fix: handle playlist not found

src/client/channel.rs

@@ -160,7 +160,7 @@ impl MapResponse<Channel<Paginator<ChannelVideo>>> for response::Channel {
         lang: Language,
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Channel<Paginator<ChannelVideo>>>, ExtractionError> {
-        let content = map_channel_content(self.contents, id);
+        let content = map_channel_content(self.contents, id, self.alerts)?;
         let mut warnings = content.warnings;
         let grid = match content.c {
             response::channel::ChannelContent::GridRenderer { items } => Some(items),
@@ -191,7 +191,7 @@ impl MapResponse<Channel<Paginator<ChannelPlaylist>>> for response::Channel {
         lang: Language,
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Channel<Paginator<ChannelPlaylist>>>, ExtractionError> {
-        let content = map_channel_content(self.contents, id);
+        let content = map_channel_content(self.contents, id, self.alerts)?;
         let mut warnings = content.warnings;
         let grid = match content.c {
             response::channel::ChannelContent::GridRenderer { items } => Some(items),
@@ -222,7 +222,7 @@ impl MapResponse<Channel<ChannelInfo>> for response::Channel {
         lang: Language,
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Channel<ChannelInfo>>, ExtractionError> {
-        let content = map_channel_content(self.contents, id);
+        let content = map_channel_content(self.contents, id, self.alerts)?;
         let mut warnings = content.warnings;
         let meta = match content.c {
             response::channel::ChannelContent::ChannelAboutFullMetadataRenderer(meta) => Some(meta),
@@ -281,12 +281,11 @@ impl MapResponse<Paginator<ChannelVideo>> for response::ChannelCont {
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Paginator<ChannelVideo>>, ExtractionError> {
         let mut actions = self.on_response_received_actions;
-        let res = some_or_bail!(
+        let res = actions
-            actions.try_swap_remove(0),
+            .try_swap_remove(0)
-            Err(ExtractionError::InvalidData("no received action".into()))
+            .ok_or(ExtractionError::Retry)?
-        )
+            .append_continuation_items_action
-        .append_continuation_items_action
+            .continuation_items;
-        .continuation_items;
 
         Ok(map_videos(res, lang))
     }
@@ -300,12 +299,11 @@ impl MapResponse<Paginator<ChannelPlaylist>> for response::ChannelCont {
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Paginator<ChannelPlaylist>>, ExtractionError> {
         let mut actions = self.on_response_received_actions;
-        let res = some_or_bail!(
+        let res = actions
-            actions.try_swap_remove(0),
+            .try_swap_remove(0)
-            Err(ExtractionError::InvalidData("no received action".into()))
+            .ok_or(ExtractionError::Retry)?
-        )
+            .append_continuation_items_action
-        .append_continuation_items_action
+            .continuation_items;
-        .continuation_items;
 
         Ok(map_playlists(res))
     }
@@ -419,14 +417,18 @@ fn map_vanity_url(url: &str, id: &str) -> Option<String> {
 }
 
 fn map_channel<T>(
-    header: response::channel::Header,
+    header: Option<response::channel::Header>,
-    metadata: response::channel::Metadata,
+    metadata: Option<response::channel::Metadata>,
-    microformat: response::channel::Microformat,
+    microformat: Option<response::channel::Microformat>,
     content: T,
     id: &str,
     lang: Language,
 ) -> Result<Channel<T>, ExtractionError> {
-    let metadata = metadata.channel_metadata_renderer;
+    let header = header.ok_or(ExtractionError::NoData)?;
+    let metadata = metadata
+        .ok_or(ExtractionError::NoData)?
+        .channel_metadata_renderer;
+    let microformat = microformat.ok_or(ExtractionError::NoData)?;
 
     if metadata.external_id != id {
         return Err(ExtractionError::WrongResult(format!(
@@ -494,39 +496,45 @@ fn map_channel<T>(
 }
 
 fn map_channel_content(
-    contents: response::channel::Contents,
+    contents: Option<response::channel::Contents>,
     id: &str,
-) -> MapResult<response::channel::ChannelContent> {
+    alerts: Option<Vec<response::Alert>>,
-    let mut tabs = contents.two_column_browse_results_renderer.tabs;
+) -> Result<MapResult<response::channel::ChannelContent>, ExtractionError> {
-    let mut sectionlist = some_or_bail!(
+    match contents {
-        tabs.try_swap_remove(0),
+        Some(contents) => {
-        MapResult::error("no tab".to_owned())
+            let mut tabs = contents.two_column_browse_results_renderer.tabs;
-    )
+            let mut sectionlist = some_or_bail!(
-    .tab_renderer
+                tabs.try_swap_remove(0),
-    .content
+                Ok(MapResult::error("no tab".to_owned()))
-    .section_list_renderer;
+            )
+            .tab_renderer
+            .content
+            .section_list_renderer;
 
-    if let Some(target_id) = sectionlist.target_id {
+            if let Some(target_id) = sectionlist.target_id {
-        // YouTube falls back to the featured page if the channel does not have a "videos" tab.
+                // YouTube falls back to the featured page if the channel does not have a "videos" tab.
-        // This is the case for YouTube Music channels.
+                // This is the case for YouTube Music channels.
-        if target_id.starts_with(&format!("browse-feed{}featured", id)) {
+                if target_id.starts_with(&format!("browse-feed{}featured", id)) {
-            return MapResult::ok(response::channel::ChannelContent::None);
+                    return Ok(MapResult::ok(response::channel::ChannelContent::None));
+                }
+            }
+
+            let mut itemsection = some_or_bail!(
+                sectionlist.contents.try_swap_remove(0),
+                Ok(MapResult::error("no sectionlist".to_owned()))
+            )
+            .item_section_renderer
+            .contents;
+
+            let content = some_or_bail!(
+                itemsection.try_swap_remove(0),
+                Ok(MapResult::error("no channel content".to_owned()))
+            );
+
+            Ok(MapResult::ok(content))
         }
+        None => Err(response::alerts_to_err(alerts)),
     }
-
-    let mut itemsection = some_or_bail!(
-        sectionlist.contents.try_swap_remove(0),
-        MapResult::error("no sectionlist".to_owned())
-    )
-    .item_section_renderer
-    .contents;
-
-    let content = some_or_bail!(
-        itemsection.try_swap_remove(0),
-        MapResult::error("no channel content".to_owned())
-    );
-
-    MapResult::ok(content)
 }
 
