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Django 3 By Example

You're reading from   Django 3 By Example Build powerful and reliable Python web applications from scratch

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Product type Paperback
Published in Mar 2020
Publisher Packt
ISBN-13 9781838981952
Length 568 pages
Edition 3rd Edition
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Concepts
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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 (17) Chapters Close

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

Accessing the course contents

You need a view for displaying the courses that students are enrolled on, and a view for accessing the actual course contents. Edit the views.py file of the students application and add the following code to it:

from django.views.generic.list import ListView
from courses.models import Course
class StudentCourseListView(LoginRequiredMixin, ListView):
    model = Course
    template_name = 'students/course/list.html'
    def get_queryset(self):
        qs = super().get_queryset()
        return qs.filter(students__in=[self.request.user])

This is the view to see courses that students are enrolled on. It inherits from LoginRequiredMixin to make sure that only logged in users can access the view. It also inherits from the generic ListView for displaying a list of Course objects. You override the get_queryset() method to retrieve only the courses that a student is enrolled on; you filter the QuerySet by the student's ManyToManyField...

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