apps/funding/views.py

   1 # Create your views here.
   2 from django.views.generic import TemplateView
   3 from .models import Offer
   4
   5
   6 def mix(*streams):
   7     substreams = []
   8     for stream, read_date in streams:
   9         iterstream = iter(stream)
  10         try:
  11             item = next(iterstream)
  12         except StopIteration:
  13             pass
  14         else:
  15             substreams.append([read_date(item), item, iterstream, read_date])
  16     while substreams:
  17         i, substream = max(enumerate(substreams), key=lambda x: x[0])
  18         yield substream[1]
  19         try:
  20             item = next(substream[2])
  21         except StopIteration:
  22             del substreams[i]
  23         else:
  24             substream[0:2] = [substream[3](item), item]
  25
  26
  27 class WLFundView(TemplateView):
  28     template_name = "funding/wlfund.html"
  29
  30     def get_context_data(self):
  31         ctx = super(WLFundView, self).get_context_data()
  32         offers = [o for o in Offer.objects.all() if o.state() == 'lose' and o.sum()]
  33         amount = sum(o.sum() for o in offers)
  34         print offers
  35
  36         #offers = (o for o in Offer.objects.all() if o.state() == 'lose' and o.sum())
  37         ctx['amount'] = amount
  38         ctx['log'] = mix((offers, lambda x: x.end))
  39         return ctx