X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/075fb07f19c2f20cd3b6818b973e7aebebdacc9f..85800bcf632ba3e027667835b08f8e0dc5ab6177:/apps/catalogue/views.py?ds=sidebyside diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 90fe22fd0..232b3a749 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -4,75 +4,139 @@ # 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.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 Count, Sum, Q +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.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 django.utils.translation import get_language, ugettext as _, ugettext_lazy +from django.views.decorators.vary import vary_on_headers -from ajaxable.utils import LazyEncoder, JSONResponse +from ajaxable.utils import JSONResponse, AjaxableFormView from catalogue import models from catalogue import forms -from catalogue.utils import (split_tags, AttachmentHttpResponse, - async_build_pdf, MultiQuerySet) -from catalogue.tasks import touch_tag +from catalogue.utils import split_tags, MultiQuerySet, SortedMultiQuerySet +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 suggest.forms import PublishingSuggestForm -from picture.models import Picture - -from os import path - +from picture.models import Picture, PictureArea +from picture.views import picture_list_thumb +import logging staff_required = user_passes_test(lambda user: user.is_staff) +permanent_cache = get_cache('permanent') +@vary_on_headers('X-Requested-With') 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)) + cache_key='catalogue.catalogue/' + get_language() + output = permanent_cache.get(cache_key) + + if output is None: + tags = models.Tag.objects.exclude( + category__in=('set', 'book')).exclude(book_count=0, picture_count=0) + tags = list(tags) + for tag in tags: + tag.count = tag.book_count + tag.picture_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)) + has_pictures = lambda x: filter(lambda y: y.picture_count>0, x) + has_books = lambda x: filter(lambda y: y.book_count>0, x) + def render_split(tags): + with_books = has_books(tags) + with_pictures = has_pictures(tags) + ctx = {} + if with_books: + ctx['books'] = render_tag_list(with_books) + if with_pictures: + ctx['pictures'] = render_tag_list(with_pictures) + return render_to_string('catalogue/tag_list_split.html', ctx) + + output = {'theme': {}} + output['theme'] = render_tag_list(fragment_tags) + for category, tags in categories.items(): + if category in ('author', 'theme'): + output[category] = render_tag_list(tags) + else: + output[category] = render_split(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)) -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 """ - - 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) - + cache_key = "%s/%s" % (cache_key, get_language()) + cached = permanent_cache.get(cache_key) + if cached is not None: + rendered_nav, rendered_book_list = cached + else: + 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(media__type='mp3') | Q(media__type='ogg'), - template_name='catalogue/audiobook_list.html') + 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(media__type='daisy'), - template_name='catalogue/daisy_list.html') + template_name='catalogue/daisy_list.html', + cache_key='catalogue.daisy_list') + + +def collection(request, slug): + coll = get_object_or_404(models.Collection, slug=slug) + if coll.kind == 'book': + view = book_list + tmpl = "catalogue/collection.html" + elif coll.kind == 'picture': + view = picture_list_thumb + tmpl = "picture/collection.html" + else: + raise ValueError('How do I show this kind of collection? %s' % coll.kind) + return view(request, get_filter=coll.get_query, + template_name=tmpl, + cache_key='catalogue.collection:%s' % coll.slug, + context={'collection': coll}) def differentiate_tags(request, tags, ambiguous_slugs): @@ -89,17 +153,21 @@ def differentiate_tags(request, tags, ambiguous_slugs): context_instance=RequestContext(request)) +# TODO: Rewrite this hellish piece of code which tries to do everything def tagged_object_list(request, tags=''): - # import pdb; pdb.set_trace() + # preliminary tests and conditions try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: + # Perhaps the user is asking about an author in Public Domain + # counter (they are not represented in tags) 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: + # Ask the user to disambiguate 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)])) @@ -113,65 +181,107 @@ def tagged_object_list(request, tags=''): if len([tag for tag in tags if tag.category == 'book']): raise Http404 + # beginning of digestion 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 = {} + object_queries = [] if theme_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) + areas = PictureArea.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]) + 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] + + related_tags = [] + + 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}, 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) + categories = split_tags(related_tags, categories) + + object_queries.insert(0, fragments) + + area_keys = [area.pk for area in areas.iterator()] + if area_keys: + related_tags = PictureArea.tags.usage(counts=True, + filters={'pk__in': area_keys}) + related_tags = (tag for tag in related_tags if tag not in fragment_tags) + + categories = split_tags(related_tags, categories) - objects = fragments + # we want the Pictures to go first + object_queries.insert(0, areas) + objects = MultiQuerySet(*object_queries) else: if shelf_is_set: - objects = models.Book.tagged.with_all(tags) + books = models.Book.tagged.with_all(tags).order_by('sort_key_author') 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 + books = models.Book.tagged_top_level(tags).order_by('sort_key_author') + + pictures = Picture.tagged.with_all(tags).order_by('sort_key_author') + + if books.count() > 0: + # get related tags from `tag_counter` and `theme_counter` + related_counts = {} + tags_pks = [tag.pk for tag in tags] + for book in books: + 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 pictures.count() > 0: + related_counts = {} + tags_pks = [tag.pk for tag in tags] + for picture in pictures: + for tag_pk, value in itertools.chain(picture.tag_counter.iteritems(), picture.theme_counter.iteritems()): + if tag_pk in tags_pks: + continue + logging.info("counting tag not in tags_pks: %d", tag_pk) + 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 + + logging.info("Returning %d picutres and %d books" % (pictures.count(), books.count())) + objects = SortedMultiQuerySet(pictures, books, order_by='sort_key_author') + + 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, @@ -181,15 +291,13 @@ def tagged_object_list(request, tags=''): '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, book, theme_slug): - kwargs = models.Book.split_urlid(book) - if kwargs is None: - raise Http404 - book = get_object_or_404(models.Book, **kwargs) +def book_fragments(request, slug, theme_slug): + book = get_object_or_404(models.Book, slug=slug) book_tag = book.book_tag() theme = get_object_or_404(models.Tag, slug=theme_slug, category='theme') @@ -199,58 +307,32 @@ def book_fragments(request, book, theme_slug): context_instance=RequestContext(request)) -def book_detail(request, book): - kwargs = models.Book.split_urlid(book) - if kwargs is None: - raise Http404 +def book_detail(request, slug): try: - book = models.Book.objects.get(**kwargs) + book = models.Book.objects.get(slug=slug) except models.Book.DoesNotExist: - 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) + return pdcounter_views.book_stub_detail(request, slug) + book_children = book.children.all().order_by('parent_number', 'sort_key') - - _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() - hide_about = extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl') - - custom_pdf_form = forms.CustomPDFForm() return render_to_response('catalogue/book_detail.html', locals(), context_instance=RequestContext(request)) -def player(request, book): - kwargs = models.Book.split_urlid(book) - if kwargs is None: - raise Http404 - book = get_object_or_404(models.Book, **kwargs) +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(): + 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'): + for mp3 in book.media.filter(type='mp3').iterator(): # ogg files are always from the same project - meta = mp3.get_extra_info_value() + meta = mp3.extra_info project = meta.get('project') if not project: # temporary fallback @@ -266,29 +348,21 @@ def player(request, book): else: have_oggs = False audiobooks.append(media) - print audiobooks projects = sorted(projects) + extra_info = book.extra_info + return render_to_response('catalogue/player.html', locals(), context_instance=RequestContext(request)) -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) +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)) @@ -466,7 +540,7 @@ def search(request): context_instance=RequestContext(request)) else: form = PublishingSuggestForm(initial={"books": prefix + ", "}) - return render_to_response('catalogue/search_no_hits.html', + return render_to_response('catalogue/search_no_hits.html', {'tags':tag_list, 'prefix':prefix, "pubsuggest_form": form}, context_instance=RequestContext(request)) @@ -477,7 +551,7 @@ 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 @@ -501,176 +575,6 @@ 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, book): - if not request.user.is_authenticated(): - return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) - - 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) - - 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]: - touch_tag(shelf) - - for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: - touch_tag(shelf) - - 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): - 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) - touch_tag(shelf) - - 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. - """ - from slughifi import slughifi - import tempfile - import zipfile - - 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 = models.Book.ebook_formats - - # Create a ZIP archive - temp = tempfile.TemporaryFile() - archive = zipfile.ZipFile(temp, 'w') - - for book in collect_books(models.Book.tagged.with_all(shelf)): - 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') - 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 = {} - for ebook_format in models.Book.ebook_formats: - formats[ebook_format] = False - - for book in collect_books(models.Book.tagged.with_all(shelf)): - for ebook_format in models.Book.ebook_formats: - if book.has_media(ebook_format): - formats[ebook_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('/') - # ========= # = Admin = @@ -711,37 +615,35 @@ def tag_info(request, id): return HttpResponse(tag.description) -def download_zip(request, format, book=None): - kwargs = models.Book.split_fileid(book) - +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 kwargs is not None: - book = get_object_or_404(models.Book, **kwargs) + 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, 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')) +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) + + def form_args(self, request, obj): + """Override to parse view args and give additional args to the form.""" + return (obj,), {} + + def get_object(self, request, slug, *args, **kwargs): + return get_object_or_404(models.Book, slug=slug) + + def context_description(self, request, obj): + return obj.pretty_title()