# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
import tempfile
import zipfile
+import sys
+import pprint
+import traceback
from django.template import RequestContext
from django.shortcuts import render_to_response, get_object_or_404
from django.http import HttpResponse, HttpResponseRedirect, Http404
from django.core.urlresolvers import reverse
from django.db.models import Q
-from django.contrib.auth.decorators import login_required
+from django.contrib.auth.decorators import login_required, user_passes_test
from django.utils.datastructures import SortedDict
from django.views.decorators.http import require_POST
from django.contrib import auth
from newtagging import views as newtagging_views
+staff_required = user_passes_test(lambda user: user.is_staff)
+
+
class LazyEncoder(simplejson.JSONEncoder):
def default(self, obj):
if isinstance(obj, Promise):
queryset_or_model=model,
tags=tags,
template_name='catalogue/tagged_object_list.html',
- extra_context = {'categories': categories, 'shelf_is_set': shelf_is_set, 'user_is_owner': user_is_owner },
+ extra_context = {
+ 'categories': categories,
+ 'shelf_is_set': shelf_is_set,
+ 'user_is_owner': user_is_owner,
+ 'formats_form': forms.DownloadFormatsForm(),
+ },
)
book_children = book.children.all().order_by('parent_number')
extra_where = 'catalogue_tag.category = "theme"'
book_themes = models.Tag.objects.related_for_model(book_tag, models.Fragment, counts=True, extra={'where': [extra_where]})
+ extra_info = book.get_extra_info_value()
form = forms.SearchForm()
return render_to_response('catalogue/book_detail.html', locals(),
return HttpResponse('Usunieto')
+def collect_books(books):
+ """
+ Returns all real books in collection.
+ """
+ result = []
+ for book in books:
+ if len(book.children.all()) == 0:
+ result.append(book)
+ else:
+ result += collect_books(book.children.all())
+ return result
+
+
@cache.never_cache
def download_shelf(request, slug):
""""
be used for large dynamic PDF files.
"""
shelf = get_object_or_404(models.Tag, slug=slug, category='set')
-
+
+ formats = []
+ form = forms.DownloadFormatsForm(request.GET)
+ if form.is_valid():
+ formats = form.cleaned_data['formats']
+ if len(formats) == 0:
+ formats = ['pdf', 'odt', 'txt', 'mp3', 'ogg']
+
# Create a ZIP archive
temp = temp = tempfile.TemporaryFile()
archive = zipfile.ZipFile(temp, 'w')
- # Collect all books to include in ZIP archive
- def collect_books(books):
- result = []
- for book in books:
- if len(book.children.all()) == 0:
- result.append(book)
- else:
- result += collect_books(book.children.all())
- return result
-
for book in collect_books(models.Book.tagged.with_all(shelf)):
- if book.pdf_file:
+ if 'pdf' in formats and book.pdf_file:
filename = book.pdf_file.path
archive.write(filename, str('%s.pdf' % book.slug))
- if book.odt_file:
+ if 'odt' in formats and book.odt_file:
filename = book.odt_file.path
archive.write(filename, str('%s.odt' % book.slug))
- if book.txt_file:
+ if 'txt' in formats and book.txt_file:
filename = book.txt_file.path
archive.write(filename, str('%s.txt' % book.slug))
+ if 'mp3' in formats and book.mp3_file:
+ filename = book.mp3_file.path
+ archive.write(filename, str('%s.mp3' % book.slug))
+ if 'ogg' in formats and book.ogg_file:
+ filename = book.ogg_file.path
+ archive.write(filename, str('%s.ogg' % book.slug))
archive.close()
response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
return response
+@cache.never_cache
+def shelf_book_formats(request, shelf):
+ """"
+ Returns a list of formats of books in shelf.
+ """
+ shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
+
+ formats = {'pdf': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False}
+
+ for book in collect_books(models.Book.tagged.with_all(shelf)):
+ if book.pdf_file:
+ formats['pdf'] = True
+ if book.odt_file:
+ formats['odt'] = True
+ if book.txt_file:
+ formats['txt'] = True
+ if book.mp3_file:
+ formats['mp3'] = True
+ if book.ogg_file:
+ formats['ogg'] = True
+
+ return HttpResponse(LazyEncoder().encode(formats))
+
+
@login_required
@require_POST
@cache.never_cache
auth.logout(request)
return HttpResponseRedirect(request.GET.get('next', '/'))
+
+
+# =========
+# = Admin =
+# =========
+@login_required
+@staff_required
+def import_book(request):
+ """docstring for import_book"""
+ book_import_form = forms.BookImportForm(request.POST, request.FILES)
+ if book_import_form.is_valid():
+ try:
+ book_import_form.save()
+ except:
+ info = sys.exc_info()
+ exception = pprint.pformat(info[1])
+ tb = '\n'.join(traceback.format_tb(info[2]))
+ return HttpResponse("An error occurred: %s\n\n%s" % (exception, tb), mimetype='text/plain')
+ return HttpResponse("Book imported successfully")
+ else:
+ return HttpResponse("Error importing file: %r" % book_import_form.errors)
\ No newline at end of file