X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/04474c1980a751d4b6ca205e47b82e6471028e7f..85b2f0f3f639c54c199162d07b7027ce3412c996:/apps/catalogue/views.py diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index ade37e52a..168645009 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -1,251 +1,567 @@ # -*- 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 re +import itertools + +from django.conf import settings 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.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect 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 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.utils import translation +from django.utils.translation import ugettext as _ +from django.views.decorators.cache import never_cache + +from ajaxable.utils import JSONResponse, AjaxableFormView 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, MultiQuerySet) +from pdcounter import models as pdcounter_models +from pdcounter import views as pdcounter_views +from suggest.forms import PublishingSuggestForm +from picture.models import Picture +from os import path -class LazyEncoder(simplejson.JSONEncoder): - def default(self, obj): - if isinstance(obj, Promise): - return force_unicode(obj) - return obj +staff_required = user_passes_test(lambda user: user.is_staff) -def search(request): - query = request.GET.get('q', '') - tags = request.GET.get('tags', '') - if tags == '': - tags = [] - - try: - tag_list = models.Tag.get_tag_list(tags) - tag = models.Tag.objects.get(name=query) - except models.Tag.DoesNotExist: - try: - book = models.Book.objects.get(title=query) - return HttpResponseRedirect(book.get_absolute_url()) - except models.Book.DoesNotExist: - return HttpResponseRedirect(reverse('catalogue.views.main_page')) - else: - tag_list.append(tag) - return HttpResponseRedirect(reverse('catalogue.views.tagged_object_list', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list)} - )) +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.book_count + categories = split_tags(tags) + fragment_tags = categories.get('theme', []) + return render_to_response('catalogue/catalogue.html', locals(), + context_instance=RequestContext(request)) -def tags_starting_with(request): - try: - prefix = request.GET['q'] - if len(prefix) < 2: - raise KeyError - - books = models.Book.objects.filter(title__icontains=prefix) - tags = models.Tag.objects.filter(name__icontains=prefix) - if request.user.is_authenticated(): - tags = tags.filter(~Q(category='set') | Q(user=request.user)) - else: - tags = tags.filter(~Q(category='set')) - - completions = [book.title for book in books] + [tag.name for tag in tags] - return HttpResponse('\n'.join(completions)) - - except KeyError: - return HttpResponse('') +def book_list(request, filter=None, template_name='catalogue/book_list.html', + context=None): + """ generates a listing of all books, optionally filtered with a test function """ + books_by_author, orphans, books_by_parent = models.Book.book_list(filter) + books_nav = SortedDict() + for tag in books_by_author: + if books_by_author[tag]: + books_nav.setdefault(tag.sort_key[0], []).append(tag) -def main_page(request): - if request.user.is_authenticated(): - shelves = models.Tag.objects.filter(category='set', user=request.user) - new_set_form = forms.NewSetForm() - extra_where = 'NOT catalogue_tag.category = "set"' - tags = models.Tag.objects.usage_for_model(models.Book, counts=True, extra={'where': [extra_where]}) - fragment_tags = models.Tag.objects.usage_for_model(models.Fragment, counts=True, - extra={'where': ['catalogue_tag.category = "theme"'] + [extra_where]}) - categories = split_tags(tags) - - form = forms.SearchForm() - return render_to_response('catalogue/main_page.html', locals(), + return render_to_response(template_name, locals(), context_instance=RequestContext(request)) -def book_list(request): - books = models.Book.objects.all() - form = forms.SearchForm() - - books_by_first_letter = SortedDict() - for book in books: - books_by_first_letter.setdefault(book.title[0], []).append(book) - - return render_to_response('catalogue/book_list.html', locals(), - context_instance=RequestContext(request)) +def audiobook_list(request): + return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'), + template_name='catalogue/audiobook_list.html') +def daisy_list(request): + return book_list(request, Q(media__type='daisy'), + template_name='catalogue/daisy_list.html') + + +def collection(request, slug): + coll = get_object_or_404(models.Collection, slug=slug) + slugs = coll.book_slugs.split() + # allow URIs + slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug + for slug in slugs] + return book_list(request, Q(slug__in=slugs), + template_name='catalogue/collection.html', + context={'collection': coll}) + + +def differentiate_tags(request, tags, ambiguous_slugs): + beginning = '/'.join(tag.url_chunk for tag in tags) + unparsed = '/'.join(ambiguous_slugs[1:]) + options = [] + for tag in models.Tag.objects.exclude(category='book').filter(slug=ambiguous_slugs[0]): + options.append({ + 'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'), + 'tags': [tag] + }) + return