prs-fleshgolem-2070: feat: sqlalchemy 2.0 (#2096)

* upgrade sqlalchemy to 2.0

* rewrite all db models to sqla 2.0 mapping api

* fix some importing and typing weirdness

* fix types of a lot of nullable columns

* remove get_ref methods

* fix issues found by tests

* rewrite all queries in repository_recipe to 2.0 style

* rewrite all repository queries to 2.0 api

* rewrite all remaining queries to 2.0 api

* remove now-unneeded __allow_unmapped__ flag

* remove and fix some unneeded cases of "# type: ignore"

* fix formatting

* bump black version

* run black

* can this please be the last one. okay. just. okay.

* fix repository errors

* remove return

* drop open API validator

---------

Co-authored-by: Sören Busch <fleshgolem@gmx.net>

mealie/services/scheduler/tasks/purge_group_exports.py

@@ -1,6 +1,8 @@
 import datetime
 from pathlib import Path
 
+from sqlalchemy import select
+
 from mealie.core import root_logger
 from mealie.core.config import get_app_dirs
 from mealie.db.db_setup import session_context
@@ -17,7 +19,8 @@ def purge_group_data_exports(max_minutes_old=ONE_DAY_AS_MINUTES):
     limit = datetime.datetime.now() - datetime.timedelta(minutes=max_minutes_old)
 
     with session_context() as session:
-        results = session.query(GroupDataExportsModel).filter(GroupDataExportsModel.expires <= limit)
+        stmt = select(GroupDataExportsModel).filter(GroupDataExportsModel.expires <= limit)
+        results = session.execute(stmt).scalars().all()
 
         total_removed = 0
         for result in results:

mealie/services/scheduler/tasks/purge_password_reset.py

@@ -1,5 +1,7 @@
 import datetime
 
+from sqlalchemy import delete
+
 from mealie.core import root_logger
 from mealie.db.db_setup import session_context
 from mealie.db.models.users.password_reset import PasswordResetModel
@@ -15,7 +17,8 @@ def purge_password_reset_tokens():
     limit = datetime.datetime.now() - datetime.timedelta(days=MAX_DAYS_OLD)
 
     with session_context() as session:
-        session.query(PasswordResetModel).filter(PasswordResetModel.created_at <= limit).delete()
+        stmt = delete(PasswordResetModel).filter(PasswordResetModel.created_at <= limit)
+        session.execute(stmt)
         session.commit()
         session.close()
         logger.info("password reset tokens purged")

mealie/services/scheduler/tasks/purge_registration.py

@@ -1,5 +1,7 @@
 import datetime
 
+from sqlalchemy import delete
+
 from mealie.core import root_logger
 from mealie.db.db_setup import session_context
 from mealie.db.models.group import GroupInviteToken
@@ -15,7 +17,8 @@ def purge_group_registration():
     limit = datetime.datetime.now() - datetime.timedelta(days=MAX_DAYS_OLD)
 
     with session_context() as session:
-        session.query(GroupInviteToken).filter(GroupInviteToken.created_at <= limit).delete()
+        stmt = delete(GroupInviteToken).filter(GroupInviteToken.created_at <= limit)
+        session.execute(stmt)
         session.commit()
         session.close()