 #[cfg(test)]

src/client/mod.rs

@@ -169,7 +169,8 @@ struct RustyPipeRef {
     http: Client,
     storage: Option<Box<dyn CacheStorage>>,
     reporter: Option<Box<dyn Reporter>>,
-    n_retries: u32,
+    n_http_retries: u32,
+    n_query_retries: u32,
     consent_cookie: String,
     cache: CacheHolder,
     default_opts: RustyPipeOpts,
@@ -186,7 +187,8 @@ struct RustyPipeOpts {
 pub struct RustyPipeBuilder {
     storage: Option<Box<dyn CacheStorage>>,
     reporter: Option<Box<dyn Reporter>>,
-    n_retries: u32,
+    n_http_retries: u32,
+    n_query_retries: u32,
     user_agent: String,
     default_opts: RustyPipeOpts,
 }
@@ -277,7 +279,8 @@ impl RustyPipeBuilder {
             default_opts: RustyPipeOpts::default(),
             storage: Some(Box::new(FileStorage::default())),
             reporter: Some(Box::new(FileReporter::default())),
-            n_retries: 3,
+            n_http_retries: 3,
+            n_query_retries: 2,
             user_agent: DEFAULT_UA.to_owned(),
         }
     }
@@ -312,7 +315,8 @@ impl RustyPipeBuilder {
                 http,
                 storage: self.storage,
                 reporter: self.reporter,
-                n_retries: self.n_retries,
+                n_http_retries: self.n_http_retries,
+                n_query_retries: self.n_query_retries,
                 consent_cookie: format!(
                     "{}={}{}",
                     CONSENT_COOKIE,
@@ -367,8 +371,18 @@ impl RustyPipeBuilder {
     /// random jitter to be less predictable).
     ///
     /// **Default value**: 3
-    pub fn n_retries(mut self, n_retries: u32) -> Self {
+    pub fn n_http_retries(mut self, n_retries: u32) -> Self {
-        self.n_retries = n_retries;
+        self.n_http_retries = n_retries;
+        self
+    }
+
+    /// Set the number of retries for YouTube API queries.
+    ///
+    /// If a YouTube API requests returns invalid data, the request is repeated.
+    ///
+    /// **Default value**: 2
+    pub fn n_query_retries(mut self, n_retries: u32) -> Self {
+        self.n_http_retries = n_retries;
         self
     }
 
@@ -458,7 +472,7 @@ impl RustyPipe {
         request: Request,
     ) -> core::result::Result<Response, reqwest::Error> {
         let mut last_res = None;
-        for n in 0..self.inner.n_retries {
+        for n in 0..self.inner.n_http_retries {
             let res = self.inner.http.execute(request.try_clone().unwrap()).await;
             let emsg = match &res {
                 Ok(response) => {
@@ -939,6 +953,56 @@ impl RustyPipeQuery {
         endpoint: &str,
         body: &B,
         deobf: Option<&Deobfuscator>,
+    ) -> Result<M> {
+        for n in 0..self.client.inner.n_query_retries.saturating_sub(1) {
+            let res = self
+                ._try_execute_request_deobf::<R, M, B>(
+                    ctype,
+                    operation,
+                    id,
+                    endpoint,
+                    body,
+                    deobf,
+                    n == 0,
+                )
+                .await;
+            let emsg = match res {
+                Ok(res) => return Ok(res),
+                Err(error) => match &error {
+                    Error::Extraction(e) => match e {
+                        ExtractionError::Deserialization(_)
+                        | ExtractionError::InvalidData(_)
+                        | ExtractionError::WrongResult(_)
+                        | ExtractionError::Retry => e.to_string(),
+                        _ => return Err(error),
+                    },
+                    _ => return Err(error),
+                },
+            };
+
+            warn!("{} retry attempt #{}. Error: {}.", operation, n, emsg);
+        }
+        self._try_execute_request_deobf::<R, M, B>(
+            ctype, operation, id, endpoint, body, deobf, false,
+        )
+        .await
+    }
+
+    /// Single try of `execute_request_deobf`
+    #[allow(clippy::too_many_arguments)]
+    async fn _try_execute_request_deobf<
+        R: DeserializeOwned + MapResponse<M> + Debug,
+        M,
+        B: Serialize + ?Sized,
+    >(
+        &self,
+        ctype: ClientType,
+        operation: &str,
+        id: &str,
+        endpoint: &str,
+        body: &B,
+        deobf: Option<&Deobfuscator>,
+        report: bool,
     ) -> Result<M> {
         let request = self
             .request_builder(ctype, endpoint)
@@ -949,36 +1013,38 @@ impl RustyPipeQuery {
         let request_url = request.url().to_string();
         let request_headers = request.headers().to_owned();
 
-        let response = self.client.inner.http.execute(request).await?;
+        let response = self.client.http_request(request).await?;
 
         let status = response.status();
         let resp_str = response.text().await?;
 
         let create_report = |level: Level, error: Option<String>, msgs: Vec<String>| {
-            if let Some(reporter) = &self.client.inner.reporter {
+            if report {
-                let report = Report {
+                if let Some(reporter) = &self.client.inner.reporter {
-                    info: Default::default(),
+                    let report = Report {
-                    level,
+                        info: Default::default(),
-                    operation: format!("{}({})", operation, id),
+                        level,
-                    error,
+                        operation: format!("{}({})", operation, id),
-                    msgs,
+                        error,
-                    deobf_data: deobf.map(Deobfuscator::get_data),
+                        msgs,
-                    http_request: crate::report::HTTPRequest {
+                        deobf_data: deobf.map(Deobfuscator::get_data),
-                        url: request_url,
+                        http_request: crate::report::HTTPRequest {
-                        method: "POST".to_string(),
+                            url: request_url,
-                        req_header: request_headers
+                            method: "POST".to_string(),
-                            .iter()
+                            req_header: request_headers
-                            .map(|(k, v)| {
+                                .iter()
-                                (k.to_string(), v.to_str().unwrap_or_default().to_owned())
+                                .map(|(k, v)| {
-                            })
+                                    (k.to_string(), v.to_str().unwrap_or_default().to_owned())
-                            .collect(),
+                                })
-                        req_body: serde_json::to_string(body).unwrap_or_default(),
+                                .collect(),
-                        status: status.into(),
+                            req_body: serde_json::to_string(body).unwrap_or_default(),
-                        resp_body: resp_str.to_owned(),
+                            status: status.into(),
-                    },
+                            resp_body: resp_str.to_owned(),
-                };
+                        },
+                    };
 
-                reporter.report(&report);
+                    reporter.report(&report);
+                }
             }
         };
 
