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/wp-includes/rest-api/endpoints/ -> class-wp-rest-block-patterns-controller.php (source)

   1  <?php
   2  /**
   3   * REST API: WP_REST_Block_Patterns_Controller class
   4   *
   5   * @package    WordPress
   6   * @subpackage REST_API
   7   * @since      6.0.0
   8   */
   9  
  10  /**
  11   * Core class used to access block patterns via the REST API.
  12   *
  13   * @since 6.0.0
  14   *
  15   * @see WP_REST_Controller
  16   */
  17  class WP_REST_Block_Patterns_Controller extends WP_REST_Controller {
  18  
  19      /**
  20       * Defines whether remote patterns should be loaded.
  21       *
  22       * @since 6.0.0
  23       * @var bool
  24       */
  25      private $remote_patterns_loaded;
  26  
  27      /**
  28       * Constructs the controller.
  29       *
  30       * @since 6.0.0
  31       */
  32  	public function __construct() {
  33          $this->namespace = 'wp/v2';
  34          $this->rest_base = 'block-patterns/patterns';
  35      }
  36  
  37      /**
  38       * Registers the routes for the objects of the controller.
  39       *
  40       * @since 6.0.0
  41       */
  42  	public function register_routes() {
  43          register_rest_route(
  44              $this->namespace,
  45              '/' . $this->rest_base,
  46              array(
  47                  array(
  48                      'methods'             => WP_REST_Server::READABLE,
  49                      'callback'            => array( $this, 'get_items' ),
  50                      'permission_callback' => array( $this, 'get_items_permissions_check' ),
  51                  ),
  52                  'schema' => array( $this, 'get_public_item_schema' ),
  53              )
  54          );
  55      }
  56  
  57      /**
  58       * Checks whether a given request has permission to read block patterns.
  59       *
  60       * @since 6.0.0
  61       *
  62       * @param WP_REST_Request $request Full details about the request.
  63       * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
  64       */
  65  	public function get_items_permissions_check( $request ) {
  66          if ( current_user_can( 'edit_posts' ) ) {
  67              return true;
  68          }
  69  
  70          foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
  71              if ( current_user_can( $post_type->cap->edit_posts ) ) {
  72                  return true;
  73              }
  74          }
  75  
  76          return new WP_Error(
  77              'rest_cannot_view',
  78              __( 'Sorry, you are not allowed to view the registered block patterns.' ),
  79              array( 'status' => rest_authorization_required_code() )
  80          );
  81      }
  82  
  83      /**
  84       * Retrieves all block patterns.
  85       *
  86       * @since 6.0.0
  87       *
  88       * @param WP_REST_Request $request Full details about the request.
  89       * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
  90       */
  91  	public function get_items( $request ) {
  92          if ( ! $this->remote_patterns_loaded ) {
  93              // Load block patterns from w.org.
  94              _load_remote_block_patterns(); // Patterns with the `core` keyword.
  95              _load_remote_featured_patterns(); // Patterns in the `featured` category.
  96              _register_remote_theme_patterns(); // Patterns requested by current theme.
  97  
  98              $this->remote_patterns_loaded = true;
  99          }
 100  
 101          $response = array();
 102          $patterns = WP_Block_Patterns_Registry::get_instance()->get_all_registered();
 103          foreach ( $patterns as $pattern ) {
 104              $prepared_pattern = $this->prepare_item_for_response( $pattern, $request );
 105              $response[]       = $this->prepare_response_for_collection( $prepared_pattern );
 106          }
 107          return rest_ensure_response( $response );
 108      }
 109  
 110      /**
 111       * Prepare a raw block pattern before it gets output in a REST API response.
 112       *
 113       * @since 6.0.0
 114       *
 115       * @param array           $item    Raw pattern as registered, before any changes.
 116       * @param WP_REST_Request $request Request object.
