X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/f4c540df2eb34b761e08f67396c22daf3b14ca10..5116918efc22e206f68fa19529f93c913f98930f:/apps/catalogue/views.py diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 64aada533..f1eeab739 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -2,12 +2,6 @@ # 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 @@ -23,94 +17,46 @@ 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.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 picture.models import Picture +from itertools import chain +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) @@ -144,6 +90,7 @@ def differentiate_tags(request, tags, ambiguous_slugs): def tagged_object_list(request, tags=''): + # import pdb; pdb.set_trace() try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: @@ -222,6 +169,9 @@ def tagged_object_list(request, tags=''): only_author = len(tags) == 1 and tags[0].category == 'author' objects = models.Book.objects.none() + # Add pictures + objects = Picture.tagged.with_all(tags)|objects + return object_list( request, objects, @@ -237,23 +187,29 @@ def tagged_object_list(request, tags=''): ) -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) @@ -286,13 +242,17 @@ def book_detail(request, slug): 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 = {} @@ -424,7 +384,7 @@ def books_starting_with(prefix): 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, @@ -526,11 +486,15 @@ def user_shelves(request): 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(_('

To maintain your shelves you need to be logged in.

')) - 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) @@ -541,12 +505,10 @@ def book_sets(request, slug): 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(): @@ -565,14 +527,16 @@ def book_sets(request, slug): @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: @@ -599,6 +563,10 @@ def download_shelf(request, slug): 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 = [] @@ -606,31 +574,18 @@ def download_shelf(request, slug): if form.is_valid(): formats = form.cleaned_data['formats'] if len(formats) == 0: - formats = ['pdf', 'epub', 'mobi', '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 'mobi' in formats and book.mobi_file: - filename = book.mobi_file.path - archive.write(filename, str('%s.mobi' % 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') @@ -649,20 +604,14 @@ def shelf_book_formats(request, shelf): """ shelf = get_object_or_404(models.Tag, slug=shelf, category='set') - formats = {'pdf': False, 'epub': False, 'mobi': 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.mobi_file: - formats['mobi'] = 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)) @@ -696,45 +645,6 @@ def delete_shelf(request, slug): 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 = # ========= @@ -747,6 +657,9 @@ def import_book(request): 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])) @@ -756,14 +669,6 @@ def import_book(request): 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'): @@ -779,13 +684,37 @@ def tag_info(request, id): 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 in ('pdf', 'epub', 'mobi'): + if format in models.Book.ebook_formats: url = models.Book.zip_format(format) - elif format == 'audiobook' and slug is not None: - book = models.Book.objects.get(slug=slug) + 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'))