From e1678fb679d07f1014e9684d6a4ff4bc92ca3b74 Mon Sep 17 00:00:00 2001
From: kirbylife <kirbylife@protonmail.com>
Date: Sun, 10 Dec 2023 22:53:43 -0600
Subject: [PATCH] Add RSS/Atom feeds

---
 src/main.rs              | 49 +++++++++++++++++++++++++++++++++++++++-
 templates/atom.html.tera | 27 ++++++++++++++++++++++
 templates/base.html.tera |  2 +-
 templates/rss.html.tera  | 21 +++++++++++++++++
 4 files changed, 97 insertions(+), 2 deletions(-)
 create mode 100644 templates/atom.html.tera
 create mode 100644 templates/rss.html.tera

diff --git a/src/main.rs b/src/main.rs
index 2bcf28a..41c84ef 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,6 +19,7 @@ use comrak::{markdown_to_html, ComrakOptions};
 use controllers::posts;
 use dotenv::dotenv;
 use misc::get_context;
+use rocket::response::content;
 use rocket::response::NamedFile;
 use rocket::Request;
 use rocket_contrib::serve::StaticFiles;
@@ -42,6 +43,52 @@ fn index(page: Option<u64>) -> Template {
     Template::render("index", context)
 }
 
+#[get("/feed.xml")]
+fn rss_feed() -> content::Xml<Template> {
+    let mut context = get_context();
+    let (mut posts, _) = posts::get_posts(None);
+
+    let comrak_options = ComrakOptions {
+        ext_table: true,
+        ext_autolink: true,
+        ext_tasklist: true,
+        unsafe_: true,
+        ..ComrakOptions::default()
+    };
+
+    posts.iter_mut().for_each(|post| {
+        let content = markdown_to_html(&post.content, &comrak_options);
+        post.content = content;
+    });
+
+    context.insert("posts", &posts);
+
+    content::Xml(Template::render("rss", context))
+}
+
+#[get("/atom.xml")]
+fn atom_feed() -> content::Xml<Template> {
+    let mut context = get_context();
+    let (mut posts, _) = posts::get_posts(None);
+
+    let comrak_options = ComrakOptions {
+        ext_table: true,
+        ext_autolink: true,
+        ext_tasklist: true,
+        unsafe_: true,
+        ..ComrakOptions::default()
+    };
+
+    posts.iter_mut().for_each(|post| {
+        let content = markdown_to_html(&post.content, &comrak_options);
+        post.content = content;
+    });
+
+    context.insert("posts", &posts);
+
+    content::Xml(Template::render("atom", context))
+}
+
 #[get("/post/<title>")]
 fn show_post(title: String) -> Template {
     let mut context = get_context();
@@ -93,7 +140,7 @@ fn main() {
 
     rocket::ignite()
         .attach(Template::fairing())
-        .mount("/", routes![index, show_post, favicon])
+        .mount("/", routes![index, show_post, favicon, rss_feed, atom_feed])
         .mount("/admin", admin::get_routes())
         .mount("/static", StaticFiles::from("static"))
         .register(catchers![not_found_404])
diff --git a/templates/atom.html.tera b/templates/atom.html.tera
new file mode 100644
index 0000000..13b6511
--- /dev/null
+++ b/templates/atom.html.tera
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<feed xmlns="http://www.w3.org/2005/Atom">
+  <title>Código Comentado</title>
+  <link href="https://blog.kirbylife.dev" rel="alternate" />
+  <link href="https://blog.kirbylife.dev/atom.xml" rel="self" />
+  <id>"https://blog.kirbylife.dev"</id>
+  <subtitle>Blog personal de kirbylife</subtitle>
+  <updated>{{ posts.0.created_at | date(format="%Y-%m-%d") }}</updated>
+  <author>
+    <name>kirbylife</name>
+    <email>hola@kirbylife.dev</email>
+  </author>
+  {%- for post in posts %}
+    <entry>
+      <title>{{ post.title }}</title>
+      <link>https://blog.kirbylife.dev/post/{{ post.title | slugify }}-{{ post.id }}</link>
+      <published>{{ post.created_at | date(format="%Y-%m-%d") }}</published>
+      <updated>{{ post.created_at | date(format="%Y-%m-%d") }}</updated>
+      <author>
+        <name>kirbylife</name>
+        <email>hola@kirbylife.dev</email>
+      </author>
+      <id>tag:blog.kirbylife.dev,{{ post.created_at | date(format="%Y-%m-%d") }}:/post/{{ post.id }}</id>
+      <content type="html">{{ post.content }}</content>
+    </entry>
+  {%- endfor %}
+</feed>
diff --git a/templates/base.html.tera b/templates/base.html.tera
index 749a595..db45ab6 100644
--- a/templates/base.html.tera
+++ b/templates/base.html.tera
@@ -38,7 +38,7 @@
   </div>
   <footer>
     <span>
-      Hecho con Rust, Rocket y Emacs por <a href="https://kirbylife.gitlab.io">@kirbylife</a>
+      Hecho con Rust y Rocket por <a href="https://kirbylife.dev">@kirbylife</a> - <a href="/feed.xml">RSS</a> - <a href="/atom.xml">Atom</a>
     </span>
   </footer>
   {% block extrajs %}
diff --git a/templates/rss.html.tera b/templates/rss.html.tera
new file mode 100644
index 0000000..51783c5
--- /dev/null
+++ b/templates/rss.html.tera
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0">
+  <channel>
+    <title>Código Comentado</title>
+    <link>https://blog.kirbylife.dev</link>
+    <description>Blog personal de kirbylife</description>
+    <language>es-mx</language>
+    <webMaster>https://kirbylife.dev</webMaster>
+    <managingEditor>https://kirbylife.dev</managingEditor>
+    <generator>Rocket</generator>
+    {%- for post in posts %}
+      <item>
+        <title>{{ post.title }}</title>
+        <pubDate>{{ post.created_at | date(format="%Y-%m-%d") }}</pubDate>
+        <link>https://blog.kirbylife.dev/post/{{ post.title | slugify }}-{{ post.id }}</link>
+        <guid isPermaLink="true">https://blog.kirbylife.dev/post/{{ post.id }}</guid>
+        <description>{{ post.content }}</description>
+      </item>
+    {%- endfor %}
+  </channel>
+</rss>