felixarntz/post-types-definitely

<?php
/**
 * WPPTD\General class
 *
 * @package WPPTD
 * @author Felix Arntz <felix-arntz@leaves-and-love.net>
 * @since 0.5.0
 */

namespace WPPTD;

use WPDLib\Components\Manager as ComponentManager;

if ( ! defined( 'ABSPATH' ) ) {
    die();
}

if ( ! class_exists( 'WPPTD\General' ) ) {
    /**
     * This class register post types and taxonomies and connects them appropriately.
     *
     * @internal
     * @since 0.5.0
     */
    class General {

        /**
         * @since 0.5.0
         * @var WPPTD\General|null Holds the instance of this class.
         */
        private static $instance = null;

        /**
         * Gets the instance of this class. If it does not exist, it will be created.
         *
         * @since 0.5.0
         * @return WPPTD\General
         */
        public static function instance() {
            if ( null == self::$instance ) {
                self::$instance = new self;
            }

            return self::$instance;
        }

        /**
         * Class constructor.
         *
         * @since 0.5.0
         */
        private function __construct() {
            add_action( 'after_setup_theme', array( $this, 'add_hooks' ) );
        }

        /**
         * Hooks in all the necessary actions.
         *
         * This function should be executed after the plugin has been initialized.
         *
         * @since 0.5.0
         */
        public function add_hooks() {
            add_action( 'init', array( $this, 'register_post_types' ), 20 );
            add_action( 'init', array( $this, 'register_taxonomies' ), 30 );
            add_action( 'init', array( $this, 'register_connections' ), 40 );
            if ( version_compare( get_bloginfo( 'version' ), '4.6', '>=' ) ) {
                add_action( 'init', array( $this, 'register_meta' ), 50 );
            }
        }

        /**
         * Registers all post types added with the plugin.
         *
         * @see WPPTD\Components\PostType
         * @since 0.5.0
         */
        public function register_post_types() {
            $post_types = ComponentManager::get( '*.*', 'WPDLib\Components\Menu.WPPTD\Components\PostType' );
            foreach ( $post_types as $post_type ) {
                $post_type->register();
            }
        }

        /**
         * Registers all taxonomies added with the plugin.
         *
         * @see WPPTD\Components\Taxonomy
         * @since 0.5.0
         */
        public function register_taxonomies() {
            $taxonomies = ComponentManager::get( '*.*.*', 'WPDLib\Components\Menu.WPPTD\Components\PostType.WPPTD\Components\Taxonomy' );
            foreach ( $taxonomies as $taxonomy ) {
                $taxonomy->register();
            }
        }

        /**
         * Connects post types with their assigned taxonomies.
         *
         * @see WPPTD\Components\PostType
         * @see WPPTD\Components\Taxonomy
         * @since 0.5.0
         */
        public function register_connections() {
            $post_types = ComponentManager::get( '*.*', 'WPDLib\Components\Menu.WPPTD\Components\PostType' );
            foreach ( $post_types as $post_type ) {
                $taxonomies = $post_type->get_children( 'WPPTD\Components\Taxonomy' );
                foreach ( $taxonomies as $taxonomy ) {
                    $status = register_taxonomy_for_object_type( $taxonomy->slug, $post_type->slug );
                }
            }
        }

        /**
         * Registers meta for all post types and taxonomies.
         *
         * Registering metadata with details was introduced in WordPress 4.6. Therefore this
         * method is not used in versions below that.
         *
         * @see WPPTD\Components\PostType
         * @see WPPTD\Components\Taxonomy
         * @since 0.6.5
         */
        public function register_meta() {
            $post_types = ComponentManager::get( '*.*', 'WPDLib\Components\Menu.WPPTD\Components\PostType' );
            foreach ( $post_types as $post_type ) {
                $post_type->register_meta();
            }

            $taxonomies = ComponentManager::get( '*.*.*', 'WPDLib\Components\Menu.WPPTD\Components\PostType.WPPTD\Components\Taxonomy' );
            foreach ( $taxonomies as $taxonomy ) {
                $taxonomy->register_meta();
            }
        }

    }
}