@@ -1009,7 +1075,14 @@ impl RustyPipeQuery {
                     Ok(mapres.c)
                 }
                 Err(e) => {
-                    create_report(Level::ERR, Some(e.to_string()), Vec::new());
+                    match e {
+                        ExtractionError::VideoUnavailable(_, _)
+                        | ExtractionError::VideoAgeRestricted
+                        | ExtractionError::ContentUnavailable(_)
+                        | ExtractionError::NoData
+                        | ExtractionError::Retry => (),
+                        _ => create_report(Level::ERR, Some(e.to_string()), Vec::new()),
+                    }
                     Err(e.into())
                 }
             },

src/client/playlist.rs

@@ -68,8 +68,12 @@ impl MapResponse<Playlist> for response::Playlist {
         lang: Language,
         _deobf: Option<&Deobfuscator>,
     ) -> Result<MapResult<Playlist>, ExtractionError> {
-        // TODO: think about a deserializer that deserializes only first list item
+        let (contents, header) = match (self.contents, self.header) {
-        let mut tcbr_contents = self.contents.two_column_browse_results_renderer.contents;
+            (Some(contents), Some(header)) => (contents, header),
+            _ => return Err(response::alerts_to_err(self.alerts)),
+        };
+
+        let mut tcbr_contents = contents.two_column_browse_results_renderer.contents;
         let video_items = some_or_bail!(
             some_or_bail!(
                 some_or_bail!(
@@ -121,11 +125,11 @@ impl MapResponse<Playlist> for response::Playlist {
             }
             None => {
                 let header_banner = some_or_bail!(
-                    self.header.playlist_header_renderer.playlist_header_banner,
+                    header.playlist_header_renderer.playlist_header_banner,
                     Err(ExtractionError::InvalidData("no thumbnail found".into()))
                 );
 
-                let mut byline = self.header.playlist_header_renderer.byline;
+                let mut byline = header.playlist_header_renderer.byline;
                 let last_update_txt = byline
                     .try_swap_remove(1)
                     .map(|b| b.playlist_byline_renderer.text);
@@ -140,14 +144,14 @@ impl MapResponse<Playlist> for response::Playlist {
         let n_videos = match ctoken {
             Some(_) => {
                 ok_or_bail!(
-                    util::parse_numeric(&self.header.playlist_header_renderer.num_videos_text),
+                    util::parse_numeric(&header.playlist_header_renderer.num_videos_text),
                     Err(ExtractionError::InvalidData("no video count".into()))
                 )
             }
             None => videos.len() as u64,
         };
 
-        let playlist_id = self.header.playlist_header_renderer.playlist_id;
+        let playlist_id = header.playlist_header_renderer.playlist_id;
         if playlist_id != id {
             return Err(ExtractionError::WrongResult(format!(
                 "got wrong playlist id {}, expected {}",
@@ -155,10 +159,9 @@ impl MapResponse<Playlist> for response::Playlist {
             )));
         }
 
-        let name = self.header.playlist_header_renderer.title;
+        let name = header.playlist_header_renderer.title;
-        let description = self.header.playlist_header_renderer.description_text;
+        let description = header.playlist_header_renderer.description_text;
-        let channel = self
+        let channel = header
-            .header
             .playlist_header_renderer
             .owner_text
             .and_then(|link| ChannelId::try_from(link).ok());
@@ -193,12 +196,7 @@ impl MapResponse<Paginator<PlaylistVideo>> for response::PlaylistCont {
         _deobf: Option<&Deobfuscator>,
     ) -> Result<MapResult<Paginator<PlaylistVideo>>, ExtractionError> {
         let mut actions = self.on_response_received_actions;
-        let action = some_or_bail!(
+        let action = actions.try_swap_remove(0).ok_or(ExtractionError::Retry)?;
-            actions.try_swap_remove(0),
-            Err(ExtractionError::InvalidData(
-                "no continuation action".into()
-            ))
-        );
 
         let (items, ctoken) =
             map_playlist_items(action.append_continuation_items_action.continuation_items.c);

src/client/response/channel.rs

@@ -1,9 +1,9 @@
 use serde::Deserialize;
 use serde_with::serde_as;
-use serde_with::VecSkipError;
+use serde_with::{DefaultOnError, VecSkipError};
 
-use super::ChannelBadge;
 use super::Thumbnails;
+use super::{Alert, ChannelBadge};
 use super::{ContentRenderer, ContentsRenderer, VideoListItem};
 use crate::serializer::ignore_any;
 use crate::serializer::{text::Text, MapResult, VecLogError};
@@ -12,16 +12,21 @@ use crate::serializer::{text::Text, MapResult, VecLogError};
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Channel {
-    pub header: Header,
+    #[serde_as(as = "DefaultOnError")]
-    pub contents: Contents,
+    pub header: Option<Header>,
-    pub metadata: Metadata,
+    pub contents: Option<Contents>,
-    pub microformat: Microformat,
+    pub metadata: Option<Metadata>,
+    pub microformat: Option<Microformat>,
+    #[serde_as(as = "Option<DefaultOnError>")]
+    pub alerts: Option<Vec<Alert>>,
 }
 
 #[serde_as]
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ChannelCont {
+    #[serde(default)]
+    #[serde_as(as = "VecSkipError<_>")]
     pub on_response_received_actions: Vec<OnResponseReceivedAction>,
 }
 

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},
@@ -313,6 +314,20 @@ pub enum VideoBadgeStyle {
     BadgeStyleTypeLiveNow,
 }
 
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Alert {
+    pub alert_renderer: AlertRenderer,
+}
+
+#[serde_as]
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct AlertRenderer {
+    #[serde_as(as = "Text")]
+    pub text: String,
+}
+
 // YouTube Music
 
 #[serde_as]
@@ -457,3 +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

@@ -5,20 +5,24 @@ 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 contents: Option<Contents>,
-    pub header: Header,
+    pub header: Option<Header>,
     pub sidebar: Option<Sidebar>,
+    #[serde_as(as = "Option<DefaultOnError>")]
+    pub alerts: Option<Vec<Alert>>,
 }
 
 #[serde_as]
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct PlaylistCont {
+    #[serde(default)]
     #[serde_as(as = "VecSkipError<_>")]
     pub on_response_received_actions: Vec<OnResponseReceivedAction>,
 }

src/client/response/search.rs

@@ -25,6 +25,7 @@ pub struct Search {
 pub struct SearchCont {
     #[serde_as(as = "Option<JsonString>")]
     pub estimated_results: Option<u64>,
+    #[serde_as(as = "VecSkipError<_>")]
     pub on_response_received_commands: Vec<SearchContCommand>,
 }
 

src/client/response/video_details.rs

@@ -11,7 +11,8 @@ use crate::serializer::{
 };
 
 use super::{
-    ContinuationEndpoint, ContinuationItemRenderer, Icon, Thumbnails, VideoListItem, VideoOwner,
+    ContinuationEndpoint, ContinuationItemRenderer, Icon, MusicContinuation, Thumbnails,
+    VideoListItem, VideoOwner,
 };
 
