Import existing code

src/main.rs

@@ -0,0 +1,50 @@
+// this script queries the ARD Audiothek via it's SQLGraph API, passes a show ID and returns all downloadable audio URLs from the result.
+use clap::Parser;
+use reqwest::blocking::Client;
+const GRAPHQL_API_URL: &str = "https://api.ardaudiothek.de/graphql";
+
+/// This function takes a show_id and a limit and queries the API for it
+fn request(show_id: i32, last: i8) -> Result<serde_json::Value, Box<dyn std::error::Error>> {
+    let query = format!(
+        "{{\"query\":\"{{programSet(id:{}){{title,path,synopsis,sharingUrl,items(orderBy:PUBLISH_DATE_DESC,filter:{{isPublished:{{equalTo:true}}}}first:{}){{nodes{{title,summary,synopsis,sharingUrl,publicationStartDateAndTime:publishDate,url,episodeNumber,duration,isPublished,audios{{url,downloadUrl,size,mimeType,}}}}}}}}}}\"}}",
+        show_id, last
+    );
+    let response = Client::builder()
+        .build()?
+        .post(GRAPHQL_API_URL)
+        .header("Content-Type", "application/json")
+        .body(query)
+        .send()?;
+
+    Ok(response.json::<serde_json::Value>()?)
+}
+
+// command line arguments
+#[derive(Parser)]
+#[command(arg_required_else_help(true), author, version, about, long_about = None)]
+struct Args {
+    /// Audiothek show ID, can be taken from show URLs.
+    show_id: i32,
+    /// how many episodes to fetch
+    #[arg(short, long, default_value("10"))]
+    last: i8,
+}
+
+fn main() {
+    // parse command line arguments
+    let args = Args::parse();
+    // send the request
+    let res = request(args.show_id, args.last).unwrap();
+    // extract episodes from result
+    let episodes = &res["data"]["programSet"]["items"]["nodes"]
+        .as_array()
+        .unwrap();
+    dbg!(episodes);
+    let urls: Vec<String> = episodes
+        .into_iter()
+        .flat_map(|episode| episode["audios"].as_array().cloned().unwrap_or_default())
+        .flat_map(|audio| audio["downloadUrl"].as_str().map(|s| s.to_string()))
+        .collect();
+    urls.iter().for_each(|u| println!("{}", &u));
+        
+}