Education And Research

/** * 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[\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 $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' ) ), ); } } Education And Research | Biosafety

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