Hover previous track to see list

Fixes #205

app/models.py

@@ -161,6 +161,19 @@ class Playdates(dbtables.PlaydatesTable):
             # last_played value
             return Config.EPOCH  # pragma: no cover
 
+    @staticmethod
+    def last_played_tracks(session: Session, limit=5) -> Sequence["Playdates"]:
+        """
+        Return a list of the last limit tracks played, sorted
+        earliest to latest.
+        """
+
+        return session.scalars(
+            Playdates.select()
+            .order_by(Playdates.lastplayed.desc())
+            .limit(limit)
+        ).all()
+
     @staticmethod
     def played_after(session: Session, since: dt.datetime) -> Sequence["Playdates"]:
         """Return a list of Playdates objects since passed time"""

app/musicmuster.py

@@ -1178,6 +1178,15 @@ class Window(QMainWindow, Ui_MainWindow):
         # Update headers
         log.debug("update headers")
         self.update_headers()
+        with db.Session() as session:
+            last_played = Playdates.last_played_tracks(session)
+            tracklist = []
+            for lp in last_played:
+                track = session.get(Tracks, lp.track_id)
+                tracklist.append(f"{track.title} ({track.artist})")
+            tt = "<br>".join(reversed(tracklist))
+
+        self.hdrPreviousTrack.setToolTip(tt)
 
     def preview(self) -> None:
         """