Self correcting Semantic URL slugs, Stack Overflow style.

gistfile1.py

'''
Self correcting Semantic URL slugs, Stack Overflow style.

Format:
website.com/obj/<pk>/<slug>

For example, we have obj with pk: 1, title: "Hello World", and slug: "hello-world"

website.com/obj/1/ -> website.com/obj/1/hello-world
website.com/obj/1/hello-moon/ -> website.com/obj/1/hello-world
'''

from django.views.generic import DetailView
from django.shortcuts import get_object_or_404

from .models import Object


class ObjectDetailView(DetailView):
    model = Object

    def dispatch(self, request, *args, **kwargs):
        obj = get_object_or_404(Object, pk=self.kwargs['pk'])

        # if slug exists, continue
        if 'slug' in self.kwargs:
            
            # if slug doesn't match, redirect 
            if obj.slug() != self.kwargs['slug']:
                return redirect("object_detail", obj.pk, obj.slug())
                
            # else, A-OK! :thumps-up:

        # if slug doesn't exists, redirect
        else:
            return redirect("object_detail", obj.pk, obj.slug())

        return super(ListsDetailView, self).dispatch(request, *args, **kwargs)