<?

/**

* @var string $id

* @var string $url

* @var string $title

* @var ?string $subtitle

* @var DateTimeImmutable $updated

* @var array<Ebook> $entries

*/

$subtitle = $subtitle ?? null;

// Note that the XSL stylesheet gets stripped during `se clean` when we generate the feed.

// `se clean` will also start adding empty namespaces everywhere if we include the stylesheet declaration first.

// We have to add it programmatically when saving the feed file.

print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");

?>

<feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/">

<id><?= SITE_URL . Formatter::EscapeXml($id) ?></id>

<link href="<?= SITE_URL . Formatter::EscapeXml($url) ?>" rel="self" type="application/atom+xml"/>

<title><?= Formatter::EscapeXml($title) ?></title>

<? if($subtitle !== null){ ?><subtitle><?= Formatter::EscapeXml($subtitle) ?></subtitle><? } ?>

<icon><?= SITE_URL ?>/images/logo.png</icon>

<updated><?= $updated->format(Enums\DateTimeFormat::Iso->value) ?></updated>

<author>

<name>Standard Ebooks</name>

<uri><?= SITE_URL ?></uri>

</author>

<link href="<?= SITE_URL ?>/ebooks/opensearch" rel="search" type="application/opensearchdescription+xml" />

<? foreach($entries as $entry){ ?>

<?= Template::AtomFeedEntry(['entry' => $entry]) ?>

<? } ?>

</feed>