$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 filter 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( trailingslashit( $base ) . (int) $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( 'wp/v2/media/' . $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( 'wp/v2/media' ); $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_obj = get_taxonomy( $tax ); // Skip taxonomies that are not public. if ( empty( $taxonomy_obj->show_in_rest ) ) { continue; } $tax_base = ! empty( $taxonomy_obj->rest_base ) ? $taxonomy_obj->rest_base : $tax; $terms_url = add_query_arg( 'post', $post->ID, rest_url( 'wp/v2/' . $tax_base ) ); $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 object 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 object was published, as GMT.' ), 'type' => array( 'string', 'null' ), 'format' => 'date-time', 'context' => array( 'view', 'edit' ), ), 'guid' => array( 'description' => __( 'The globally unique identifier for the object.' ), 'type' => 'object', 'context' => array( 'view', 'edit' ), 'readonly' => true, 'properties' => array( 'raw' => array( 'description' => __( 'GUID for the object, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), 'readonly' => true, ), 'rendered' => array( 'description' => __( 'GUID for the object, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), ), ), 'id' => array( 'description' => __( 'Unique identifier for the object.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'link' => array( 'description' => __( 'URL to the object.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'modified' => array( 'description' => __( "The date the object 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 object was last modified, as GMT.' ), 'type' => 'string', 'format' => 'date-time', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'slug' => array( 'description' => __( 'An alphanumeric identifier for the object 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 object.' ), '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 for the object.' ), '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 object.' ), 'type' => 'string', 'context' => array( 'edit' ), 'readonly' => true, ); $schema['properties']['generated_slug'] = array( 'description' => __( 'Slug automatically generated from the object 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 object.' ), '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 object.' ), '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 object, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML title for the object, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); break; case 'editor': $schema['properties']['content'] = array( 'description' => __( 'The content for the object.' ), '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 object, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML content for the object, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'block_version' => array( 'description' => __( 'Version of the content block format used by the object.' ), '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 object.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ); break; case 'excerpt': $schema['properties']['excerpt'] = array( 'description' => __( 'The excerpt for the object.' ), '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 object, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML excerpt for the object, 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 object.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ); break; case 'comments': $schema['properties']['comment_status'] = array( 'description' => __( 'Whether or not comments are open on the object.' ), 'type' => 'string', 'enum' => array( 'open', 'closed' ), 'context' => array( 'view', 'edit' ), ); $schema['properties']['ping_status'] = array( 'description' => __( 'Whether or not the object 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 object in relation to other object of its type.' ), '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 object.' ), '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 object should be treated as sticky.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit' ), ); } $schema['properties']['template'] = array( 'description' => __( 'The theme file to use to display the object.' ), '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 object 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. * * @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 object 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; 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 ( $terms ) { $args['tax_query'][] = array( 'taxonomy' => $taxonomy->name, 'field' => 'term_id', 'terms' => $terms, 'include_children' => $include_children, ); } } 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 ); $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; } }