# 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 tarfile
-import sys
-import pprint
-import traceback
import re
import itertools
from datetime import datetime
from django.views.decorators.http import require_POST
from django.contrib import auth
from django.contrib.auth.forms import UserCreationForm, AuthenticationForm
-from django.utils import simplejson
-from django.utils.functional import Promise
-from django.utils.encoding import force_unicode
from django.utils.http import urlquote_plus
from django.views.decorators import cache
from django.utils import translation
from django.utils.translation import ugettext as _
from django.views.generic.list_detail import object_list
+from ajaxable.utils import LazyEncoder, JSONResponse
from catalogue import models
from catalogue import forms
-from catalogue.utils import split_tags
-from newtagging import views as newtagging_views
+from catalogue.utils import split_tags, AttachmentHttpResponse, async_build_pdf
+from catalogue.tasks import touch_tag
from pdcounter import models as pdcounter_models
from pdcounter import views as pdcounter_views
from suggest.forms import PublishingSuggestForm
-from slughifi import slughifi
+from os import path
staff_required = user_passes_test(lambda user: user.is_staff)
-class LazyEncoder(simplejson.JSONEncoder):
- def default(self, obj):
- if isinstance(obj, Promise):
- return force_unicode(obj)
- return obj
-
-# shortcut for JSON reponses
-class JSONResponse(HttpResponse):
- def __init__(self, data={}, callback=None, **kwargs):
- # get rid of mimetype
- kwargs.pop('mimetype', None)
- data = simplejson.dumps(data)
- if callback:
- data = callback + "(" + data + ");"
- super(JSONResponse, self).__init__(data, mimetype="application/json", **kwargs)
-
-
-def main_page(request):
- if request.user.is_authenticated():
- shelves = models.Tag.objects.filter(category='set', user=request.user)
- new_set_form = forms.NewSetForm()
-
- tags = models.Tag.objects.exclude(category__in=('set', 'book'))
+def catalogue(request):
+ tags = models.Tag.objects.exclude(
+ category__in=('set', 'book')).exclude(book_count=0)
+ tags = list(tags)
for tag in tags:
- tag.count = tag.get_count()
+ tag.count = tag.book_count
categories = split_tags(tags)
fragment_tags = categories.get('theme', [])
- form = forms.SearchForm()
- return render_to_response('catalogue/main_page.html', locals(),
+ return render_to_response('catalogue/catalogue.html', locals(),
context_instance=RequestContext(request))
def book_list(request, filter=None, template_name='catalogue/book_list.html'):
""" generates a listing of all books, optionally filtered with a test function """
- form = forms.SearchForm()
-
- books_by_parent = {}
- books = models.Book.objects.all().order_by('parent_number', 'sort_key').only('title', 'parent', 'slug')
- if filter:
- books = books.filter(filter).distinct()
- book_ids = set((book.pk for book in books))
- for book in books:
- parent = book.parent_id
- if parent not in book_ids:
- parent = None
- books_by_parent.setdefault(parent, []).append(book)
- else:
- for book in books:
- books_by_parent.setdefault(book.parent_id, []).append(book)
-
- orphans = []
- books_by_author = SortedDict()
+ books_by_author, orphans, books_by_parent = models.Book.book_list(filter)
books_nav = SortedDict()
- for tag in models.Tag.objects.filter(category='author'):
- books_by_author[tag] = []
-
- for book in books_by_parent.get(None,()):
- authors = list(book.tags.filter(category='author'))
- if authors:
- for author in authors:
- books_by_author[author].append(book)
- else:
- orphans.append(book)
-
for tag in books_by_author:
if books_by_author[tag]:
books_nav.setdefault(tag.sort_key[0], []).append(tag)
)
-def book_fragments(request, book_slug, theme_slug):
- book = get_object_or_404(models.Book, slug=book_slug)
- book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug, category='book')
+def book_fragments(request, book, theme_slug):
+ kwargs = models.Book.split_urlid(book)
+ if kwargs is None:
+ raise Http404
+ book = get_object_or_404(models.Book, **kwargs)
+
+ book_tag = book.book_tag()
theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme')
fragments = models.Fragment.tagged.with_all([book_tag, theme])
- form = forms.SearchForm()
return render_to_response('catalogue/book_fragments.html', locals(),
context_instance=RequestContext(request))
-def book_detail(request, slug):
+def book_detail(request, book):
+ kwargs = models.Book.split_urlid(book)
+ if kwargs is None:
+ raise Http404
try:
- book = models.Book.objects.get(slug=slug)
+ book = models.Book.objects.get(**kwargs)
except models.Book.DoesNotExist:
- return pdcounter_views.book_stub_detail(request, slug)
-
+ return pdcounter_views.book_stub_detail(request, kwargs['slug'])
+
book_tag = book.book_tag()
tags = list(book.tags.filter(~Q(category='set')))
categories = split_tags(tags)
projects.add((project, meta.get('funded_by', '')))
projects = sorted(projects)
- form = forms.SearchForm()
+ custom_pdf_form = forms.CustomPDFForm()
return render_to_response('catalogue/book_detail.html', locals(),
context_instance=RequestContext(request))
-def book_text(request, slug):
- book = get_object_or_404(models.Book, slug=slug)
+def book_text(request, book):
+ kwargs = models.Book.split_fileid(book)
+ if kwargs is None:
+ raise Http404
+ book = get_object_or_404(models.Book, **kwargs)
+
if not book.has_html_file():
raise Http404
book_themes = {}
def find_best_matches(query, user=None):
- """ Finds a Book, Tag, BookStub or Author best matching a query.