render_to_response('catalogue/differentiate_tags.html', + {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]}, + context_instance=RequestContext(request)) + + +@never_cache def tagged_object_list(request, tags=''): try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: + chunks = tags.split('/') + if len(chunks) == 2 and chunks[0] == 'autor': + return pdcounter_views.author_detail(request, chunks[1]) + else: + raise Http404 + except models.Tag.MultipleObjectsReturned, e: + return differentiate_tags(request, e.tags, e.ambiguous_slugs) + except models.Tag.UrlDeprecationWarning, e: + return HttpResponsePermanentRedirect(reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])) + + try: + if len(tags) > settings.MAX_TAG_LIST: + raise Http404 + except AttributeError: + pass + + if len([tag for tag in tags if tag.category == 'book']): raise Http404 - - model = models.Book - shelf_is_set = any(tag.category == 'set' for tag in tags) - theme_is_set = any(tag.category == 'theme' for tag in tags) + + theme_is_set = [tag for tag in tags if tag.category == 'theme'] + shelf_is_set = [tag for tag in tags if tag.category == 'set'] + only_shelf = shelf_is_set and len(tags) == 1 + only_my_shelf = only_shelf and request.user.is_authenticated() and request.user == tags[0].user + + objects = only_author = None + categories = {} + if theme_is_set: - model = models.Fragment - - extra_where = 'NOT catalogue_tag.category = "set"' - related_tags = models.Tag.objects.related_for_model(tags, model, counts=True, extra={'where': [extra_where]}) - categories = split_tags(related_tags) - - return newtagging_views.tagged_object_list( - request, - tag_model=models.Tag, - queryset_or_model=model, - tags=tags, - template_name='catalogue/tagged_object_list.html', - extra_context = {'categories': categories, 'shelf_is_set': shelf_is_set }, - ) + shelf_tags = [tag for tag in tags if tag.category == 'set'] + fragment_tags = [tag for tag in tags if tag.category != 'set'] + fragments = models.Fragment.tagged.with_all(fragment_tags) + + if shelf_tags: + books = models.Book.tagged.with_all(shelf_tags).order_by() + l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in books]) + fragments = models.Fragment.tagged.with_any(l_tags, fragments) + + # newtagging goes crazy if we just try: + #related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True, + # extra={'where': ["catalogue_tag.category != 'book'"]}) + fragment_keys = [fragment.pk for fragment in fragments] + if fragment_keys: + related_tags = models.Fragment.tags.usage(counts=True, + filters={'pk__in': fragment_keys}, + extra={'where': ["catalogue_tag.category != 'book'"]}) + related_tags = (tag for tag in related_tags if tag not in fragment_tags) + categories = split_tags(related_tags) + + objects = fragments + else: + if shelf_is_set: + objects = models.Book.tagged.with_all(tags) + else: + objects = models.Book.tagged_top_level(tags) + + # get related tags from `tag_counter` and `theme_counter` + related_counts = {} + tags_pks = [tag.pk for tag in tags] + for book in objects: + for tag_pk, value in itertools.chain(book.tag_counter.iteritems(), book.theme_counter.iteritems()): + if tag_pk in tags_pks: + continue + related_counts[tag_pk] = related_counts.get(tag_pk, 0) + value + related_tags = models.Tag.objects.filter(pk__in=related_counts.keys()) + related_tags = [tag for tag in related_tags if tag not in tags] + for tag in related_tags: + tag.count = related_counts[tag.pk] + + categories = split_tags(related_tags) + del related_tags + + if not objects: + only_author = len(tags) == 1 and tags[0].category == 'author' + objects = models.Book.objects.none() + + # Add pictures + objects = MultiQuerySet(Picture.tagged.with_all(tags), objects) + + return render_to_response('catalogue/tagged_object_list.html', + { + 'object_list': objects, + 'categories': categories, + 'only_shelf': only_shelf, + 'only_author': only_author, + 'only_my_shelf': only_my_shelf, + 'formats_form': forms.DownloadFormatsForm(), + 'tags': tags, + 'theme_is_set': theme_is_set, + }, + context_instance=RequestContext(request)) -def book_detail(request, slug): +def book_fragments(request, slug, theme_slug): book = get_object_or_404(models.Book, slug=slug) - tags = list(book.tags.filter(~Q(category='set'))) - categories = split_tags(tags) - - form = forms.SearchForm() + + 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]) + + return render_to_response('catalogue/book_fragments.html', locals(), + context_instance=RequestContext(request)) + + +@never_cache +def book_detail(request, slug): + try: + book = models.Book.objects.get(slug=slug) + except models.Book.DoesNotExist: + return pdcounter_views.book_stub_detail(request, slug) + + book_children = book.children.all().order_by('parent_number', 'sort_key') return render_to_response('catalogue/book_detail.html', locals(), context_instance=RequestContext(request)) -def logout_then_redirect(request): - auth.logout(request) - return HttpResponseRedirect(request.GET.get('next', '/')) +def player(request, slug): + book = get_object_or_404(models.Book, slug=slug) + if not book.has_media('mp3'): + raise Http404 + ogg_files = {} + for m in