Reordered functions in model.Playlists

app/model.py

@@ -166,6 +166,64 @@ class Playlists(Base):
     def __repr__(self):
         return (f"<Playlist(id={self.id}, name={self.name}>")
 
+    def add_track(self, session, track, row=None):
+        """
+        Add track to playlist at given row.
+        If row=None, add to end of playlist
+        """
+
+        if not row:
+            row = PlaylistTracks.new_row(session, self.id)
+
+        glue = PlaylistTracks(row=row)
+        glue.track_id = track.id
+        self.tracks.append(glue)
+        session.commit()
+
+    def close(self, session):
+        "Record playlist as no longer loaded"
+
+        self.loaded = False
+        session.add(self)
+        session.commit()
+
+    @staticmethod
+    def get_all_closed_playlists(session):
+        "Returns a list of all playlists not currently open"
+
+        return (
+            session.query(Playlists)
+            .filter(
+                (Playlists.loaded == False) |  # noqa E712
+                (Playlists.loaded == None)
+            )
+            .order_by(Playlists.last_used.desc())
+        ).all()
+
+    @staticmethod
+    def get_all_playlists(session):
+        "Returns a list of all playlists"
+
+        return session.query(Playlists).all()
+
+    @staticmethod
+    def get_last_used(session):
+        """
+        Return a list of playlists marked "loaded", ordered by loaded date.
+        """
+
+        return (
+            session.query(Playlists)
+            .filter(Playlists.loaded == True)   # noqa E712
+            .order_by(Playlists.last_used.desc())
+        ).all()
+
+    def get_notes(self):
+        return [a.note for a in self.notes]
+
+    def get_tracks(self):
+        return [a.tracks for a in self.tracks]
+
     @staticmethod
     def new(session, name):
         DEBUG(f"Playlists.new(name={name})")
@@ -186,77 +244,6 @@ class Playlists(Base):
 
         return p
 
-    def close(self, session):
-        "Record playlist as no longer loaded"
-
-        self.loaded = False
-        session.add(self)
-        session.commit()
-
-    @staticmethod
-    def get_last_used(session):
-        """
-        Return a list of playlists marked "loaded", ordered by loaded date.
-        """
-
-        return (
-            session.query(Playlists)
-            .filter(Playlists.loaded == True)   # noqa E712
-            .order_by(Playlists.last_used.desc())
-        ).all()
-
-    @staticmethod
-    def get_all_playlists(session):
-        "Returns a list of all playlists"
-
-        return session.query(Playlists).all()
-
-    @staticmethod
-    def get_all_closed_playlists(session):
-        "Returns a list of all playlists not currently open"
-
-        return (
-            session.query(Playlists)
-            .filter(
-                (Playlists.loaded == False) |  # noqa E712
-                (Playlists.loaded == None)
-            )
-            .order_by(Playlists.last_used.desc())
-        ).all()
-
-    # Not currently used 1 June 2021
-    # @staticmethod
-    # def get_name(session, plid):
-    #     """
-    #     Return name of playlist with id 'plid'
-    #     """
-
-    #     return (
-    #         session.query(Playlists.name)
-    #         .filter(Playlists.id == plid)
-    #     ).one()[0]
-
-    def add_track(self, session, track, row=None):
-        """
-        Add track to playlist at given row.
-        If row=None, add to end of playlist
-        """
-
-        if not row:
-            row = PlaylistTracks.new_row(session, self.id)
-
-        glue = PlaylistTracks(row=row)
-        glue.track_id = track.id
-        self.tracks.append(glue)
-        session.commit()
-
-    def get_notes(self):
-        return [a.note for a in self.notes]
-
-    def get_tracks(self):
-        return [a.tracks for a in self.tracks]
-
-
 class PlaylistTracks(Base):
     __tablename__ = 'playlisttracks'
 
@@ -267,13 +254,6 @@ class PlaylistTracks(Base):
     tracks = relationship("Tracks", back_populates="playlists")
     playlists = relationship("Playlists", back_populates="tracks")
 
-    @staticmethod
-    def new_row(session, playlist_id):
-        "Return row number > largest existing row number"
-
-        last_row = session.query(func.max(PlaylistTracks.row)).one()[0]
-        return last_row + 1
-
     @staticmethod
     def add_track(session, playlist_id, track_id, row):
         DEBUG(