$user_id;
if ( ! $user_id ) {
global $authordata;
$user_id = isset( $authordata->ID ) ? $authordata->ID : 0;
} else {
$authordata = get_userdata( $user_id );
}
if ( in_array( $field, array( 'login', 'pass', 'nicename', 'email', 'url', 'registered', 'activation_key', 'status' ), true ) ) {
$field = 'user_' . $field;
}
$value = isset( $authordata->$field ) ? $authordata->$field : '';
/**
* Filters the value of the requested user metadata.
*
* The filter name is dynamic and depends on the $field parameter of the function.
*
* @since 2.8.0
* @since 4.3.0 The `$original_user_id` parameter was added.
*
* @param string $value The value of the metadata.
* @param int $user_id The user ID for the value.
* @param int|false $original_user_id The original user ID, as passed to the function.
*/
return apply_filters( "get_the_author_{$field}", $value, $user_id, $original_user_id );
}
/**
* Outputs the field from the user's DB object. Defaults to current post's author.
*
* @since 2.8.0
*
* @param string $field Selects the field of the users record. See get_the_author_meta()
* for the list of possible fields.
* @param int|false $user_id Optional. User ID.
*
* @see get_the_author_meta()
*/
function the_author_meta( $field = '', $user_id = false ) {
$author_meta = get_the_author_meta( $field, $user_id );
/**
* Filters the value of the requested user metadata.
*
* The filter name is dynamic and depends on the $field parameter of the function.
*
* @since 2.8.0
*
* @param string $author_meta The value of the metadata.
* @param int|false $user_id The user ID.
*/
echo apply_filters( "the_author_{$field}", $author_meta, $user_id );
}
/**
* Retrieves either author's link or author's name.
*
* If the author has a home page set, return an HTML link, otherwise just return the
* author's name.
*
* @since 3.0.0
*
* @global WP_User $authordata The current author's data.
*
* @return string|null An HTML link if the author's url exist in user meta,
* else the result of get_the_author().
*/
function get_the_author_link() {
if ( get_the_author_meta( 'url' ) ) {
global $authordata;
$author_url = get_the_author_meta( 'url' );
$author_display_name = get_the_author();
$link = sprintf(
'%3$s',
esc_url( $author_url ),
/* translators: %s: Author's display name. */
esc_attr( sprintf( __( 'Visit %s’s website' ), $author_display_name ) ),
$author_display_name
);
/**
* Filters the author URL link HTML.
*
* @since 6.0.0
*
* @param string $link The default rendered author HTML link.
* @param string $author_url Author's URL.
* @param WP_User $authordata Author user data.
*/
return apply_filters( 'the_author_link', $link, $author_url, $authordata );
} else {
return get_the_author();
}
}
/**
* Displays either author's link or author's name.
*
* If the author has a home page set, echo an HTML link, otherwise just echo the
* author's name.
*
* @link https://developer.wordpress.org/reference/functions/the_author_link/
*
* @since 2.1.0
*/
function the_author_link() {
echo get_the_author_link();
}
/**
* Retrieves the number of posts by the author of the current post.
*
* @since 1.5.0
*
* @return int The number of posts by the author.
*/
function get_the_author_posts() {
$post = get_post();
if ( ! $post ) {
return 0;
}
return count_user_posts( $post->post_author, $post->post_type );
}
/**
* Displays the number of posts by the author of the current post.
*
* @link https://developer.wordpress.org/reference/functions/the_author_posts/
* @since 0.71
*/
function the_author_posts() {
echo get_the_author_posts();
}
/**
* Retrieves an HTML link to the author page of the current post's author.
*
* Returns an HTML-formatted link using get_author_posts_url().
*
* @since 4.4.0
*
* @global WP_User $authordata The current author's data.
*
* @return string An HTML link to the author page, or an empty string if $authordata isn't defined.
*/
function get_the_author_posts_link() {
global $authordata;
if ( ! is_object( $authordata ) ) {
return '';
}
$link = sprintf(
'%3$s',
esc_url( get_author_posts_url( $authordata->ID, $authordata->user_nicename ) ),
/* translators: %s: Author's display name. */
esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
get_the_author()
);
/**
* Filters the link to the author page of the author of the current post.
*
* @since 2.9.0
*
* @param string $link HTML link.
*/
return apply_filters( 'the_author_posts_link', $link );
}
/**
* Displays an HTML link to the author page of the current post's author.
*
* @since 1.2.0
* @since 4.4.0 Converted into a wrapper for get_the_author_posts_link()
*
* @param string $deprecated Unused.
*/
function the_author_posts_link( $deprecated = '' ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '2.1.0' );
}
echo get_the_author_posts_link();
}
/**
* Retrieves the URL to the author page for the user with the ID provided.
*
* @since 2.1.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param int $author_id Author ID.
* @param string $author_nicename Optional. The author's nicename (slug). Default empty.
* @return string The URL to the author's page.
*/
function get_author_posts_url( $author_id, $author_nicename = '' ) {
global $wp_rewrite;
$author_id = (int) $author_id;
$link = $wp_rewrite->get_author_permastruct();
if ( empty( $link ) ) {
$file = home_url( '/' );
$link = $file . '?author=' . $author_id;
} else {
if ( '' === $author_nicename ) {
$user = get_userdata( $author_id );
if ( ! empty( $user->user_nicename ) ) {
$author_nicename = $user->user_nicename;
}
}
$link = str_replace( '%author%', $author_nicename, $link );
$link = home_url( user_trailingslashit( $link ) );
}
/**
* Filters the URL to the author's page.
*
* @since 2.1.0
*
* @param string $link The URL to the author's page.
* @param int $author_id The author's ID.
* @param string $author_nicename The author's nice name.
*/
$link = apply_filters( 'author_link', $link, $author_id, $author_nicename );
return $link;
}
/**
* Lists all the authors of the site, with several options available.
*
* @link https://developer.wordpress.org/reference/functions/wp_list_authors/
*
* @since 1.2.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string|array $args {
* Optional. Array or string of default arguments.
*
* @type string $orderby How to sort the authors. Accepts 'nicename', 'email', 'url', 'registered',
* 'user_nicename', 'user_email', 'user_url', 'user_registered', 'name',
* 'display_name', 'post_count', 'ID', 'meta_value', 'user_login'. Default 'name'.
* @type string $order Sorting direction for $orderby. Accepts 'ASC', 'DESC'. Default 'ASC'.
* @type int $number Maximum authors to return or display. Default empty (all authors).
* @type bool $optioncount Show the count in parenthesis next to the author's name. Default false.
