Use autocomplete for list of wishlists (WIP)

Note to self: forgetting to add dal to INSTALLED_APPS leads to names in
it not being available, although dal itself exists.

wish/settings.py

@@ -38,6 +38,9 @@ INSTALLED_APPS = [
 	'django.contrib.messages',
 	'django.contrib.staticfiles',
 
+	'dal',
+	'dal_select2',
+
 	'utils',
 	'wishlist',
 ]

wishlist/admin.py

@@ -4,10 +4,16 @@ import wishlist.models as m
 admin.site.register(m.WishList)
 
 from django.forms import ModelForm
+from dal import autocomplete
 class WishedItemAdminForm(ModelForm):
 	class Meta:
 		model = m.WishedItem
 		fields = '__all__'
+		widgets = {
+			'wishlists': autocomplete.ModelSelect2Multiple(
+				url='wishlist_list_autocomplete',
+			),
+		}
 
 @admin.register(m.WishedItem)
 class WishedItemAdmin(admin.ModelAdmin):

wishlist/urls.py

@@ -1,8 +1,10 @@
 from django.urls import path
 from . import views as v
+from . import views_autocomplete as ac
 
 urlpatterns = [
 	path('user/<str:loginname>', v.UserWishLists.as_view(), name='wishlists_user'),
 	path('item/<int:pk>', v.WishedItemView.as_view(), name='wished_item'),
 	path('<slug:slug>', v.WishListView.as_view(), name='wishlist'),
+	path('autocomplete/wishlists', ac.WishListAutocomplete.as_view(), name='wishlist_list_autocomplete'),
 ]

wishlist/views_autocomplete.py

@@ -0,0 +1,14 @@
+from dal import autocomplete
+from wishlist.models import WishList
+
+class WishListAutocomplete(autocomplete.Select2QuerySetView):
+	def get_queryset(self):
+		if not self.request.user.is_authenticated:
+			return WishList.objects.none()
+		qs = WishList.objects.all().filter(owner=self.request.user)
+
+		if self.q:
+			qs = qs.filter(name__startswith=self.q)
+
+		return qs
+