Restaurant

Build a restaurant app with the following features.

UI/UX

Functional Requirements

• Create,Read,Update,Delete an order
• Create an customer
• Update and remove from an order

Sample below:

class Order(x):
    print("do bank stuff")

class Customer(x):
    print("do account stuff")

class Menu(x):
    print("do client stuff")

Non Functional Requirements

• Item
• Item

Schema

Order

column	description
id	id of the item
name	name of the item
name	name of the item
name	name of the item
name	name of the item

OrderItem

column	description
id	id of the item
name	name of the item
name	name of the item
name	name of the item
name	name of the item

Customer

column	description
id	id of the item
name	name of the item
name	name of the item
name	name of the item
name	name of the item

Transaction

column	description
id	id of the item
name	name of the item
name	name of the item
name	name of the item
name	name of the item

Business Rules

Rules about how things should work...

Solution

class Order:
    def __init__(self,name="New Bank"):
        self.name = name
        self.accounts = []
    def add_account(self,x):
        self.accounts.append(x)

class Customer:
    def __init__(self,name="New Account",account_holder=None):
        self.amount = 0
        self.name = name
        self.account_holder = account_holder
    def withdraw(self,x):
        self.amount -= x
    def deposit(self,x):
        self.amount += x
    def __repr__(self):
        return str({
            "name": self.name, 
            "amount": self.amount, 
            "account_holder": self.account_holder
            })

class OrderItem:
    def __init__(self,name="New Bank"):
        self.name = name
        self.accounts = []
    def add_account(self,x):
        self.accounts.append(x)