Refactor database layer and auditing

packages/sshecret-backend/migrations/env.py

@@ -3,22 +3,22 @@ from logging.config import fileConfig
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool
-from sqlmodel import create_engine
 
 from alembic import context
-from sshecret_backend.models import *
-
-def get_database_url() -> str:
-    """Get database URL."""
-    if db_file := os.getenv("SSHECRET_BACKEND_DB"):
-        return f"sqlite:///{db_file}"
-    return "sqlite:///sshecret.db"
-
+from sshecret_backend.models import Base
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
 config = context.config
 
+
+def get_database_url() -> str | None:
+    """Get database URL."""
+    if db_file := os.getenv("SSHECRET_BACKEND_DB"):
+        return f"sqlite:///{db_file}"
+    return config.get_main_option("sqlalchemy.url")
+
+
 # Interpret the config file for Python logging.
 # This line sets up loggers basically.
 if config.config_file_name is not None:
@@ -28,8 +28,7 @@ if config.config_file_name is not None:
 # for 'autogenerate' support
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
-#target_metadata = None
-target_metadata = SQLModel.metadata
+target_metadata = Base.metadata
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -68,7 +67,11 @@ def run_migrations_online() -> None:
     and associate a connection with the context.
 
     """
-    connectable = create_engine(get_database_url())
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
 
     with connectable.connect() as connection:
         context.configure(

packages/sshecret-backend/migrations/script.py.mako

@@ -9,7 +9,6 @@ from typing import Sequence, Union
 
 from alembic import op
 import sqlalchemy as sa
-import sqlmodel
 ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.