<?php
/**
* REST API: WP_REST_Post_Statuses_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 4.7.0
*/
/**
* Core class used to access post statuses via the REST API.
*
* @since 4.7.0
*
* @see WP_REST_Controller
*/
class WP_REST_Post_Statuses_Controller extends WP_REST_Controller {
/**
* Constructor.
*
* @since 4.7.0
*/
public function __construct() {
$this->namespace = 'wp/v2';
$this->rest_base = 'statuses';
}
/**
* Registers the routes for post statuses.
*
* @since 4.7.0
*
* @see register_rest_route()
*/
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' ),
'args' => $this->get_collection_params(),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace,
'/' . $this->rest_base . '/(?P<status>[\w-]+)',
array(
'args' => array(
'status' => array(
'description' => __( 'An alphanumeric identifier for the status.' ),
'type' => 'string',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Checks whether a given request has permission to read post statuses.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
*/
public function get_items_permissions_check( $request ) {
if ( 'edit' === $request['context'] ) {
$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
foreach ( $types as $type ) {
if ( current_user_can( $type->cap->edit_posts ) ) {
return true;
}
}
return new WP_Error(
'rest_cannot_view',
__( 'Sorry, you are not allowed to manage post statuses.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Retrieves all post statuses, depending on user context.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_items( $request ) {
$data = array();
$statuses = get_post_stati( array( 'internal' => false ), 'object' );
$statuses['trash'] = get_post_status_object( 'trash' );
foreach ( $statuses as $slug => $obj ) {
$ret = $this->check_read_permission( $obj );
if ( ! $ret ) {
continue;
}
$status = $this->prepare_item_for_response( $obj, $request );
$data[ $obj->name ] = $this->prepare_response_for_collection( $status );
}
return rest_ensure_response( $data );
}
/**
* Checks if a given request has access to read a post status.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$status = get_post_status_object( $request['status'] );
if ( empty( $status ) ) {
return new WP_Error(
'rest_status_invalid',
__( 'Invalid status.' ),
array( 'status' => 404 )
);
}
$check = $this->check_read_permission( $status );
if ( ! $check ) {
return new WP_Error(
'rest_cannot_read_status',
__( 'Cannot view status.' ),
array( 'status' => rest_authorization_required_code() )
);
}
return true;
}
/**
* Checks whether a given post status should be visible.
*
* @since 4.7.0
*
* @param object $status Post status.
* @return bool True if the post status is visible, otherwise false.
*/
protected function check_read_permission( $status ) {
if ( true === $status->public ) {
return true;
}
if ( false === $status->internal || 'trash' === $status->name ) {
$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );
foreach ( $types as $type ) {
if ( current_user_can( $type->cap->edit_posts ) ) {
return true;
}
}
}
return false;
}
/**
* Retrieves a specific post status.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
*/
public function get_item( $request ) {
$obj = get_post_status_object( $request['status'] );
if ( empty( $obj ) ) {
return new WP_Error(
'rest_status_invalid',
__( 'Invalid status.' ),
array( 'status' => 404 )
);
}
$data = $this->prepare_item_for_response( $obj, $request );
return rest_ensure_response( $data );
}
/**
* Prepares a post status object for serialization.
*
* @since 4.7.0
* @since 5.9.0 Renamed `$status` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param stdClass $item Post status data.
* @param WP_REST_Request $request Full details about the request.
* @return WP_REST_Response Post status data.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$status = $item;
$fields = $this->get_fields_for_response( $request );
$data = array();
if ( in_array( 'name', $fields, true ) ) {
$data['name'] = $status->label;
}
if ( in_array( 'private', $fields, true ) ) {
$data['private'] = (bool) $status->private;
}
if ( in_array( 'protected', $fields, true ) ) {
$data['protected'] = (bool) $status->protected;
}
if ( in_array( 'public', $fields, true ) ) {
$data['public'] = (bool) $status->public;
}
if ( in_array( 'queryable', $fields, true ) ) {
$data['queryable'] = (bool) $status->publicly_queryable;
}
if ( in_array( 'show_in_list', $fields, true ) ) {
$data['show_in_list'] = (bool) $status->show_in_admin_all_list;
}
if ( in_array( 'slug', $fields, true ) ) {
$data['slug'] = $status->name;
}
if ( in_array( 'date_floating', $fields, true ) ) {
$data['date_floating'] = $status->date_floating;
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
$response = rest_ensure_response( $data );
$rest_url = rest_url( rest_get_route_for_post_type_items( 'post' ) );
if ( 'publish' === $status->name ) {
$response->add_link( 'archives', $rest_url );
} else {
$response->add_link( 'archives', add_query_arg( 'status', $status->name, $rest_url ) );
}
/**
* Filters a post status returned from the REST API.
*
* Allows modification of the status data right before it is returned.
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param object $status The original post status object.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_status', $response, $status, $request );
}
/**
* Retrieves the post status' schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array Item schema data.
*/
public function get_item_schema() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'status',
'type' => 'object',
'properties' => array(
'name' => array(
'description' => __( 'The title for the status.' ),
'type' => 'string',
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'private' => array(
'description' => __( 'Whether posts with this status should be private.' ),
'type' => 'boolean',
'context' => array( 'edit' ),
'readonly' => true,
),
'protected' => array(
'description' => __( 'Whether posts with this status should be protected.' ),
'type' => 'boolean',
'context' => array( 'edit' ),
'readonly' => true,
),
'public' => array(
'description' => __( 'Whether posts of this status should be shown in the front end of the site.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'queryable' => array(
'description' => __( 'Whether posts with this status should be publicly-queryable.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'show_in_list' => array(
'description' => __( 'Whether to include posts in the edit listing for their post type.' ),
'type' => 'boolean',
'context' => array( 'edit' ),
'readonly' => true,
),
'slug' => array(
'description' => __( 'An alphanumeric identifier for the status.' ),
'type' => 'string',
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
),
'date_floating' => array(
'description' => __( 'Whether posts of this status may have floating published dates.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
),
);
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieves the query params for collections.
*
* @since 4.7.0
*
* @return array Collection parameters.
*/
public function get_collection_params() {
return array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
);
}
}
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