karmaworld/apps/notes/views.py

   1 #!/usr/bin/env python
   2 # -*- coding:utf8 -*-
   3 # Copyright (C) 2012  FinalsClub Foundation
   4
   5 from django.contrib.sites.models import Site
   6 from django.http import HttpResponse
   7 from django.views.generic import DetailView
   8 from django.views.generic import FormView
   9 from django.views.generic import View
  10 from django.views.generic import TemplateView
  11 from django.views.generic.detail import SingleObjectMixin
  12 from django.shortcuts import get_object_or_404
  13
  14 from karmaworld.apps.notes.models import Note
  15 from karmaworld.apps.notes.forms import NoteForm
  16
  17
  18 class NoteDetailView(DetailView):
  19     """ Class-based view for the note html page """
  20     model = Note
  21     context_object_name = u"note" # name passed to template
  22
  23     def get_context_data(self, **kwargs):
  24         """ add the hostname to the PDF embed for PDF.js
  25             from the Sites admin database record """
  26         kwargs = {
  27             'hostname': Site.objects.get_current()
  28         }
  29         return super(NoteDetailView, self).get_context_data(**kwargs)
  30
  31
  32 class NoteSaveView(FormView, SingleObjectMixin):
  33     """ Save a Note and then view the page,
  34         behaves the same as NoteDetailView, except for saving the
  35         NoteForm ModelForm
  36     """
  37     form_class = NoteForm
  38     model = Note
  39     template_name = 'notes/note_detail.html'
  40
  41     def get_context_data(self, **kwargs):
  42         context = {
  43             'object': self.get_object(),
  44         }
  45         print "get context for NoteSaveView"
  46         return super(NoteSaveView, self).get_context_data(**context)
  47
  48     def get_success_url(self):
  49         """ On form submission success, redirect to what url """
  50         #TODO: redirect to note slug if possible (auto-slugify)
  51         return u'/{school_slug}/{course_slug}?url=/{school_slug}/{course_slug}/{pk}&name={name}&thankyou'.format(
  52                 school_slug=self.object.course.school.slug,
  53                 course_slug=self.object.course.slug,
  54                 pk=self.object.pk,
  55                 name=self.object.name
  56             )
  57
  58     def form_valid(self, form):
  59         """ Actions to take if the submitted form is valid
  60             namely, saving the new data to the existing note object
  61         """
  62         self.object = self.get_object()
  63         if len(form.cleaned_data['name'].strip()) > 0:
  64             self.object.name = form.cleaned_data['name']
  65         self.object.year = form.cleaned_data['year']
  66         # use *arg expansion to pass tags a list of tags
  67         self.object.tags.add(*form.cleaned_data['tags'])
  68         self.object.save()
  69         return super(NoteSaveView, self).form_valid(form)
  70
  71     def form_invalid(self, form):
  72         """ Do stuff when the form is invalid !!! TODO """
  73         # TODO: implement def form_invalid for returning a form with input and error
  74         print "running form_invalid"
  75         print form
  76         print form.errors
  77
  78
  79 class NoteView(View):
  80     """ Notes superclass that wraps http methods """
  81
  82     def get(self, request, *args, **kwargs):
  83         view = NoteDetailView.as_view()
  84         return view(request, *args, **kwargs)
  85
  86     def post(self, request, *args, **kwargs):
  87         view = NoteSaveView.as_view()
  88         return view(request, *args, **kwargs)
  89
  90
  91 class RawNoteDetailView(DetailView):
  92     """ Class-based view for the raw note html for iframes """
  93     template_name = u'notes/note_raw.html'
  94     context_object_name = u"note"
  95     model = Note
  96
  97 class PDFView(TemplateView):
  98     """ A testing view to render a PDF """
  99     template_name = u'partial/pdfembed.html'
 100