lightspeeddevelopment/lsx-health-plan

<?php
namespace lsx_health_plan\classes;

/**
 * Contains the related articles functions post type
 *
 * @package lsx-health-plan
 */
class Articles {

    /**
     * Holds class instance
     *
     * @var      object \lsx_health_plan\classes\Articles()
     */
    protected static $instance = null;

    /**
     * An array of the post types for the Global Defaults field.
     *
     * @var array
     */
    //public $default_types = array( 'exercise', 'recipe', 'meal', 'workout', 'plan' );

    /**
     * Constructor.
     */
    public function __construct() {
        $this->default_types = array(
            \lsx_health_plan\functions\get_option( 'endpoint_meal', 'meal' ),
            \lsx_health_plan\functions\get_option( 'endpoint_exercise_single', 'exercise' ),
            \lsx_health_plan\functions\get_option( 'endpoint_recipe_single', 'recipe' ),
            \lsx_health_plan\functions\get_option( 'endpoint_workout', 'workout' ),
            \lsx_health_plan\functions\get_option( 'endpoint_plan', 'plan' ),
        );
        add_action( 'cmb2_admin_init', array( $this, 'related_articles_metabox' ) );
    }

    /**
     * Return an instance of this class.
     *
     * @since 1.0.0
     *
     * @return    object \lsx_health_plan\classes\Articles()    A single instance of this class.
     */
    public static function get_instance() {
        // If the single instance hasn't been set, set it now.
        if ( null === self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Define the related articles member metabox and field configurations.
     */
    public function related_articles_metabox() {
        foreach ( $this->default_types as $type => $default_type ) {
            $cmb = new_cmb2_box(
                array(
                    'id'           => $default_type . '_related_articles_metabox',
                    'title'        => __( 'Related Articles', 'lsx-health-plan' ),
                    'object_types' => array( $default_type ), // Post type.
                    'context'      => 'normal',
                    'priority'     => 'low',
                    'show_names'   => true,
                )
            );

            $cmb->add_field(
                array(
                    'name'       => __( 'Related Articles', 'lsx-health-plan' ),
                    'desc'       => __( 'Connect the related articles that applies to this ', 'lsx-health-plan' ) . $default_type,
                    'id'         => $default_type . '_connected_articles',
                    'type'       => 'post_search_ajax',
                    'limit'      => 3,
                    'sortable'   => true,
                    'query_args' => array(
                        'post_type'      => array( 'post' ),
                        'post_status'    => array( 'publish' ),
                        'posts_per_page' => 3,
                    ),
                )
            );
        }

    }

}