 117       * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 118       */
 119  	public function prepare_item_for_response( $item, $request ) {
 120          $fields = $this->get_fields_for_response( $request );
 121          $keys   = array(
 122              'name'          => 'name',
 123              'title'         => 'title',
 124              'description'   => 'description',
 125              'viewportWidth' => 'viewport_width',
 126              'blockTypes'    => 'block_types',
 127              'categories'    => 'categories',
 128              'keywords'      => 'keywords',
 129              'content'       => 'content',
 130              'inserter'      => 'inserter',
 131          );
 132          $data   = array();
 133          foreach ( $keys as $item_key => $rest_key ) {
 134              if ( isset( $item[ $item_key ] ) && rest_is_field_included( $rest_key, $fields ) ) {
 135                  $data[ $rest_key ] = $item[ $item_key ];
 136              }
 137          }
 138  
 139          $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
 140          $data    = $this->add_additional_fields_to_object( $data, $request );
 141          $data    = $this->filter_response_by_context( $data, $context );
 142          return rest_ensure_response( $data );
 143      }
 144  
 145      /**
 146       * Retrieves the block pattern schema, conforming to JSON Schema.
 147       *
 148       * @since 6.0.0
 149       *
 150       * @return array Item schema data.
 151       */
 152  	public function get_item_schema() {
 153          $schema = array(
 154              '$schema'    => 'http://json-schema.org/draft-04/schema#',
 155              'title'      => 'block-pattern',
 156              'type'       => 'object',
 157              'properties' => array(
 158                  'name'           => array(
 159                      'description' => __( 'The pattern name.' ),
 160                      'type'        => 'string',
 161                      'readonly'    => true,
 162                      'context'     => array( 'view', 'edit', 'embed' ),
 163                  ),
 164                  'title'          => array(
 165                      'description' => __( 'The pattern title, in human readable format.' ),
 166                      'type'        => 'string',
 167                      'readonly'    => true,
 168                      'context'     => array( 'view', 'edit', 'embed' ),
 169                  ),
 170                  'description'    => array(
 171                      'description' => __( 'The pattern detailed description.' ),
 172                      'type'        => 'string',
 173                      'readonly'    => true,
 174                      'context'     => array( 'view', 'edit', 'embed' ),
 175                  ),
 176                  'viewport_width' => array(
 177                      'description' => __( 'The pattern viewport width for inserter preview.' ),
 178                      'type'        => 'number',
 179                      'readonly'    => true,
 180                      'context'     => array( 'view', 'edit', 'embed' ),
 181                  ),
 182                  'block_types'    => array(
 183                      'description' => __( 'Block types that the pattern is intended to be used with.' ),
 184                      'type'        => 'array',
 185                      'readonly'    => true,
 186                      'context'     => array( 'view', 'edit', 'embed' ),
 187                  ),
 188                  'categories'     => array(
 189                      'description' => __( 'The pattern category slugs.' ),
 190                      'type'        => 'array',
 191                      'readonly'    => true,
 192                      'context'     => array( 'view', 'edit', 'embed' ),
 193                  ),
 194                  'keywords'       => array(
 195                      'description' => __( 'The pattern keywords.' ),
 196                      'type'        => 'array',
 197                      'readonly'    => true,
 198                      'context'     => array( 'view', 'edit', 'embed' ),
 199                  ),
 200                  'content'        => array(
 201                      'description' => __( 'The pattern content.' ),
 202                      'type'        => 'string',
 203                      'readonly'    => true,
 204                      'context'     => array( 'view', 'edit', 'embed' ),
 205                  ),
 206                  'inserter'       => array(
 207                      'description' => __( 'Determines whether the pattern is visible in inserter.' ),
 208                      'type'        => 'boolean',
 209                      'readonly'    => true,
 210                      'context'     => array( 'view', 'edit', 'embed' ),
 211                  ),
 212              ),
 213          );
 214  
 215          return $this->add_additional_fields_schema( $schema );
 216      }
 217  }


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