299 lines
8.8 KiB
PHP
299 lines
8.8 KiB
PHP
<?php
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/**
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* REST API: WP_REST_Block_Patterns_Controller class
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*
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* @package WordPress
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* @subpackage REST_API
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* @since 6.0.0
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*/
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/**
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* Core class used to access block patterns via the REST API.
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*
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* @since 6.0.0
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*
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* @see WP_REST_Controller
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*/
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class WP_REST_Block_Patterns_Controller extends WP_REST_Controller {
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/**
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* Defines whether remote patterns should be loaded.
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*
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* @since 6.0.0
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* @var bool
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*/
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private $remote_patterns_loaded;
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/**
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* An array that maps old categories names to new ones.
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*
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* @since 6.2.0
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* @var array
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*/
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protected static $categories_migration = array(
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'buttons' => 'call-to-action',
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'columns' => 'text',
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'query' => 'posts',
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);
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/**
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* Constructs the controller.
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*
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* @since 6.0.0
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*/
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public function __construct() {
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$this->namespace = 'wp/v2';
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$this->rest_base = 'block-patterns/patterns';
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}
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/**
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* Registers the routes for the objects of the controller.
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*
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* @since 6.0.0
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*/
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public function register_routes() {
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register_rest_route(
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$this->namespace,
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'/' . $this->rest_base,
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array(
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array(
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'methods' => WP_REST_Server::READABLE,
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'callback' => array( $this, 'get_items' ),
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'permission_callback' => array( $this, 'get_items_permissions_check' ),
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),
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'schema' => array( $this, 'get_public_item_schema' ),
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)
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);
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}
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/**
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* Checks whether a given request has permission to read block patterns.
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*
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* @since 6.0.0
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
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*/
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public function get_items_permissions_check( $request ) {
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if ( current_user_can( 'edit_posts' ) ) {
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return true;
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}
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foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
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if ( current_user_can( $post_type->cap->edit_posts ) ) {
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return true;
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}
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}
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return new WP_Error(
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'rest_cannot_view',
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__( 'Sorry, you are not allowed to view the registered block patterns.' ),
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array( 'status' => rest_authorization_required_code() )
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);
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}
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/**
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* Retrieves all block patterns.
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*
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* @since 6.0.0
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* @since 6.2.0 Added migration for old core pattern categories to the new ones.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function get_items( $request ) {
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if ( ! $this->remote_patterns_loaded ) {
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// Load block patterns from w.org.
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_load_remote_block_patterns(); // Patterns with the `core` keyword.
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_load_remote_featured_patterns(); // Patterns in the `featured` category.
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_register_remote_theme_patterns(); // Patterns requested by current theme.
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$this->remote_patterns_loaded = true;
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}
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$response = array();
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$patterns = WP_Block_Patterns_Registry::get_instance()->get_all_registered();
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foreach ( $patterns as $pattern ) {
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$migrated_pattern = $this->migrate_pattern_categories( $pattern );
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$prepared_pattern = $this->prepare_item_for_response( $migrated_pattern, $request );
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$response[] = $this->prepare_response_for_collection( $prepared_pattern );
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}
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return rest_ensure_response( $response );
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}
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/**
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* Migrates old core pattern categories to the new categories.
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*
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* Core pattern categories are revamped. Migration is needed to ensure
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* backwards compatibility.
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*
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* @since 6.2.0
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*
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* @param array $pattern Raw pattern as registered, before applying any changes.
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* @return array Migrated pattern.
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*/
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protected function migrate_pattern_categories( $pattern ) {
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// No categories to migrate.
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if (
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! isset( $pattern['categories'] ) ||
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! is_array( $pattern['categories'] )
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) {
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return $pattern;
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}
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foreach ( $pattern['categories'] as $index => $category ) {
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// If the category exists as a key, then it needs migration.
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if ( isset( static::$categories_migration[ $category ] ) ) {
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$pattern['categories'][ $index ] = static::$categories_migration[ $category ];
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}
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}
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return $pattern;
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}
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/**
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* Prepare a raw block pattern before it gets output in a REST API response.
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*
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* @since 6.0.0
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* @since 6.3.0 Added `source` property.
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*
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* @param array $item Raw pattern as registered, before any changes.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
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*/
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public function prepare_item_for_response( $item, $request ) {
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$fields = $this->get_fields_for_response( $request );
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$keys = array(
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'name' => 'name',
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'title' => 'title',
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'content' => 'content',
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'description' => 'description',
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'viewportWidth' => 'viewport_width',
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'inserter' => 'inserter',
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'categories' => 'categories',
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'keywords' => 'keywords',
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'blockTypes' => 'block_types',
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'postTypes' => 'post_types',
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'templateTypes' => 'template_types',
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'source' => 'source',
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);
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$data = array();
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foreach ( $keys as $item_key => $rest_key ) {
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if ( isset( $item[ $item_key ] ) && rest_is_field_included( $rest_key, $fields ) ) {
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$data[ $rest_key ] = $item[ $item_key ];
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}
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}
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
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$data = $this->add_additional_fields_to_object( $data, $request );
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$data = $this->filter_response_by_context( $data, $context );
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return rest_ensure_response( $data );
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}
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/**
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* Retrieves the block pattern schema, conforming to JSON Schema.
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*
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* @since 6.0.0
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* @since 6.3.0 Added `source` property.
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*
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* @return array Item schema data.
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*/
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public function get_item_schema() {
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if ( $this->schema ) {
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return $this->add_additional_fields_schema( $this->schema );
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}
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$schema = array(
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'$schema' => 'http://json-schema.org/draft-04/schema#',
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'title' => 'block-pattern',
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'type' => 'object',
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'properties' => array(
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'name' => array(
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'description' => __( 'The pattern name.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'title' => array(
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'description' => __( 'The pattern title, in human readable format.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'content' => array(
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'description' => __( 'The pattern content.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'description' => array(
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'description' => __( 'The pattern detailed description.' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'viewport_width' => array(
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'description' => __( 'The pattern viewport width for inserter preview.' ),
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'type' => 'number',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'inserter' => array(
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'description' => __( 'Determines whether the pattern is visible in inserter.' ),
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'type' => 'boolean',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'categories' => array(
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'description' => __( 'The pattern category slugs.' ),
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'type' => 'array',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'keywords' => array(
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'description' => __( 'The pattern keywords.' ),
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'type' => 'array',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'block_types' => array(
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'description' => __( 'Block types that the pattern is intended to be used with.' ),
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'type' => 'array',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'post_types' => array(
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'description' => __( 'An array of post types that the pattern is restricted to be used with.' ),
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'type' => 'array',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'template_types' => array(
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'description' => __( 'An array of template types where the pattern fits.' ),
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'type' => 'array',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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),
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'source' => array(
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'description' => __( 'Where the pattern comes from e.g. core' ),
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'type' => 'string',
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'readonly' => true,
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'context' => array( 'view', 'edit', 'embed' ),
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'enum' => array(
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'core',
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'plugin',
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'theme',
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'pattern-directory/core',
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'pattern-directory/theme',
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'pattern-directory/featured',
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),
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),
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),
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);
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$this->schema = $schema;
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return $this->add_additional_fields_schema( $this->schema );
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}
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}
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