Part 2 - Learn Django by Building Invoice Management System

Learn advanced form rendering in Django using Crispy Forms to transform a basic invoice form into a polished layout with invoice date, number, customer details, and line items.

Use a single reusable navbar across all pages of the invoice management app. Update links in one shared include to keep home, invoice, and entry pages in sync.

List invoice objects from the database in a Bootstrap-styled table with static files, applying alternating colors, center alignment, and 95% width; include count, customer, invoice number, date, and amount.

Implement a search form in the invoice management system to filter records by invoice number, customer name, or both, supporting starts with and partial matches with template rendering.

Add data validation to the Django invoice form by enforcing required fields such as invoice number, customer name, and line one, and raise validation errors for blanks.

Update invoice data by editing items through a clickable invoice name, using a form, post requests, and validations, then view the updated list of invoices.

Learn how to delete an invoice record in a Django app, with a confirmation prompt, a post request to perform deletion, and a redirect back to the invoice list.

Learn to implement a Django choice field (dropdown list) in models with a three-step, data-validation approach, then make migrations, migrate, and expose the choice in forms.

Learn to implement user notifications in Django using the built-in messages framework to show success or error feedback after actions like login or saving invoices, with template display and redirects.

Display the six most recent invoices by date, counting total invoices and slicing the invoice queryset, then render them in the invoice created template with name, date, and total.

Learn how to integrate jquery and jquery-ui into a django invoice management app by adding javascript and handling static files. This enables dynamic line item controls and UI interactions.