fix yt-dlp's "none" string value to real None variant

.gitignore

@@ -1,3 +1,4 @@
 /target
 .env
-*.json
+*.json
+*.txt

src/dl/yt_dlp.rs

@@ -12,12 +12,24 @@ pub struct YtDlpFormat {
     pub width: Option<u16>,
     pub height: Option<u16>,
     pub ext: String,
-    pub vcodec: Option<String>,
     pub acodec: Option<String>,
+    pub vcodec: Option<String>,
     pub abr: Option<f32>,
     pub vbr: Option<f32>,
 }
 
+impl YtDlpFormat {
+    pub fn process(&mut self) {
+        if self.acodec.as_ref().is_some_and(|v| v == "none") {
+            self.acodec = None
+        }
+
+        if self.vcodec.as_ref().is_some_and(|v| v == "none") {
+            self.vcodec = None
+        }
+    }
+}
+
 #[derive(Deserialize, Debug)]
 pub struct YtDlpInfo {
     pub id: String,
@@ -25,6 +37,14 @@ pub struct YtDlpInfo {
     pub formats: Vec<YtDlpFormat>,
 }
 
+impl YtDlpInfo {
+    pub fn process(&mut self) {
+        for format in &mut self.formats {
+            format.process()
+        }
+    }
+}
+
 #[derive(Debug)]
 pub enum YtDlpError {
     CommandError(std::io::Error),
@@ -77,7 +97,8 @@ impl YtDlp {
             return Err(YtDlpError::ErrorMessage(message.to_string()));
         }
 
-        let info: YtDlpInfo = serde_json::from_slice(&output.stdout)?;
+        let mut info: YtDlpInfo = serde_json::from_slice(&output.stdout)?;
+        info.process();
 
         Ok(info)
     }

src/main.rs

@@ -36,7 +36,10 @@ where
 async fn main() -> anyhow::Result<()> {
     dotenv().ok();
 
-    let _ = YtDlp::load_info(env::var("TEST_URL")?.as_str()).await;
+    let info = YtDlp::load_info(env::var("TEST_URL")?.as_str())
+        .await
+        .expect("load_info");
+    dbg!(info);
 
     Ok(())
     //bot_main().await