migrations sync fix

src/migrations/env.py

@@ -1,13 +1,13 @@
 from logging.config import fileConfig
 
+from alembic import context
+from sqlalchemy import create_engine, pool
 
 from src.models.database_models import Model
 from src.models.database_models.model import engine
 
-from sqlalchemy import engine_from_config
-from sqlalchemy import pool
-
-from alembic import context
+sync_url = engine.url.render_as_string(hide_password=False).replace("+aiosqlite", "")
+sync_engine = create_engine(sync_url, poolclass=pool.NullPool)
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -23,7 +23,7 @@ if config.config_file_name is not None:
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
 target_metadata = Model.metadata
-config.set_main_option("sqlalchemy.url", engine.url.render_as_string(hide_password=False))
+config.set_main_option("sqlalchemy.url", sync_url)
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -62,13 +62,8 @@ def run_migrations_online() -> None:
     and associate a connection with the context.
 
     """
-    connectable = engine_from_config(
-        config.get_section(config.config_ini_section, {}),
-        prefix="sqlalchemy.",
-        poolclass=pool.NullPool,
-    )
 
-    with connectable.connect() as connection:
+    with sync_engine.connect() as connection:
         context.configure(
             connection=connection, target_metadata=target_metadata, render_as_batch=True
         )

src/migrations/versions/ebe80cd28822_.py

@@ -0,0 +1,46 @@
+"""empty message
+
+Revision ID: ebe80cd28822
+Revises: 74814eb1b7f8
+Create Date: 2026-08-21 13:52:49.788041
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'ebe80cd28822'
+down_revision: Union[str, Sequence[str], None] = '74814eb1b7f8'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user_direct_permissions', schema=None) as batch_op:
+        batch_op.drop_constraint(batch_op.f('fk_user_direct_permissions_user_id_users'), type_='foreignkey')
+        batch_op.create_foreign_key(batch_op.f('fk_user_direct_permissions_user_id_users'), 'users', ['user_id'], ['id'], ondelete='CASCADE')
+
+    with op.batch_alter_table('user_group', schema=None) as batch_op:
+        batch_op.drop_constraint(batch_op.f('fk_user_group_user_id_users'), type_='foreignkey')
+        batch_op.create_foreign_key(batch_op.f('fk_user_group_user_id_users'), 'users', ['user_id'], ['id'], ondelete='CASCADE')
+
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user_group', schema=None) as batch_op:
+        batch_op.drop_constraint(batch_op.f('fk_user_group_user_id_users'), type_='foreignkey')
+        batch_op.create_foreign_key(batch_op.f('fk_user_group_user_id_users'), 'users', ['user_id'], ['id'])
+
+    with op.batch_alter_table('user_direct_permissions', schema=None) as batch_op:
+        batch_op.drop_constraint(batch_op.f('fk_user_direct_permissions_user_id_users'), type_='foreignkey')
+        batch_op.create_foreign_key(batch_op.f('fk_user_direct_permissions_user_id_users'), 'users', ['user_id'], ['id'])
+
+    # ### end Alembic commands ###

src/models/database_models/model.py

@@ -75,14 +75,14 @@ class Permissions(Model):
 user_group_of_permissions=Table(
     "user_group",
     Model.metadata,
-    Column("user_id", ForeignKey("users.id"), primary_key=True),
+    Column("user_id", ForeignKey("users.id", ondelete="CASCADE"), primary_key=True),
     Column("permission_group_id", ForeignKey("groups_of_permissions.id"), primary_key=True)
 )
 
 user_permission=Table(
     "user_direct_permissions",
     Model.metadata,
-    Column("user_id",ForeignKey("users.id"), primary_key=True),
+    Column("user_id",ForeignKey("users.id", ondelete="CASCADE"), primary_key=True),
     Column("permission_id", ForeignKey("permissions.id"), primary_key=True)
 )