feat(PlaylistManager): add .setName() and .setDescription() functions for editing playlists (#498)

docs/API/playlist.md

@@ -10,6 +10,8 @@ Playlist management class.
   * [.addVideos(playlist_id, video_ids)](#addvideos) 
   * [.removeVideos(playlist_id, video_ids)](#removevideos) 
   * [.moveVideo(playlist_id, moved_video_id, predecessor_video_id)](#movevideo) 
+  * [.setName(playlist_id, name)](#setname) 
+  * [.setDescription(playlist_id, description)](#setdescription) 
 
 <a name="create"></a>
 ### create(title, video_ids)
@@ -69,4 +71,29 @@ Moves a video to a new position within a given playlist.
 | --- | --- | --- |
 | playlist_id | `string` | Playlist id |
 | moved_video_id | `string` | the video to be moved |
-| predecessor_video_id | `string` | the video present in the target position |
+| predecessor_video_id | `string` | the video present in the target position |
+
+<a name="setname"></a>
+### setName(playlist_id, name)
+
+Sets the name / title for the given playlist.
+
+**Returns:** `Promise.<ApiResponse>`
+
+| Param | Type | Description |
+| --- | --- | --- |
+| playlist_id | `string` | Playlist id |
+| name | `string` | Name / title |
+
+
+<a name="setdescription"></a>
+### setDescription(playlist_id, description)
+
+Sets the description for the given playlist.
+
+**Returns:** `Promise.<ApiResponse>`
+
+| Param | Type | Description |
+| --- | --- | --- |
+| playlist_id | `string` | Playlist id |
+| description | `string` | Description |

src/core/endpoints/browse/EditPlaylistEndpoint.ts

@@ -15,7 +15,9 @@ export function build(opts: EditPlaylistEndpointOptions): IEditPlaylistRequest {
       ...{
         addedVideoId: action.added_video_id,
         setVideoId: action.set_video_id,
-        movedSetVideoIdPredecessor: action.moved_set_video_id_predecessor
+        movedSetVideoIdPredecessor: action.moved_set_video_id_predecessor,
+        playlistDescription: action.playlist_description,
+        playlistName: action.playlist_name
       }
     }))
   };

src/core/managers/PlaylistManager.ts

@@ -200,4 +200,60 @@ export default class PlaylistManager {
       action_result: response.data.actions // TODO: implement actions in the parser
     };
   }
-}
+
+  /**
+   * Sets the name (title) for the given playlist.
+   * @param playlist_id - The playlist ID.
+   * @param name - The name / title to use for the playlist.
+   */
+  async setName(playlist_id: string, name: string): Promise<{ playlist_id: string; action_result: any; }> {
+    throwIfMissing({ playlist_id, name });
+
+    if (!this.#actions.session.logged_in)
+      throw new InnertubeError('You must be signed in to perform this operation.');
+
+    const payload: EditPlaylistEndpointOptions = { playlist_id, actions: [] };
+
+    payload.actions.push({
+      action: 'ACTION_SET_PLAYLIST_NAME',
+      playlist_name: name
+    });
+
+    const response = await this.#actions.execute(
+      EditPlaylistEndpoint.PATH, EditPlaylistEndpoint.build(payload)
+    );
+
+    return {
+      playlist_id,
+      action_result: response.data.actions
+    };
+  }
+
+  /**
+   * Sets the description for the given playlist.
+   * @param playlist_id - The playlist ID.
+   * @param description - The description to use for the playlist.
+   */
+  async setDescription(playlist_id: string, description: string): Promise<{ playlist_id: string; action_result: any; }> {
+    throwIfMissing({ playlist_id, description });
+
+    if (!this.#actions.session.logged_in)
+      throw new InnertubeError('You must be signed in to perform this operation.');
+
+    const payload: EditPlaylistEndpointOptions = { playlist_id, actions: [] };
+
+    payload.actions.push({
+      action: 'ACTION_SET_PLAYLIST_DESCRIPTION',
+      playlist_description: description
+    });
+
+    const response = await this.#actions.execute(
+      EditPlaylistEndpoint.PATH, EditPlaylistEndpoint.build(payload)
+    );
+
+    return {
+      playlist_id,
+      action_result: response.data.actions
+    };
+  }
+}

src/types/Endpoints.ts

@@ -334,18 +334,22 @@ export type EditPlaylistEndpointOptions = {
    * The changes to make to the playlist.
    */
   actions: {
-    action: 'ACTION_ADD_VIDEO' | 'ACTION_REMOVE_VIDEO' | 'ACTION_MOVE_VIDEO_AFTER';
+    action: 'ACTION_ADD_VIDEO' | 'ACTION_REMOVE_VIDEO' | 'ACTION_MOVE_VIDEO_AFTER' | 'ACTION_SET_PLAYLIST_DESCRIPTION' | 'ACTION_SET_PLAYLIST_NAME';
     added_video_id?: string;
     set_video_id?: string;
     moved_set_video_id_predecessor?: string;
+    playlist_description?: string;
+    playlist_name?: string;
   }[];
 }
 
 export interface IEditPlaylistRequest extends ObjectSnakeToCamel<EditPlaylistEndpointOptions> {
   actions: {
-    action: 'ACTION_ADD_VIDEO' | 'ACTION_REMOVE_VIDEO' | 'ACTION_MOVE_VIDEO_AFTER';
+    action: 'ACTION_ADD_VIDEO' | 'ACTION_REMOVE_VIDEO' | 'ACTION_MOVE_VIDEO_AFTER' | 'ACTION_SET_PLAYLIST_DESCRIPTION' | 'ACTION_SET_PLAYLIST_NAME';
     addedVideoId?: string;
     setVideoId?: string;
     movedSetVideoIdPredecessor?: string;
+    playlistDescription?: string;
+    playlistName?: string;
   }[];
 }