1 files changed, 44 insertions, 0 deletions
diff --git a/backend/app/auth/models.py b/backend/app/auth/models.py
new file mode 100644
index 0000000..8477ba2
--- /dev/null
+++ b/backend/app/auth/models.py
@@ -0,0 +1,44 @@
+import os
+from sqlalchemy import Column, Integer, String, DateTime, Text, create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from datetime import datetime
+
+# Database configuration
+DATA_ROOT = os.path.abspath(os.getenv("DATA_ROOT", os.path.join(os.getcwd(), "data")))
+DATABASE_PATH = os.path.join(DATA_ROOT, "users.db")
+DATABASE_URL = f"sqlite:///{DATABASE_PATH}"
+
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+
+class User(Base):
+    __tablename__ = "users"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(50), unique=True, index=True, nullable=False)
+    email = Column(String(100), unique=True, index=True, nullable=False)
+    hashed_password = Column(String(255), nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow)
+    is_active = Column(Integer, default=1)
+    # API Keys (stored encrypted in production, plain for simplicity here)
+    openai_api_key = Column(Text, nullable=True)
+    gemini_api_key = Column(Text, nullable=True)
+
+
+def init_db():
+    """Initialize database tables"""
+    os.makedirs(DATA_ROOT, exist_ok=True)
+    Base.metadata.create_all(bind=engine)
+
+
+def get_db():
+    """Dependency to get database session"""
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+