from collections import namedtuple from dal import autocomplete from django.core.exceptions import ImproperlyConfigured from django.http import Http404 from django.views.generic import TemplateView from shared.autocomplete import ModelSearch class Select2QuerySetView(ModelSearch, autocomplete.Select2QuerySetView): """Compatibility layer between ModelSearch and Select2QuerySetView.""" def get_queryset(self): keywords = self.q.split() return super().search(keywords) Section = namedtuple("Section", ("name", "verbose_name", "entries")) Entry = namedtuple("Entry", ("verbose_name", "link")) class AutocompleteView(TemplateView): template_name = "shared/search_results.html" search_composer = None def get_search_composer(self): if self.search_composer is None: raise ImproperlyConfigured("Please specify a search composer") return self.search_composer def get_context_data(self, **kwargs): ctx = super().get_context_data(**kwargs) if "q" not in self.request.GET: raise Http404 q = self.request.GET["q"] ctx["q"] = q ctx["results"] = self.search(keywords=q.split()) return ctx def search(self, keywords): search_composer = self.get_search_composer() raw_results = search_composer.search(keywords) sections = [] for name, unit in search_composer.search_units: entries = [ Entry( verbose_name=unit.result_verbose_name(res), link=unit.result_link(res), ) for res in raw_results[name] ] if entries: sections.append( Section(name=name, verbose_name=unit.verbose_name, entries=entries) ) return sections