tags wired to pictures
[wolnelektury.git] / apps / picture / views.py
1
2 from django.contrib.auth.decorators import permission_required
3 from django.utils.datastructures import SortedDict
4 from django.shortcuts import render_to_response, get_object_or_404
5 from django.template import RequestContext
6 from django.core.paginator import Paginator
7 from picture.models import Picture
8
9 # was picture/picture_list.html list (without thumbs)
10 def picture_list(request, filter=None, get_filter=None, template_name='catalogue/picture_list.html', cache_key=None, context=None):
11     """ generates a listing of all books, optionally filtered with a test function """
12
13     if get_filter:
14         filt = get_filter()
15     pictures_by_author, orphans = Picture.picture_list(filt)
16     books_nav = SortedDict()
17     for tag in pictures_by_author:
18         if pictures_by_author[tag]:
19             books_nav.setdefault(tag.sort_key[0], []).append(tag)
20
21     return render_to_response(template_name, locals(),
22         context_instance=RequestContext(request))
23
24
25 def picture_list_thumb(request, filter=None, get_filter=None, template_name='picture/picture_list_thumb.html', cache_key=None, context=None):
26     book_list = Picture.objects.all()
27     if filter:
28         book_list = book_list.filter(filter)
29     if get_filter:
30         book_list = book_list.filter(get_filter())
31     return render_to_response(template_name, locals(),
32                               context_instance=RequestContext(request))
33
34 def picture_detail(request, slug):
35     picture = get_object_or_404(Picture, slug=slug)
36
37     categories = SortedDict()
38     for tag in picture.tags.iterator():
39         categories.setdefault(tag.category, []).append(tag)
40
41     picture_themes = []
42
43     return render_to_response("picture/picture_detail.html", locals(),
44                               context_instance=RequestContext(request))
45
46
47 def picture_viewer(request, slug):
48     picture = get_object_or_404(Picture, slug=slug)
49     
50     return render_to_response("picture/picture_viewer.html", locals(),
51                               context_instance=RequestContext(request))
52                               
53
54 # =========
55 # = Admin =
56 # =========
57 @permission_required('picture.add_picture')
58 def import_picture(request):
59     """docstring for import_book"""
60     from django.http import HttpResponse
61     from picture.forms import PictureImportForm
62     from django.utils.translation import ugettext as _
63
64     import_form = PictureImportForm(request.POST, request.FILES)
65     if import_form.is_valid():
66         try:
67             import_form.save()
68         except:
69             import sys
70             import pprint
71             import traceback
72             info = sys.exc_info()
73             exception = pprint.pformat(info[1])
74             tb = '\n'.join(traceback.format_tb(info[2]))
75             return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain')
76         return HttpResponse(_("Picture imported successfully"))
77     else:
78         return HttpResponse(_("Error importing file: %r") % import_form.errors)
79
80