book.media.filter(type='ogg').order_by(): + ogg_files[m.name] = m -@require_POST -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': {}} + audiobooks = [] + have_oggs = True + projects = set() + for mp3 in book.media.filter(type='mp3'): + # ogg files are always from the same project + meta = mp3.get_extra_info_value() + project = meta.get('project') + if not project: + # temporary fallback + project = u'CzytamySłuchając' + + projects.add((project, meta.get('funded_by', ''))) + + media = {'mp3': mp3} + + ogg = ogg_files.get(mp3.name) + if ogg: + media['ogg'] = ogg + else: + have_oggs = False + audiobooks.append(media) + print audiobooks + + projects = sorted(projects) + + return render_to_response('catalogue/player.html', locals(), + context_instance=RequestContext(request)) + + +def book_text(request, slug): + book = get_object_or_404(models.Book, slug=slug) + + if not book.has_html_file(): + raise Http404 + book_themes = {} + for fragment in book.fragments.all(): + for theme in fragment.tags.filter(category='theme'): + book_themes.setdefault(theme, []).append(fragment) + + book_themes = book_themes.items() + book_themes.sort(key=lambda s: s[0].sort_key) + return render_to_response('catalogue/book_text.html', locals(), + context_instance=RequestContext(request)) + + +# ========== +# = Search = +# ========== + +def _no_diacritics_regexp(query): + """ returns a regexp for searching for a query without diacritics + + should be locale-aware """ + names = { + u'a':u'aąĄ', u'c':u'cćĆ', u'e':u'eęĘ', u'l': u'lłŁ', u'n':u'nńŃ', u'o':u'oóÓ', u's':u'sśŚ', u'z':u'zźżŹŻ', + u'ą':u'ąĄ', u'ć':u'ćĆ', u'ę':u'ęĘ', u'ł': u'łŁ', u'ń':u'ńŃ', u'ó':u'óÓ', u'ś':u'śŚ', u'ź':u'źŹ', u'ż':u'żŻ' + } + def repl(m): + l = m.group() + return u"(%s)" % '|'.join(names[l]) + return re.sub(u'[%s]' % (u''.join(names.keys())), repl, query) + +def unicode_re_escape(query): + """ Unicode-friendly version of re.escape """ + return re.sub('(?u)(\W)', r'\\\1', query) + +def _word_starts_with(name, prefix): + """returns a Q object getting models having `name` contain a word + starting with `prefix` + + We define word characters as alphanumeric and underscore, like in JS. + + Works for MySQL, PostgreSQL, Oracle. + For SQLite, _sqlite* version is substituted for this. + """ + kwargs = {} + + prefix = _no_diacritics_regexp(unicode_re_escape(prefix)) + # can't use [[:<:]] (word start), + # but we want both `xy` and `(xy` to catch `(xyz)` + kwargs['%s__iregex' % name] = u"(^|[^[:alnum:]_])%s" % prefix + + return Q(**kwargs) + + +def _word_starts_with_regexp(prefix): + prefix = _no_diacritics_regexp(unicode_re_escape(prefix)) + return ur"(^|(?<=[^\wąćęłńóśźżĄĆĘŁŃÓŚŹŻ]))%s" % prefix + + +def _sqlite_word_starts_with(name, prefix): + """ version of _word_starts_with for SQLite + + SQLite in Django uses Python re module + """ + kwargs = {} + kwargs['%s__iregex' % name] = _word_starts_with_regexp(prefix) + return Q(**kwargs) + + +if hasattr(settings, 'DATABASES'): + if settings.DATABASES['default']['ENGINE'] == 'django.db.backends.sqlite3': + _word_starts_with = _sqlite_word_starts_with +elif settings.DATABASE_ENGINE == 'sqlite3': + _word_starts_with = _sqlite_word_starts_with + + +class App(): + def __init__(self, name, view): + self.name = name + self._view = view + self.lower = name.lower() + self.category = 'application' + def view(self): + return reverse(*self._view) + +_apps = ( + App(u'Leśmianator', (u'lesmianator', )), + ) + + +def _tags_starting_with(prefix, user=None): + prefix = prefix.lower() + # PD counter + book_stubs = pdcounter_models.BookStub.objects.filter(_word_starts_with('title', prefix)) + authors = pdcounter_models.Author.objects.filter(_word_starts_with('name', prefix)) + + books = models.Book.objects.filter(_word_starts_with('title', prefix)) + tags = models.Tag.objects.filter(_word_starts_with('name', prefix)) + if user and user.is_authenticated(): + tags = tags.filter(~Q(category='book') & (~Q(category='set') | Q(user=user))) else: - response_data = {'success': False, 'errors': registration_form.errors} - return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data)) + tags = tags.filter(~Q(category='book') & ~Q(category='set')) + + prefix_regexp = re.compile(_word_starts_with_regexp(prefix)) + return list(books) + list(tags) + [app for app in _apps if prefix_regexp.search(app.lower)] + list(book_stubs) + list(authors) -@require_POST -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': {}} +def _get_result_link(match, tag_list): + if isinstance(match, models.Tag): + return reverse('catalogue.views.tagged_object_list', + kwargs={'tags': '/'.join(tag.url_chunk for tag in tag_list + [match])} + ) + elif isinstance(match, App): + return match.view() else: - response_data = {'success': False, 'errors': form.errors} - return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data)) + return match.get_absolute_url() -def book_sets(request, slug): - book = get_object_or_404(models.Book, slug=slug) - user_sets = models.Tag.objects.filter(category='set', user=request.user) - book_sets = book.tags.filter(category='set', user=request.user) - - if not request.user.is_authenticated(): - return HttpResponse('

