Improve artist search

Replicate recent changes in title search to artist search

app/models.py

@@ -704,13 +704,23 @@ class Tracks(Base):
 
     @classmethod
     def search_artists(cls, session: scoped_session, text: str) -> List["Tracks"]:
-        """Search case-insenstively for artists containing str"""
+        """
+        Search case-insenstively for artists containing str
+
+        The query performs an outer join with 'joinedload' to populate the results
+        from the Playdates table at the same time. unique() needed; see
+        https://docs.sqlalchemy.org/en/20/orm/queryguide/relationships.html#joined-eager-loading
+        """
 
         return (
             session.execute(
-                select(cls).where(cls.artist.ilike(f"%{text}%")).order_by(cls.title)
+                select(cls)
+                .options(joinedload(Tracks.playdates))
+                .where(cls.artist.ilike(f"%{text}%"))
+                .order_by(cls.title)
             )
             .scalars()
+            .unique()
             .all()
         )
 

app/musicmuster.py

@@ -1953,7 +1953,7 @@ class DbDialog(QDialog):
             if self.ui.radioTitle.isChecked():
                 matches = Tracks.search_titles(self.session, "%" + s)
             else:
-                matches = Tracks.search_artists(self.session, s)
+                matches = Tracks.search_artists(self.session, "%" + s)
             if matches:
                 for track in matches:
                     last_played = None