* @type bool $exclude_admin Whether to exclude the 'admin' account, if it exists. Default true.
* @type bool $show_fullname Whether to show the author's full name. Default false.
* @type bool $hide_empty Whether to hide any authors with no posts. Default true.
* @type string $feed If not empty, show a link to the author's feed and use this text as the alt
* parameter of the link. Default empty.
* @type string $feed_image If not empty, show a link to the author's feed and use this image URL as
* clickable anchor. Default empty.
* @type string $feed_type The feed type to link to. Possible values include 'rss2', 'atom'.
* Default is the value of get_default_feed().
* @type bool $echo Whether to output the result or instead return it. Default true.
* @type string $style If 'list', each author is wrapped in an `
` element, otherwise the authors
* will be separated by commas.
* @type bool $html Whether to list the items in HTML form or plaintext. Default true.
* @type int[]|string $exclude Array or comma/space-separated list of author IDs to exclude. Default empty.
* @type int[]|string $include Array or comma/space-separated list of author IDs to include. Default empty.
* }
* @return void|string Void if 'echo' argument is true, list of authors if 'echo' is false.
*/
function wp_list_authors( $args = '' ) {
global $wpdb;
$defaults = array(
'orderby' => 'name',
'order' => 'ASC',
'number' => '',
'optioncount' => false,
'exclude_admin' => true,
'show_fullname' => false,
'hide_empty' => true,
'feed' => '',
'feed_image' => '',
'feed_type' => '',
'echo' => true,
'style' => 'list',
'html' => true,
'exclude' => '',
'include' => '',
);
$args = wp_parse_args( $args, $defaults );
$return = '';
$query_args = wp_array_slice_assoc( $args, array( 'orderby', 'order', 'number', 'exclude', 'include' ) );
$query_args['fields'] = 'ids';
$authors = get_users( $query_args );
$author_count = array();
foreach ( (array) $wpdb->get_results( "SELECT DISTINCT post_author, COUNT(ID) AS count FROM $wpdb->posts WHERE " . get_private_posts_cap_sql( 'post' ) . ' GROUP BY post_author' ) as $row ) {
$author_count[ $row->post_author ] = $row->count;
}
foreach ( $authors as $author_id ) {
$posts = isset( $author_count[ $author_id ] ) ? $author_count[ $author_id ] : 0;
if ( ! $posts && $args['hide_empty'] ) {
continue;
}
$author = get_userdata( $author_id );
if ( $args['exclude_admin'] && 'admin' === $author->display_name ) {
continue;
}
if ( $args['show_fullname'] && $author->first_name && $author->last_name ) {
$name = "$author->first_name $author->last_name";
} else {
$name = $author->display_name;
}
if ( ! $args['html'] ) {
$return .= $name . ', ';
continue; // No need to go further to process HTML.
}
if ( 'list' === $args['style'] ) {
$return .= '';
}
$link = sprintf(
'%3$s',
esc_url( get_author_posts_url( $author->ID, $author->user_nicename ) ),
/* translators: %s: Author's display name. */
esc_attr( sprintf( __( 'Posts by %s' ), $author->display_name ) ),
$name
);
if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
$link .= ' ';
if ( empty( $args['feed_image'] ) ) {
$link .= '(';
}
$link .= '';
} else {
$link .= $name;
}
$link .= '';
if ( empty( $args['feed_image'] ) ) {
$link .= ')';
}
}
if ( $args['optioncount'] ) {
$link .= ' (' . $posts . ')';
}
$return .= $link;
$return .= ( 'list' === $args['style'] ) ? '' : ', ';
}
$return = rtrim( $return, ', ' );
if ( $args['echo'] ) {
echo $return;
} else {
return $return;
}
}
/**
* Determines whether this site has more than one author.
*
* Checks to see if more than one author has published posts.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 3.2.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return bool Whether or not we have more than one author
*/
function is_multi_author() {
global $wpdb;
$is_multi_author = get_transient( 'is_multi_author' );
if ( false === $is_multi_author ) {
$rows = (array) $wpdb->get_col( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2" );
$is_multi_author = 1 < count( $rows ) ? 1 : 0;
set_transient( 'is_multi_author', $is_multi_author );
}
/**
* Filters whether the site has more than one author with published posts.
*
* @since 3.2.0
*
* @param bool $is_multi_author Whether $is_multi_author should evaluate as true.
*/
return apply_filters( 'is_multi_author', (bool) $is_multi_author );
}
/**
* Helper function to clear the cache for number of authors.
*
* @since 3.2.0
* @access private
*/
function __clear_multi_author_cache() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
delete_transient( 'is_multi_author' );
}
= true;
}
}
// Sending a null date or date_gmt value resets date and date_gmt to their
// default values (`0000-00-00 00:00:00`).
if (
( ! empty( $schema['properties']['date_gmt'] ) && $request->has_param( 'date_gmt' ) && null === $request['date_gmt'] ) ||
( ! empty( $schema['properties']['date'] ) && $request->has_param( 'date' ) && null === $request['date'] )
) {
$prepared_post->post_date_gmt = null;
$prepared_post->post_date = null;
}
// Post slug.
if ( ! empty( $schema['properties']['slug'] ) && isset( $request['slug'] ) ) {
$prepared_post->post_name = $request['slug'];
}
// Author.
if ( ! empty( $schema['properties']['author'] ) && ! empty( $request['author'] ) ) {
$post_author = (int) $request['author'];
if ( get_current_user_id() !== $post_author ) {
$user_obj = get_userdata( $post_author );
if ( ! $user_obj ) {
return new WP_Error(
'rest_invalid_author',
__( 'Invalid author ID.' ),
array( 'status' => 400 )
);
}
}
$prepared_post->post_author = $post_author;
}
// Post password.
if ( ! empty( $schema['properties']['password'] ) && isset( $request['password'] ) ) {
$prepared_post->post_password = $request['password'];
if ( '' !== $request['password'] ) {
if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A post can not be sticky and have a password.' ),
array( 'status' => 400 )
);
}
if ( ! empty( $prepared_post->ID ) && is_sticky( $prepared_post->ID ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A sticky post can not be password protected.' ),
array( 'status' => 400 )
);
}
}
}
if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) {
if ( ! empty( $prepared_post->ID ) && post_password_required( $prepared_post->ID ) ) {
return new WP_Error(
'rest_invalid_field',
__( 'A password protected post can not be set to sticky.' ),
array( 'status' => 400 )
);
}
}
// Parent.
