X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/5207c4d8ee23d6d5df532faa8103a34b1572e45f..b2422020bc864b75f31c215b34692468cc03ce92:/apps/catalogue/views.py diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 5de0e9dc2..e9b1465dd 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -2,129 +2,111 @@ # 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.conf import settings +from django.core.cache import get_cache 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.template.loader import render_to_string +from django.shortcuts import render_to_response, get_object_or_404, redirect +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, 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.views.decorators import cache -from django.utils.translation import ugettext as _ -from django.views.generic.list_detail import object_list +from django.utils import translation +from django.utils.translation import ugettext as _, ugettext_lazy +from django.views.decorators.vary import vary_on_headers +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, MultiQuerySet +from catalogue.templatetags.catalogue_tags import tag_list, collection_list from pdcounter import models as pdcounter_models from pdcounter import views as pdcounter_views -from slughifi import slughifi - +from suggest.forms import PublishingSuggestForm +from picture.models import Picture staff_required = user_passes_test(lambda user: user.is_staff) +permanent_cache = get_cache('permanent') + + +@vary_on_headers('X-Requested-With') +def catalogue(request): + cache_key='catalogue.catalogue' + output = permanent_cache.get(cache_key) + if output is None: + 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', []) + collections = models.Collection.objects.all() + render_tag_list = lambda x: render_to_string( + 'catalogue/tag_list.html', tag_list(x)) + output = {'theme': render_tag_list(fragment_tags)} + for category, tags in categories.items(): + output[category] = render_tag_list(tags) + output['collections'] = render_to_string( + 'catalogue/collection_list.html', collection_list(collections)) + permanent_cache.set(cache_key, output) + if request.is_ajax(): + return JSONResponse(output) + else: + return render_to_response('catalogue/catalogue.html', locals(), + context_instance=RequestContext(request)) -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')) - for tag in tags: - tag.count = tag.get_count() - categories = split_tags(tags) - fragment_tags = categories.get('theme', []) - - form = forms.SearchForm() - return render_to_response('catalogue/main_page.html', locals(), - context_instance=RequestContext(request)) - - -def book_list(request, filter=None, template_name='catalogue/book_list.html'): +def book_list(request, filter=None, get_filter=None, + template_name='catalogue/book_list.html', + nav_template_name='catalogue/snippets/book_list_nav.html', + list_template_name='catalogue/snippets/book_list.html', + cache_key='catalogue.book_list', + context=None, + ): """ 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', 'title').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) + cached = permanent_cache.get(cache_key) + if cached is not None: + rendered_nav, rendered_book_list = cached else: - for book in books: - books_by_parent.setdefault(book.parent_id, []).append(book) - - orphans = [] - books_by_author = SortedDict() - 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) - + if get_filter: + filter = get_filter() + 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) + rendered_nav = render_to_string(nav_template_name, locals()) + rendered_book_list = render_to_string(list_template_name, locals()) + permanent_cache.set(cache_key, (rendered_nav, rendered_book_list)) return render_to_response(template_name, locals(), context_instance=RequestContext(request)) def audiobook_list(request): - return book_list(request, Q(medias__type='mp3') | Q(medias__type='ogg'), - template_name='catalogue/audiobook_list.html') + return book_list(request, Q(media__type='mp3') | Q(media__type='ogg'), + template_name='catalogue/audiobook_list.html', + list_template_name='catalogue/snippets/audiobook_list.html', + cache_key='catalogue.audiobook_list') def daisy_list(request): - return book_list(request, Q(medias__type='daisy'), - template_name='catalogue/daisy_list.html') + return book_list(request, Q(media__type='daisy'), + template_name='catalogue/daisy_list.html', + cache_key='catalogue.daisy_list') + + +def collection(request, slug): + coll = get_object_or_404(models.Collection, slug=slug) + return book_list(request, get_filter=coll.get_query, + template_name='catalogue/collection.html', + cache_key='catalogue.collection:%s' % coll.slug, + context={'collection': coll}) def differentiate_tags(request, tags, ambiguous_slugs): @@ -141,7 +123,7 @@ def differentiate_tags(request, tags, ambiguous_slugs): context_instance=RequestContext(request)) -def tagged_object_list(request, tags='', api=False): +def