 /*
@@ -282,6 +283,8 @@ pub struct RecommendationResults {
     /// Can be `None` for age-restricted videos
     #[serde_as(as = "Option<VecLogError<_>>")]
     pub results: Option<MapResult<Vec<VideoListItem>>>,
+    #[serde_as(as = "Option<VecSkipError<_>>")]
+    pub continuations: Option<Vec<MusicContinuation>>,
 }
 
 /// The engagement panels are displayed below the video and contain chapter markers
@@ -418,9 +421,12 @@ pub struct CommentItemSectionHeaderMenuItem {
 */
 
 /// Video recommendations continuation response
+#[serde_as]
 #[derive(Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct VideoRecommendations {
+    #[serde(default)]
+    #[serde_as(as = "VecSkipError<_>")]
     pub on_response_received_endpoints: Vec<RecommendationsContItem>,
 }
 
@@ -459,8 +465,8 @@ pub struct VideoComments {
     /// - Comment replies: appendContinuationItemsAction
     ///   - n*commentRenderer, continuationItemRenderer:
     ///     replies + continuation
-    #[serde_as(as = "VecLogError<_>")]
+    #[serde_as(as = "Option<VecLogError<_>>")]
-    pub on_response_received_endpoints: MapResult<Vec<CommentsContItem>>,
+    pub on_response_received_endpoints: Option<MapResult<Vec<CommentsContItem>>>,
 }
 
 /// Video comments continuation

src/client/snapshots/rustypipe__client__video_details__tests__map_video_details_20221011_new_continuation.snap

