publish package slides

gistfile1.php

/**
 * Make slide post_status mirror the post status of the parent post
 *
 * Using $wpdb to update the values because I don't want to toggle all our other actions
 */
function time_transition_package_status( $new_status, $old_status, $post ) {

	global $wpdb;

	// this is only for posts
	if( $post->post_type != 'post' ) return;

	// sometimes the format wont be set, we need to get it from $_POST
	$format = isset( $_POST['time_post_format'] ) ? str_replace( 'time-post-format-', '', $_POST['time_post_format'] ) : time_get_post_format( $post->ID );

	// package == special
	if( $format == 'special' ) {

		// published packages
		if( $old_status != 'publish' && $new_status == 'publish' ) {

			// update all the slides to have a post_status of publish
			$slides = time_get_slides( $post->ID );
			if( $slides ) {
				$wpdb->query(
					"
					UPDATE $wpdb->posts
					SET $wpdb->posts.post_status = 'publish'
					WHERE $wpdb->posts.ID IN (".implode( ',', wp_list_pluck( $slides, 'ID' ) ).")
					"
				);
				clean_post_cache( $post->ID );
			}

		} else if( $old_status == 'publish' && $new_status != 'publish' ) {

			// set all the slides to draft status
			$slides = time_get_slides( $post->ID );

			if( $slides ) {
				$wpdb->query(
					"
					UPDATE $wpdb->posts
					SET $wpdb->posts.post_status = 'draft'
					WHERE $wpdb->posts.ID IN (".implode( ',', wp_list_pluck( $slides, 'ID' ) ).")
					"
				);
				clean_post_cache( $post->ID );
			}
		}
	}
}
add_action( 'transition_post_status', 'time_transition_package_status', 2, 3 );