initial prototype

src/lib.rs

@@ -0,0 +1,45 @@
+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
+}
+
+// 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>> {
+    let url = "https://audioapi.orf.at/oe1/api/json/current/broadcasts";
+    let data: Value = reqwest::get(url).await?.json().await?;
+
+    if let Some(days) = data.as_array() {
+        for day in days.iter().rev() {
+            if let Some(broadcasts) = day["broadcasts"].as_array() {
+                for broadcast in broadcasts.iter().rev() {
+                    if broadcast["title"] == "Ö1 Morgenjournal" {
+                        if let Some(href) = broadcast["href"].as_str() {
+                            return Ok(href.into());
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    Err(String::from("No Ö1 Morgenjournal found").into())
+}
+
+async fn get_streaming_url(url: String) -> Result<String, Box<dyn std::error::Error>> {
+    let data: Value = reqwest::get(url).await?.json().await?;
+    let Some(streams) = data["streams"].as_array() else {
+        return Err(String::from("No 'streams' found").into());
+    };
+    assert_eq!(streams.len(), 1);
+    let Some(id) = streams[0]["loopStreamId"].as_str() else {
+        return Err(String::from("No 'loopStreamId' found").into());
+    };
+
+    Ok(format!(
+        "https://loopstream01.apa.at/?channel=oe1&shoutcast=0&id={id}"
+    ))
+}