Most generic class-based views are derived from ContextMixin. It provides the get_context_data method, which most classes override, to add their own context variables. While overriding this method, as a best practice, you will need to call get_context_data of the superclass first and then add or override your context variables.
We can abstract this in the form of a mixin, as we saw previously:
class FeedMixin(object):
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context["feed"] = models.Post.objects.viewable_posts( self.request.user)
return context
We can add this mixin to our views and use the added context variables in our templates. Notice that we are using the model manager defined ...
