From c65bf6c1e2af514da5322376a7602ea3be80cda1 Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Mon, 9 Oct 2023 19:46:54 +0200
Subject: html: add atom link

---
 README.md    |  1 +
 src/html.scm | 12 ++++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 2f4f0a7..32d46a3 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ You have the following constructs to generate your site:
   - `#:title`: `string`.
   - `#:subtitle`: `string`.
   - `#:uri`: URI of main document to insert in Atom. It's a `string`.
+  - `#:atom-feed-uri`: URI of Atom feed to link from HTML. It's a `string`.
   - `#:posts`: posts of your website. Used form Atom to create entries of your
     feed. It's a `list` of `post`s.
   - `#:updated`: date of the latest update of your site. If nothing is added
diff --git a/src/html.scm b/src/html.scm
index 568f885..707ef2f 100644
--- a/src/html.scm
+++ b/src/html.scm
@@ -12,12 +12,13 @@
             js))
 
 (define-record-type <index>
-  (make-index title short-description long-description uri author posts styles scripts)
+  (make-index title short-description long-description uri atom-feed-uri author posts styles scripts)
   index?
   (title index-title)
   (short-description index-short-description)
   (long-description index-long-description)
   (uri index-uri)
+  (atom-feed-uri index-atom-feed-uri)
   (author index-author)
   (posts index-posts)
   (styles index-styles)
@@ -65,12 +66,13 @@
                       (short-description "")
                       (long-description "")
                       (uri "")
+                      (atom-feed-uri #f)
                       (author (person ""))
                       (posts '())
                       (styles '())
                       (scripts '())
                 #:allow-other-keys)
-  (make-index title short-description long-description uri author posts styles scripts))
+  (make-index title short-description long-description uri atom-feed-uri author posts styles scripts))
 
 
 (define* (post #:key (id #f)
@@ -154,8 +156,14 @@
                (content "width=device-width, initial-scale=1")))
        (meta (@(name "description")
                (content ,(index-short-description index))))
+       ,(if (not (index-atom-feed-uri index))
+         `()
+         `(link (@(rel "alternate")
+                  (type "application/atom+xml")
+                  (href ,(index-atom-feed-uri index)))))
        ,@(map render-style (index-styles index)))
      (body
+       (h1 (@(class title)) ,(index-title index))
        (section (@(class description)) ,(index-long-description index))
        ,@(map render-post (index-posts index))
        ,@(map render-script (index-scripts index)))))
-- 
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