if ( ! empty( $schema['properties']['parent'] ) && isset( $request['parent'] ) ) {
if ( 0 === (int) $request['parent'] ) {
$prepared_post->post_parent = 0;
} else {
$parent = get_post( (int) $request['parent'] );
if ( empty( $parent ) ) {
return new WP_Error(
'rest_post_invalid_id',
__( 'Invalid post parent ID.' ),
array( 'status' => 400 )
);
}
$prepared_post->post_parent = (int) $parent->ID;
}
}
// Menu order.
if ( ! empty( $schema['properties']['menu_order'] ) && isset( $request['menu_order'] ) ) {
$prepared_post->menu_order = (int) $request['menu_order'];
}
// Comment status.
if ( ! empty( $schema['properties']['comment_status'] ) && ! empty( $request['comment_status'] ) ) {
$prepared_post->comment_status = $request['comment_status'];
}
// Ping status.
if ( ! empty( $schema['properties']['ping_status'] ) && ! empty( $request['ping_status'] ) ) {
$prepared_post->ping_status = $request['ping_status'];
}
if ( ! empty( $schema['properties']['template'] ) ) {
// Force template to null so that it can be handled exclusively by the REST controller.
$prepared_post->page_template = null;
}
/**
* Filters a post before it is inserted via the REST API.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_pre_insert_post`
* - `rest_pre_insert_page`
* - `rest_pre_insert_attachment`
*
* @since 4.7.0
*
* @param stdClass $prepared_post An object representing a single post prepared
* for inserting or updating the database.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( "rest_pre_insert_{$this->post_type}", $prepared_post, $request );
}
/**
* Checks whether the status is valid for the given post.
*
* Allows for sending an update request with the current status, even if that status would not be acceptable.
*
* @since 5.6.0
*
* @param string $status The provided status.
* @param WP_REST_Request $request The request object.
* @param string $param The parameter name.
* @return true|WP_Error True if the status is valid, or WP_Error if not.
*/
public function check_status( $status, $request, $param ) {
if ( $request['id'] ) {
$post = $this->get_post( $request['id'] );
if ( ! is_wp_error( $post ) && $post->post_status === $status ) {
return true;
}
}
$args = $request->get_attributes()['args'][ $param ];
return rest_validate_value_from_schema( $status, $args, $param );
}
/**
* Determines validity and normalizes the given status parameter.
*
* @since 4.7.0
*
* @param string $post_status Post status.
* @param WP_Post_Type $post_type Post type.
* @return string|WP_Error Post status or WP_Error if lacking the proper permission.
*/
protected function handle_status_param( $post_status, $post_type ) {
switch ( $post_status ) {
case 'draft':
case 'pending':
break;
case 'private':
if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_publish',
__( 'Sorry, you are not allowed to create private posts in this post type.' ),
array( 'status' => rest_authorization_required_code() )
);
}
break;
case 'publish':
case 'future':
if ( ! current_user_can( $post_type->cap->publish_posts ) ) {
return new WP_Error(
'rest_cannot_publish',
__( 'Sorry, you are not allowed to publish posts in this post type.' ),
array( 'status' => rest_authorization_required_code() )
);
}
break;
default:
if ( ! get_post_status_object( $post_status ) ) {
$post_status = 'draft';
}
break;
}
return $post_status;
}
/**
* Determines the featured media based on a request param.
*
* @since 4.7.0
*
* @param int $featured_media Featured Media ID.
* @param int $post_id Post ID.
* @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error.
*/
protected function handle_featured_media( $featured_media, $post_id ) {
$featured_media = (int) $featured_media;
if ( $featured_media ) {
$result = set_post_thumbnail( $post_id, $featured_media );
if ( $result ) {
return true;
} else {
return new WP_Error(
'rest_invalid_featured_media',
__( 'Invalid featured media ID.' ),
array( 'status' => 400 )
);
}
} else {
return delete_post_thumbnail( $post_id );
}
}
/**
* Check whether the template is valid for the given post.
*
* @since 4.9.0
*
* @param string $template Page template filename.
* @param WP_REST_Request $request Request.
* @return bool|WP_Error True if template is still valid or if the same as existing value, or false if template not supported.
*/
public function check_template( $template, $request ) {
if ( ! $template ) {
return true;
}
if ( $request['id'] ) {
$post = get_post( $request['id'] );
$current_template = get_page_template_slug( $request['id'] );
} else {
$post = null;
$current_template = '';
}
// Always allow for updating a post to the same template, even if that template is no longer supported.
if ( $template === $current_template ) {
return true;
}
// If this is a create request, get_post() will return null and wp theme will fallback to the passed post type.
$allowed_templates = wp_get_theme()->get_page_templates( $post, $this->post_type );
if ( isset( $allowed_templates[ $template ] ) ) {
return true;
}
return new WP_Error(
'rest_invalid_param',
/* translators: 1: Parameter, 2: List of valid values. */
sprintf( __( '%1$s is not one of %2$s.' ), 'template', implode( ', ', array_keys( $allowed_templates ) ) )
);
}
/**
* Sets the template for a post.
*
* @since 4.7.0
* @since 4.9.0 Added the `$validate` parameter.
*
* @param string $template Page template filename.
* @param int $post_id Post ID.
* @param bool $validate Whether to validate that the template selected is valid.
*/
public function handle_template( $template, $post_id, $validate = false ) {
if ( $validate && ! array_key_exists( $template, wp_get_theme()->get_page_templates( get_post( $post_id ) ) ) ) {
$template = '';
}
update_post_meta( $post_id, '_wp_page_template', $template );
}
/**
* Updates the post's terms from a REST request.
*
* @since 4.7.0
*
* @param int $post_id The post ID to update the terms form.
* @param WP_REST_Request $request The request object with post and terms data.
* @return null|WP_Error WP_Error on an error assigning any of the terms, otherwise null.
*/
protected function handle_terms( $post_id, $request ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( ! isset( $request[ $base ] ) ) {
continue;
}
$result = wp_set_object_terms( $post_id, $request[ $base ], $taxonomy->name );
if ( is_wp_error( $result ) ) {
return $result;
}
}
}
/**
* Checks whether current user can assign all terms sent with the current request.
*
* @since 4.7.0
*
* @param WP_REST_Request $request The request object with post and terms data.
* @return bool Whether the current user can assign the provided terms.
*/
protected function check_assign_terms_permission( $request ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( ! isset( $request[ $base ] ) ) {
continue;
}
foreach ( (array) $request[ $base ] as $term_id ) {
// Invalid terms will be rejected later.
if ( ! get_term( $term_id, $taxonomy->name ) ) {
continue;
}
if ( ! current_user_can( 'assign_term', (int) $term_id ) ) {
return false;
}
}
}
return true;
}
/**
* Checks if a given post type can be viewed or managed.
