1 files changed, 75 insertions, 0 deletions
diff --git a/src/blog/atom.rs b/src/blog/atom.rs
new file mode 100644
index 0000000..e6b931c
--- /dev/null
+++ b/src/blog/atom.rs
@@ -0,0 +1,75 @@
+use super::{
+    helper::{get_articles, ArticleMeta},
+    rocket_uri_macro_r_blog_article, rocket_uri_macro_r_blog_index, ARTICLE_ROOT,
+};
+use crate::{error::MyResult, uri};
+use rocket::get;
+use std::{path::PathBuf, str::FromStr};
+
+#[get("/blog/feed.atom")]
+pub async fn r_blog_atom() -> MyResult<String> {
+    let entries = get_articles(&PathBuf::from_str(ARTICLE_ROOT).unwrap())
+        .await?
+        .iter()
+        .map(
+            |ArticleMeta {
+                 title,
+                 date,
+                 canonical_name,
+                 ..
+             }| {
+                let title = horrible_escape_function(title);
+                let datetime = iso8601::DateTime {
+                    date: date.clone(),
+                    time: iso8601::Time::default(),
+                };
+                let href = uri!(r_blog_article(canonical_name));
+                format!(
+                    r#"
+    <entry>
+        <title>{title}</title>
+        <link href="{href}/{canonical_name}" />
+        <id>tag:metamuffin.org,{date},{title}</id>
+        <published>{datetime}</published>
+        <summary>N/A</summary>
+        <author>
+            <name>metamuffin</name>
+            <email>metamuffin@disroot.org</email>
+        </author>
+    </entry>"#
+                )
+            },
+        )
+        .collect::<Vec<_>>();
+
+    let feed_url = uri!(r_blog_atom());
+    let index_url = uri!(r_blog_index());
+    let now = chrono::Utc::now().to_rfc3339();
+
+    Ok(format!(
+        r#"<?xml version="1.0" encoding="utf-8"?>
+    <feed xmlns="http://www.w3.org/2005/Atom">
+	<title>metamuffin's blog</title>
+	<subtitle>where they post pointless stuff</subtitle>
+	<link href="{feed_url}" rel="self" />
+	<link href="{index_url}" />
+	<id>urn:uuid:3cf2b704-3d94-4f1f-b194-42798ab5b47c</id>
+	<updated>{now}</updated>
+    <author>
+        <name>metamuffin</name>
+        <email>metamuffin@disroot.org</email>
+    </author>
+    {}
+    </feed>
+    "#,
+        entries.join("\n")
+    ))
+}
+
+pub fn horrible_escape_function(text: &str) -> String {
+    text.replace("&", "&amp;")
+        .replace("<", "&lt;")
+        .replace(">", "&gt;")
+        .replace("'", "&#8217;")
+        .replace("\"", "&quot;")
+}