@@ -0,0 +1,783 @@
+---
+source: src/client/video_details.rs
+expression: map_res.c
+---
+VideoDetails(
+  id: "ZeerrnuLi5E",
+  title: "aespa 에스파 \'Black Mamba\' MV",
+  description: RichText([
+    Text("🎧Listen and download aespa\'s debut single \"Black Mamba\": "),
+    Web(
+      text: "https://smarturl.it/aespa_BlackMamba",
+      url: "https://smarturl.it/aespa_BlackMamba",
+    ),
+    Text("\n🐍The Debut Stage "),
+    Video(
+      text: "https://youtu.be/Ky5RT5oGg0w",
+      id: "Ky5RT5oGg0w",
+      start_time: 0,
+    ),
+    Text("\n\n🎟\u{fe0f} aespa Showcase SYNK in LA! Tickets now on sale: "),
+    Web(
+      text: "https://www.ticketmaster.com/event/0A...",
+      url: "https://www.ticketmaster.com/event/0A005CCD9E871F6E",
+    ),
+    Text("\n\nSubscribe to aespa Official YouTube Channel!\n"),
+    Web(
+      text: "https://www.youtube.com/aespa?sub_con...",
+      url: "https://www.youtube.com/aespa?sub_confirmation=1",
+    ),
+    Text("\n\naespa official\n"),
+    Web(
+      text: "https://www.youtube.com/c/aespa",
+      url: "https://www.youtube.com/c/aespa",
+    ),
+    Text("\n"),
+    Web(
+      text: "https://www.instagram.com/aespa_official",
+      url: "https://www.instagram.com/aespa_official",
+    ),
+    Text("\n"),
+    Web(
+      text: "https://www.tiktok.com/@aespa_official",
+      url: "https://www.tiktok.com/@aespa_official",
+    ),
+    Text("\n"),
+    Web(
+      text: "https://twitter.com/aespa_Official",
+      url: "https://twitter.com/aespa_Official",
+    ),
+    Text("\n"),
+    Web(
+      text: "https://www.facebook.com/aespa.official",
+      url: "https://www.facebook.com/aespa.official",
+    ),
+    Text("\n"),
+    Web(
+      text: "https://weibo.com/aespa",
+      url: "https://weibo.com/aespa",
+    ),
+    Text("\n\n"),
+    Text("#aespa"),
+    Text(" "),
+    Text("#æspa"),
+    Text(" "),
+    Text("#BlackMamba"),
+    Text(" "),
+    Text("#블랙맘바"),
+    Text(" "),
+    Text("#에스파"),
+    Text("\naespa 에스파 \'Black Mamba\' MV ℗ SM Entertainment"),
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+        height: 176,
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+    ],
+    verification: verified,
+    subscriber_count: Some(31000000),
+  ),
+  view_count: 234258725,
+  like_count: Some(4027586),
+  publish_date: "[date]",
+  publish_date_txt: "Nov 17, 2020",
+  is_live: false,
+  is_ccommons: false,
+  chapters: [],
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+      RecommendedVideo(
+        id: "tyrVtwE8Gv0",
+        title: "NCT U 엔시티 유 \'Make A Wish (Birthday Song)\' MV",
+        length: Some(249),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/tyrVtwE8Gv0/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLDjumgWjrKFVPhKG0HyX9aEdP203g",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/tyrVtwE8Gv0/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAJDjnvc6ilNrdXRkFjThG28Dph3A",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCEf_Bc-KVd7onSeifS3py9g",
+          name: "SMTOWN",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/_1Z4I2qpWaCN9g3BcDd3cVA9MDHOG43lE1YNWDNkKro49haGxkjwuFK-I8faWTKM6Jle9qb4ag=s68-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: verified,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("1 year ago"),
+        view_count: 256797155,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "gU2HqP4NxUs",
+        title: "BLACKPINK - ‘Pretty Savage’ 1011 SBS Inkigayo",
+        length: Some(208),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/gU2HqP4NxUs/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLD_x0P5jlgH-Xg013D6_0HCVjmpEQ",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/gU2HqP4NxUs/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDriklJAXGJ8a0wuSkNQI3gm_JzCQ",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCOmHUn--16B90oW2L6FRR3A",
+          name: "BLACKPINK",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/hZDUwjoeQqigphL4A1tkg9c6hVp5yXmbboBR7PYFUSFj5PIJSA483NB5v7b0XVoTN9GCku3tqQ=s88-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: artist,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("2 years ago"),
+        view_count: 285625201,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "Ujb-gvqsoi0",
+        title: "Red Velvet - IRENE & SEULGI \'Monster\' MV",
+        length: Some(182),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/Ujb-gvqsoi0/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLBrGO-Gkm-UqCln07oFNKfFgioXYQ",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/Ujb-gvqsoi0/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDeaEGoH8CCM5osz_jfzbKzkPKHuA",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCEf_Bc-KVd7onSeifS3py9g",
+          name: "SMTOWN",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/_1Z4I2qpWaCN9g3BcDd3cVA9MDHOG43lE1YNWDNkKro49haGxkjwuFK-I8faWTKM6Jle9qb4ag=s68-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: verified,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("2 years ago"),
+        view_count: 127297352,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "KhTeiaCezwM",
+        title: "[MV] MAMAMOO (마마무) - HIP",
+        length: Some(211),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/KhTeiaCezwM/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLCMGgSAC2vrBvhW5_JvAG6-DmNv_Q",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/KhTeiaCezwM/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLA_AtcABVzc3_EHCbI_4rX0p5TdPg",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCuhAUMLzJxlP1W7mEk0_6lA",
+          name: "MAMAMOO",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/FuZPj7lIW-I90PfZ3nij90uQCHy-KNdWr7BnDYE3F5Oh3d-2-fFeQYYzY2C3JQKSPUZNlLaTFGQ=s88-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: artist,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("2 years ago"),
+        view_count: 357346135,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "XJDPzNzQ3RE",
+        title: "Run BTS! 2022 Special Episode - Fly BTS Fly Part 1",
+        length: Some(2070),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/XJDPzNzQ3RE/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLDLdeTJMU0EXsKD20_m1oPEHNfJig",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/XJDPzNzQ3RE/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAZE_GkmGdfjdwu47uUcLusBwNuMA",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCLkAepWjdylmXSltofFvsYQ",
+          name: "BANGTANTV",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/NDWZM_aZQZJ81KRMyctZ5WYJbMIeDXLXBbAYfudK9idNpn7jIiamnj4-_3XIvCvKr1fEU7551A=s88-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: artist,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("2 hours ago"),
+        view_count: 748983,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "0lXwMdnpoFQ",
+        title: "aespa 에스파 \'도깨비불 (Illusion)\' Dance Practice",
+        length: Some(210),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/0lXwMdnpoFQ/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLDvTjZu5GC9ZxiNY88whzTOHX-g1Q",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/0lXwMdnpoFQ/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAjumVxAE37gEGnP4ch7VW_V4lyeQ",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UC473RoZQE2gtgZJ61ZW0ZDQ",
+          name: "SMP FLOOR",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/wzxewsUVqXfk0SxKgC-opgrfigqvCXASyD1n_dj59GjYUPa5mgvgml3-dg8JXOfoI1ZZv7OO=s68-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: verified,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("3 months ago"),
+        view_count: 12347702,
+        is_live: false,
+        is_short: false,
+      ),
+      RecommendedVideo(
+        id: "IHNzOHi8sJs",
+        title: "BLACKPINK - ‘뚜두뚜두 (DDU-DU DDU-DU)’ M/V",
+        length: Some(216),
+        thumbnail: [
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/IHNzOHi8sJs/hqdefault.jpg?sqp=-oaymwEbCKgBEF5IVfKriqkDDggBFQAAiEIYAXABwAEG&rs=AOn4CLCzBqBp42z958fkbmx3yCOebx3aaA",
+            width: 168,
+            height: 94,
+          ),
+          Thumbnail(
+            url: "https://i.ytimg.com/vi/IHNzOHi8sJs/hqdefault.jpg?sqp=-oaymwEcCNACELwBSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAP9l6y4EXVpwHC4vfYvI7hVJW9DQ",
+            width: 336,
+            height: 188,
+          ),
+        ],
+        channel: ChannelTag(
+          id: "UCOmHUn--16B90oW2L6FRR3A",
+          name: "BLACKPINK",
+          avatar: [
+            Thumbnail(
+              url: "https://yt3.ggpht.com/hZDUwjoeQqigphL4A1tkg9c6hVp5yXmbboBR7PYFUSFj5PIJSA483NB5v7b0XVoTN9GCku3tqQ=s88-c-k-c0x00ffffff-no-rj",
+              width: 68,
+              height: 68,
+            ),
+          ],
+          verification: artist,
+          subscriber_count: None,
+        ),
+        publish_date: "[date]",
+        publish_date_txt: Some("4 years ago"),
+        view_count: 1964840790,
+        is_live: false,
+        is_short: false,
+      ),
+    ],
+    ctoken: Some("CBQSExILWmVlcnJudUxpNUXAAQHIAQEYACqiDDJzNkw2d3lTQ1FxUENRb0Q4ajRBQ2czQ1Bnb0l1UFdDZ09mWDFmdFlDZ1B5UGdBS0RzSS1Dd2pPcjZhVTlMN2ttdUVCQ2dQeVBnQUtFdEktRHdvTlVrUmFaV1Z5Y201MVRHazFSUW9EOGo0QUNnN0NQZ3NJLU1xaTZ1MlZ3NC01QVFvRDhqNEFDZzNDUGdvSXNZamU0NGJFeGFKUkNnUHlQZ0FLRGNJLUNnaXF4bzYxd01DQ3d6WUtBX0ktQUFvT3dqNExDTmVSckxfYzNNaTEzd0VLQV9JLUFBb053ajRLQ051Ym1ZdVYwb0RuQ0FvRDhqNEFDZzNDUGdvSTE2YTg4NTI1OXNsUkNnUHlQZ0FLRGNJLUNnamJqcXVGb2V1YjB3Z0tBX0ktQUFvTndqNEtDTW4xbEkzbHUtaW1mQW9EOGo0QUNnM0NQZ29JdXFpZTZ0SzRrZUZqQ2dQeVBnQUtEY0ktQ2dqUGdaejB2OC1sNkhRS0FfSS1BQW9Pd2o0TENQMjE4SW53dHJXVnR3RUtBX0ktQUFvT3dqNExDTXVLdF9DUDllR21nUUVLQV9JLUFBb053ajRLQ0szRXN0V3YwTC1iVWdvRDhqNEFDZzNDUGdvSWc1NzdoSnJSdDRvcUNnUHlQZ0FLRGNJLUNnaVJ1c1BtemZtenlGd0tBX0ktQUFvT3dqNExDTlRBcHMtZGh2eXEwZ0VLQV9JLUFBb053ajRLQ0p2aDhzV0g1OXk1SUFvRDhqNEFDaF9TUGh3S0dsSkVRVTk2ZFZaM1JWbDNZMUZFTkhWMmNHZEJUbU5JU0ZWM0NoX1NQaHdLR2xKRVFVOWZjQzFWYmpCSGVUbHVXRlZ0Wm1kaE0xTlNYMXAzQ2hfU1Bod0tHbEpFUVU5cFEwaENhR3R1VTBSd09HcFZWekJPUzFoWU9FMVJDaF9TUGh3S0dsSkVRVTlYWjBsd1lVbDZha1p6UVhkeE5GOXhWR2hyTlROQkNoX1NQaHdLR2xKRVFVOXFNVkpuZEhkZmVtZHJibWxSWkdkTU5XTnlVRmxCQ2hfU1Bod0tHbEpFUVU4NWExbHRhMU5KVG5CVGFYVldTalEzUjNkT1RWSm5DaF9TUGh3S0dsSkVRVTlGYjNOTlVtbHlhM1ZKTjNvNE1tSmZia0oyUjNoQkNoX1NQaHdLR2xKRVFVOW1PRlExTURaUVZGcFVWRmxDWm01RVRVNURiR0ZSQ2hfU1Bod0tHbEpFUVU5UllqSlhRWGxLYTBwMlRURmhaMGRYZEhkRkxVOUJDaF9TUGh3S0dsSkVRVTlNWDFGNk1scFJRbUZNUkROTFExTnFWalpYZG5wM0NoX1NQaHdLR2xKRVFVOXpjeTFGWVdSRFpHZzBUVmxYV0hsMGFtWkpabFYzQ2hfU1Bod0tHbEpFUVU4MVRraFVXblJGV0ROSGJIWlhRMjgyYTJOdGFrdDNDaF9TUGh3S0dsSkVRVTlMWDBjMVRVZzFaM0ZJUTNRd1VXdENZVlZJTjJwUkNoX1NQaHdLR2xKRVFVOVpUWEZhWlV4U1RXMXhaRW8zZGs5b09UQXRhME5CQ2hfU1Bod0tHbEpFUVU4eVNGbEJhMFpIYzBGSmFWVmthRE5NVUhGRE5UZG5FaFVBQWdRR0NBb01EaEFTRkJZWUdod2VJQ0lrSmlnYUJBZ0FFQUVhQkFnQ0VBTWFCQWdFRUFVYUJBZ0dFQWNhQkFnSUVBa2FCQWdLRUFzYUJBZ01FQTBhQkFnT0VBOGFCQWdRRUJFYUJBZ1NFQk1hQkFnVUVCVWFCQWdXRUJjYUJBZ1lFQmthQkFnYUVCc2FCQWdjRUIwYUJBZ2VFQjhhQkFnZ0VDRWFCQWdpRUNNYUJBZ2tFQ1VhQkFnbUVDY2FCQWdvRUNrYUJBZ29FQ29hQkFnb0VDc2FCQWdvRUN3YUJBZ29FQzBhQkFnb0VDNGFCQWdvRUM4YUJBZ29FREFhQkFnb0VERWFCQWdvRURJYUJBZ29FRE1hQkFnb0VEUWFCQWdvRURVYUJBZ29FRFlhQkFnb0VEY3FGUUFDQkFZSUNnd09FQklVRmhnYUhCNGdJaVFtS0FqD3dhdGNoLW5leHQtZmVlZA%3D%3D"),
+  ),
+  top_comments: Paginator(
+    count: Some(705000),
+    items: [],
+    ctoken: Some("Eg0SC1plZXJybnVMaTVFGAYyJSIRIgtaZWVycm51TGk1RTAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D"),
+  ),
+  latest_comments: Paginator(
+    count: Some(705000),
+    items: [],
+    ctoken: Some("Eg0SC1plZXJybnVMaTVFGAYyOCIRIgtaZWVycm51TGk1RTABeAIwAUIhZW5nYWdlbWVudC1wYW5lbC1jb21tZW50cy1zZWN0aW9u"),
+  ),
+)

