from django.views.generic.simple import redirect_to
from django.contrib.auth import authenticate, login, logout
from django.shortcuts import render_to_response, get_object_or_404
from django.http import Http404


def alias(request, arg, **kwargs):
    if kwargs.has_key('url'):
        return redirect_to(request, str(kwargs['url']) + str(arg))
    else:
        raise Http404

def images(request, image):
    if image: image = str(image)
    else: image = ""
    return redirect_to(request, '/media/legacy/images/' + image)

def login_view(request):
    p = request.POST
    if not p.has_key('url'):
        raise Exception, "No URL?"
    if request.user.is_authenticated():
        return redirect_to(request, p['url'])
    try:
        username = p['username']
        password = p['password']
        user = authenticate(username=username, password=password)
        if user is not None:
            login(request, user)
            return redirect_to(request, p['url'])
        else:
            return render_to_response('login/login.html')
    except:
        return render_to_response('login/login.html')

def logout_view(request):
    logout(request)
    g = request.GET
    return redirect_to(request, g['url'])