tagged_object_list(request, tags=''): try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: @@ -152,6 +134,8 @@ def tagged_object_list(request, tags='', api=False): 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: @@ -177,13 +161,14 @@ def tagged_object_list(request, tags='', api=False): 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]) + l_tags = models.Tag.objects.filter(category='book', + slug__in=[book.book_tag_slug() for book in books.iterator()]) 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] + fragment_keys = [fragment.pk for fragment in fragments.iterator()] if fragment_keys: related_tags = models.Fragment.tags.usage(counts=True, filters={'pk__in': fragment_keys}, @@ -193,14 +178,10 @@ def tagged_object_list(request, tags='', api=False): objects = fragments else: - # get relevant books and their tags - objects = models.Book.tagged.with_all(tags) - if not shelf_is_set: - # eliminate descendants - l_tags = models.Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects]) - descendants_keys = [book.pk for book in models.Book.tagged.with_any(l_tags)] - if descendants_keys: - objects = objects.exclude(pk__in=descendants_keys) + 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 = {} @@ -222,32 +203,30 @@ def tagged_object_list(request, tags='', api=False): only_author = len(tags) == 1 and tags[0].category == 'author' objects = models.Book.objects.none() - if api: - print objects - return objects - else: - return object_list( - request, - objects, - template_name='catalogue/tagged_object_list.html', - extra_context={ - 'categories': categories, - 'only_shelf': only_shelf, - 'only_author': only_author, - 'only_my_shelf': only_my_shelf, - 'formats_form': forms.DownloadFormatsForm(), - 'tags': tags, - } - ) + # 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_fragments(request, slug, theme_slug): + book = get_object_or_404(models.Book, slug=slug) -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') + 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)) @@ -258,41 +237,56 @@ def book_detail(request, slug): except models.Book.DoesNotExist: return pdcounter_views.book_stub_detail(request, slug) - book_tag = book.book_tag() - tags = list(book.tags.filter(~Q(category='set'))) - categories = split_tags(tags) - book_children = book.children.all().order_by('parent_number', 'title') - - _book = book - parents = [] - while _book.parent: - parents.append(_book.parent) - _book = _book.parent - parents = reversed(parents) - - theme_counter = book.theme_counter - book_themes = models.Tag.objects.filter(pk__in=theme_counter.keys()) - for tag in book_themes: - tag.count = theme_counter[tag.pk] - - extra_info = book.get_extra_info_value() - - form = forms.SearchForm() + 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 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().iterator(): + ogg_files[m.name] = m + + audiobooks = [] + have_oggs = True + projects = set() + for mp3 in book.media.filter(type='mp3').iterator(): + # ogg files are always from the same project + meta = mp3.extra_info + 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) + + projects = sorted(projects) + + extra_info = book.extra_info + + 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) + related = book.related_info() return render_to_response('catalogue/book_text.html', locals(), context_instance=RequestContext(request)) @@ -415,7 +409,7 @@ 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, @@ -469,7 +463,9 @@ def search(request): {'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: - return render_to_response('catalogue/search_no_hits.html', {'tags':tag_list, 'prefix':prefix}, + 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)) @@ -479,7 +475,7 @@ def tags_starting_with(request): if len(prefix) < 2: return HttpResponse('') tags_list = [] - result = "" + result = "" for tag in _tags_starting_with(prefix, request.user): if not tag.name in tags_list: result += "\n" + tag.name @@ -503,242 +499,6 @@ def json_tags_starting_with(request, callback=None): result = {"matches": tags_list} return JSONResponse(result, callback) -# ==================== -# = Shelf management = -# ==================== -@login_required -@cache.never_cache -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)) - -@cache.never_cache -def book_sets(request, slug): - 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) - user_sets = models.Tag.objects.filter(category='set', user=request.user) - book_sets = book.tags.filter(category='set', user=request.user) - - if request.method == 'POST': - form = forms.ObjectSetsForm(book, request.user, request.POST) - if form.is_valid(): - old_shelves = list(book.tags.filter(category='set')) - 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() - - for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: - shelf.book_count = None - shelf.save() - - book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user))) - if request.is_ajax(): - return JSONResponse('{"msg":"'+_("

