database.py

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

# Database connection details
DB_USER = os.getenv("DB_USER", "travel")
DB_PASSWORD = os.getenv("DB_PASSWORD", "travel")
DB_HOST = os.getenv("DB_HOST", "localhost") 
DB_PORT = os.getenv("DB_PORT", "3306")
DB_NAME = os.getenv("DB_NAME", "travel")

# SQLAlchemy Database URL
SQLALCHEMY_DATABASE_URL = f"mysql+pymysql://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"


# Create SQLAlchemy engine
engine = create_engine(
    SQLALCHEMY_DATABASE_URL,
    echo=True  # Set to False in production
)

# Create SessionLocal class for database session
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

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