Crea i esborra playlists quan es creen i esborren sessions

folkugat_web/services/sessions.py

@@ -4,6 +4,7 @@ from datetime import date as Date
 
 from folkugat_web.config import date as config
 from folkugat_web.dal.sql import Connection, get_connection
+from folkugat_web.dal.sql.playlists import write as playlists_write
 from folkugat_web.dal.sql.sessions import playlists as session_playlists
 from folkugat_web.dal.sql.sessions import query, write
 from folkugat_web.model import sessions as model
@@ -66,7 +67,10 @@ def get_session(session_id: int) -> model.Session | None:
 
 
 def insert_session(session: model.Session):
-    return write.insert_session(session)
+    created_session = write.insert_session(session)
+    if created_session.id is not None:
+        _create_session_playlists(created_session.id)
+    return created_session
 
 
 def set_session(session: model.Session):
@@ -74,6 +78,7 @@ def set_session(session: model.Session):
 
 
 def delete_session(session_id: int):
+    _delete_session_playlists(session_id)
     write.delete_session_by_id(session_id)
 
 
@@ -160,3 +165,56 @@ def get_commonly_played_temes(
     tema_id: int,
 ) -> list[temes_model.CommonlyPlayedTema]:
     return session_playlists.get_commonly_played_tunes(tema_id=tema_id)
+
+
+def _create_session_playlists(session_id: int):
+    with get_connection() as con:
+        setlist_playlist_id = playlists_write.create_playlist(con=con)
+        slowjam_playlist_id = playlists_write.create_playlist(con=con)
+        session_playlists.insert_playlist(
+            session_id=session_id,
+            playlist_type=PlaylistType.SESSION_SETLIST,
+            playlist_id=setlist_playlist_id,
+            con=con,
+        )
+        session_playlists.insert_playlist(
+            session_id=session_id,
+            playlist_type=PlaylistType.SESSION_SLOWJAM,
+            playlist_id=slowjam_playlist_id,
+            con=con,
+        )
+
+
+def _delete_session_playlists(session_id: int):
+    with get_connection() as con:
+        setlist_playlist_id = session_playlists.get_playlist_id(
+            session_id=session_id,
+            playlist_type=PlaylistType.SESSION_SETLIST,
+            con=con
+        )
+        slowjam_playlist_id = session_playlists.get_playlist_id(
+            session_id=session_id,
+            playlist_type=PlaylistType.SESSION_SLOWJAM,
+            con=con
+        )
+
+        if setlist_playlist_id is not None:
+            playlists_write.delete_playlist(
+                playlist_id=setlist_playlist_id,
+                con=con,
+            )
+            session_playlists.delete_playlist(
+                session_id=session_id,
+                playlist_type=PlaylistType.SESSION_SETLIST,
+                con=con
+            )
+        if slowjam_playlist_id is not None:
+            playlists_write.delete_playlist(
+                playlist_id=slowjam_playlist_id,
+                con=con,
+            )
+            session_playlists.delete_playlist(
+                session_id=session_id,
+                playlist_type=PlaylistType.SESSION_SLOWJAM,
+                con=con
+            )