Use vault to safely store database in an encrypted manner

from poolpay import db

from poolpay.model.Retrievable import Retrievable

from poolpay.vault.Vault import Vault

proj_dir = Path(__file__).parent.parent.resolve()

instance_dir = proj_dir / "instance"

vault_file = proj_dir / "instance.img"

db_file = instance_dir / "poolpay.db"

# TODO Start UI (with a basic message indicating the application is locked and a password is required)

password = "hunter2"  # TODO Prompt for this instead of hardcoding it into the file

vault = Vault(vault_file, instance_dir)

if not vault_file.exists():

    vault.create(password)

try:

    vault.open(password)

    engine = create_engine(f"sqlite:///{db_file}")

    Retrievable.metadata.create_all(engine)

    db.session = Session(engine)

    # TODO Initialize card reader (on card presented: Update UI, book transaction)

    # TODO Change UI to a "ready" state

finally:

    pass

    db.session.close()

    engine.dispose()

    vault.close()