from django.shortcuts import render_to_response
from django.template import RequestContext
from django.contrib.auth.decorators import login_required
from django.db.models import Count

from buyable.models import Purchase, Buyable

@login_required
def startpage(request):
	''' Diese Funktion wird wahrscheinlich viel Last erzeugen, da 
	sie ueber mehrere Tabellen joined,filtered und wieder reduced.
	'''
	allMost = Purchase.objects.filter(isDeposit=False).values('buyable__name').annotate(num_buys=Count('buyable')).order_by('-num_buys')
	usersMost = Purchase.objects.filter(isDeposit=False).values('buyable__name').filter(order__user=request.user.id).annotate(num_buys=Count('buyable')).order_by('-num_buys')
	usersLast = Purchase.objects.filter(isDeposit=False).values('buyable__name').filter(order__user=request.user.id).order_by('-order__dateTime')
	return render_to_response("main/startpage.html", {'allMost' : allMost,'usersMost': usersMost, 'usersLast' : usersLast}, RequestContext(request))

def register(request):
	return render_to_response("registration/register.html", RequestContext(request))

@login_required
def settings(request):
	return render_to_response("settings/settings.html", RequestContext(request))