Book Image

Django 4 By Example - Fourth Edition

By : Antonio Melé
4.7 (3)
Book Image

Django 4 By Example - Fourth Edition

4.7 (3)
By: Antonio Melé

Overview of this book

Django 4 By Example is the 4th edition of the best-selling franchise that helps you build web apps. This book will walk you through the creation of real-world applications, solving common problems, and implementing best practices using a step-by-step approach. You'll cover a wide range of web app development topics as you build four different apps: A blog application: Create data models, views, and URLs and implement an admin site for your blog. Create sitemaps and RSS feeds and implement a full-text search engine with PostgreSQL. A social website: Implement authentication with Facebook, Twitter, and Google. Create user profiles, image thumbnails, a bookmarklet, and an activity stream. Implement a user follower system and add infinite scroll pagination to your website. An e-commerce application: Build a product catalog, a shopping cart, and asynchronous tasks with Celery and RabbitMQ. Process payments with Stripe and manage payment notifications via webhooks. Build a product recommendation engine with Redis. Create PDF invoices and export orders to CSV. An e-learning platform: Create a content management system to manage polymorphic content. Cache content with Memcached and Redis. Build and consume a RESTful API. Implement a real-time chat using WebSockets with ASGI. Create a production environment using NGINX, uWSGI and Daphne with Docker Compose. This is a practical book that will have you creating web apps quickly.
Table of Contents (20 chapters)
18
Other Books You May Enjoy
19
Index

Registering customer orders

When a shopping cart is checked out, you need to save an order in the database. Orders will contain information about customers and the products they are buying.

Create a new application for managing customer orders using the following command:

python manage.py startapp orders

Edit the settings.py file of your project and add the new application to the INSTALLED_APPS setting, as follows:

INSTALLED_APPS = [
    # ...
    'shop.apps.ShopConfig',
    'cart.apps.CartConfig',
    'orders.apps.OrdersConfig',
]

You have activated the orders application.

Creating order models

You will need a model to store the order details and a second model to store items bought, including their price and quantity. Edit the models.py file of the orders application and add the following code to it:

from django.db import models
from shop.models import Product
class Order(models.Model):
    first_name = models.CharField...