from django.http import HttpResponse, HttpResponseRedirect, Http404
from django.shortcuts import render

from qrurls.models import URL, URLItem

def index (request) :
    urls = URL.objects.all()
    return render(request, 'qrurls/index.html', dict(
        urls    = urls,
    ))

def shorturl (request, shorturl) :
    shorturl = shorturl.strip(' /')
    try :
        url = URL.objects.get(shorturl=shorturl)
    except URL.DoesNotExist :
        raise Http404()

    try :
        # most recent
        url_item = url.active_item()
    except IndexError :
        raise Http404()
    
    return HttpResponseRedirect(url_item.get_absolute_url())