src/client/video_details.rs

@@ -251,7 +251,7 @@ impl MapResponse<VideoDetails> for response::VideoDetails {
             .secondary_results
             .and_then(|sr| {
                 sr.secondary_results.results.map(|r| {
-                    let mut res = map_recommendations(r, lang);
+                    let mut res = map_recommendations(r, sr.secondary_results.continuations, lang);
                     warnings.append(&mut res.warnings);
                     res.c
                 })
@@ -342,15 +342,11 @@ impl MapResponse<Paginator<RecommendedVideo>> for response::VideoRecommendations
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Paginator<RecommendedVideo>>, ExtractionError> {
         let mut endpoints = self.on_response_received_endpoints;
-        let cont = some_or_bail!(
+        let cont = endpoints.try_swap_remove(0).ok_or(ExtractionError::Retry)?;
-            endpoints.try_swap_remove(0),
-            Err(ExtractionError::InvalidData(
-                "no continuation endpoint".into()
-            ))
-        );
 
         Ok(map_recommendations(
             cont.append_continuation_items_action.continuation_items,
+            None,
             lang,
         ))
     }
@@ -363,57 +359,54 @@ impl MapResponse<Paginator<Comment>> for response::VideoComments {
         lang: Language,
         _deobf: Option<&crate::deobfuscate::Deobfuscator>,
     ) -> Result<MapResult<Paginator<Comment>>, ExtractionError> {
-        let mut warnings = self.on_response_received_endpoints.warnings;
+        let received_endpoints = self
+            .on_response_received_endpoints
+            .ok_or(ExtractionError::Retry)?;
+        let mut warnings = received_endpoints.warnings;
 
         let mut comments = Vec::new();
         let mut comment_count = None;
         let mut ctoken = None;
 
-        self.on_response_received_endpoints
+        received_endpoints.c.into_iter().for_each(|citem| {
-            .c
+            let mut items = citem.append_continuation_items_action.continuation_items;
-            .into_iter()
+            warnings.append(&mut items.warnings);
-            .for_each(|citem| {
+            items.c.into_iter().for_each(|item| match item {
-                let mut items = citem.append_continuation_items_action.continuation_items;
+                response::video_details::CommentListItem::CommentThreadRenderer {
-                warnings.append(&mut items.warnings);
+                    comment,
-                items.c.into_iter().for_each(|item| match item {
+                    replies,
-                    response::video_details::CommentListItem::CommentThreadRenderer {
+                    rendering_priority,
-                        comment,
+                } => {
-                        replies,
+                    let mut res = map_comment(
+                        comment.comment_renderer,
+                        Some(replies),
                         rendering_priority,
-                    } => {
+                        lang,
-                        let mut res = map_comment(
+                    );
-                            comment.comment_renderer,
+                    comments.push(res.c);
-                            Some(replies),
+                    warnings.append(&mut res.warnings)
-                            rendering_priority,
+                }
-                            lang,
+                response::video_details::CommentListItem::CommentRenderer(comment) => {
-                        );
+                    let mut res = map_comment(
-                        comments.push(res.c);
+                        comment,
-                        warnings.append(&mut res.warnings)
+                        None,
-                    }
+                        response::video_details::CommentPriority::RenderingPriorityUnknown,
-                    response::video_details::CommentListItem::CommentRenderer(comment) => {
+                        lang,
-                        let mut res = map_comment(
+                    );
-                            comment,
+                    comments.push(res.c);
-                            None,
+                    warnings.append(&mut res.warnings)
-                            response::video_details::CommentPriority::RenderingPriorityUnknown,
+                }
-                            lang,
+                response::video_details::CommentListItem::ContinuationItemRenderer {
-                        );
+                    continuation_endpoint,
-                        comments.push(res.c);
+                } => {
-                        warnings.append(&mut res.warnings)
+                    ctoken = Some(continuation_endpoint.continuation_command.token);
-                    }
+                }
-                    response::video_details::CommentListItem::ContinuationItemRenderer {
+                response::video_details::CommentListItem::CommentsHeaderRenderer { count_text } => {
-                        continuation_endpoint,
+                    comment_count = count_text
-                    } => {
+                        .and_then(|txt| util::parse_numeric_or_warn::<u64>(&txt, &mut warnings));
-                        ctoken = Some(continuation_endpoint.continuation_command.token);
+                }
-                    }
-                    response::video_details::CommentListItem::CommentsHeaderRenderer {
-                        count_text,
-                    } => {
-                        comment_count = count_text.and_then(|txt| {
-                            util::parse_numeric_or_warn::<u64>(&txt, &mut warnings)
-                        });
-                    }
-                });
             });
+        });
 