+ """ Finds a models.Book, Tag, models.BookStub or Author best matching a query.
Returns a with:
- zero elements when nothing is found,
context_instance=RequestContext(request))
@cache.never_cache
-def book_sets(request, slug):
+def book_sets(request, book):
if not request.user.is_authenticated():
return HttpResponse(_('<p>To maintain your shelves you need to be logged in.</p>'))
- book = get_object_or_404(models.Book, slug=slug)
+ kwargs = models.Book.split_urlid(book)
+ if kwargs is None:
+ raise Http404
+ book = get_object_or_404(models.Book, **kwargs)
+
user_sets = models.Tag.objects.filter(category='set', user=request.user)
book_sets = book.tags.filter(category='set', user=request.user)
new_shelves = [models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']]
for shelf in [shelf for shelf in old_shelves if shelf not in new_shelves]:
- shelf.book_count = None
- shelf.save()
+ touch_tag(shelf)
for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]:
- shelf.book_count = None
- shelf.save()
+ touch_tag(shelf)
book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
if request.is_ajax():
@require_POST
@cache.never_cache
def remove_from_shelf(request, shelf, book):
- book = get_object_or_404(models.Book, slug=book)
+ kwargs = models.Book.split_urlid(book)
+ if kwargs is None:
+ raise Http404
+ book = get_object_or_404(models.Book, **kwargs)
+
shelf = get_object_or_404(models.Tag, slug=shelf, category='set', user=request.user)
if shelf in book.tags:
models.Tag.objects.remove_tag(book, shelf)
-
- shelf.book_count = None
- shelf.save()
+ touch_tag(shelf)
return HttpResponse(_('Book was successfully removed from the shelf'))
else:
without loading the whole file into memory. A similar approach can
be used for large dynamic PDF files.
