pressbooks-aldine/partials/content-front-page.php

<?php
/**
 * Template part for displaying the front page
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
 *
 * @package Aldine
 */

?>

<?php

use function Aldine\Helpers\has_blocks;
use function Aldine\Helpers\get_catalog_data;

$front_page_catalog = get_option( 'pb_front_page_catalog' );
$latest_books_title = get_option( 'pb_front_page_catalog_title', __( 'Our Latest Titles', 'pressbooks-aldine' ) );
$page = ( get_query_var( 'page' ) ) ? get_query_var( 'page' ) : 1;
$catalog_data = get_catalog_data( $page, 3 );
$previous_page = ( $page > 1 ) ? $page - 1 : 0;
$next_page = $page + 1;

?>

<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	<header class="entry-header">
		<h1 class="entry-title"><?php echo get_bloginfo( 'name', 'display' ); ?></h1>
		<p class="entry-description"><?php echo get_bloginfo( 'description', 'display' ); ?></p>
	</header><!-- .entry-header -->

	<?php $classes = ( has_blocks( get_the_ID() ) ) ? 'entry-content blocks' : 'entry-content'; ?>
	<div class="<?php echo $classes; ?>">
		<?php
			the_content();
		?>
	</div><!-- .entry-content -->
</article><!-- #post-<?php the_ID(); ?> -->

<?php if ( get_option( 'pb_front_page_catalog' ) ) : ?>
<div id="latest-titles" class="latest-books">
	<h2><?php echo $latest_books_title; ?></h2>
	<div class="track">
		<div class="books" data-total-pages="<?php echo $catalog_data['pages']; ?>" <?php if ( $next_page <= $catalog_data['pages'] ) : ?>data-next-page="<?php echo $next_page; ?>"<?php endif; ?>>
		<?php foreach ( $catalog_data['books'] as $book ) :
			include( locate_template( 'partials/book.php' ) );
		endforeach; ?>
		</div>
		<?php if ( $previous_page || $next_page ) { ?>
		<div class="booknav">
		<?php } ?>
		<?php if ( $previous_page ) : ?>
			<a class="previous" rel="previous" data-page="<?php echo $previous_page; ?>" href="<?php echo network_home_url( "/page/$previous_page/#latest-titles" ); ?>">
				<span class="screen-reader-text"><?php _e( 'Previous Page', 'pressbooks' ); ?></span>
				<svg aria-hidden="true">
					<use xlink:href="#arrow-left" />
				</svg>
			</a>
		<?php endif; ?>
		<?php if ( $next_page <= $catalog_data['pages'] ) : ?>
			<a class="next" rel="next" data-page="<?php echo $next_page; ?>" href="<?php echo network_home_url( "/page/$next_page/#latest-titles" ); ?>">
				<span class="screen-reader-text"><?php _e( 'Next Page', 'pressbooks' ); ?></span>
				<svg aria-hidden="true">
					<use xlink:href="#arrow-right" />
				</svg>
			</a>
		<?php endif; ?>
		<?php if ( $previous_page || $next_page ) { ?>
		</div>
		<?php } ?>
	</div>
	<div class="catalog-link">
		<a class="button button--outline button--wide" href="<?php echo network_home_url( '/catalog/' ); ?>"><?php _e( 'View Complete Catalog', 'pressbooks-aldine' ); ?></a>
	</div>
</div>
<?php endif; ?>