Desacoblar playlists de sessions i afegir slow jams

scripts/05_migrate_playlists.py

@@ -0,0 +1,57 @@
+from folkugat_web.dal.sql import get_connection
+from folkugat_web.dal.sql.playlists import write as playlists_w
+from folkugat_web.dal.sql.playlists.ddl import (create_playlist_entries_table,
+                                                create_playlists_table)
+from folkugat_web.dal.sql.sessions import playlists as session_playlists
+from folkugat_web.dal.sql.sessions import query as sessions_q
+from folkugat_web.dal.sql.sessions.ddl import create_session_playlists_table
+from folkugat_web.model.playlists import PlaylistType
+
+with get_connection() as con:
+    cur = con.cursor()
+
+    drop_query = """DROP TABLE rehearse_data"""
+    _ = cur.execute(drop_query)
+
+    alter_query = """ALTER TABLE playlists RENAME TO playlists_old"""
+    _ = cur.execute(alter_query)
+
+    # Create new tables
+    create_playlist_entries_table(con=con)
+    create_playlists_table(con=con)
+    create_session_playlists_table(con=con)
+
+    # Create new playlists
+    sessions = sessions_q.get_sessions(con=con)
+    for session in sessions:
+        if session.id is None:
+            raise ValueError("Session without id!")
+
+        setlist_id = playlists_w.create_playlist(con=con)
+        session_playlists.insert_playlist(
+            session_id=session.id,
+            playlist_type=PlaylistType.SESSION_SETLIST,
+            playlist_id=setlist_id,
+            con=con,
+        )
+
+        slowjam_id = playlists_w.create_playlist(con=con)
+        session_playlists.insert_playlist(
+            session_id=session.id,
+            playlist_type=PlaylistType.SESSION_SLOWJAM,
+            playlist_id=slowjam_id,
+            con=con,
+        )
+
+    # Migrate
+    migrate_query = """
+        INSERT INTO playlist_entries
+          (id, playlist_id, set_id, tema_id)
+        SELECT
+          NULL, sp.playlist_id, pl_old.set_id, pl_old.tema_id
+        FROM playlists_old pl_old JOIN session_playlists sp USING (session_id)
+        WHERE sp.playlist_type = "session_setlist"
+    """
+    _ = cur.execute(migrate_query)
+
+print("DONE!")