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