fix #41 improve token expiry

src/lib/server/playlist/oauthPlaylistAdder.ts

@@ -98,12 +98,22 @@ export abstract class OauthPlaylistAdder {
   protected async shouldRefreshToken(): Promise<{ token: OauthResponse; refresh: boolean } | null> {
     const token = await this.auth();
     if (token == null || !token?.expires) {
+      this.logger.warn('Cannot check if token should be refreshed. Token expiry is unreadablle');
       return null;
     }
-    let refreshAt = new Date();
+    if (token.error) {
+      this.logger.error('Access token is invalid, should refresh');
+      return {
+        token: token,
+        refresh: true
+      };
+    }
+    let refreshAt = new Date(token.expires);
+    // Refresh token this.refresh_time minutes before it expires
     refreshAt.setTime(refreshAt.getTime() - this.refresh_time * 60 * 1000);
-    this.logger.info('token expiry', token.expires, 'vs refresh @', refreshAt);
-    if (token.expires.getTime() > refreshAt.getTime()) {
+
+    this.logger.info('refresh @', refreshAt, 'token expires', token.expires);
+    if (refreshAt.getTime() > new Date().getTime()) {
       return {
         token: token,
         refresh: false
@@ -114,7 +124,7 @@ export abstract class OauthPlaylistAdder {
       'Token expires',
       token.expires,
       token.expires.getTime(),
-      `which is after the refresh time`,
+      `so it should be refreshed before or at`,
       refreshAt,
       refreshAt.getTime()
     );

src/lib/server/playlist/ytPlaylistAdder.ts

@@ -78,7 +78,9 @@ export class YoutubePlaylistAdder extends OauthPlaylistAdder implements Playlist
     );
   }
 
-  public async addToPlaylist(song: SongInfo) {}
+  public async addToPlaylist(song: SongInfo) {
+    await this.addToPlaylistRetry(song);
+  }
 
   private async addToPlaylistRetry(song: SongInfo, remaning: number = 3) {
     if (remaning < 0) {