chore(home): mirror from kalinamall (9883e6a) with papatramp URLs

backend/app/database.py

@@ -0,0 +1,26 @@
+from collections.abc import Generator
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
+
+from app.config import get_settings
+
+settings = get_settings()
+_engine_kwargs: dict = {"pool_pre_ping": True}
+if settings.database_url.startswith("postgresql"):
+    _engine_kwargs["pool_size"] = max(1, int(settings.sac_db_pool_size))
+    _engine_kwargs["max_overflow"] = max(0, int(settings.sac_db_max_overflow))
+engine = create_engine(settings.database_url, **_engine_kwargs)
+SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+def get_db() -> Generator[Session, None, None]:
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()