"""
+ from slughifi import slughifi
+ import tempfile
+ import zipfile
+
shelf = get_object_or_404(models.Tag, slug=slug, category='set')
formats = []
if form.is_valid():
formats = form.cleaned_data['formats']
if len(formats) == 0:
- formats = ['pdf', 'epub', 'odt', 'txt']
+ formats = models.Book.ebook_formats
# Create a ZIP archive
temp = tempfile.TemporaryFile()
archive = zipfile.ZipFile(temp, 'w')
- already = set()
for book in collect_books(models.Book.tagged.with_all(shelf)):
- if 'pdf' in formats and book.pdf_file:
- filename = book.pdf_file.path
- archive.write(filename, str('%s.pdf' % book.slug))
- if book.root_ancestor not in already and 'epub' in formats and book.root_ancestor.epub_file:
- filename = book.root_ancestor.epub_file.path
- archive.write(filename, str('%s.epub' % book.root_ancestor.slug))
- already.add(book.root_ancestor)
- if 'odt' in formats and book.has_media("odt"):
- for file in book.get_media("odt"):
- filename = file.file.path
- archive.write(filename, str('%s.odt' % slughifi(file.name)))
- if 'txt' in formats and book.txt_file:
- filename = book.txt_file.path
- archive.write(filename, str('%s.txt' % book.slug))
+ fileid = book.fileid()
+ for ebook_format in models.Book.ebook_formats:
+ if ebook_format in formats and book.has_media(ebook_format):
+ filename = book.get_media(ebook_format).path
+ archive.write(filename, str('%s.%s' % (fileid, ebook_format)))
archive.close()
response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed')
"""
shelf = get_object_or_404(models.Tag, slug=shelf, category='set')
- formats = {'pdf': False, 'epub': False, 'odt': False, 'txt': False}
+ formats = {}
+ for ebook_format in models.Book.ebook_formats:
+ formats[ebook_format] = False
for book in collect_books(models.Book.tagged.with_all(shelf)):
- if book.pdf_file:
- formats['pdf'] = True
- if book.root_ancestor.epub_file:
- formats['epub'] = True
- if book.txt_file:
- formats['txt'] = True
- for format in ('odt',):
- if book.has_media(format):
- formats[format] = True
+ for ebook_format in models.Book.ebook_formats:
+ if book.has_media(ebook_format):
+ formats[ebook_format] = True
return HttpResponse(LazyEncoder().encode(formats))
return HttpResponseRedirect('/')
-# ==================
-# = Authentication =
-# ==================
-@require_POST
-@cache.never_cache
-def login(request):
- form = AuthenticationForm(data=request.POST, prefix='login')
- if form.is_valid():
- auth.login(request, form.get_user())
- response_data = {'success': True, 'errors': {}}
- else:
- response_data = {'success': False, 'errors': form.errors}
- return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
-
-
-@require_POST
-@cache.never_cache
-def register(request):
- registration_form = UserCreationForm(request.POST, prefix='registration')
- if registration_form.is_valid():
- user = registration_form.save()
- user = auth.authenticate(
- username=registration_form.cleaned_data['username'],
- password=registration_form.cleaned_data['password1']
- )
- auth.login(request, user)
- response_data = {'success': True, 'errors': {}}
- else:
- response_data = {'success': False, 'errors': registration_form.errors}
- return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
-
-
-@cache.never_cache
-def logout_then_redirect(request):
- auth.logout(request)
- return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?='))
-
-
-
# =========
# = Admin =
# =========
try:
book_import_form.save()
except:
+ import sys
+ import pprint
+ import traceback
info = sys.exc_info()
exception = pprint.pformat(info[1])
tb = '\n'.join(traceback.format_tb(info[2]))
return HttpResponse(_("Error importing file: %r") % book_import_form.errors)
-
-def clock(request):
- """ Provides server time for jquery.countdown,
- in a format suitable for Date.parse()
- """
- return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
-
-
# info views for API
def book_info(request, id, lang='pl'):
return HttpResponse(tag.description)
-def download_zip(request, format, slug):
+def download_zip(request, format, book=None):
+ kwargs = models.Book.split_fileid(book)
+
url = None
- if format == 'pdf':
- url = models.Book.zip_pdf()
- elif format == 'epub':
- url = models.Book.zip_epub()
- elif format == 'audiobook' and slug is not None:
- book = models.Book.objects.get(slug=slug)
+ if format in models.Book.ebook_formats:
+ url = models.Book.zip_format(format)
+ elif format == 'audiobook' and kwargs is not None:
+ book = get_object_or_404(models.Book, **kwargs)
url = book.zip_audiobooks()
else:
raise Http404('No format specified for zip package')
return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))
+
+
+def download_custom_pdf(request, book_fileid):
+ kwargs = models.Book.split_fileid(book_fileid)
+ if kwargs is None:
+ raise Http404
+ book = get_object_or_404(models.Book, **kwargs)
+
+ if request.method == 'GET':
+ form = forms.CustomPDFForm(request.GET)
+ if form.is_valid():
+ cust = form.customizations
+ pdf_file = models.get_customized_pdf_path(book, cust)
+
+ if not path.exists(pdf_file):
+ result = async_build_pdf.delay(book.id, cust, pdf_file)
+ result.wait()
+ return AttachmentHttpResponse(file_name=("%s.pdf" % book_fileid), file_path=pdf_file, mimetype="application/pdf")
+ else:
+ raise Http404(_('Incorrect customization options for PDF'))
+ else:
+ raise Http404(_('Bad method'))
fnp / wolnelektury.git / blobdiff