_fields_schema( $this->schema );
}
}
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