Added auth & improved database

src/cpl-core/cpl/core/__init__.py

@@ -1 +0,0 @@
-

src/cpl-core/cpl/core/ctx/__init__.py

@@ -0,0 +1 @@
+from .user_context import set_user, get_user

src/cpl-core/cpl/core/ctx/user_context.py

@@ -0,0 +1,18 @@
+from contextvars import ContextVar
+from typing import Optional
+
+from cpl.auth.auth_logger import AuthLogger
+from cpl.auth.schema._administration.auth_user import AuthUser
+
+_user_context: ContextVar[Optional[AuthUser]] = ContextVar("user", default=None)
+
+_logger = AuthLogger(__name__)
+
+
+def set_user(user_id: Optional[AuthUser]):
+    _logger.trace("Setting user context", user_id)
+    _user_context.set(user_id)
+
+
+def get_user() -> Optional[AuthUser]:
+    return _user_context.get()