Class FacetedSearchView

haystack/views.py:165–187

class FacetedSearchView(SearchView):
    def __init__(self, *args, **kwargs):
        # Needed to switch out the default form class.
        if kwargs.get("form_class") is None:
            kwargs["form_class"] = FacetedSearchForm

        super().__init__(*args, **kwargs)

    def build_form(self, form_kwargs=None):
        if form_kwargs is None:
            form_kwargs = {}

        # This way the form can always receive a list containing zero or more
        # facet expressions:
        form_kwargs["selected_facets"] = self.request.GET.getlist("selected_facets")

        return super().build_form(form_kwargs)

    def extra_context(self):
        extra = super().extra_context()
        extra["request"] = self.request
        extra["facets"] = self.results.facet_counts()
        return extra


def basic_search(