LiteXiv/include/artwork_sections.php

<?php
function render_artwork_images() {
	global $artwork, $settings;
	if ($artwork->pageCount == 1) {
		render_artwork_image(
			$artwork->urls->original, $artwork->urls->regular,
			$artwork->width, $artwork->height,
			sprintf(get_string('artwork.image-alt'), '1', '1')
		);
		return;
	}

	list($artwork_pages, $error) = get_artwork_pages($artwork->id);
	if ($error) {
		for ($p = 0; $p < $artwork->pageCount; $p ++) {
			$artwork_pages[$p] = [
				'urls' => [
					'regular' => str_replace('_p0', '_p' . $p, $artwork->urls->original),
					'original' => str_replace('_p0', '_p' . $p, $artwork->urls->regular)
				],
				'width' => false,
				'height' => false
			];
		}
	}
	else {
		$artwork_pages = $artwork_pages['body'];
	}

	if ($settings['collapse-pages'] == 'off') {
		for ($p = 0; $p < $artwork->pageCount; $p ++) {
			render_artwork_image(
				$artwork_pages[$p]['urls']['original'], $artwork_pages[$p]['urls']['regular'],
				$artwork_pages[$p]['width'], $artwork_pages[$p]['height'],
				sprintf(get_string('artwork.image-alt'), $p + 1, $artwork->pageCount)
			);
		}
		return;
	}

	render_collapsed_content(
		2, get_string('artwork.images-show-all'),
		function($page) use ($artwork, $artwork_pages) {
			for ($p = $page; $p < ($page == 0 ? 1 : $artwork->pageCount); $p ++) {
				render_artwork_image(
					$artwork_pages[$p]['urls']['original'], $artwork_pages[$p]['urls']['regular'],
					$artwork_pages[$p]['width'], $artwork_pages[$p]['height'],
					sprintf(get_string('artwork.image-alt'), $p + 1, $artwork->pageCount)
				);
			}
		}
	);
}

function render_artwork_image($original_url, $regular_url, $width, $height, $alt) { ?>
	<a target="_blank" href="<?= get_proxy_url($original_url) ?>">
		<img
			loading="lazy"
			alt="<?= $alt ?>" title="<?= $alt ?>"
			src="<?= get_proxy_url($regular_url) ?>"
			width="<?= $width ?>" height="<?= $height ?>"
		>
	</a><?php
}

function render_artwork_comments() {
	require_once __DIR__ . '/comments.php';
	global $artwork; ?>

	<h2><?= sprintf(get_string('artwork.comments'), $artwork->commentCount) ?></h2><?php

	if ($artwork->commentOff == 1) { ?>
		<p><?= get_string('artwork.comments-off') ?></p><?php
		return;
	}

	if ($artwork->commentCount == 0) { ?>
		<p><?= get_string('artwork.no-comments') ?></p><?php
		return;
	}

	list($comments, $error) = get_artwork_comments($artwork->id, 0, COMMENTS_PREVIEW + 1);
	if ($error) { ?>
		<p><?= get_string($error) ?></p><?php
		return;
	}
	$comments = $comments->body->comments;

	render_comment_list(array_slice($comments, 0, COMMENTS_PREVIEW));

	if (count($comments) > COMMENTS_PREVIEW) { ?>
		<p class="center">
			<a class="button" target="_blank" href="comments.php?id=<?= $artwork->id ?>">
				<?= get_string('artwork.show-more')?>
			</a>
		</p><?php
	}
}

function render_artwork_related() {
	require_once __DIR__ . '/artworks_grid.php';
	global $artwork; ?>

	<h2><?= get_string('artwork.related') ?></h2><?php

	list($related, $error) = get_artwork_related($artwork->id);
	if ($error) { ?>
		<p><?= get_string($error) ?></p><?php
		return;
	}
	$related = $related->body->illusts;

	render_artworks_grid($related, true, true);
}