Aby zarządzać swoimi półkami, musisz się zalogować.

') - - if request.method == 'POST': - form = forms.ObjectSetsForm(book, request.user, request.POST) - if form.is_valid(): - book.tags = ([models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']] + - list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))) - if request.is_ajax(): - return HttpResponse('

Półki zostały zapisane.

') - else: - return HttpResponseRedirect('/') +def _get_result_type(match): + if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub): + type = 'book' else: - form = forms.ObjectSetsForm(book, request.user) - new_set_form = forms.NewSetForm() - - return render_to_response('catalogue/book_sets.html', locals(), - context_instance=RequestContext(request)) + type = match.category + return type -def fragment_sets(request, id): - fragment = get_object_or_404(models.Fragment, pk=id) - user_sets = models.Tag.objects.filter(category='set', user=request.user) - fragment_sets = fragment.tags.filter(category='set', user=request.user) +def books_starting_with(prefix): + prefix = prefix.lower() + return models.Book.objects.filter(_word_starts_with('title', prefix)) - if not request.user.is_authenticated(): - return HttpResponse('

Aby zarządzać swoimi półkami, musisz się zalogować.

') - if request.method == 'POST': - form = forms.ObjectSetsForm(fragment, request.user, request.POST) - if form.is_valid(): - fragment.tags = ([models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']] + - list(fragment.tags.filter(~Q(category='set') | ~Q(user=request.user)))) - if request.is_ajax(): - return HttpResponse('

Półki zostały zapisane.

') - else: - return HttpResponseRedirect('/') +def find_best_matches(query, user=None): + """ Finds a models.Book, Tag, models.BookStub or Author best matching a query. + + Returns a with: + - zero elements when nothing is found, + - one element when a best result is found, + - more then one element on multiple exact matches + + Raises a ValueError on too short a query. + """ + + query = query.lower() + if len(query) < 2: + raise ValueError("query must have at least two characters") + + result = tuple(_tags_starting_with(query, user)) + # remove pdcounter stuff + book_titles = set(match.pretty_title().lower() for match in result + if isinstance(match, models.Book)) + authors = set(match.name.lower() for match in result + if isinstance(match, models.Tag) and match.category=='author') + result = tuple(res for res in result if not ( + (isinstance(res, pdcounter_models.BookStub) and res.pretty_title().lower() in book_titles) + or (isinstance(res, pdcounter_models.Author) and res.name.lower() in authors) + )) + + exact_matches = tuple(res for res in result if res.name.lower() == query) + if exact_matches: + return exact_matches else: - form = forms.ObjectSetsForm(fragment, request.user) - new_set_form = forms.NewSetForm() + return tuple(result)[:1] - return render_to_response('catalogue/fragment_sets.html', locals(), - context_instance=RequestContext(request)) +def search(request): + tags = request.GET.get('tags', '') + prefix = request.GET.get('q', '') -@login_required -@require_POST -def new_set(request): - new_set_form = forms.NewSetForm(request.POST) - if new_set_form.is_valid(): - new_set = new_set_form.save(request.user) - - if request.is_ajax(): - return HttpResponse(u'

