pressbooks-aldine/partials/book.php

<?php
/**
 * Template for displaying books in network catalog
 *
 * @package Aldine
 */

use function \Aldine\Helpers\maybe_truncate_string;
use function \Pressbooks\Metadata\is_bisac;

$subject = ( isset( $book['subject'] ) && ! is_bisac( $book['subject'] ) ) ? substr( $book['subject'], 0, 2 ) : '';
$date = ( isset( $book['metadata']['datePublished'] ) ) ? str_replace( '-', '', $book['metadata']['datePublished'] ) : '';
$institution_codes = array_map( static function ( $item ) {
	return $item['code'];
}, $book['metadata']['institutions'] ?? [] );
$institution_names = array_map( static function ( $item ) {
	return \Pressbooks\Metadata\get_institution_name( $item['code'] );
}, $book['metadata']['institutions'] ?? [] );
?>
<li class="book"
<?php
if ( $date ) {
	?>
	data-date-published="<?php echo $date; ?>"<?php } ?>
	data-license="<?php echo ( new \Pressbooks\Licensing() )->getLicenseFromUrl( $book['metadata']['license']['url'] ); ?>"
	data-institution="<?php echo implode( ',', $institution_codes ); ?>"
	<?php
	if ( ! empty( $subject ) ) {
		?>
		data-subject="<?php echo $subject ?>"<?php } ?>
>
	<p class="book__title">
		<a href="<?php echo $book['link']; ?>"><?php echo maybe_truncate_string( $book['metadata']['name'] ); ?></a>
	</p>
	<?php
	/*
	<?php if (isset( $book['metadata']['author'] ) ) { ?>
	<p class="book__author">
		<?php _e( 'By', 'pressbooks-aldine' ); ?> <?php foreach ( $book['metadata']['author'] as $author ) {
			echo $author['name'];
		} ?>
	</p>
	<?php } ?>
	*/
	?>
	<?php if ( ! empty( $subject ) ) { ?>
	<p class="book__subject">
		<a href="<?php echo network_home_url( "/catalog/#$subject" ) ?>"><?php echo \Pressbooks\Metadata\get_subject_from_thema( $book['subject'] ); ?></a>
	</p>
	<?php } ?>
	<?php if ( $institution_names ) : ?>
	<p class="book__institutions">
		<?php echo implode( ', ', $institution_names ); ?>
	</p>
	<?php endif; ?>
	<p class="book__read-more">
		<a href="<?php echo $book['link']; ?>"><?php _e( 'About this book', 'pressbooks-aldine' ); ?> <svg aria-hidden="true"><use xlink:href="#arrow-right" /></svg></a>
	</p>
</li>