chloro/phyll/views.py

   1 # chloro - personal space
   2 # Copyright (C) 2019  Frederic Peters
   3 #
   4 # This program is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published
   6 # by the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 import urllib.parse
  18
  19 from django.conf import settings
  20 from django.contrib.syndication.views import Feed
  21 from django.core.exceptions import PermissionDenied
  22 from django.http import Http404
  23 from django.utils.feedgenerator import Atom1Feed
  24 from django.views.generic import CreateView, DeleteView, DetailView, ListView, UpdateView, TemplateView
  25
  26 from .models import Note
  27
  28
  29 class NoteView(DetailView):
  30     model = Note
  31
  32     def get(self, request, *args, **kwargs):
  33         note = self.get_object()
  34         if kwargs.get('year'):
  35             # check date does match
  36             creation = self.get_object().creation_timestamp
  37             if (creation.year, creation.month, creation.day) != (
  38                 int(kwargs['year']),
  39                 int(kwargs['month']),
  40                 int(kwargs['day']),
  41             ):
  42                 raise Http404()
  43         if not note.published and not request.user.is_staff:
  44             raise PermissionDenied()
  45         return super(NoteView, self).get(request, *args, **kwargs)
  46
  47
  48 class NoteEditView(UpdateView):
  49     model = Note
  50     fields = ['title', 'slug', 'text', 'tags', 'published']
  51
  52
  53 class NoteAddView(CreateView):
  54     model = Note
  55     fields = ['title', 'slug', 'text', 'tags', 'published']
  56
  57
  58 class NoteDeleteView(DeleteView):
  59     model = Note
  60
  61     def get_success_url(self):
  62         return '/'
  63
  64
  65 class HomeView(TemplateView):
  66     template_name = 'phyll/home.html'
  67
  68
  69 class ListOnTagView(ListView):
  70     model = Note
  71
  72     def get_queryset(self):
  73         qs = Note.objects.filter(tags__name__in=[self.kwargs['tag']])
  74         if not self.request.user.is_staff:
  75             qs = qs.filter(published=True)
  76         return qs
  77
  78
  79 class Atom1FeedWithBaseXml(Atom1Feed):
  80     def root_attributes(self):
  81         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
  82         scheme, netloc, path, params, query, fragment = urllib.parse.urlparse(self.feed['feed_url'])
  83         root_attributes['xml:base'] = urllib.parse.urlunparse((scheme, netloc, '/', params, query, fragment))
  84         return root_attributes
  85
  86
  87 class AtomFeed(Feed):
  88     title = settings.SITE_TITLE
  89     link = '/'
  90     feed_type = Atom1FeedWithBaseXml
  91     author_name = settings.SITE_AUTHOR
  92
  93     def get_object(self, request, *args, **kwargs):
  94         self.sub = kwargs.get('sub', 'default')
  95         return super(AtomFeed, self).get_object(request, *args, **kwargs)
  96
  97     def items(self):
  98         qs = Note.objects.filter(published=True)
  99         if self.sub == 'default':
 100             pass
 101         elif self.sub == 'gnome-en':
 102             qs = qs.filter(tags__name__in=['gnome']).filter(tags__name__in=['lang-en'])
 103         else:
 104             qs = qs.filter(tags__name__in=[self.sub])
 105         return qs.select_related()[:20]
 106
 107     def item_description(self, item):
 108         return item.text
 109
 110     def item_guid(self, item):
 111         legacy_id = None
 112         for tag in item.tags.all():
 113             if tag.name.startswith('old-post-id-'):
 114                 return 'http://www.0d.be/posts/%s' % tag.name.split('-')[-1]
 115         return 'https://www.0d.be' + item.get_absolute_url()
 116
 117     def item_title(self, item):
 118         return item.title
 119
 120     def item_pubdate(self, item):
 121         return item.creation_timestamp