feat: RSS feeds now only contain up to ten entries — radicle-ci-broker

Very long RSS feeds can cause problems for some readers. Apparently they forget they’ve already seen very old entries and show them as new. To work around this, only include the ten newest CI runs.

Signed-off-by: Lars Wirzenius liw@liw.fi

     util::{parse_timestamp, rfc822_timestamp},
 };
 const MAX_RSS_ENTRIES: usize = 10;
 const BROKER_RSS: &str = "index.rss";
 const FAILURE_RSS: &str = "failed.rss";
 const UNFINISHED_RSS: &str = "unfinished.rss";

             .title("Radicle CI broker run information")
             .description("All CI runs known to this instance of the Radicle CI broker.")
             .link("FIXME:link");
         let mut items = vec![];
         for (_alias, repo_id) in self.repos() {
             for run in self.runs(repo_id) {
                 channel.item(Self::rss_item_from_run(run)?);
                 items.push(Self::rss_item_from_run(run)?);
             }
         }
         items.sort_by_key(|item| item.pub_date().map(|s| s.to_string()));
         items.reverse();
         for item in items.iter().take(MAX_RSS_ENTRIES).cloned() {
             channel.item(item);
         }
         Ok(channel.build())
     }