<?php /** * The template for displaying the catalog page * * Template Name: Catalog * * @link https://developer.wordpress.org/themes/basics/template-hierarchy/ * * @package Aldine */ use function Aldine\Helpers\get_available_licenses; use function Aldine\Helpers\get_available_subjects; use function Aldine\Helpers\get_catalog_data; use function Aldine\Helpers\get_catalog_licenses; $current_page = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1; $orderby = ( get_query_var( 'orderby' ) ) ? get_query_var( 'orderby' ) : 'title'; $subject = ( get_query_var( 'subject' ) ) ? get_query_var( 'subject' ) : ''; $license = ( get_query_var( 'license' ) ) ? get_query_var( 'license' ) : ''; $catalog_data = get_catalog_data( $current_page, 9, $orderby, $license, $subject ); $previous_page = ( $current_page > 1 ) ? $current_page - 1 : 0; $next_page = $current_page + 1; $licenses = get_catalog_licenses(); $available_licenses = get_available_licenses( $catalog_data ); $subjects = ( defined( 'PB_PLUGIN_VERSION' ) ) ? \Pressbooks\Metadata\get_thema_subjects() : []; $available_subjects = get_available_subjects( $catalog_data ); if ( ! empty( $catalog_data['books'] ) ) : get_header(); ?> <div id="primary" class="content-area"> <main id="main" class="site-main"> <?php include( locate_template( 'partials/content-page-catalog.php' ) ); ?> </main><!-- #main --> </div><!-- #primary --> <?php get_sidebar(); get_footer(); else : global $wp_query; $wp_query->set_404(); status_header( 404 ); get_header(); ?> <div id="primary" class="content-area"> <main id="main" class="site-main"> <article class="page"> <header class="entry-header"> <h1 class="entry-title"><?php _e( 'No Books Found', 'pressbooks-aldine' ); ?></h1> </header> <div class="entry-content" style="text-align:center;"> <p><?php _e( 'No books have been added to the catalog.', 'pressbooks-aldine' ); ?></p> </div> </article> </main> </div> <?php get_footer(); exit(); endif;