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Django 4 By Example

You're reading from   Django 4 By Example Build powerful and reliable Python web applications from scratch

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781801813051
Length 766 pages
Edition 4th Edition
Languages
Tools
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Author (1):
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Antonio Melé Antonio Melé
Author Profile Icon Antonio Melé
Antonio Melé
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Table of Contents (20) Chapters Close

Preface 1. Building a Blog Application FREE CHAPTER 2. Enhancing Your Blog with Advanced Features 3. Extending Your Blog Application 4. Building a Social Website 5. Implementing Social Authentication 6. Sharing Content on Your Website 7. Tracking User Actions 8. Building an Online Shop 9. Managing Payments and Orders 10. Extending Your Shop 11. Adding Internationalization to Your Shop 12. Building an E-Learning Platform 13. Creating a Content Management System 14. Rendering and Caching Content 15. Building an API 16. Building a Chat Server 17. Going Live 18. Other Books You May Enjoy
19. Index

Creating a comment system

We will continue extending our blog application with a comment system that will allow users to comment on posts. To build the comment system, we will need the following:

  • A comment model to store user comments on posts
  • A form that allows users to submit comments and manages the data validation
  • A view that processes the form and saves a new comment to the database
  • A list of comments and a form to add a new comment that can be included in the post detail template

Creating a model for comments

Let’s start by building a model to store user comments on posts.

Open the models.py file of your blog application and add the following code:

class Comment(models.Model):
    post = models.ForeignKey(Post,
                             on_delete=models.CASCADE,
                             related_name='comments')
    name = models.CharField(max_length=80)
    email = models.EmailField()
    body = models...
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