cookbook/recipes/views.py

from django.views import generic

from .models import Recipe, IngredientUsage, Step


class IndexView(generic.ListView):
    template_name = 'recipes/index.html'

    def get_queryset(self):
        return Recipe.objects.order_by('name')


class DetailView(generic.DetailView):
    model = Recipe
    template_name = 'recipes/detail.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['ingredient_list'] = IngredientUsage.objects.filter(recipe=self.object.pk)
        context['steps'] = Step.objects.filter(recipe=self.object.pk).order_by('step')
        return context