views.py
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from django.shortcuts import get_object_or_404, redirect, render
from django.views import generic
from django.contrib import messages
from django.core.urlresolvers import reverse, reverse_lazy
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.mixins import LoginRequiredMixin
from amadeus.permissions import has_subject_permissions
from topics.models import Topic
from .forms import WebpageForm, InlinePendenciesFormset
from .models import Webpage
class NewWindowView(LoginRequiredMixin, generic.DetailView):
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'webpages/window_view.html'
model = Webpage
context_object_name = 'webpage'
class InsideView(LoginRequiredMixin, generic.DetailView):
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'webpages/view.html'
model = Webpage
context_object_name = 'webpage'
def get_context_data(self, **kwargs):
context = super(InsideView, self).get_context_data(**kwargs)
context['title'] = self.object.name
context['topic'] = self.object.topic
context['subject'] = self.object.topic.subject
return context
class CreateView(LoginRequiredMixin, generic.edit.CreateView):
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'webpages/create.html'
form_class = WebpageForm
def dispatch(self, request, *args, **kwargs):
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
if not has_subject_permissions(request.user, topic.subject):
return redirect(reverse_lazy('subjects:home'))
return super(CreateView, self).dispatch(request, *args, **kwargs)
def get(self, request, *args, **kwargs):
self.object = None
form_class = self.get_form_class()
form = self.get_form(form_class)
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
pendencies_form = InlinePendenciesFormset(initial = [{'subject': topic.subject}])
return self.render_to_response(self.get_context_data(form = form, pendencies_form = pendencies_form))
def post(self, request, *args, **kwargs):
self.object = None
form_class = self.get_form_class()
form = self.get_form(form_class)
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
pendencies_form = InlinePendenciesFormset(self.request.POST, initial = [{'subject': topic.subject}])
if (form.is_valid() and pendencies_form.is_valid()):
return self.form_valid(form, pendencies_form)
else:
return self.form_invalid(form, pendencies_form)
def get_initial(self):
initial = super(CreateView, self).get_initial()
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
initial['subject'] = topic.subject
return initial
def form_invalid(self, form, pendencies_form):
return self.render_to_response(self.get_context_data(form = form, pendencies_form = pendencies_form))
def form_valid(self, form, pendencies_form):
self.object = form.save(commit = False)
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
self.object.topic = topic
self.object.order = topic.resource_topic.count() + 1
self.object.save()
pendencies_form.instance = self.object
pendencies_form.save()
return redirect(self.get_success_url())
def get_context_data(self, **kwargs):
context = super(CreateView, self).get_context_data(**kwargs)
context['title'] = _('Create Webpage')
slug = self.kwargs.get('slug', '')
topic = get_object_or_404(Topic, slug = slug)
context['topic'] = topic
context['subject'] = topic.subject
return context
def get_success_url(self):
messages.success(self.request, _('The Webpage "%s" was added to the Topic "%s" of the virtual environment "%s" successfully!')%(self.object.name, self.object.topic.name, self.object.topic.subject.name))
success_url = reverse_lazy('webpages:view', kwargs = {'slug': self.object.slug})
if self.object.show_window:
self.request.session['resources'] = {}
self.request.session['resources']['new_page'] = True
self.request.session['resources']['new_page_url'] = reverse('webpages:window_view', kwargs = {'slug': self.object.slug})
success_url = reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})
return success_url