Push V1 app

backend/database.py

@@ -0,0 +1,28 @@
+from sqlalchemy import create_engine, text
+from sqlalchemy.orm import DeclarativeBase, sessionmaker
+
+DATABASE_URL = "sqlite:///./data/cellar.db"
+
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+def migrate():
+    with engine.connect() as conn:
+        try:
+            conn.execute(text("ALTER TABLE users ADD COLUMN token_version INTEGER NOT NULL DEFAULT 0"))
+            conn.commit()
+        except Exception:
+            pass  # Column already exists