feat: add playlist extraction

- replace original base.js with dummy

src/client/response/playlist.rs

@@ -2,21 +2,21 @@ use serde::Deserialize;
 use serde_with::serde_as;
 use serde_with::{json::JsonString, DefaultOnError, VecSkipError};
 
-use crate::serializer::text::TextLink;
+use crate::serializer::text::{Text, TextLink};
 
-use super::{MusicItem, Thumbnails};
+use super::{ContentRenderer, ContentsRenderer, ContinuationEndpoint, Thumbnails, ThumbnailsWrap};
 
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Playlist {
     pub contents: Contents,
     pub header: Header,
+    pub sidebar: Sidebar,
 }
 
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Contents {
-    #[serde(alias = "singleColumnBrowseResultsRenderer")]
     pub two_column_browse_results_renderer: ContentsRenderer<Tab>,
 }
 
@@ -35,26 +35,35 @@ pub struct SectionList {
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ItemSection {
-    pub item_section_renderer: Option<ContentsRenderer<PlaylistVideoList>>,
-    pub music_playlist_shelf_renderer: Option<ContentsRenderer<PlaylistMusicItem>>,
+    pub item_section_renderer: ContentsRenderer<PlaylistVideoListRenderer>,
 }
 
+#[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PlaylistVideoListRenderer {
+    pub playlist_video_list_renderer: PlaylistVideoList,
+}
+
+#[serde_as]
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct PlaylistVideoList {
-    pub playlist_video_list_renderer: ContentsRenderer<PlaylistVideoItem>,
+    #[serde_as(as = "VecSkipError<_>")]
+    pub contents: Vec<PlaylistVideoItem>,
 }
 
+#[serde_as]
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct PlaylistVideoItem {
-    pub playlist_video_renderer: PlaylistVideo,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-pub struct PlaylistMusicItem {
-    pub music_responsive_list_item_renderer: MusicItem,
+pub enum PlaylistVideoItem {
+    PlaylistVideoRenderer {
+        #[serde(flatten)]
+        video: PlaylistVideo,
+    },
+    #[serde(rename_all = "camelCase")]
+    ContinuationItemRenderer {
+        continuation_endpoint: ContinuationEndpoint,
+    },
 }
 
 #[serde_as]
@@ -76,7 +85,6 @@ pub struct PlaylistVideo {
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Header {
-    #[serde(alias = "musicDetailHeaderRenderer")]
     pub playlist_header_renderer: HeaderRenderer,
 }
 
@@ -84,22 +92,63 @@ pub struct Header {
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct HeaderRenderer {
-    pub playlist_id: Option<String>,
+    pub playlist_id: String,
     #[serde_as(as = "crate::serializer::text::Text")]
     pub title: String,
-    #[serde_as(as = "Option<crate::serializer::text::Text>")]
-    pub description: Option<String>,
+    #[serde(default)]
+    #[serde_as(as = "DefaultOnError<Option<crate::serializer::text::Text>>")]
+    pub description_text: Option<String>,
+    /// `"495", " videos"`
+    pub num_videos_text: Text,
 }
 
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct ContentRenderer<T> {
-    pub content: T,
+pub struct Sidebar {
+    pub playlist_sidebar_renderer: SidebarRenderer,
+}
+
+#[serde_as]
+#[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct SidebarRenderer {
+    #[serde_as(as = "VecSkipError<_>")]
+    pub items: Vec<SidebarRendererItem>,
 }
 
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct ContentsRenderer<T> {
-    #[serde(alias = "tabs")]
-    pub contents: Vec<T>,
+pub enum SidebarRendererItem {
+    #[serde(rename_all = "camelCase")]
+    PlaylistSidebarPrimaryInfoRenderer {
+        thumbnail_renderer: PlaylistThumbnailRenderer,
+        // - `"495", " videos"`
+        // - `"3,310,996 views"`
+        // - `"Last updated on ", "Aug 7, 2022"`
+        // stats: Vec<Text>,
+    },
+    #[serde(rename_all = "camelCase")]
+    PlaylistSidebarSecondaryInfoRenderer { video_owner: VideoOwnerWrap },
+}
+
+#[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct PlaylistThumbnailRenderer {
+    // the alternative field name is used by YTM playlists
+    #[serde(alias = "playlistCustomThumbnailRenderer")]
+    pub playlist_video_thumbnail_renderer: ThumbnailsWrap,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct VideoOwnerWrap {
+    pub video_owner_renderer: VideoOwner,
+}
+
+#[serde_as]
+#[derive(Clone, Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct VideoOwner {
+    #[serde_as(as = "crate::serializer::text::TextLink")]
+    pub title: TextLink,
 }