*
* @since 4.7.0
*
* @param WP_Post_Type|string $post_type Post type name or object.
* @return bool Whether the post type is allowed in REST.
*/
protected function check_is_post_type_allowed( $post_type ) {
if ( ! is_object( $post_type ) ) {
$post_type = get_post_type_object( $post_type );
}
if ( ! empty( $post_type ) && ! empty( $post_type->show_in_rest ) ) {
return true;
}
return false;
}
/**
* Checks if a post can be read.
*
* Correctly handles posts with the inherit status.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be read.
*/
public function check_read_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
// Is the post readable?
if ( 'publish' === $post->post_status || current_user_can( 'read_post', $post->ID ) ) {
return true;
}
$post_status_obj = get_post_status_object( $post->post_status );
if ( $post_status_obj && $post_status_obj->public ) {
return true;
}
// Can we read the parent if we're inheriting?
if ( 'inherit' === $post->post_status && $post->post_parent > 0 ) {
$parent = get_post( $post->post_parent );
if ( $parent ) {
return $this->check_read_permission( $parent );
}
}
/*
* If there isn't a parent, but the status is set to inherit, assume
* it's published (as per get_post_status()).
*/
if ( 'inherit' === $post->post_status ) {
return true;
}
return false;
}
/**
* Checks if a post can be edited.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be edited.
*/
protected function check_update_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( 'edit_post', $post->ID );
}
/**
* Checks if a post can be created.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be created.
*/
protected function check_create_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( $post_type->cap->create_posts );
}
/**
* Checks if a post can be deleted.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return bool Whether the post can be deleted.
*/
protected function check_delete_permission( $post ) {
$post_type = get_post_type_object( $post->post_type );
if ( ! $this->check_is_post_type_allowed( $post_type ) ) {
return false;
}
return current_user_can( 'delete_post', $post->ID );
}
/**
* Prepares a single post output for response.
*
* @since 4.7.0
* @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param WP_Post $item Post object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$post = $item;
$GLOBALS['post'] = $post;
setup_postdata( $post );
$fields = $this->get_fields_for_response( $request );
// Base fields for every post.
$data = array();
if ( rest_is_field_included( 'id', $fields ) ) {
$data['id'] = $post->ID;
}
if ( rest_is_field_included( 'date', $fields ) ) {
$data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date );
}
if ( rest_is_field_included( 'date_gmt', $fields ) ) {
/*
* For drafts, `post_date_gmt` may not be set, indicating that the date
* of the draft should be updated each time it is saved (see #38883).
* In this case, shim the value based on the `post_date` field
* with the site's timezone offset applied.
*/
if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) {
$post_date_gmt = get_gmt_from_date( $post->post_date );
} else {
$post_date_gmt = $post->post_date_gmt;
}
$data['date_gmt'] = $this->prepare_date_response( $post_date_gmt );
}
if ( rest_is_field_included( 'guid', $fields ) ) {
$data['guid'] = array(
/** This filter is documented in wp-includes/post-template.php */
'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ),
'raw' => $post->guid,
);
}
if ( rest_is_field_included( 'modified', $fields ) ) {
$data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified );
}
if ( rest_is_field_included( 'modified_gmt', $fields ) ) {
/*
* For drafts, `post_modified_gmt` may not be set (see `post_date_gmt` comments
* above). In this case, shim the value based on the `post_modified` field
* with the site's timezone offset applied.
*/
if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) {
$post_modified_gmt = gmdate( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - ( get_option( 'gmt_offset' ) * 3600 ) );
} else {
$post_modified_gmt = $post->post_modified_gmt;
}
$data['modified_gmt'] = $this->prepare_date_response( $post_modified_gmt );
}
if ( rest_is_field_included( 'password', $fields ) ) {
$data['password'] = $post->post_password;
}
if ( rest_is_field_included( 'slug', $fields ) ) {
$data['slug'] = $post->post_name;
}
if ( rest_is_field_included( 'status', $fields ) ) {
$data['status'] = $post->post_status;
}
if ( rest_is_field_included( 'type', $fields ) ) {
$data['type'] = $post->post_type;
}
if ( rest_is_field_included( 'link', $fields ) ) {
$data['link'] = get_permalink( $post->ID );
}
if ( rest_is_field_included( 'title', $fields ) ) {
$data['title'] = array();
}
if ( rest_is_field_included( 'title.raw', $fields ) ) {
$data['title']['raw'] = $post->post_title;
}
if ( rest_is_field_included( 'title.rendered', $fields ) ) {
add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
$data['title']['rendered'] = get_the_title( $post->ID );
remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) );
}
$has_password_filter = false;
if ( $this->can_access_password_content( $post, $request ) ) {
$this->password_check_passed[ $post->ID ] = true;
// Allow access to the post, permissions already checked before.
add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 );
$has_password_filter = true;
}
if ( rest_is_field_included( 'content', $fields ) ) {
$data['content'] = array();
}
if ( rest_is_field_included( 'content.raw', $fields ) ) {
$data['content']['raw'] = $post->post_content;
}
if ( rest_is_field_included( 'content.rendered', $fields ) ) {
/** This filter is documented in wp-includes/post-template.php */
$data['content']['rendered'] = post_password_required( $post ) ? '' : apply_filters( 'the_content', $post->post_content );
}
if ( rest_is_field_included( 'content.protected', $fields ) ) {
$data['content']['protected'] = (bool) $post->post_password;
}
if ( rest_is_field_included( 'content.block_version', $fields ) ) {
$data['content']['block_version'] = block_version( $post->post_content );
}
if ( rest_is_field_included( 'excerpt', $fields ) ) {
/** This filter is documented in wp-includes/post-template.php */
$excerpt = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
/** This filter is documented in wp-includes/post-template.php */
$excerpt = apply_filters( 'the_excerpt', $excerpt );
$data['excerpt'] = array(
'raw' => $post->post_excerpt,
'rendered' => post_password_required( $post ) ? '' : $excerpt,
'protected' => (bool) $post->post_password,
);
}
if ( $has_password_filter ) {
// Reset filter.
remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
}
if ( rest_is_field_included( 'author', $fields ) ) {
$data['author'] = (int) $post->post_author;
}
if ( rest_is_field_included( 'featured_media', $fields ) ) {
$data['featured_media'] = (int) get_post_thumbnail_id( $post->ID );
}
if ( rest_is_field_included( 'parent', $fields ) ) {
$data['parent'] = (int) $post->post_parent;
}
if ( rest_is_field_included( 'menu_order', $fields ) ) {
$data['menu_order'] = (int) $post->menu_order;
}
if ( rest_is_field_included( 'comment_status', $fields ) ) {
$data['comment_status'] = $post->comment_status;
}
if ( rest_is_field_included( 'ping_status', $fields ) ) {
$data['ping_status'] = $post->ping_status;
}
if ( rest_is_field_included( 'sticky', $fields ) ) {
$data['sticky'] = is_sticky( $post->ID );
}
if ( rest_is_field_included( 'template', $fields ) ) {
$template = get_page_template_slug( $post->ID );
if ( $template ) {
$data['template'] = $template;
} else {
$data['template'] = '';
}
}
if ( rest_is_field_included( 'format', $fields ) ) {
$data['format'] = get_post_format( $post->ID );
// Fill in blank post format.
if ( empty( $data['format'] ) ) {
$data['format'] = 'standard';
}
}
if ( rest_is_field_included( 'meta', $fields ) ) {
$data['meta'] = $this->meta->get_value( $post->ID, $request );
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( rest_is_field_included( $base, $fields ) ) {
$terms = get_the_terms( $post, $taxonomy->name );
$data[ $base ] = $terms ? array_values( wp_list_pluck( $terms, 'term_id' ) ) : array();
}
}
$post_type_obj = get_post_type_object( $post->post_type );
if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) {
$permalink_template_requested = rest_is_field_included( 'permalink_template', $fields );
$generated_slug_requested = rest_is_field_included( 'generated_slug', $fields );
if ( $permalink_template_requested || $generated_slug_requested ) {
if ( ! function_exists( 'get_sample_permalink' ) ) {
require_once ABSPATH . 'wp-admin/includes/post.php';
}
$sample_permalink = get_sample_permalink( $post->ID, $post->post_title, '' );
if ( $permalink_template_requested ) {
$data['permalink_template'] = $sample_permalink[0];
}
if ( $generated_slug_requested ) {
$data['generated_slug'] = $sample_permalink[1];
}
}
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
$links = $this->prepare_links( $post );
$response->add_links( $links );
if ( ! empty( $links['self']['href'] ) ) {
$actions = $this->get_available_actions( $post, $request );
$self = $links['self']['href'];
foreach ( $actions as $rel ) {
$response->add_link( $rel, $self );
}
}
/**
* Filters the post data for a REST API response.
*
* The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug.
*
* Possible hook names include:
*
* - `rest_prepare_post`
* - `rest_prepare_page`
* - `rest_prepare_attachment`
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Request object.
*/
return apply_filters( "rest_prepare_{$this->post_type}", $response, $post, $request );
}
/**
* Overwrites the default protected title format.
*
* By default, WordPress will show password protected posts with a title of
* "Protected: %s", as the REST API communicates the protected status of a post
* in a machine readable format, we remove the "Protected: " prefix.
*
* @since 4.7.0
*
* @return string Protected title format.
*/
public function protected_title_format() {
return '%s';
}
/**
* Prepares links for the request.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @return array Links for the given post.
*/
protected function prepare_links( $post ) {
$base = sprintf( '%s/%s', $this->namespace, $this->rest_base );
// Entity meta.
$links = array(
'self' => array(
'href' => rest_url( trailingslashit( $base ) . $post->ID ),
),
'collection' => array(
'href' => rest_url( $base ),
),
'about' => array(
'href' => rest_url( 'wp/v2/types/' . $this->post_type ),
),
);
if ( ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'author' ) )
&& ! empty( $post->post_author ) ) {
$links['author'] = array(
'href' => rest_url( 'wp/v2/users/' . $post->post_author ),
'embeddable' => true,
);
}
if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'comments' ) ) {
$replies_url = rest_url( 'wp/v2/comments' );
$replies_url = add_query_arg( 'post', $post->ID, $replies_url );
$links['replies'] = array(
'href' => $replies_url,
'embeddable' => true,
);
}
if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'revisions' ) ) {
$revisions = wp_get_post_revisions( $post->ID, array( 'fields' => 'ids' ) );
$revisions_count = count( $revisions );
$links['version-history'] = array(
'href' => rest_url( trailingslashit( $base ) . $post->ID . '/revisions' ),
'count' => $revisions_count,
);
if ( $revisions_count > 0 ) {
$last_revision = array_shift( $revisions );
$links['predecessor-version'] = array(
'href' => rest_url( trailingslashit( $base ) . $post->ID . '/revisions/' . $last_revision ),
'id' => $last_revision,
);
}
}
$post_type_obj = get_post_type_object( $post->post_type );
if ( $post_type_obj->hierarchical && ! empty( $post->post_parent ) ) {
$links['up'] = array(
'href' => rest_url( rest_get_route_for_post( $post->post_parent ) ),
'embeddable' => true,
);
}
// If we have a featured media, add that.
$featured_media = get_post_thumbnail_id( $post->ID );
if ( $featured_media ) {
$image_url = rest_url( rest_get_route_for_post( $featured_media ) );
$links['https://api.w.org/featuredmedia'] = array(
'href' => $image_url,
'embeddable' => true,
);
}
if ( ! in_array( $post->post_type, array( 'attachment', 'nav_menu_item', 'revision' ), true ) ) {
$attachments_url = rest_url( rest_get_route_for_post_type_items( 'attachment' ) );
$attachments_url = add_query_arg( 'parent', $post->ID, $attachments_url );
$links['https://api.w.org/attachment'] = array(
'href' => $attachments_url,
);
}
$taxonomies = get_object_taxonomies( $post->post_type );
if ( ! empty( $taxonomies ) ) {
$links['https://api.w.org/term'] = array();
foreach ( $taxonomies as $tax ) {
$taxonomy_route = rest_get_route_for_taxonomy_items( $tax );
// Skip taxonomies that are not public.
if ( empty( $taxonomy_route ) ) {
continue;
}
$terms_url = add_query_arg(
'post',
$post->ID,
rest_url( $taxonomy_route )
);
$links['https://api.w.org/term'][] = array(
'href' => $terms_url,
'taxonomy' => $tax,
'embeddable' => true,
);
}
}
return $links;
}
/**
* Get the link relations available for the post and current user.
*
* @since 4.9.8
*
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Request object.
* @return array List of link relations.
