From 35188195f14151adfb13404f1841f376727bee28 Mon Sep 17 00:00:00 2001
From: Alex Cabal <alex@alexcabal.com>
Date: Mon, 20 Jun 2022 14:44:07 -0500
Subject: [PATCH] Add SE tags to OPDS and improve OPDS XSLT stylesheet

---
 templates/OpdsAcquisitionEntry.php | 3 +++
 www/css/core.css                   | 4 +++-
 www/opds/style.php                 | 7 +++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/templates/OpdsAcquisitionEntry.php b/templates/OpdsAcquisitionEntry.php
index 3759fd21..7f2468a2 100644
--- a/templates/OpdsAcquisitionEntry.php
+++ b/templates/OpdsAcquisitionEntry.php
@@ -23,6 +23,9 @@
 	<? foreach($ebook->LocTags as $subject){ ?>
 	<category scheme="http://purl.org/dc/terms/LCSH" term="<?= htmlspecialchars($subject, ENT_QUOTES|ENT_XML1, 'utf-8') ?>"/>
 	<? } ?>
+	<? foreach($ebook->Tags as $subject){ ?>
+	<category scheme="https://standardebooks.org/vocab/subjects" term="<?= htmlspecialchars($subject->Name, ENT_QUOTES|ENT_XML1, 'utf-8') ?>"/>
+	<? } ?>
 	<link href="<?= $ebook->Url ?>/downloads/cover.jpg" rel="http://opds-spec.org/image" type="image/jpeg"/>
 	<link href="<?= $ebook->Url ?>/downloads/cover-thumbnail.jpg" rel="http://opds-spec.org/image/thumbnail" type="image/jpeg"/>
 	<link href="<?= $ebook->Url ?>" rel="related" title="This ebook’s page at Standard Ebooks" type="text/html"/>
diff --git a/www/css/core.css b/www/css/core.css
index 10dde5b8..a3be13fc 100644
--- a/www/css/core.css
+++ b/www/css/core.css
@@ -1241,7 +1241,7 @@ ol.ebooks-list.list > li .thumbnail-container{
 }
 
 .opds ol.ebooks-list.list > li .thumbnail-container{
-	grid-row: 1 / span 5;
+	grid-row: 1 / span 6;
 }
 
 ol.ebooks-list.list ul.tags{
@@ -1407,6 +1407,7 @@ ul.tags{
 	margin-top: 1rem;
 }
 
+.opds ul.tags,
 .rss ul.tags{
 	justify-content: flex-start;
 	margin: .5rem auto;
@@ -1417,6 +1418,7 @@ ul.tags li{
 }
 
 ul.tags li a,
+.opds ul.tags li p,
 .rss ul.tags li p{
 	border: 1px solid var(--body-text);
 	border-radius: 5px;
diff --git a/www/opds/style.php b/www/opds/style.php
index 63897c29..b5203668 100644
--- a/www/opds/style.php
+++ b/www/opds/style.php
@@ -65,6 +65,13 @@ print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n")
 							</p>
 						</xsl:for-each>
 					</div>
+					<ul class="tags">
+						<xsl:for-each select="atom:category[@scheme='https://standardebooks.org/vocab/subjects']">
+						<li>
+							<p><xsl:value-of select="@term"/></p>
+						</li>
+						</xsl:for-each>
+					</ul>
 					<div class="details">
 						<p>
 							<xsl:value-of select="atom:summary"/>