karmaworld/apps/notes/views.py

   1 #!/usr/bin/env python
   2 # -*- coding:utf8 -*-
   3 # Copyright (C) 2012  FinalsClub Foundation
   4
   5 from django.http import HttpResponse
   6 from django.views.generic import DetailView
   7 from django.views.generic import FormView
   8 from django.views.generic import View
   9 from django.views.generic.detail import SingleObjectMixin
  10 from django.shortcuts import get_object_or_404
  11
  12 from karmaworld.apps.notes.models import Note
  13 from karmaworld.apps.notes.forms import NoteForm
  14
  15
  16 class NoteDetailView(DetailView):
  17     """ Class-based view for the note html page """
  18     model = Note
  19     context_object_name = u"note" # name passed to template
  20
  21
  22 class NoteSaveView(FormView, SingleObjectMixin):
  23     """ Save a Note and then view the page,
  24         behaves the same as NoteDetailView, except for saving the
  25         NoteForm ModelForm
  26     """
  27     # TODO: implement def form_invalid for returning a form with input and error
  28     form_class = NoteForm
  29     model = Note
  30     template_name = 'notes/note_detail.html'
  31
  32     def get_context_data(self, **kwargs):
  33         context = {
  34             'object': self.get_object(),
  35         }
  36         return super(NoteSaveView, self).get_context_data(**context)
  37
  38     def get_success_url(self):
  39         """ On form submission success, redirect to what url """
  40         #TODO: redirect to note slug if possible (auto-slugify)
  41         return u'/{school_slug}/{course_slug}?url=/{school_slug}/{course_slug}/{pk}&name={name}&thankyou'.format(
  42                 school_slug=self.object.course.school.slug,
  43                 course_slug=self.object.course.slug,
  44                 pk=self.object.pk,
  45                 name=self.object.name
  46             )
  47
  48     def form_valid(self, form):
  49         """ Actions to take if the submitted form is valid
  50             namely, saving the new data to the existing note object
  51         """
  52         self.object = self.get_object()
  53         self.object.name = form.cleaned_data['name']
  54         self.object.desc = form.cleaned_data['desc']
  55         # use *arg expansion to pass tags a list of tags
  56         self.object.tags.add(*form.cleaned_data['tags'])
  57         self.object.save()
  58         return super(NoteSaveView, self).form_valid(form)
  59
  60
  61 class NoteView(View):
  62     """ Notes superclass that wraps http methods """
  63
  64     def get(self, request, *args, **kwargs):
  65         view = NoteDetailView.as_view()
  66         return view(request, *args, **kwargs)
  67
  68     def post(self, request, *args, **kwargs):
  69         view = NoteSaveView.as_view()
  70         return view(request, *args, **kwargs)
  71
  72
  73 class RawNoteDetailView(DetailView):
  74     """ Class-based view for the raw note html for iframes """
  75     template_name = u'notes/note_raw.html'
  76     context_object_name = u"note"
  77     model = Note
  78
  79
  80 def raw_file(request, pk):
  81     """ Display the raw html from a Note object for embedding in an iframe """
  82     note = get_object_or_404(Note, pk=pk)
  83     return HttpResponse(note.html)