*/
protected function get_available_actions( $post, $request ) {
if ( 'edit' !== $request['context'] ) {
return array();
}
$rels = array();
$post_type = get_post_type_object( $post->post_type );
if ( 'attachment' !== $this->post_type && current_user_can( $post_type->cap->publish_posts ) ) {
$rels[] = 'https://api.w.org/action-publish';
}
if ( current_user_can( 'unfiltered_html' ) ) {
$rels[] = 'https://api.w.org/action-unfiltered-html';
}
if ( 'post' === $post_type->name ) {
if ( current_user_can( $post_type->cap->edit_others_posts ) && current_user_can( $post_type->cap->publish_posts ) ) {
$rels[] = 'https://api.w.org/action-sticky';
}
}
if ( post_type_supports( $post_type->name, 'author' ) ) {
if ( current_user_can( $post_type->cap->edit_others_posts ) ) {
$rels[] = 'https://api.w.org/action-assign-author';
}
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $tax ) {
$tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
$create_cap = is_taxonomy_hierarchical( $tax->name ) ? $tax->cap->edit_terms : $tax->cap->assign_terms;
if ( current_user_can( $create_cap ) ) {
$rels[] = 'https://api.w.org/action-create-' . $tax_base;
}
if ( current_user_can( $tax->cap->assign_terms ) ) {
$rels[] = 'https://api.w.org/action-assign-' . $tax_base;
}
}
return $rels;
}
/**
* Retrieves the post's 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' => $this->post_type,
'type' => 'object',
// Base properties for every Post.
'properties' => array(
'date' => array(
'description' => __( "The date the post was published, in the site's timezone." ),
'type' => array( 'string', 'null' ),
'format' => 'date-time',
'context' => array( 'view', 'edit', 'embed' ),
),
'date_gmt' => array(
'description' => __( 'The date the post was published, as GMT.' ),
'type' => array( 'string', 'null' ),
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
),
'guid' => array(
'description' => __( 'The globally unique identifier for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'readonly' => true,
'properties' => array(
'raw' => array(
'description' => __( 'GUID for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
),
'rendered' => array(
'description' => __( 'GUID for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
),
),
'id' => array(
'description' => __( 'Unique identifier for the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'link' => array(
'description' => __( 'URL to the post.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'modified' => array(
'description' => __( "The date the post was last modified, in the site's timezone." ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'modified_gmt' => array(
'description' => __( 'The date the post was last modified, as GMT.' ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'slug' => array(
'description' => __( 'An alphanumeric identifier for the post unique to its type.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => array( $this, 'sanitize_slug' ),
),
),
'status' => array(
'description' => __( 'A named status for the post.' ),
'type' => 'string',
'enum' => array_keys( get_post_stati( array( 'internal' => false ) ) ),
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'validate_callback' => array( $this, 'check_status' ),
),
),
'type' => array(
'description' => __( 'Type of post.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'password' => array(
'description' => __( 'A password to protect access to the content and excerpt.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
),
);
$post_type_obj = get_post_type_object( $this->post_type );
if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) {
$schema['properties']['permalink_template'] = array(
'description' => __( 'Permalink template for the post.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
);
$schema['properties']['generated_slug'] = array(
'description' => __( 'Slug automatically generated from the post title.' ),
'type' => 'string',
'context' => array( 'edit' ),
'readonly' => true,
);
}
if ( $post_type_obj->hierarchical ) {
$schema['properties']['parent'] = array(
'description' => __( 'The ID for the parent of the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
);
}
$post_type_attributes = array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'page-attributes',
'post-formats',
'custom-fields',
);
$fixed_schemas = array(
'post' => array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'post-formats',
'custom-fields',
),
'page' => array(
'title',
'editor',
'author',
'excerpt',
'thumbnail',
'comments',
'revisions',
'page-attributes',
'custom-fields',
),
'attachment' => array(
'title',
'author',
'comments',
'revisions',
'custom-fields',
),
);
foreach ( $post_type_attributes as $attribute ) {
if ( isset( $fixed_schemas[ $this->post_type ] ) && ! in_array( $attribute, $fixed_schemas[ $this->post_type ], true ) ) {
continue;
} elseif ( ! isset( $fixed_schemas[ $this->post_type ] ) && ! post_type_supports( $this->post_type, $attribute ) ) {
continue;
}
switch ( $attribute ) {
case 'title':
$schema['properties']['title'] = array(
'description' => __( 'The title for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Title for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML title for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'editor':
$schema['properties']['content'] = array(
'description' => __( 'The content for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Content for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML content for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'readonly' => true,
),
'block_version' => array(
'description' => __( 'Version of the content block format used by the post.' ),
'type' => 'integer',
'context' => array( 'edit' ),
'readonly' => true,
),
'protected' => array(
'description' => __( 'Whether the content is protected with a password.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'author':
$schema['properties']['author'] = array(
'description' => __( 'The ID for the author of the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
);
break;
case 'excerpt':
$schema['properties']['excerpt'] = array(
'description' => __( 'The excerpt for the post.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
),
'properties' => array(
'raw' => array(
'description' => __( 'Excerpt for the post, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML excerpt for the post, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'protected' => array(
'description' => __( 'Whether the excerpt is protected with a password.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
break;
case 'thumbnail':
$schema['properties']['featured_media'] = array(
'description' => __( 'The ID of the featured media for the post.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
);
break;
case 'comments':
$schema['properties']['comment_status'] = array(
'description' => __( 'Whether or not comments are open on the post.' ),
'type' => 'string',
'enum' => array( 'open', 'closed' ),
'context' => array( 'view', 'edit' ),
);
$schema['properties']['ping_status'] = array(
'description' => __( 'Whether or not the post can be pinged.' ),
'type' => 'string',
'enum' => array( 'open', 'closed' ),
'context' => array( 'view', 'edit' ),
);
break;
case 'page-attributes':
$schema['properties']['menu_order'] = array(
'description' => __( 'The order of the post in relation to other posts.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
);
break;
case 'post-formats':
// Get the native post formats and remove the array keys.
$formats = array_values( get_post_format_slugs() );
$schema['properties']['format'] = array(
'description' => __( 'The format for the post.' ),
'type' => 'string',
'enum' => $formats,
'context' => array( 'view', 'edit' ),
);
break;
case 'custom-fields':
$schema['properties']['meta'] = $this->meta->get_field_schema();
break;
}
}
if ( 'post' === $this->post_type ) {
$schema['properties']['sticky'] = array(
'description' => __( 'Whether or not the post should be treated as sticky.' ),
'type' => 'boolean',
'context' => array( 'view', 'edit' ),
);
}
$schema['properties']['template'] = array(
'description' => __( 'The theme file to use to display the post.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'validate_callback' => array( $this, 'check_template' ),
),
);
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
if ( array_key_exists( $base, $schema['properties'] ) ) {
$taxonomy_field_name_with_conflict = ! empty( $taxonomy->rest_base ) ? 'rest_base' : 'name';
_doing_it_wrong(
'register_taxonomy',
sprintf(
/* translators: 1: The taxonomy name, 2: The property name, either 'rest_base' or 'name', 3: The conflicting value. */
__( 'The "%1$s" taxonomy "%2$s" property (%3$s) conflicts with an existing property on the REST API Posts Controller. Specify a custom "rest_base" when registering the taxonomy to avoid this error.' ),
$taxonomy->name,
$taxonomy_field_name_with_conflict,
$base
),
'5.4.0'
);
}
$schema['properties'][ $base ] = array(
/* translators: %s: Taxonomy name. */
'description' => sprintf( __( 'The terms assigned to the post in the %s taxonomy.' ), $taxonomy->name ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'context' => array( 'view', 'edit' ),
);
}
$schema_links = $this->get_schema_links();
if ( $schema_links ) {
$schema['links'] = $schema_links;
}
// Take a snapshot of which fields are in the schema pre-filtering.
