WordPress custom Post Status

custom-post-status.php

<?php

/**
 *  Add custom post status
 */

/**
 * Register Custom Status
 * Add custom post status to Product custom post type
 */
function rtp_custom_post_status() {
    register_post_status(
        'sold-out', array(
        'label' => _x( 'Sold Out', 'Status General Name', 'fab' ),
        'label_count' => _n_noop( 'Sold Out (%s)', 'Sold Outs (%s)', 'fab' ),
        'public' => true,
        'show_in_admin_all_list' => true,
        'show_in_admin_status_list' => true,
        'exclude_from_search' => false
        )
    );
}

// add_action( 'init', 'rtp_custom_post_status', 0 );

/**
 * Add Sold Out status to WordPress status dropdown
 */
function rtp_append_post_status_list() {
    global $post;

    $complete = $label = '';

    if( $post->post_type == 'product' ) {
        if( $post->post_status == 'sold-out' ) {
            $complete = ' selected=\"selected\"';
            $label = '<span id=\"post-status-display\"> Sold Out</span>';
        }

        echo '
      <script>
      jQuery(document).ready(function($){
           $("select#post_status").append("<option value=\"sold-out\" ' . $complete . '>Sold Out</option>");
           $(".misc-pub-section label").append( "' . $label . '" );
      });
      </script>
      ';
    }
}

add_action( 'admin_footer-post.php', 'rtp_append_post_status_list' );

/**
 * Add Sold Out to your custom post status
 */
function rtp_display_sold_out_state( $states ) {
    global $post;



    $arg = get_query_var( 'post_status' );

    if( $arg != 'sold-out' ) {

        if( $post->post_status == 'sold-out' ) {
            return array( 'Sold Out' );
        }
    }

    return $states;
}

add_filter( 'display_post_states', 'rtp_display_sold_out_state' );

/**
 * Append Sold Out status to bulk edit and quick edit list
 */
function rtp_append_post_status_bulk_edit() {
    global $post;

    if( isset( $post->post_type ) && $post->post_type == 'product' ) {
        echo '<script>
			jQuery( document ).ready( function( $ ) {
				$( ".inline-edit-status select " ).append( "<option value=\"sold-out\">Sold Out</option>" );
		} );
		</script>';
    }
}

add_action( 'admin_footer-edit.php', 'rtp_append_post_status_bulk_edit' );

/**
 * Exclude Sold Out post from Blog
 */
function rtp_exclude_sold_out_post( $query ) {
    if( $query->is_main_query() && $query->is_archive() ) {
        $query->set( 'post_status', 'publish' );
    }
}

// add_action( 'pre_get_posts', 'rtp_exclude_sold_out_post' );
?>