Implement async db access in admin

packages/sshecret-admin/src/sshecret_admin/frontend/router.py

@@ -19,6 +19,7 @@ from starlette.datastructures import URL
 from sshecret_admin.auth import PasswordDB, User, decode_token
 from sshecret_admin.core.dependencies import BaseDependencies
 from sshecret_admin.services.admin_backend import AdminBackend
+from sshecret_admin.core.db import DatabaseSessionManager
 
 from .dependencies import FrontendDependencies
 from .exceptions import RedirectException
@@ -47,7 +48,9 @@ def create_router(dependencies: BaseDependencies) -> APIRouter:
         session: Annotated[Session, Depends(dependencies.get_db_session)]
     ):
         """Get admin backend API."""
-        password_db = session.scalars(select(PasswordDB).where(PasswordDB.id == 1)).first()
+        password_db = session.scalars(
+            select(PasswordDB).where(PasswordDB.id == 1)
+        ).first()
         if not password_db:
             raise HTTPException(
                 500, detail="Error: The password manager has not yet been set up."
@@ -116,6 +119,12 @@ def create_router(dependencies: BaseDependencies) -> APIRouter:
             return False
         return True
 
+    async def get_async_session():
+        """Get async session."""
+        sessionmanager = DatabaseSessionManager(dependencies.settings.async_db_url)
+        async with sessionmanager.session() as session:
+            yield session
+
     view_dependencies = FrontendDependencies.create(
         dependencies,
         get_admin_backend,
@@ -123,6 +132,7 @@ def create_router(dependencies: BaseDependencies) -> APIRouter:
         get_user_from_access_token,
         get_user_from_refresh_token,
         get_login_status,
+        get_async_session,
     )
 
     app.include_router(audit.create_router(view_dependencies))