database.py

import datetime
from sqlalchemy import create_engine, Column, Integer, String, Boolean, DateTime
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base

# Database file path. It will be created in your Space's persistent storage.
DATABASE_URL = "sqlite:///./api_data.db"

# SQLAlchemy setup
engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()

# Define the ApiKey table model
class ApiKey(Base):
    __tablename__ = "api_keys"

    id = Column(Integer, primary_key=True, index=True)
    key = Column(String, unique=True, index=True, nullable=False)
    is_active = Column(Boolean, default=True)
    usage_count = Column(Integer, default=0)
    created_at = Column(DateTime, default=datetime.datetime.utcnow)

# Function to create the database and table
def create_db_and_tables():
    Base.metadata.create_all(bind=engine)

# Dependency to get a database session
def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()