pressbooks aldine theme the theme used for the front page or default book
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<?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; ?>