atom: add atom feed to website for posts

defaultClasses.lua

@@ -14,6 +14,14 @@ function get_default_code_class(meta)
   end
 end
 
+function make_image_url_absolute (img)
+  if img.src:sub(1,1) == '/' then
+    img.src = os.getenv 'WEBROOT' .. img.src
+  end
+  return img
+end
+
 return {{Meta = get_default_code_class},
         {Code = add_default_code_class},
-        {CodeBlock = add_default_code_class}} 
+        {CodeBlock = add_default_code_class},
+        {Image = make_image_url_absolute}}

source/nl/netsoj/chris/blog/constants.d

@@ -1,8 +1,10 @@
 /**
  * Constants which are passed to templates while rendering.
  */
-class Constants {
+struct Constants {
 	public static immutable string SITE_NAME = "Chris Josten's site";
+	public static immutable string SITE_HOST = "chris.netsoj.nl";
 	public static immutable string SITE_URL = "https://chris.netsoj.nl";
+	public static immutable string SITE_AUTHOR = "Chris Josten";
 	public static immutable string COPYRIGHT = "© Chris Josten, 2020";
 }

source/nl/netsoj/chris/blog/interfaces/http.d

@@ -1,6 +1,11 @@
+import std.algorithm : map, maxElement;
+import std.format : format;
+import std.string: join;
+
 import vibe.d;
 
 import cache;
+import constants;
 import article;
 import page;
 import project;
@@ -141,7 +146,59 @@ public:
 		// If no slug is supplied, it will be adjusted to "index"
 		req.params.addField("slug", "index");
 		mixin(singleResponseMixin("pages", "pages/page.dt"));
-	}	
+	}
+
+	@path("/feeds/posts.atom")
+	void getPostFeed(HTTPServerRequest req, HTTPServerResponse res) {
+		Article[] articleList = articles.sortedList;
+
+		DateTime lastUpdated = articleList.map!"a.firstPublished()".maxElement;
+
+		string response = q"EOS
+<?xml version="1.0" encoding="utf-8" ?>
+<feed xmlns="http://www.w3.org/2005/Atom">
+	<updated>%s</updated>
+	<title>%s</title>
+	<icon>%s</icon>
+	<link href="%s/feeds/posts.atom" rel="self" />
+	<link href="%s" />
+	<id>urn:uuid:036f1087-7fcd-466d-866d-78a0c60038cd</id>
+	<author><name>%s</name></author>
+	%s
+</feed>
+EOS"
+			.format(
+				lastUpdated.toISOExtString() ~ "Z",
+				trWeb("template.feed.title").format(trWeb("template.feed.posts.title")),
+				Constants.SITE_URL ~ "/static/img/logo.png",
+				Constants.SITE_URL,
+				Constants.SITE_URL,
+				Constants.SITE_AUTHOR,
+				articleList.map!((article) {
+					return q"EOS
+	<entry>
+		<title>%s</title>
+		<link href="%s" />
+		<id>%s</id>
+		<published>%s</published>
+		<updated>%s</updated>
+		<summary>%s</summary>
+		<content type="html">%s</content>
+	</entry>
+
+EOS"
+					.format(article.title,
+						Constants.SITE_URL ~ "/posts/" ~ article.slug,
+						"tag:" ~ Constants.SITE_HOST ~ ",2024:blog:posts:" ~ article.slug,
+						article.firstPublished().toISOExtString() ~ "Z",
+						article.updated().toISOExtString() ~ "Z",
+						article.excerpt(),
+						htmlEscape(article.content())
+					);
+				}).join()
+			);
+		res.writeBody(response, "application/atom+xml");
+	}
 }
 
 /**

source/nl/netsoj/chris/blog/model/page.d

@@ -7,6 +7,7 @@ import std.stdio;
 import dyaml;
 import vibe.vibe;
 
+import constants;
 import utils;
 
 @safe:
@@ -107,10 +108,12 @@ class Page {
 				"-f", "markdown", 
 				"-t", "html",
 				"--lua-filter", "defaultClasses.lua"];
+		string[string] env;
+		env["WEBROOT"] = Constants.SITE_URL;
 
 		if (shiftHeader != 0) args ~= "--shift-heading-level-by=" ~ to!string(shiftHeader);
 
-		ProcessPipes pandoc = pipeProcess(args);
+		ProcessPipes pandoc = pipeProcess(args, Redirect.all, env);
 		pandoc.stdin.write(source);
 		pandoc.stdin.writeln();
 		pandoc.stdin.flush();

translations/mijnblog.en_GB.po

@@ -20,3 +20,9 @@ msgid "template.page.copyright"
 msgstr "© Chris Josten, 2024. If not specified otherwise, all content on this "
 "website is <a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\">"
 "licensed under the CC-BY 4.0</a>"
+
+msgid "template.feed.title"
+msgstr "%s | Chris's website"
+
+msgid "template.feed.posts.title"
+msgstr "Posts"

translations/mijnblog.nl_NL.po

@@ -32,3 +32,9 @@ msgstr "Contact"
 msgid "template.page.copyright"
 msgstr "© Chris Josten, 2024. Tenzij anders vermeld staat, valt alle inhoud op deze webstek "
 "<a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\"> onder de CC-BY 4.0</a>"
+
+msgid "template.feed.title"
+msgstr "%s | Chris z'n webstekkie"
+
+msgid "template.feed.posts.title"
+msgstr "Berichten"

translations/mijnblog.pot

@@ -1,2 +1,28 @@
-msgid "page.header-bottom-text"
-msgstr ""
+msgid "template.page.name"
+msgstr "Chris's website"
+
+msgid "template.page.html_language"
+msgstr "en-GB"
+
+msgid "template.menu.home"
+msgstr "Home"
+
+msgid "template.menu.posts"
+msgstr "Posts"
+
+msgid "template.menu.projects"
+msgstr "Projects"
+
+msgid "template.menu.contact"
+msgstr "Contact"
+
+msgid "template.page.copyright"
+msgstr "© Chris Josten, 2024. If not specified otherwise, all content on this "
+"website is <a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\">"
+"licensed under the CC-BY 4.0</a>"
+
+msgid "template.feed.title"
+msgstr "%s | Chris's website"
+
+msgid "template.feed.posts.title"
+msgstr "Posts"

views/parts/page.dt

@@ -6,6 +6,7 @@ html(prefix="og: http://ogp.me/ns#")
 		//- Kick off loading the css as fast as possible
 		meta(name="viewport", content="width=device-width; initial-scale=1")
 		link(rel="stylesheet", href="/static/style/base.css")
+		link(rel="alternate", href="/feeds/posts.atom", type="application/atom+xml", title=trWeb("template.feed.title").format(trWeb("template.feed.posts.title")))
 
 		- string page_image = "/static/img/logo.png";
 		- string page_title;