from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.exceptions import PermissionDenied
from django.utils.translation import gettext_lazy as _
from haystack.generic_views import SearchView


class AdminSearchView(LoginRequiredMixin, SearchView):
    def dispatch(self, request, *args, **kwargs):
        if not request.user.is_authenticated:
            return self.handle_no_permission()
        if not request.user.registration.is_admin:
            raise PermissionDenied(_("Only administrators are allowed to perform a full research."))
        return super().dispatch(request, *args, **kwargs)