main: Improve feed parse error handling

src/main.rs

@@ -39,7 +39,7 @@ use crate::{
 };
 
 use std::{ sync::Arc, cmp::max };
-use tracing::{ info, debug };
+use tracing::{ info, debug, error };
 use chrono::DateTime;
 
 #[tokio::main]
@@ -63,8 +63,24 @@ async fn main() -> anyhow::Result<()> {
         tokio::spawn(async move {
 
             loop {
-                let feed = fetch_and_parse_feed(&feed_config.url).await
-                    .expect("Failed to parse feed");
+                let feed: Option<_> = match fetch_and_parse_feed(&feed_config.url).await {
+                    Ok(f) => Some(f),
+                    Err(e) => {
+                        error!("Failed to parse feed {}: {:?}",
+                            feed_config.url,
+                            e
+                        );
+                        None
+                    }
+                };
+
+                let feed = if feed.is_none() {
+                    info!("Sleeping for {} seconds before refreshing this feed", feed_config.delay);
+                    sleep(Duration::from_secs(feed_config.delay)).await;
+                    continue;
+                } else {
+                    feed.unwrap()
+                };
 
                 let rooms = feed_config.rooms.clone();