X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6280673f35e13e75e81c5b7821bd2a44a1831eab..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/src/funding/views.py diff --git a/src/funding/views.py b/src/funding/views.py new file mode 100644 index 000000000..7c9adef46 --- /dev/null +++ b/src/funding/views.py @@ -0,0 +1,228 @@ +# -*- coding: utf-8 -*- +# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# +from django.core.paginator import Paginator, InvalidPage +from django.core.urlresolvers import reverse +from django.http import Http404 +from django.shortcuts import get_object_or_404, redirect, render +from django.views.decorators.csrf import csrf_exempt +from django.views.generic import TemplateView, FormView, ListView +from getpaid.models import Payment +from ssify import ssi_included +from ssify.utils import ssi_cache_control +from . import app_settings +from .forms import FundingForm +from .models import Offer, Spent, Funding + + +def mix(*streams): + substreams = [] + for stream, read_date, tag in streams: + iterstream = iter(stream) + try: + item = next(iterstream) + except StopIteration: + pass + else: + substreams.append([read_date(item), item, iterstream, read_date, tag]) + while substreams: + i, substream = max(enumerate(substreams), key=lambda x: x[1][0]) + yield substream[4], substream[1] + try: + item = next(substream[2]) + except StopIteration: + del substreams[i] + else: + substream[0:2] = [substream[3](item), item] + + +class WLFundView(TemplateView): + template_name = "funding/wlfund.html" + + def get_context_data(self): + def add_total(total, it): + for tag, e in it: + e.total = total + if tag == 'spent': + total += e.amount + else: + total -= e.wlfund + yield tag, e + + ctx = super(WLFundView, self).get_context_data() + offers = [] + + for o in Offer.past(): + if o.is_win(): + o.wlfund = o.sum() - o.target + if o.wlfund > 0: + offers.append(o) + else: + o.wlfund = o.sum() + if o.wlfund > 0: + offers.append(o) + amount = sum(o.wlfund for o in offers) - sum(o.amount for o in Spent.objects.all()) + + ctx['amount'] = amount + ctx['log'] = add_total(amount, mix( + (offers, lambda x: x.end, 'offer'), + (Spent.objects.all().select_related(), lambda x: x.timestamp, 'spent'), + )) + return ctx + + +class OfferDetailView(FormView): + form_class = FundingForm + template_name = "funding/offer_detail.html" + backend = 'getpaid.backends.payu' + + @csrf_exempt + def dispatch(self, request, slug=None): + if getattr(self, 'object', None) is None: + if slug: + self.object = get_object_or_404(Offer.public(), slug=slug) + else: + self.object = Offer.current() + if self.object is None: + raise Http404 + return super(OfferDetailView, self).dispatch(request, slug) + + def get_form(self, form_class): + if self.request.method == 'POST': + return form_class(self.object, self.request.POST) + else: + return form_class(self.object, initial={'amount': app_settings.DEFAULT_AMOUNT}) + + def get_context_data(self, *args, **kwargs): + ctx = super(OfferDetailView, self).get_context_data(*args, **kwargs) + ctx['object'] = self.object + ctx['page'] = self.request.GET.get('page', 1) + if self.object.is_current(): + ctx['funding_no_show_current'] = True + return ctx + + def form_valid(self, form): + funding = form.save() + # Skip getpaid.forms.PaymentMethodForm, go directly to the broker. + payment = Payment.create(funding, self.backend) + gateway_url_tuple = payment.get_processor()(payment).get_gateway_url(self.request) + payment.change_status('in_progress') + return redirect(gateway_url_tuple[0]) + + +class CurrentView(OfferDetailView): + @csrf_exempt + def dispatch(self, request, slug=None): + self.object = Offer.current() + if self.object is None: + return redirect(reverse('funding')) + elif slug != self.object.slug: + return redirect(reverse('funding_current', args=[self.object.slug])) + return super(CurrentView, self).dispatch(request, slug) + + +class OfferListView(ListView): + queryset = Offer.public() + + def get_context_data(self, *args, **kwargs): + ctx = super(OfferListView, self).get_context_data(*args, **kwargs) + ctx['funding_no_show_current'] = True + return ctx + + +class ThanksView(TemplateView): + template_name = "funding/thanks.html" + + def get_context_data(self, *args, **kwargs): + ctx = super(ThanksView, self).get_context_data(*args, **kwargs) + ctx['offer'] = Offer.current() + ctx['funding_no_show_current'] = True + return ctx + + +class NoThanksView(TemplateView): + template_name = "funding/no_thanks.html" + + +class DisableNotifications(TemplateView): + template_name = "funding/disable_notifications.html" + + @csrf_exempt + def dispatch(self, request): + self.object = get_object_or_404(Funding, + email=request.GET.get('email'), notify_key=request.GET.get('key')) + return super(DisableNotifications, self).dispatch(request) + + def post(self, *args, **kwargs): + self.object.disable_notifications() + return redirect(self.request.get_full_path()) + + +def offer_bar(request, pk, link=False, closeable=False, show_title=True, show_title_calling=True, add_class=""): + offer = get_object_or_404(Offer, pk=pk) + offer_sum = offer.sum() + + return render(request, "funding/includes/funding.html", { + 'offer': offer, + 'sum': offer_sum, + 'is_current': offer.is_current(), + 'is_win': offer_sum >= offer.target, + 'missing': offer.target - offer_sum, + 'percentage': 100 * offer_sum / offer.target, + 'link': link, + 'closeable': closeable, + 'show_title': show_title, + 'show_title_calling': show_title_calling, + 'add_class': add_class, + }) + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def top_bar(request, pk): + return offer_bar(request, pk, + link=True, closeable=True, add_class="funding-top-header") + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def list_bar(request, pk): + return offer_bar(request, pk, + link=True, show_title_calling=False) + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def detail_bar(request, pk): + return offer_bar(request, pk, + show_title=False) + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def offer_status(request, pk): + offer = get_object_or_404(Offer, pk=pk) + return render(request, "funding/includes/offer_status.html", { + 'offer': offer, + }) + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def offer_status_more(request, pk): + offer = get_object_or_404(Offer, pk=pk) + return render(request, "funding/includes/offer_status_more.html", { + 'offer': offer, + }) + + +@ssi_included(patch_response=[ssi_cache_control(must_revalidate=True)]) +def offer_fundings(request, pk, page): + offer = get_object_or_404(Offer, pk=pk) + fundings = offer.funding_payed() + paginator = Paginator(fundings, 10, 2) + try: + page_obj = paginator.page(int(page)) + except InvalidPage: + raise Http404 + return render(request, "funding/includes/fundings.html", { + "paginator": paginator, + "page_obj": page_obj, + "fundings": page_obj.object_list, + })