TableOrder/Server/DB/handler.py
2025-07-04 14:38:36 +02:00

77 lines
No EOL
2.4 KiB
Python

from __future__ import annotations
import json
import datetime
import os
from typing import List
from sqlalchemy import create_engine, BLOB, Column, Boolean, Float, Integer, String, JSON, DateTime, ForeignKey
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import DeclarativeBase, sessionmaker, relationship, Mapped, mapped_column
from loguru import logger
from flask_login import UserMixin
# create an in-memory SQLite database
engine = create_engine('sqlite:///db.sqlite', echo=True)
Session = sessionmaker(bind=engine)
session = Session()
Base = declarative_base()
class User(UserMixin, Base):
__tablename__ = 'User'
username = Column(String, primary_key=True, unique=True)
hashed_password = Column(String)
salt = Column(String)
class Log(Base): #TODO uSe
__tablename__ = 'Log'
number = Column(Integer, primary_key=True)
created_at = Column(DateTime, default=datetime.datetime.now)
desk_ = Column(Integer)
ip = Column(Integer)
def __init__(self, desk, ip, tel_nr):
self.desk = desk
self.ip = ip
class QR(Base): #TODO: Decide if encryption Salting hasing and anti rainbow attack is eeded for the qr codes?
__tablename__ = 'qr'
desk = Column(Integer, primary_key=True)
qr_secret = Column(Integer)
qr_img = Column(BLOB)
def __init__(self, desk, qr_img, qr_secret=0):
self.desk = desk
self.qr_secret = qr_secret
self.qr_img = qr_img
class Product(Base):
__tablename__ = 'product'
id = mapped_column(Integer, primary_key=True)
name = Column(String)
quantity = Column(Integer)
order_id = mapped_column(ForeignKey("order.id"))
order = relationship("Order", back_populates="order")
def __init__(self, quantity,name, order_id):
self.quantity = quantity
self.name = name
self.order_id = order_id
self.date = datetime.datetime.now()
class Order(Base):
__tablename__ = 'order'
id = mapped_column(Integer, primary_key=True)
order = relationship("Product", back_populates="order")
desk_number = Column(Integer)
finished = Column(Boolean)
def __init__(self, desk_number, finished=False, ):
self.desk_number = desk_number
self.desk = 1
#TODO: replace product-order.json whit json object POST from flask
# That means a UI for setting all values.
self.finished = finished
Base.metadata.create_all(engine)