         Ok(MapResult {
             c: Paginator::new(comment_count, comments, ctoken),
@@ -424,6 +417,7 @@ impl MapResponse<Paginator<Comment>> for response::VideoComments {
 
 fn map_recommendations(
     r: MapResult<Vec<response::VideoListItem>>,
+    continuations: Option<Vec<response::MusicContinuation>>,
     lang: Language,
 ) -> MapResult<Paginator<RecommendedVideo>> {
     let mut warnings = r.warnings;
@@ -475,6 +469,12 @@ fn map_recommendations(
             })
             .collect::<Vec<_>>();
 
+    if let Some(continuations) = continuations {
+        continuations.into_iter().for_each(|c| {
+            ctoken = Some(c.next_continuation_data.continuation);
+        })
+    };
+
     MapResult {
         c: Paginator::new(None, items, ctoken),
         warnings,
@@ -584,8 +584,9 @@ mod tests {
     #[case::chapters("chapters", "nFDBxBUfE74")]
     #[case::live("live", "86YLFOog4GM")]
     #[case::agegate("agegate", "HRKu0cvrr_o")]
-    #[case::newdesc("newdesc", "ZeerrnuLi5E")]
+    #[case::newdesc("20220924_newdesc", "ZeerrnuLi5E")]
-    fn t_map_video_details(#[case] name: &str, #[case] id: &str) {
+    #[case::new_cont("20221011_new_continuation", "ZeerrnuLi5E")]
+    fn map_video_details(#[case] name: &str, #[case] id: &str) {
         let filename = format!("testfiles/video_details/video_details_{}.json", name);
         let json_path = Path::new(&filename);
         let json_file = File::open(json_path).unwrap();
@@ -626,10 +627,25 @@ mod tests {
         });
     }
 
+    #[test]
+    fn map_recommendations_empty() {
+        let filename = format!("testfiles/video_details/recommendations_empty.json");
+        let json_path = Path::new(&filename);
+        let json_file = File::open(json_path).unwrap();
+
+        let recommendations: response::VideoRecommendations =
+            serde_json::from_reader(BufReader::new(json_file)).unwrap();
+        let err = recommendations
+            .map_response("", Language::En, None)
+            .unwrap_err();
+
+        assert!(matches!(err, crate::error::ExtractionError::Retry));
+    }
+
     #[rstest]
     #[case::top("top")]
     #[case::latest("latest")]
-    fn t_map_comments(#[case] name: &str) {
+    fn map_comments(#[case] name: &str) {
         let filename = format!("testfiles/video_details/comments_{}.json", name);
         let json_path = Path::new(&filename);
         let json_file = File::open(json_path).unwrap();

src/error.rs

@@ -75,6 +75,10 @@ pub enum ExtractionError {
     VideoUnavailable(&'static str, String),
     #[error("Video is age restricted")]
     VideoAgeRestricted,
+    #[error("Content is not available. Reason (from YT): {0}")]
+    ContentUnavailable(String),
+    #[error("Got no data from YouTube")]
+    NoData,
     #[error("deserialization error: {0}")]
     Deserialization(#[from] serde_json::Error),
     #[error("got invalid data from YT: {0}")]
@@ -83,6 +87,8 @@ pub enum ExtractionError {
     WrongResult(String),
     #[error("Warnings during deserialization/mapping")]
     DeserializationWarnings,
+    #[error("Got no data from YouTube, attempt retry")]
+    Retry,
 }
 
