Class SearchChangeList

haystack/admin.py:16–60

class SearchChangeList(ChangeList):
    def __init__(self, **kwargs):
        self.haystack_connection = kwargs.pop("haystack_connection", DEFAULT_ALIAS)
        super_kwargs = kwargs
        if django_version[0] >= 4:
            super_kwargs["search_help_text"] = "Search..."
        super().__init__(**super_kwargs)

    def get_results(self, request):
        if SEARCH_VAR not in request.GET:
            return super().get_results(request)

        # Note that pagination is 0-based, not 1-based.
        sqs = (
            SearchQuerySet(self.haystack_connection)
            .models(self.model)
            .auto_query(request.GET[SEARCH_VAR])
            .load_all()
        )

        paginator = Paginator(sqs, self.list_per_page)
        # Get the number of objects, with admin filters applied.
        result_count = paginator.count
        full_result_count = (
            SearchQuerySet(self.haystack_connection).models(self.model).all().count()
        )

        can_show_all = result_count <= self.list_max_show_all
        multi_page = result_count > self.list_per_page

        # Get the list of objects to display on this page.
        try:
            result_list = paginator.page(self.page_num).object_list
            # Grab just the Django models, since that's what everything else is
            # expecting.
            result_list = [result.object for result in result_list]
        except InvalidPage:
            result_list = ()

        self.result_count = result_count
        self.full_result_count = full_result_count
        self.result_list = result_list
        self.can_show_all = can_show_all
        self.multi_page = multi_page
        self.paginator = paginator


class SearchModelAdminMixin: