Hello Web App: Intermediate Concepts

Introduction

1. Prerequisites
2. Our discussion forum

Creating a Contact Form and Working with Custom Forms

1. Set up the URL
2. Set up the view
3. Set up the form
4. Create the template
5. Set up your local email server
6. Add the email logic
7. Create a template for your email
8. Improve the form (optional)
9. Set up our live email server (optional)
10. Things that could be improved
11. Your contact form is complete!

Adding a New Model and Working With Multiple Models

1. Proper schema design: multiple tables can be better than just one big table
2. How to add a new model to your app
3. Add to your admin
4. Access the new view from your views

Adding Easy Admin Emails, Helpers, Sitemaps, and More

1. Adding an admin email shortcut to your views
2. Adding created and last-modified dates using an abstract model
3. Helper functions on your model
4. Adding sitemaps
5. A bit about class-based views and Django’s generic views

Adding User-Uploaded Images

1. Adding a model for images
2. Showing the image in the templates
3. Adding the Upload model to your admin page
4. Setting up the template to display images
5. Uploading files in the templates

Editing and Resizing Images

1. Installation reminder
2. Testing out resizing, adding filters, and saving your images
3. Updating your model’s save method to resize images

Setting Up Django Messages for Alerts

1. Add the messages block to your base template
2. Sending over messages from the view
3. Other message types

Front-End Fun: Adding Gulp, Sass, and Bootstrap

Reading Source Code And Setting Up a Form to Edit User Email Addresses

1. Setting up the form
2. Setting up the view and the template

Adding Payments with Stripe

1. Quick note about HTTPS and securing your app
2. Setting up Stripe
3. A note about test and live keys
4. Add your test keys to your settings
5. Determining the payment flow
6. Set up your templates
7. Create the URL and the view
8. Add a plan to Stripe
9. Update your view to subscribe the customer to a plan
10. Setting up error catching
11. Add a flag to your model to indicate “upgraded” objects
12. All the additional ways to improve the payment functionality on your app
13. Additional resources and information
14. Congrats, you’ve added payments to your app!

Adding an API

1. The essence of an API
2. Installing Django REST Framework
3. Setting up a very simple API
4. Just the tip of the iceberg

Working with Sessions

1. What are sessions?
2. Saving, accessing, and removing session data in the view
3. Some caveats

Creating Your Own Scripts and a Bit About Cron Jobs

1. Creating a script
2. Setting up scheduling to run the script automatically
3. A note about normal scripts, not Django management commands

Database Pitfalls

1. Getting information about your queries with the Django Debug Toolbar
2. Optimizing queries
3. Other optimization methods

Additional Information and Resources

1. Different versions and updates — what should I do?
2. Other resources
3. Keep in touch with Hello Web App!

Special Thanks

1. Super thanks to Hello Web App’s sponsors
2. Book reviewers, editors, and testers
3. Kickstarter backers

References

Friendly Note

About the Author