src/picture/views.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from django.conf import settings
   5 from django.contrib.auth.decorators import permission_required
   6 from django.shortcuts import render, get_object_or_404, render
   7 from picture.models import Picture
   8 from catalogue.utils import split_tags
   9 from sponsors.models import Sponsor
  10 from wolnelektury.utils import ajax
  11
  12
  13 def picture_list_thumb(request, filter=None, get_filter=None, template_name='picture/picture_list_thumb.html',
  14                        cache_key=None, context=None):
  15     pictures = Picture.objects.all()
  16     if filter:
  17         pictures = pictures.filter(filter)
  18     if get_filter:
  19         pictures = pictures.filter(get_filter())
  20     return render(request, template_name, {'picture_list': list(pictures)})
  21
  22
  23 def picture_detail(request, slug):
  24     picture = get_object_or_404(Picture, slug=slug)
  25
  26     theme_things = split_tags(picture.related_themes())
  27
  28     return render(request, "picture/picture_detail.html", {
  29         'picture': picture,
  30         'themes': theme_things.get('theme', []),
  31         'things': theme_things.get('thing', []),
  32         'active_menu_item': 'gallery',
  33     })
  34
  35
  36 def picture_viewer(request, slug):
  37     picture = get_object_or_404(Picture, slug=slug)
  38     sponsors = []
  39     for sponsor in picture.get_extra_info_json().get('sponsors', []):
  40         have_sponsors = Sponsor.objects.filter(name=sponsor)
  41         if have_sponsors.exists():
  42             sponsors.append(have_sponsors[0])
  43     return render(request, "picture/picture_viewer.html", {
  44         'picture': picture,
  45         'sponsors': sponsors,
  46     })
  47
  48
  49 @ajax(method='get')
  50 def picture_page(request, key=None):
  51     pictures = Picture.objects.order_by('-id')
  52     if key is not None:
  53         pictures = pictures.filter(id__lt=key)
  54     pictures = pictures[:settings.PICTURE_PAGE_SIZE]
  55     picture_data = [
  56         {
  57             'id': picture.id,
  58             'title': picture.title,
  59             'author': picture.author_unicode(),
  60             'epoch': picture.tag_unicode('epoch'),
  61             'kind': picture.tag_unicode('kind'),
  62             'genre': picture.tag_unicode('genre'),
  63             'style': picture.get_extra_info_json()['style'],
  64             'image_url': picture.image_file.url,
  65             'width': picture.width,
  66             'height': picture.height,
  67         }
  68         for picture in pictures
  69     ]
  70     return {
  71         'pictures': picture_data,
  72         'count': Picture.objects.count(),
  73     }
  74
  75
  76 # =========
  77 # = Admin =
  78 # =========
  79 @permission_required('picture.add_picture')
  80 def import_picture(request):
  81     """docstring for import_book"""
  82     from django.http import HttpResponse
  83     from picture.forms import PictureImportForm
  84     from django.utils.translation import gettext as _
  85
  86     import_form = PictureImportForm(request.POST, request.FILES)
  87     if import_form.is_valid():
  88         try:
  89             import_form.save()
  90         except:
  91             import sys
  92             import pprint
  93             import traceback
  94             info = sys.exc_info()
  95             exception = pprint.pformat(info[1])
  96             tb = '\n'.join(traceback.format_tb(info[2]))
  97             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") %
  98                                 {'exception': exception, 'tb': tb}, content_type='text/plain')
  99         return HttpResponse(_("Picture imported successfully"))
 100     else:
 101         return HttpResponse(_("Error importing file: %r") % import_form.errors)