Shelves were sucessfully saved.

")+'", "after":"close"}') - else: - return HttpResponseRedirect('/') - 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)) - - -@login_required -@require_POST -@cache.never_cache -def remove_from_shelf(request, shelf, book): - book = get_object_or_404(models.Book, slug=book) - 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() - - return HttpResponse(_('Book was successfully removed from the shelf')) - else: - return HttpResponse(_('This book is not on the shelf')) - - -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): - """" - Create a ZIP archive on disk and transmit it in chunks of 8KB, - without loading the whole file into memory. A similar approach can - 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', 'epub', 'odt', 'txt'] - - # 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)) - archive.close() - - response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') - response['Content-Disposition'] = 'attachment; filename=%s.zip' % slughifi(shelf.name) - response['Content-Length'] = temp.tell() - - temp.seek(0) - response.write(temp.read()) - 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, 'epub': False, 'odt': False, 'txt': 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 - - return HttpResponse(LazyEncoder().encode(formats)) - - -@login_required -@require_POST -@cache.never_cache -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 JSONResponse('{"id":"%d", "name":"%s", "msg":"

Shelf %s was successfully created

"}' % (new_set.id, new_set.name, new_set)) - else: - return HttpResponseRedirect('/') - - return HttpResponseRedirect('/') - - -@login_required -@require_POST -@cache.never_cache -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(_('

Shelf %s was successfully removed

') % user_set.name) - else: - return HttpResponseRedirect('/') - - -# ================== -# = Authentication = -# ================== - -@cache.never_cache -def simple_login(request): - if request.method == "GET": - #next = request.REQUEST.get('next', '') - #if next == '': - form = AuthenticationForm(prefix='login') - return render_to_response('auth/login.html', locals(), - context_instance=RequestContext(request)) - #else: - # return HttpResponseRedirect("/"+next) - - elif request.method == "POST": - form = AuthenticationForm(data=request.POST, prefix='login') - if form.is_valid(): - auth.login(request, form.get_user()) - url = request.META['HTTP_REFERER'].split("next=")[1] - url = url.replace("%3F","?").replace("%3D","=") - return HttpResponseRedirect(url) - - -@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 = @@ -752,6 +512,9 @@ 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])) @@ -761,31 +524,50 @@ def import_book(request): return HttpResponse(_("Error importing file: %r") % book_import_form.errors) +# info views for API -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')) +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)) -@cache.never_cache -def xmls(request): - """" - Create a zip archive with all XML files. - This should be removed when we have real API. - """ - temp = tempfile.TemporaryFile() - archive = zipfile.ZipFile(temp, 'w') +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='/?=')) + + +class CustomPDFFormView(AjaxableFormView): + form_class = forms.CustomPDFForm + title = ugettext_lazy('Download custom PDF') + submit = ugettext_lazy('Download') + honeypot = True + + def __call__(self, *args, **kwargs): + if settings.NO_CUSTOM_PDF: + raise Http404('Custom PDF is disabled') + return super(CustomPDFFormView, self).__call__(*args, **kwargs) - for book in models.Book.objects.all(): - archive.write(book.xml_file.path, str('%s.xml' % book.slug)) - archive.close() + def form_args(self, request, obj): + """Override to parse view args and give additional args to the form.""" + return (obj,), {} - response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') - response['Content-Disposition'] = 'attachment; filename=xmls.zip' - response['Content-Length'] = temp.tell() + def get_object(self, request, slug, *args, **kwargs): + return get_object_or_404(models.Book, slug=slug) - temp.seek(0) - response.write(temp.read()) - return response + def context_description(self, request, obj): + return obj.pretty_title()