bueltge/wp-rest-api-filter-items

<?php # -*- coding: utf-8 -*-

namespace RestApiFilterItems\Items;

use RestApiFilterItems\Core\Filter;

/**
 * Class Post
 *
 * @package RestApiFilterItems\Items
 */
class Post implements TypeInterface {

    /**
     * @type string
     */
    private $request;

    /**
     * Constructor
     * Run in WordPress context
     *
     */
    public function __construct() {

        if ( ! isset( $_GET[ 'items' ] ) ) {
            return;
        }

        $this->request = $_GET[ 'items' ];

        add_filter( 'rest_prepare_post', [ $this, 'filter_data' ], 12, 1 );
    }

    /**
     * Filter data to get attributes items
     *
     * @param  $data
     *
     * @return array
     */
    public function filter_data( $data ) {

        $_data = $data->data;
        $filtered_data = new Filter( $this->request, $_data );

        return $filtered_data->filter_data();
    }
}