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Building SPAs with Django and HTML Over the Wire

You're reading from   Building SPAs with Django and HTML Over the Wire Learn to build real-time single page applications with Python

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803240190
Length 264 pages
Edition 1st Edition
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Author (1):
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Andros Fenollosa Andros Fenollosa
Author Profile Icon Andros Fenollosa
Andros Fenollosa
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Toc

Table of Contents (14) Chapters Close

Preface 1. Part 1: Getting Started with Python
2. Chapter 1: Setting up the Virtual Environment FREE CHAPTER 3. Chapter 2: Creating a Django Project around Docker 4. Part 2: WebSockets in Django
5. Chapter 3: Adding WebSockets to Django 6. Chapter 4: Working with the Database 7. Chapter 5: Separating Communication in Rooms 8. Part 3: HTML over WebSockets
9. Chapter 6: Creating SPAs on the Backends 10. Chapter 7: Creating a Real-Time Blog Using Only Django 11. Part 4: Simplifying the frontend with Stimulus
12. Chapter 8: Simplifying the Frontend 13. Other Books You May Enjoy

Deleting rows from a database

In the previous sections, we managed to build a system where we could add new messages, list them, and paginate them. But so far, we are unable to delete anything.

The way the project is structured, it is really quick to implement:

  1. We check in /app/website/templates/components/_list-messages.html that we are adding to each button a dataset with the id. We do this task when we list the messages; we must be aware of the source where the id that we will use comes from to know which message we must delete:
    <button class="button messages__delete" data-id="{{ 
        message.id }}"> Delete</button>
  2. In /static/js/index.js, add the deleteMessage function. We will capture the dataset with the id and send it to the consumer with the action "delete message". In addition, we will add each listener after the listener of the pager. Let’s not forget the reason for this positioning: all events...
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