Add support for atom / rss feedHEADmaster

Date format was changed to support `updated` in ISO format. Now every
post will require date and time, which might be a usability regression,
but we'll see. Also, `updated` field was introduced in metadata. If
there is no such field, them date field will be used instead.

1 files changed, 24 insertions, 0 deletions

diff --git a/templates/atom.xml b/templates/atom.xml
new file mode 100644
index 0000000..ba7fbda
--- /dev/null
+++ b/templates/atom.xml
@@ -0,0 +1,24 @@
+<feed xmlns="http://www.w3.org/2005/Atom">
+    <title>blog.ilvokhin.com</title>
+    <id>tag:blog.ilvokhin.com,2022:blog.ilvokhin.com</id>
+    <link rel="alternate" href="https://blog.ilvokhin.com"></link>
+    <link rel="self" href="https://blog.ilvokhin.com/atom.xml"></link>
+    <updated>{{ updated.isoformat() }}</updated>
+    <author>
+        <name>Dmitry Ilvokhin</name>
+        <uri>https://ilvokhin.com/</uri>
+        <email>d@ilvokhin.com</email>
+    </author>
+{% if posts %}
+    {% for post in posts %}
+    <entry>
+        <title>{{ post.metadata.title }}</title>
+        <id>tag:blog.ilvokhin.com,2022:blog.ilvokhin.com/{{ post.name }}</id>
+        <link rel="alternate" href="https://blog.ilvokhin.com/{{ post.name }}"></link>
+        <published>{{ post.metadata.date.isoformat() }}</published>
+        <updated>{{ post.metadata.updated.isoformat() }}</updated>
+        <content type="html">{{ post.content }}</content>
+    </entry>
+    {% endfor %}
+{% endif %}
+</feed>