fix: handle playlist not found

src/client/response/mod.rs

@@ -25,6 +25,7 @@ pub use channel_rss::ChannelRss;
 use serde::Deserialize;
 use serde_with::{json::JsonString, serde_as, DefaultOnError, VecSkipError};
 
+use crate::error::ExtractionError;
 use crate::serializer::{
     ignore_any,
     text::{Text, TextComponent},
@@ -471,3 +472,16 @@ impl IsShort for Vec<TimeOverlay> {
         })
     }
 }
+
+pub fn alerts_to_err(alerts: Option<Vec<Alert>>) -> ExtractionError {
+    match alerts {
+        Some(alerts) => ExtractionError::ContentUnavailable(
+            alerts
+                .into_iter()
+                .map(|a| a.alert_renderer.text)
+                .collect::<Vec<_>>()
+                .join(" "),
+        ),
+        None => ExtractionError::InvalidData("no contents".into()),
+    }
+}

src/client/response/playlist.rs

@@ -5,14 +5,17 @@ use serde_with::{DefaultOnError, VecSkipError};
 use crate::serializer::text::{Text, TextComponent};
 use crate::serializer::{MapResult, VecLogError};
 
-use super::{ContentRenderer, ContentsRenderer, ThumbnailsWrap, VideoListItem};
+use super::{Alert, ContentRenderer, ContentsRenderer, ThumbnailsWrap, VideoListItem};
 
+#[serde_as]
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Playlist {
-    pub contents: Contents,
-    pub header: Header,
+    pub contents: Option<Contents>,
+    pub header: Option<Header>,
     pub sidebar: Option<Sidebar>,
+    #[serde_as(as = "Option<DefaultOnError>")]
+    pub alerts: Option<Vec<Alert>>,
 }
 
 #[serde_as]