 /// Internal error

testfiles/video_details/recommendations_empty.json

@@ -0,0 +1,94 @@
+{
+  "responseContext": {
+    "visitorData": "CgthSmp5T24zQkRjTSiom5WaBg%3D%3D",
+    "serviceTrackingParams": [
+      {
+        "service": "CSI",
+        "params": [
+          {
+            "key": "c",
+            "value": "WEB"
+          },
+          {
+            "key": "cver",
+            "value": "2.20221006.09.00"
+          },
+          {
+            "key": "yt_li",
+            "value": "0"
+          },
+          {
+            "key": "GetWatchNext_rid",
+            "value": "0x8836d1dc393da349"
+          }
+        ]
+      },
+      {
+        "service": "GFEEDBACK",
+        "params": [
+          {
+            "key": "logged_in",
+            "value": "0"
+          },
+          {
+            "key": "e",
+            "value": "1714258,23804281,23882503,23885487,23918597,23934970,23940248,23946420,23966208,23983296,23986022,23998056,24001373,24002022,24002025,24004644,24007246,24034168,24036948,24077241,24080738,24108448,24120820,24135310,24140247,24152443,24161116,24162920,24164186,24166867,24169501,24181174,24185614,24187043,24187377,24191629,24197450,24199724,24199774,24211178,24217535,24219713,24223903,24224266,24225483,24226335,24227844,24228638,24229161,24241378,24243988,24248092,24248385,24254502,24255543,24255545,24256985,24259938,24260783,24262346,24263796,24265820,24267564,24267570,24268142,24268812,24268870,24278546,24278596,24279196,24279628,24279727,24280997,24281835,24282957,24283093,24283280,24286003,24286019,24287326,24287795,24288045,24289478,24289901,24289939,24290131,24290276,24290971,24292296,24295099,24295740,24297099,24298640,24298651,24298795,24299688,24299747,24390674,24391537,24392058,24392269,24394618,24590921,39322278,39322399,39322505"
+          }
+        ]
+      },
+      {
+        "service": "GUIDED_HELP",
+        "params": [
+          {
+            "key": "logged_in",
+            "value": "0"
+          }
+        ]
+      },
+      {
+        "service": "ECATCHER",
+        "params": [
+          {
+            "key": "client.version",
+            "value": "2.20221006"
+          },
+          {
+            "key": "client.name",
+            "value": "WEB"
+          },
+          {
+            "key": "client.fexp",
+            "value": "24286003,24298795,24256985,23804281,24001373,23946420,24283280,24289478,24223903,24298651,24286019,23885487,24077241,24265820,23918597,24255545,24036948,24259938,24279196,24199774,24282957,24279628,24268812,24169501,24225483,24590921,24197450,24298640,39322399,24290971,24108448,24287326,24219713,24278596,24002022,24181174,24227844,24287795,24229161,24283093,24162920,24248092,24241378,24166867,24002025,24280997,24391537,24278546,24288045,24034168,24290131,24211178,24289901,24226335,24268870,24295099,24135310,24191629,24394618,24007246,24004644,24243988,24281835,24392058,23998056,24185614,24262346,24187043,24224266,23986022,24228638,23934970,39322278,24292296,24260783,23940248,24263796,24267564,24299688,24390674,24152443,23966208,24267570,24080738,24290276,24217535,23882503,24279727,24164186,24289939,24187377,24268142,24120820,24199724,39322505,24392269,24254502,24255543,24299747,24161116,24140247,1714258,24297099,23983296,24295740,24248385"
+          }
+        ]
+      }
+    ],
+    "mainAppWebResponseContext": {
+      "loggedOut": true
+    },
+    "webResponseContextExtensionData": {
+      "hasDecorated": true
+    }
+  },
+  "trackingParams": "CAAQg2ciEwjfruPhg9j6AhXW2BEIHd9wAwc=",
+  "engagementPanels": [
+    {
+      "engagementPanelSectionListRenderer": {
+        "content": {
+          "adsEngagementPanelContentRenderer": {
+            "hack": true
+          }
+        },
+        "targetId": "engagement-panel-ads",
+        "visibility": "ENGAGEMENT_PANEL_VISIBILITY_HIDDEN",
+        "loggingDirectives": {
+          "trackingParams": "CAEQ040EGAAiEwjfruPhg9j6AhXW2BEIHd9wAwc=",
+          "visibility": {
+            "types": "12"
+          },
+          "enableDisplayloggerExperiment": true
+        }
+      }
+    }
+  ]
+}

tests/youtube.rs

@@ -2,6 +2,7 @@ use chrono::{Datelike, Timelike};
 use rstest::rstest;
 
 use rustypipe::client::{ClientType, RustyPipe};
+use rustypipe::error::{Error, ExtractionError};
 use rustypipe::model::richtext::ToPlaintext;
 use rustypipe::model::{
     AudioCodec, AudioFormat, Channel, SearchItem, Verification, VideoCodec, VideoFormat,
@@ -18,7 +19,7 @@ use rustypipe::param::{
 #[case::tv_html5_embed(ClientType::TvHtml5Embed)]
 #[case::android(ClientType::Android)]
 #[case::ios(ClientType::Ios)]
-#[test_log::test(tokio::test)]
+#[tokio::test]
 async fn get_player(#[case] client_type: ClientType) {
     let rp = RustyPipe::builder().strict().build();
     let player_data = rp.query().player("n4tK7LYFxI0", client_type).await.unwrap();
@@ -178,7 +179,7 @@ async fn get_playlist(
     assert!(!playlist.thumbnail.is_empty());
 }
 
-#[test_log::test(tokio::test)]
+#[tokio::test]
 async fn playlist_cont() {
     let rp = RustyPipe::builder().strict().build();
     let mut playlist = rp
@@ -196,7 +197,7 @@ async fn playlist_cont() {
     assert!(playlist.videos.count.unwrap() > 100);
 }
 
-#[test_log::test(tokio::test)]
+#[tokio::test]
 async fn playlist_cont2() {
     let rp = RustyPipe::builder().strict().build();
     let mut playlist = rp
@@ -210,6 +211,21 @@ async fn playlist_cont2() {
     assert!(playlist.videos.count.unwrap() > 100);
 }
 
+#[tokio::test]
+async fn playlist_not_found() {
+    let rp = RustyPipe::builder().strict().build();
+    let err = rp
+        .query()
+        .playlist("PLbZIPy20-1pN7mqjckepWF78ndb6ci_qz")
+        .await
+        .unwrap_err();
+
+    assert!(matches!(
+        err,
+        Error::Extraction(ExtractionError::ContentUnavailable(_))
+    ));
+}
+
 //#VIDEO DETAILS
 
 #[tokio::test]
@@ -310,7 +326,6 @@ async fn get_video_details_music() {
     assert!(!details.is_live);
     assert!(!details.is_ccommons);
 
-    assert!(!details.recommended.items.is_empty());
     assert!(!details.recommended.is_exhausted());
 
     // Comments are disabled for this video
@@ -368,7 +383,6 @@ async fn get_video_details_ccommons() {
     assert!(!details.is_live);
     assert!(details.is_ccommons);
 
-    assert!(!details.recommended.items.is_empty());
     assert!(!details.recommended.is_exhausted());
 
     assert!(
@@ -505,7 +519,6 @@ async fn get_video_details_chapters() {
         ]
         "###);
 
-    assert!(!details.recommended.items.is_empty());
     assert!(!details.recommended.is_exhausted());
 
     assert!(
@@ -565,7 +578,6 @@ async fn get_video_details_live() {
     assert!(details.is_live);
     assert!(!details.is_ccommons);
 
-    assert!(!details.recommended.items.is_empty());
     assert!(!details.recommended.is_exhausted());
 
     // No comments because livestream
@@ -857,6 +869,24 @@ async fn channel_more(
     assert_channel(&channel_info, id, name);
 }
 
+#[rstest]
+#[case::gaming("UCOpNcN46UbXVtpKMrmU4Abg", false)]
+#[case::not_found("UCOpNcN46UbXVtpKMrmU4Abx", true)]
+#[tokio::test]
+async fn channel_error(#[case] id: &str, #[case] not_found: bool) {
+    let rp = RustyPipe::builder().strict().build();
+    let err = rp.query().channel_videos(&id).await.unwrap_err();
+
+    if not_found {
+        assert!(matches!(
+            err,
+            Error::Extraction(ExtractionError::ContentUnavailable(_))
+        ));
+    } else {
+        assert!(matches!(err, Error::Extraction(ExtractionError::NoData)));
+    }
+}
+
 //#CHANNEL_RSS
 
 #[tokio::test]