src/picture/views.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from django.conf import settings
   6 from django.contrib.auth.decorators import permission_required
   7 from django.shortcuts import render_to_response, get_object_or_404, render
   8 from django.template import RequestContext
   9 from picture.models import Picture, PictureArea
  10 from catalogue.utils import split_tags
  11 from ssify import ssi_included
  12 from sponsors.models import Sponsor
  13
  14
  15 # WTF/unused
  16 # # was picture/picture_list.html list (without thumbs)
  17 # def picture_list(request, filter=None, get_filter=None, template_name='catalogue/picture_list.html',
  18 #                  cache_key=None, context=None):
  19 #     """ generates a listing of all books, optionally filtered with a test function """
  20 #
  21 #     if get_filter:
  22 #         filt = get_filter()
  23 #     pictures_by_author, orphans = Picture.picture_list(filt)
  24 #     books_nav = OrderedDict()
  25 #     for tag in pictures_by_author:
  26 #         if pictures_by_author[tag]:
  27 #             books_nav.setdefault(tag.sort_key[0], []).append(tag)
  28 #
  29 #     return render_to_response(template_name, locals(), context_instance=RequestContext(request))
  30 from wolnelektury.utils import ajax
  31
  32
  33 def picture_list_thumb(request, filter=None, get_filter=None, template_name='picture/picture_list_thumb.html',
  34                        cache_key=None, context=None):
  35     book_list = Picture.objects.all()
  36     if filter:
  37         book_list = book_list.filter(filter)
  38     if get_filter:
  39         book_list = book_list.filter(get_filter())
  40     book_list = book_list.order_by('sort_key_author')
  41     book_list = list(book_list)
  42     return render_to_response(template_name, {'book_list': book_list}, context_instance=RequestContext(request))
  43
  44
  45 def picture_detail(request, slug):
  46     picture = get_object_or_404(Picture, slug=slug)
  47
  48     theme_things = split_tags(picture.related_themes())
  49
  50     # categories = SortedDict()
  51     # for tag in picture.tags.iterator():
  52     #     categories.setdefault(tag.category, []).append(tag)
  53
  54     return render_to_response("picture/picture_detail.html", {
  55         'picture': picture,
  56         'themes': theme_things.get('theme', []),
  57         'things': theme_things.get('thing', []),
  58     }, context_instance=RequestContext(request))
  59
  60
  61 def picture_viewer(request, slug):
  62     picture = get_object_or_404(Picture, slug=slug)
  63     sponsors = []
  64     for sponsor in picture.extra_info.get('sponsors', []):
  65         have_sponsors = Sponsor.objects.filter(name=sponsor)
  66         if have_sponsors.exists():
  67             sponsors.append(have_sponsors[0])
  68     return render_to_response("picture/picture_viewer.html", {
  69         'picture': picture,
  70         'sponsors': sponsors,
  71     }, context_instance=RequestContext(request))
  72
  73
  74 @ajax(method='get')
  75 def picture_page(request, key=None):
  76     pictures = Picture.objects.order_by('-id')
  77     if key is not None:
  78         pictures = pictures.filter(id__lt=key)
  79     pictures = pictures[:settings.PICTURE_PAGE_SIZE]
  80     picture_data = [
  81         {
  82             'id': picture.id,
  83             'title': picture.title,
  84             'author': picture.author_unicode(),
  85             'image_url': picture.image_file.url,
  86             'width': picture.width,
  87             'height': picture.height,
  88         }
  89         for picture in pictures
  90     ]
  91     return {
  92         'pictures': picture_data,
  93         'count': Picture.objects.count(),
  94     }
  95
  96
  97 # =========
  98 # = Admin =
  99 # =========
 100 @permission_required('picture.add_picture')
 101 def import_picture(request):
 102     """docstring for import_book"""
 103     from django.http import HttpResponse
 104     from picture.forms import PictureImportForm
 105     from django.utils.translation import ugettext as _
 106
 107     import_form = PictureImportForm(request.POST, request.FILES)
 108     if import_form.is_valid():
 109         try:
 110             import_form.save()
 111         except:
 112             import sys
 113             import pprint
 114             import traceback
 115             info = sys.exc_info()
 116             exception = pprint.pformat(info[1])
 117             tb = '\n'.join(traceback.format_tb(info[2]))
 118             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") %
 119                                 {'exception': exception, 'tb': tb}, mimetype='text/plain')
 120         return HttpResponse(_("Picture imported successfully"))
 121     else:
 122         return HttpResponse(_("Error importing file: %r") % import_form.errors)
 123
 124
 125 @ssi_included
 126 def picture_mini(request, pk, with_link=True):
 127     picture = get_object_or_404(Picture, pk=pk)
 128     author_str = ", ".join(tag.name for tag in picture.tags.filter(category='author'))
 129     return render(request, 'picture/picture_mini_box.html', {
 130         'picture': picture,
 131         'author_str': author_str,
 132         'with_link': with_link,
 133     })
 134
 135
 136 @ssi_included
 137 def picture_short(request, pk):
 138     picture = get_object_or_404(Picture, pk=pk)
 139
 140     return render(request, 'picture/picture_short.html', {
 141         'picture': picture,
 142         'main_link': picture.get_absolute_url(),
 143         'request': request,
 144         'tags': split_tags(picture.tags),
 145         })
 146
 147
 148 @ssi_included
 149 def picturearea_short(request, pk):
 150     area = get_object_or_404(PictureArea, pk=pk)
 151     themes = area.tags.filter(category='theme')
 152     things = area.tags.filter(category='thing')
 153     return render(request, 'picture/picturearea_short.html', {
 154         'area': area,
 155         'theme': themes[0] if themes else None,
 156         'thing': things[0] if things else None,
 157     })