feat(back): add rss feed

Co-authored-by: Silas Schöffel <sils@sils.li>

2 files changed, 28 insertions, 1 deletions

diff --git a/pkgs/by-name/ba/back/src/main.rs b/pkgs/by-name/ba/back/src/main.rs
index b75737a..961c39b 100644
--- a/pkgs/by-name/ba/back/src/main.rs
+++ b/pkgs/by-name/ba/back/src/main.rs
@@ -14,6 +14,7 @@ use std::process;
 use clap::Parser;
 use config::BackConfig;
 use rocket::routes;
+use web::feed;
 
 use crate::web::{closed, open, show_issue, styles};
 
@@ -39,7 +40,7 @@ async fn rocket_main() -> Result<(), error::Error> {
     let config = BackConfig::from_config_file(&args.config_file)?;
 
     rocket::build()
-        .mount("/", routes![open, closed, show_issue, styles])
+        .mount("/", routes![open, closed, show_issue, styles, feed])
         .manage(config)
         .ignite()
         .await
diff --git a/pkgs/by-name/ba/back/src/web/mod.rs b/pkgs/by-name/ba/back/src/web/mod.rs
index 35dc59f..c7ba9d9 100644
--- a/pkgs/by-name/ba/back/src/web/mod.rs
+++ b/pkgs/by-name/ba/back/src/web/mod.rs
@@ -106,6 +106,32 @@ pub fn closed(config: &State<BackConfig>) -> error::Result<RawHtml<String>> {
     issue_list_boilerplate(config, Status::Closed, Status::Open)
 }
 
+#[get("/issues/feed")]
+pub fn feed(config: &State<BackConfig>) -> error::Result<RawHtml<String>> {
+    use rss::{ChannelBuilder, Item, ItemBuilder};
+
+    let items: Vec<Item> = issues_from_repository(&config.repository.to_thread_local())?
+        .into_iter()
+        .map(|issue| issue.collapse())
+        .map(|issue| {
+            ItemBuilder::default()
+                .title(issue.title.to_string())
+                .author(issue.author.to_string())
+                .description(issue.message.to_string())
+                .pub_date(issue.timestamp.to_string())
+                .build()
+        })
+        .collect();
+
+    let channel = ChannelBuilder::default()
+        .title("Issues")
+        .link("http://example.com")
+        .description("An RSS feed.")
+        .items(items)
+        .build();
+    Ok(RawHtml(channel.to_string()))
+}
+
 #[get("/issue/<prefix>")]
 pub fn show_issue(
     config: &State<BackConfig>,