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     if request.EXPERIMENTS['layout'].value:
  29         template_name = 'picture/2022/picture_detail.html'
  30     else:
  31         template_name = 'picture/picture_detail.html'
  32
  33     return render(request, template_name, {
  34         'picture': picture,
  35         'themes': theme_things.get('theme', []),
  36         'things': theme_things.get('thing', []),
  37         'active_menu_item': 'gallery',
  38     })
  39
  40
  41 def picture_viewer(request, slug):
  42     picture = get_object_or_404(Picture, slug=slug)
  43     sponsors = []
  44     for sponsor in picture.get_extra_info_json().get('sponsors', []):
  45         have_sponsors = Sponsor.objects.filter(name=sponsor)
  46         if have_sponsors.exists():
  47             sponsors.append(have_sponsors[0])
  48     return render(request, "picture/picture_viewer.html", {
  49         'picture': picture,
  50         'sponsors': sponsors,
  51     })
  52
  53
  54 @ajax(method='get')
  55 def picture_page(request, key=None):
  56     pictures = Picture.objects.order_by('-id')
  57     if key is not None:
  58         pictures = pictures.filter(id__lt=key)
  59     pictures = pictures[:settings.PICTURE_PAGE_SIZE]
  60     picture_data = [
  61         {
  62             'id': picture.id,
  63             'title': picture.title,
  64             'author': picture.author_unicode(),
  65             'epoch': picture.tag_unicode('epoch'),
  66             'kind': picture.tag_unicode('kind'),
  67             'genre': picture.tag_unicode('genre'),
  68             'style': picture.get_extra_info_json()['style'],
  69             'image_url': picture.image_file.url,
  70             'width': picture.width,
  71             'height': picture.height,
  72         }
  73         for picture in pictures
  74     ]
  75     return {
  76         'pictures': picture_data,
  77         'count': Picture.objects.count(),
  78     }
  79
  80
  81 # =========
  82 # = Admin =
  83 # =========
  84 @permission_required('picture.add_picture')
  85 def import_picture(request):
  86     """docstring for import_book"""
  87     from django.http import HttpResponse
  88     from picture.forms import PictureImportForm
  89     from django.utils.translation import gettext as _
  90
  91     import_form = PictureImportForm(request.POST, request.FILES)
  92     if import_form.is_valid():
  93         try:
  94             import_form.save()
  95         except:
  96             import sys
  97             import pprint
  98             import traceback
  99             info = sys.exc_info()
 100             exception = pprint.pformat(info[1])
 101             tb = '\n'.join(traceback.format_tb(info[2]))
 102             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") %
 103                                 {'exception': exception, 'tb': tb}, content_type='text/plain')
 104         return HttpResponse(_("Picture imported successfully"))
 105     else:
 106         return HttpResponse(_("Error importing file: %r") % import_form.errors)