remove temp. data storage (e.g. date), and look directly at data, don't re-download (e.g. on sundays) if url has already been downloaded

src/lib.rs

@@ -1,14 +1,23 @@
+use chrono::NaiveDate;
 use serde_json::Value;
 
-pub async fn newest_morning_journal_streaming_url() -> Result<String, Box<dyn std::error::Error>> {
-    let url = get_newest_morning_journal().await?;
-    get_streaming_url(url).await
+#[derive(Clone)]
+pub struct Episode {
+    pub url: String,
+    pub date: NaiveDate,
+}
+
+pub async fn newest_morning_journal_streaming_url() -> Result<Episode, Box<dyn std::error::Error>> {
+    let (date, url) = get_newest_morning_journal().await?;
+    let url = get_streaming_url(url).await?;
+
+    Ok(Episode { url, date })
 }
 
 // List of broadcasts: https://audioapi.orf.at/oe1/api/json/current/broadcasts
 //
 // ^ contains link, e.g. https://audioapi.orf.at/oe1/api/json/4.0/broadcast/797577/20250611
-async fn get_newest_morning_journal() -> Result<String, Box<dyn std::error::Error>> {
+async fn get_newest_morning_journal() -> Result<(NaiveDate, String), Box<dyn std::error::Error>> {
     let url = "https://audioapi.orf.at/oe1/api/json/current/broadcasts";
     let data: Value = reqwest::get(url).await?.json().await?;
 
@@ -19,7 +28,11 @@ async fn get_newest_morning_journal() -> Result<String, Box<dyn std::error::Erro
                     if broadcast["title"] == "Ö1 Morgenjournal"
                         && let Some(href) = broadcast["href"].as_str()
                     {
-                        return Ok(href.into());
+                        let date = broadcast["broadcastDay"]
+                            .as_str()
+                            .expect("There needs to be a broadcastDay!");
+                        let date = NaiveDate::parse_from_str(date, "%Y%m%d").expect("broadcastDay in https://audioapi.orf.at/oe1/api/json/current/broadcasts not in a valid format");
+                        return Ok((date, href.into()));
                     }
                 }
             }

src/state.rs

@@ -1,38 +1,45 @@
-use chrono::{Local, NaiveDate};
+use chrono::Local;
+use player::Episode;
 use std::sync::Arc;
 use tokio::sync::RwLock;
 
 pub struct AppState {
-    pub urls: RwLock<Vec<String>>,
-    pub last_download_on_day: RwLock<Option<NaiveDate>>,
+    pub episodes: RwLock<Vec<Episode>>,
 }
 
 impl AppState {
     pub fn new() -> Self {
         Self {
-            urls: RwLock::new(Vec::new()),
-            last_download_on_day: RwLock::new(None),
+            episodes: RwLock::new(Vec::new()),
         }
     }
 
     pub async fn check_update(self: Arc<Self>) {
-        let today = Local::now().date_naive();
-        if let Some(downloaded_on_day) = *self.last_download_on_day.read().await
-            && today == downloaded_on_day
-        {
+        if self.already_downloaded_today().await {
             return;
         }
 
-        *self.last_download_on_day.write().await = Some(today);
-
-        let latest_url = player::newest_morning_journal_streaming_url()
+        let latest_episode = player::newest_morning_journal_streaming_url()
             .await
             .unwrap();
 
-        let mut old = self.urls.read().await.clone();
-        old.push(latest_url);
+        if self.already_downloaded_url(&latest_episode.url).await {
+            return;
+        }
+
+        let mut old = self.episodes.read().await.clone();
+        old.push(latest_episode);
         let new = old.into_iter().rev().take(10).collect(); // only keep last 10
 
-        *self.urls.write().await = new;
+        *self.episodes.write().await = new;
+    }
+
+    async fn already_downloaded_today(self: &Arc<Self>) -> bool {
+        let today = Local::now().date_naive();
+        self.episodes.read().await.iter().any(|x| x.date == today)
+    }
+
+    async fn already_downloaded_url(self: &Arc<Self>, url: &str) -> bool {
+        self.episodes.read().await.iter().any(|x| x.url == url)
     }
 }

src/streamer.rs

@@ -1,19 +1,20 @@
 use crate::state::AppState;
 use axum::{extract::State, http::HeaderMap, response::IntoResponse};
+use player::Episode;
 use reqwest::header;
 use std::sync::Arc;
 
 pub async fn stream_handler(State(state): State<Arc<AppState>>) -> impl IntoResponse {
     state.clone().check_update().await;
 
-    let content = feed(&state.urls.read().await.to_vec());
+    let content = feed(&state.episodes.read().await.to_vec());
 
     let mut headers = HeaderMap::new();
     headers.insert(header::CONTENT_TYPE, "application/rss+xml".parse().unwrap());
     (headers, content)
 }
 
-fn feed(urls: &Vec<String>) -> String {
+fn feed(episodes: &Vec<Episode>) -> String {
     let mut ret = String::new();
     ret.push_str(r#"<?xml version="1.0" encoding="UTF-8"?>"#);
     ret.push_str(r#"<rss version="2.0">"#);
@@ -22,15 +23,17 @@ fn feed(urls: &Vec<String>) -> String {
     ret.push_str("<link>https://news.hofer.link</link>");
     ret.push_str("<description>Feed für Ö1 Morgenjournal. Live.</description>");
 
-    for url in urls {
+    for episode in episodes {
         ret.push_str("<item>");
-        ret.push_str(&format!("<title>Morgenjournal</title>"));
-        ret.push_str(&format!("<link>{}</link>", quick_xml::escape::escape(url)));
+        ret.push_str(&format!(
+            "<title>Morgenjournal {}</title>",
+            &episode.date.format("%d. %m.")
+        ));
         ret.push_str(&format!(
             "<enclosure url=\"{}\" length=\"0\" type=\"audio/mpeg\"/>\n",
-            quick_xml::escape::escape(url)
+            quick_xml::escape::escape(&episode.url)
         ));
-        ret.push_str(&format!("<description>Morgenjournal</description>"));
+        ret.push_str("<description>Morgenjournal</description>");
         ret.push_str("</item>");
     }