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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()
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