Półka %s została utworzona

' % new_set) - else: - return HttpResponseRedirect('/') - - return render_to_response('catalogue/book_sets.html', locals(), + try: + tag_list = models.Tag.get_tag_list(tags) + except: + tag_list = [] + + try: + result = find_best_matches(prefix, request.user) + except ValueError: + return render_to_response('catalogue/search_too_short.html', {'tags':tag_list, 'prefix':prefix}, context_instance=RequestContext(request)) + if len(result) == 1: + return HttpResponseRedirect(_get_result_link(result[0], tag_list)) + elif len(result) > 1: + return render_to_response('catalogue/search_multiple_hits.html', + {'tags':tag_list, 'prefix':prefix, 'results':((x, _get_result_link(x, tag_list), _get_result_type(x)) for x in result)}, + context_instance=RequestContext(request)) + else: + form = PublishingSuggestForm(initial={"books": prefix + ", "}) + return render_to_response('catalogue/search_no_hits.html', + {'tags':tag_list, 'prefix':prefix, "pubsuggest_form": form}, + context_instance=RequestContext(request)) -@login_required -@require_POST -def delete_shelf(request, slug): - user_set = get_object_or_404(models.Tag, slug=slug, category='set', user=request.user) - user_set.delete() - - if request.is_ajax(): - return HttpResponse(u'

Półka %s została usunięta

' % user_set.name) + +def tags_starting_with(request): + prefix = request.GET.get('q', '') + # Prefix must have at least 2 characters + if len(prefix) < 2: + return HttpResponse('') + tags_list = [] + result = "" + for tag in _tags_starting_with(prefix, request.user): + if not tag.name in tags_list: + result += "\n" + tag.name + tags_list.append(tag.name) + return HttpResponse(result) + +def json_tags_starting_with(request, callback=None): + # Callback for JSONP + prefix = request.GET.get('q', '') + callback = request.GET.get('callback', '') + # Prefix must have at least 2 characters + if len(prefix) < 2: + return HttpResponse('') + tags_list = [] + for tag in _tags_starting_with(prefix, request.user): + if not tag.name in tags_list: + tags_list.append(tag.name) + if request.GET.get('mozhint', ''): + result = [prefix, tags_list] else: - return HttpResponseRedirect('/') + result = {"matches": tags_list} + return JSONResponse(result, callback) +# ========= +# = Admin = +# ========= @login_required -def user_shelves(request): - shelves = models.Tag.objects.filter(category='set', user=request.user) - new_set_form = forms.NewSetForm() - return render_to_response('catalogue/user_shelves.html', locals(), - context_instance=RequestContext(request)) +@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: + 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(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain') + return HttpResponse(_("Book imported successfully")) + else: + return HttpResponse(_("Error importing file: %r") % book_import_form.errors) + + +# info views for API + +def book_info(request, id, lang='pl'): + book = get_object_or_404(models.Book, id=id) + # set language by hand + translation.activate(lang) + return render_to_response('catalogue/book_info.html', locals(), + context_instance=RequestContext(request)) + + +def tag_info(request, id): + tag = get_object_or_404(models.Tag, id=id) + return HttpResponse(tag.description) + + +def download_zip(request, format, slug=None): + url = None + if format in models.Book.ebook_formats: + url = models.Book.zip_format(format) + elif format in ('mp3', 'ogg') and slug is not None: + book = get_object_or_404(models.Book, slug=slug) + url = book.zip_audiobooks(format) + else: + raise Http404('No format specified for zip package') + return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?=')) + + +def download_custom_pdf(request, slug, method='GET'): + book = get_object_or_404(models.Book, slug=slug) + + if request.method == method: + form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST) + 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.slug), file_path=pdf_file, mimetype="application/pdf") + else: + raise Http404(_('Incorrect customization options for PDF')) + else: + raise Http404(_('Bad method')) + + +class CustomPDFFormView(AjaxableFormView): + form_class = forms.CustomPDFForm + title = _('Download custom PDF') + submit = _('Download') + + def __call__(self, request): + from copy import copy + if request.method == 'POST': + request.GET = copy(request.GET) + request.GET['next'] = "%s?%s" % (reverse('catalogue.views.download_custom_pdf', args=[request.GET['slug']]), + request.POST.urlencode()) + return super(CustomPDFFormView, self).__call__(request) + + def success(self, *args): + pass