Modifying the views

Now we have to change the parameters of the post_detail view to match the new URL parameters and use them to retrieve the corresponding Post object.

Edit the views.py file and edit the post_detail view like this:

def post_detail(request, year, month, day, post):
    post = get_object_or_404(Post,
                             status=Post.Status.PUBLISHED,
                             slug=post,
                             publish__year=year,
                             publish__month=month,
                             publish__day=day)
    return render(request,
                  'blog/post/detail.html',
                  {'post': post})

We have modified the post_detail view to take the year, month, day, and post arguments and retrieve a published post with the given slug and publication date. By adding unique_for_date='publish' to the slug field of the Post model before, we ensured that there will be only one post with a slug for...