backend/database/database.py

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from config import settings
from logging_config import get_logger

# Create logger for this module
logger = get_logger(__name__)

# Database setup using SQLAlchemy
engine = create_engine(
    settings.database_url, connect_args={"check_same_thread": False}
)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()

def get_db():
    """Dependency to get database session"""
    logger.debug("Creating database session")
    db = SessionLocal()
    try:
        yield db
    finally:
        logger.debug("Closing database session")
        db.close()