$schema_fields = array_keys( $schema['properties'] );
/**
* Filters the post's schema.
*
* The dynamic portion of the filter, `$this->post_type`, refers to the
* post type slug for the controller.
*
* Possible hook names include:
*
* - `rest_post_item_schema`
* - `rest_page_item_schema`
* - `rest_attachment_item_schema`
*
* @since 5.4.0
*
* @param array $schema Item schema data.
*/
$schema = apply_filters( "rest_{$this->post_type}_item_schema", $schema );
// Emit a _doing_it_wrong warning if user tries to add new properties using this filter.
$new_fields = array_diff( array_keys( $schema['properties'] ), $schema_fields );
if ( count( $new_fields ) > 0 ) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* translators: %s: register_rest_field */
__( 'Please use %s to add new schema properties.' ),
'register_rest_field'
),
'5.4.0'
);
}
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->schema );
}
/**
* Retrieve Link Description Objects that should be added to the Schema for the posts collection.
*
* @since 4.9.8
*
* @return array
*/
protected function get_schema_links() {
$href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" );
$links = array();
if ( 'attachment' !== $this->post_type ) {
$links[] = array(
'rel' => 'https://api.w.org/action-publish',
'title' => __( 'The current user can publish this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'status' => array(
'type' => 'string',
'enum' => array( 'publish', 'future' ),
),
),
),
);
}
$links[] = array(
'rel' => 'https://api.w.org/action-unfiltered-html',
'title' => __( 'The current user can post unfiltered HTML markup and JavaScript.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'content' => array(
'raw' => array(
'type' => 'string',
),
),
),
),
);
if ( 'post' === $this->post_type ) {
$links[] = array(
'rel' => 'https://api.w.org/action-sticky',
'title' => __( 'The current user can sticky this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'sticky' => array(
'type' => 'boolean',
),
),
),
);
}
if ( post_type_supports( $this->post_type, 'author' ) ) {
$links[] = array(
'rel' => 'https://api.w.org/action-assign-author',
'title' => __( 'The current user can change the author on this post.' ),
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
'author' => array(
'type' => 'integer',
),
),
),
);
}
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
foreach ( $taxonomies as $tax ) {
$tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name;
/* translators: %s: Taxonomy name. */
$assign_title = sprintf( __( 'The current user can assign terms in the %s taxonomy.' ), $tax->name );
/* translators: %s: Taxonomy name. */
$create_title = sprintf( __( 'The current user can create terms in the %s taxonomy.' ), $tax->name );
$links[] = array(
'rel' => 'https://api.w.org/action-assign-' . $tax_base,
'title' => $assign_title,
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
$tax_base => array(
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
),
),
);
$links[] = array(
'rel' => 'https://api.w.org/action-create-' . $tax_base,
'title' => $create_title,
'href' => $href,
'targetSchema' => array(
'type' => 'object',
'properties' => array(
$tax_base => array(
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
),
),
);
}
return $links;
}
/**
* Retrieves the query params for the posts collection.
*
* @since 4.7.0
* @since 5.4.0 The `tax_relation` query parameter was added.
* @since 5.7.0 The `modified_after` and `modified_before` query parameters were added.
*
* @return array Collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['context']['default'] = 'view';
$query_params['after'] = array(
'description' => __( 'Limit response to posts published after a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['modified_after'] = array(
'description' => __( 'Limit response to posts modified after a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
if ( post_type_supports( $this->post_type, 'author' ) ) {
$query_params['author'] = array(
'description' => __( 'Limit result set to posts assigned to specific authors.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['author_exclude'] = array(
'description' => __( 'Ensure result set excludes posts assigned to specific authors.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
}
$query_params['before'] = array(
'description' => __( 'Limit response to posts published before a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['modified_before'] = array(
'description' => __( 'Limit response to posts modified before a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['exclude'] = array(
'description' => __( 'Ensure result set excludes specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['include'] = array(
'description' => __( 'Limit result set to specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
$query_params['menu_order'] = array(
'description' => __( 'Limit result set to posts with a specific menu_order value.' ),
'type' => 'integer',
);
}
$query_params['offset'] = array(
'description' => __( 'Offset the result set by a specific number of items.' ),
'type' => 'integer',
);
$query_params['order'] = array(
'description' => __( 'Order sort attribute ascending or descending.' ),
'type' => 'string',
'default' => 'desc',
'enum' => array( 'asc', 'desc' ),
);
$query_params['orderby'] = array(
'description' => __( 'Sort collection by post attribute.' ),
'type' => 'string',
'default' => 'date',
'enum' => array(
'author',
'date',
'id',
'include',
'modified',
'parent',
'relevance',
'slug',
'include_slugs',
'title',
),
);
if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) {
$query_params['orderby']['enum'][] = 'menu_order';
}
$post_type = get_post_type_object( $this->post_type );
if ( $post_type->hierarchical || 'attachment' === $this->post_type ) {
$query_params['parent'] = array(
'description' => __( 'Limit result set to items with particular parent IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['parent_exclude'] = array(
'description' => __( 'Limit result set to all items except those of a particular parent ID.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
}
$query_params['slug'] = array(
'description' => __( 'Limit result set to posts with one or more specific slugs.' ),
'type' => 'array',
'items' => array(
'type' => 'string',
),
'sanitize_callback' => 'wp_parse_slug_list',
);
$query_params['status'] = array(
'default' => 'publish',
'description' => __( 'Limit result set to posts assigned one or more statuses.' ),
'type' => 'array',
'items' => array(
'enum' => array_merge( array_keys( get_post_stati() ), array( 'any' ) ),
'type' => 'string',
),
'sanitize_callback' => array( $this, 'sanitize_post_statuses' ),
);
$query_params = $this->prepare_taxonomy_limit_schema( $query_params );
if ( 'post' === $this->post_type ) {
$query_params['sticky'] = array(
'description' => __( 'Limit result set to items that are sticky.' ),
'type' => 'boolean',
);
}
/**
* Filters collection parameters for the posts controller.
