web/templates/OpdsNavigationFeed.php

47 lines
2.3 KiB
PHP

<?
/**
* @var string $id
* @var string $url
* @var ?string $parentUrl
* @var string $title
* @var ?string $subtitle
* @var DateTimeImmutable $updated
* @var array<OpdsNavigationEntry> $entries
*/
$subtitle ??= null;
// Note that the XSL stylesheet gets stripped during `se clean` when we generate the feed.
// `se clean` will also start adding empty namespaces everywhere if we include the stylesheet declaration first.
// We have to add it programmatically when saving the feed file.
print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/terms/">
<id><?= SITE_URL . Formatter::EscapeXml($id) ?></id>
<link href="<?= SITE_URL . Formatter::EscapeXml($url) ?>" rel="self" type="application/atom+xml;profile=opds-catalog;kind=navigation; charset=utf-8"/>
<link href="<?= SITE_URL ?>/feeds/opds" rel="start" type="application/atom+xml;profile=opds-catalog;kind=navigation; charset=utf-8"/>
<link href="<?= SITE_URL ?>/feeds/opds/all" rel="http://opds-spec.org/crawlable" type="application/atom+xml;profile=opds-catalog;kind=acquisition; charset=utf-8"/>
<link href="<?= SITE_URL ?>/opensearch" rel="search" type="application/opensearchdescription+xml" title="Standard Ebooks"/>
<? if($parentUrl !== null){ ?>
<link href="<?= SITE_URL ?><?= Formatter::EscapeXml($parentUrl) ?>" rel="up" type="application/atom+xml;profile=opds-catalog;kind=navigation; charset=utf-8"/>
<? } ?>
<title><?= Formatter::EscapeXml($title) ?></title>
<? if($subtitle !== null){ ?>
<subtitle><?= Formatter::EscapeXml($subtitle) ?></subtitle>
<? } ?>
<icon><?= SITE_URL ?>/images/logo.png</icon>
<updated><?= $updated->format(Enums\DateTimeFormat::Iso->value) ?></updated>
<author>
<name>Standard Ebooks</name>
<uri><?= SITE_URL ?></uri>
</author>
<? foreach($entries as $entry){ ?>
<entry>
<title><?= Formatter::EscapeXml($entry->Title) ?></title>
<link href="<?= SITE_URL . Formatter::EscapeXml($entry->Url) ?>" rel="<?= Formatter::EscapeXml($entry->Rel) ?>" type="application/atom+xml;profile=opds-catalog;kind=<?= $entry->Type ?>; charset=utf-8"/>
<updated><?= $entry->Updated->format(Enums\DateTimeFormat::Iso->value) ?></updated>
<id><?= Formatter::EscapeXml($entry->Id) ?></id>
<content type="text"><?= Formatter::EscapeXml($entry->Description) ?></content>
</entry>
<? } ?>
</feed>