X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/0c9e7e914bc548bee30add46fb6e4aadf6ffb16c..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/apps/catalogue/views.py?ds=sidebyside diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py deleted file mode 100644 index 50b6e3e73..000000000 --- a/apps/catalogue/views.py +++ /dev/null @@ -1,581 +0,0 @@ -# -*- 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.core.cache import get_cache -from django.template import RequestContext -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.utils.http import urlquote_plus -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, 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 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)) - - -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 """ - 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', - 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', - 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): - 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)) - - -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 - - 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: - 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.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.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) - - 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_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') - fragments = models.Fragment.tagged.with_all([book_tag, theme]) - - return render_to_response('catalogue/book_fragments.html', locals(), - context_instance=RequestContext(request)) - - -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 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 - related = book.related_info() - return render_to_response('catalogue/book_text.html', locals(), - context_instance=RequestContext(request)) -def book_text2(request, slug): - book = get_object_or_404(models.Book, slug=slug) - - if not book.has_html_file(): - raise Http404 - related = book.related_info() - return render_to_response('catalogue/book_text_new.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: - 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) - - -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: - return match.get_absolute_url() - - -def _get_result_type(match): - if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub): - type = 'book' - else: - type = match.category - return type - - -def books_starting_with(prefix): - prefix = prefix.lower() - return models.Book.objects.filter(_word_starts_with('title', prefix)) - - -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: - return tuple(result)[:1] - - -def search(request): - tags = request.GET.get('tags', '') - prefix = request.GET.get('q', '') - - 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)) - - -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: - result = {"matches": tags_list} - return JSONResponse(result, callback) - - -# ========= -# = Admin = -# ========= -@login_required -@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='/?=')) - - -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()