*
* The dynamic part of the filter `$this->post_type` refers to the post
* type slug for the controller.
*
* This filter registers the collection parameter, but does not map the
* collection parameter to an internal WP_Query parameter. Use the
* `rest_{$this->post_type}_query` filter to set WP_Query parameters.
*
* @since 4.7.0
*
* @param array $query_params JSON Schema-formatted collection parameters.
* @param WP_Post_Type $post_type Post type object.
*/
return apply_filters( "rest_{$this->post_type}_collection_params", $query_params, $post_type );
}
/**
* Sanitizes and validates the list of post statuses, including whether the
* user can query private statuses.
*
* @since 4.7.0
*
* @param string|array $statuses One or more post statuses.
* @param WP_REST_Request $request Full details about the request.
* @param string $parameter Additional parameter to pass to validation.
* @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
*/
public function sanitize_post_statuses( $statuses, $request, $parameter ) {
$statuses = wp_parse_slug_list( $statuses );
// The default status is different in WP_REST_Attachments_Controller.
$attributes = $request->get_attributes();
$default_status = $attributes['args']['status']['default'];
foreach ( $statuses as $status ) {
if ( $status === $default_status ) {
continue;
}
$post_type_obj = get_post_type_object( $this->post_type );
if ( current_user_can( $post_type_obj->cap->edit_posts ) || 'private' === $status && current_user_can( $post_type_obj->cap->read_private_posts ) ) {
$result = rest_validate_request_arg( $status, $request, $parameter );
if ( is_wp_error( $result ) ) {
return $result;
}
} else {
return new WP_Error(
'rest_forbidden_status',
__( 'Status is forbidden.' ),
array( 'status' => rest_authorization_required_code() )
);
}
}
return $statuses;
}
/**
* Prepares the 'tax_query' for a collection of posts.
*
* @since 5.7.0
*
* @param array $args WP_Query arguments.
* @param WP_REST_Request $request Full details about the request.
* @return array Updated query arguments.
*/
private function prepare_tax_query( array $args, WP_REST_Request $request ) {
$relation = $request['tax_relation'];
if ( $relation ) {
$args['tax_query'] = array( 'relation' => $relation );
}
$taxonomies = wp_list_filter(
get_object_taxonomies( $this->post_type, 'objects' ),
array( 'show_in_rest' => true )
);
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
$tax_include = $request[ $base ];
$tax_exclude = $request[ $base . '_exclude' ];
if ( $tax_include ) {
$terms = array();
$include_children = false;
$operator = 'IN';
if ( rest_is_array( $tax_include ) ) {
$terms = $tax_include;
} elseif ( rest_is_object( $tax_include ) ) {
$terms = empty( $tax_include['terms'] ) ? array() : $tax_include['terms'];
$include_children = ! empty( $tax_include['include_children'] );
if ( isset( $tax_include['operator'] ) && 'AND' === $tax_include['operator'] ) {
$operator = 'AND';
}
}
if ( $terms ) {
$args['tax_query'][] = array(
'taxonomy' => $taxonomy->name,
'field' => 'term_id',
'terms' => $terms,
'include_children' => $include_children,
'operator' => $operator,
);
}
}
if ( $tax_exclude ) {
$terms = array();
$include_children = false;
if ( rest_is_array( $tax_exclude ) ) {
$terms = $tax_exclude;
} elseif ( rest_is_object( $tax_exclude ) ) {
$terms = empty( $tax_exclude['terms'] ) ? array() : $tax_exclude['terms'];
$include_children = ! empty( $tax_exclude['include_children'] );
}
if ( $terms ) {
$args['tax_query'][] = array(
'taxonomy' => $taxonomy->name,
'field' => 'term_id',
'terms' => $terms,
'include_children' => $include_children,
'operator' => 'NOT IN',
);
}
}
}
return $args;
}
/**
* Prepares the collection schema for including and excluding items by terms.
*
* @since 5.7.0
*
* @param array $query_params Collection schema.
* @return array Updated schema.
*/
private function prepare_taxonomy_limit_schema( array $query_params ) {
$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );
if ( ! $taxonomies ) {
return $query_params;
}
$query_params['tax_relation'] = array(
'description' => __( 'Limit result set based on relationship between multiple taxonomies.' ),
'type' => 'string',
'enum' => array( 'AND', 'OR' ),
);
$limit_schema = array(
'type' => array( 'object', 'array' ),
'oneOf' => array(
array(
'title' => __( 'Term ID List' ),
'description' => __( 'Match terms with the listed IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
),
array(
'title' => __( 'Term ID Taxonomy Query' ),
'description' => __( 'Perform an advanced term query.' ),
'type' => 'object',
'properties' => array(
'terms' => array(
'description' => __( 'Term IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
),
'include_children' => array(
'description' => __( 'Whether to include child terms in the terms limiting the result set.' ),
'type' => 'boolean',
'default' => false,
),
),
'additionalProperties' => false,
),
),
);
$include_schema = array_merge(
array(
/* translators: %s: Taxonomy name. */
'description' => __( 'Limit result set to items with specific terms assigned in the %s taxonomy.' ),
),
$limit_schema
);
// 'operator' is supported only for 'include' queries.
$include_schema['oneOf'][1]['properties']['operator'] = array(
'description' => __( 'Whether items must be assigned all or any of the specified terms.' ),
'type' => 'string',
'enum' => array( 'AND', 'OR' ),
'default' => 'OR',
);
$exclude_schema = array_merge(
array(
/* translators: %s: Taxonomy name. */
'description' => __( 'Limit result set to items except those with specific terms assigned in the %s taxonomy.' ),
),
$limit_schema
);
foreach ( $taxonomies as $taxonomy ) {
$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
$base_exclude = $base . '_exclude';
$query_params[ $base ] = $include_schema;
$query_params[ $base ]['description'] = sprintf( $query_params[ $base ]['description'], $base );
$query_params[ $base_exclude ] = $exclude_schema;
$query_params[ $base_exclude ]['description'] = sprintf( $query_params[ $base_exclude ]['description'], $base );
if ( ! $taxonomy->hierarchical ) {
unset( $query_params[ $base ]['oneOf'][1]['properties']['include_children'] );
unset( $query_params[ $base_exclude ]['oneOf'][1]['properties']['include_children'] );
}
}
return $query_params;
}
}