Getting BlogPostPages by their assigned authors

staff author_page.html

{% extends 'base.html' %}

{% block content %}
  {% for post in posts %}
    {{ post.title }}
  {% endfor %}
{% endblock %}

staff models.py

class StaffPage(RoutablePageMixin, Page):

    # fields here 
    # ...
    
    # routable page for /staff/{author_slug}/
    @route(r'^(?P<author_slug>[-\w]*)/$', name='author_page')
    def author_page(self, request, author_slug):
        context = self.get_context(request)
        posts = BlogPostPage.objects.filter(blog_authors__in=[author_slug])
        context['posts'] = posts
        return render(request, 'staff/author_page.html', context)

    get_context(self, request, *args, **kwargs):
        context = super().get_context(request, *args, **kwargs)
        context['all_authors'] = BlogAuthor.objects.all()
        return context

staff_page.html

{% extends 'base.html' %}

{% block content %}
  {% for author in authors %}
    {{ author.name }}
  {% endfor %}
{% endblock %}