X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6e404619938ccba6732fc9b8a3fb6c90a27bad76..6e75a30246598a40cabb8ca1498c3a4f6f146c91:/apps/catalogue/views.py diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index ea31338ff..9168099ca 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -4,17 +4,20 @@ # 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.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.db.models import Count, Sum, 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 @@ -25,6 +28,7 @@ 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 @@ -32,6 +36,10 @@ from catalogue import models from catalogue import forms from catalogue.utils import split_tags from newtagging import views as newtagging_views +from pdcounter import models as pdcounter_models +from pdcounter import views as pdcounter_views +from suggest.forms import PublishingSuggestForm +from slughifi import slughifi staff_required = user_passes_test(lambda user: user.is_staff) @@ -43,102 +51,187 @@ class LazyEncoder(simplejson.JSONEncoder): 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): + +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]}) + + 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): - books = models.Book.objects.all() +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_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(), + + 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_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) + + 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') + + +def daisy_list(request): + return book_list(request, Q(media__type='daisy'), + template_name='catalogue/daisy_list.html') + + +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=''): - # Prevent DoS attacks on our database - if len(tags.split('/')) > 6: - raise Http404 - try: tags = models.Tag.get_tag_list(tags) except models.Tag.DoesNotExist: - raise Http404 - + 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 = len(tags) == 1 and tags[0].category == 'set' - my_shelf_is_set = shelf_is_set and request.user.is_authenticated() and request.user == tags[0].user - - objects = only_author = pd_counter = categories = None - + 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.get(slug = 'l-' + book.slug) for book in books] + 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) - - related_tags = models.Tag.objects.usage_for_queryset(fragments, counts=True, - 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 + + # 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: - books = models.Book.tagged.with_all(tags).order_by() - l_tags = [models.Tag.objects.get(slug = 'l-' + book.slug) for book in books] - book_keys = [book.pk for book in books] - related_tags = models.Tag.objects.usage_for_queryset(books, counts=True, - extra={'where': ["catalogue_tag.category NOT IN ('set', 'book', 'theme')"]}) - related_tags = (tag for tag in related_tags if tag not in tags) + 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 - fragments = models.Fragment.tagged.with_any(l_tags) - categories['theme'] = models.Tag.objects.usage_for_queryset(fragments, counts=True, - extra={'where': ["catalogue_tag.category = 'theme'"]}) - - books = books.exclude(parent__in = book_keys) - objects = books - if not objects: only_author = len(tags) == 1 and tags[0].category == 'author' - pd_counter = only_author and tags[0].goes_to_pd() objects = models.Book.objects.none() - + return object_list( request, objects, template_name='catalogue/tagged_object_list.html', - extra_context = { + extra_context={ 'categories': categories, - 'shelf_is_set': shelf_is_set, + 'only_shelf': only_shelf, 'only_author': only_author, - 'pd_counter': pd_counter, - 'user_is_owner': my_shelf_is_set, + 'only_my_shelf': only_my_shelf, 'formats_form': forms.DownloadFormatsForm(), - 'tags': tags, } ) @@ -146,10 +239,10 @@ 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) - theme = get_object_or_404(models.Tag, slug=theme_slug) + book_tag = get_object_or_404(models.Tag, slug='l-' + book_slug, category='book') + 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)) @@ -159,37 +252,54 @@ def book_detail(request, slug): try: book = models.Book.objects.get(slug=slug) except models.Book.DoesNotExist: - return book_stub_detail(request, slug) + return pdcounter_views.book_stub_detail(request, slug) - book_tag = get_object_or_404(models.Tag, slug = 'l-' + 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') - extra_where = "catalogue_tag.category = 'theme'" - book_themes = models.Tag.objects.related_for_model(book_tag, models.Fragment, counts=True, extra={'where': [extra_where]}) - extra_info = book.get_extra_info_value() + book_children = book.children.all().order_by('parent_number', 'sort_key') - form = forms.SearchForm() - return render_to_response('catalogue/book_detail.html', locals(), - context_instance=RequestContext(request)) + _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') + projects = set() + for m in book.media.filter(type='mp3'): + # ogg files are always from the same project + meta = m.get_extra_info_value() + project = meta.get('project') + if not project: + # temporary fallback + project = u'CzytamySłuchając' + + projects.add((project, meta.get('funded_by', ''))) + projects = sorted(projects) -def book_stub_detail(request, slug): - book = get_object_or_404(models.BookStub, slug=slug) - pd_counter = book.pd form = forms.SearchForm() - - return render_to_response('catalogue/book_stub_detail.html', locals(), + 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) + 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(), @@ -202,105 +312,175 @@ def book_text(request, slug): def _no_diacritics_regexp(query): """ returns a regexp for searching for a query without diacritics - + should be locale-aware """ - names = {'a':u'ą', 'c':u'ć', 'e':u'ę', 'l': u'ł', 'n':u'ń', 'o':u'ó', 's':u'ś', 'z':u'ź|ż'} + 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 "(%s|%s)" % (l, names[l]) - return re.sub('[%s]'%(''.join(names.keys())), repl, query) + 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 = {} - if settings.DATABASE_ENGINE in ('mysql', 'postgresql_psycopg2', 'postgresql'): - prefix = _no_diacritics_regexp(re.escape(prefix)) - # we could use a [[:<:]] (word start), - # but we want both `xy` and `(xy` to catch `(xyz)` - kwargs['%s__iregex' % name] = u"(^|[^[:alpha:]])%s" % prefix - else: - # don't know how to do a generic regex - # checking for simple icontain instead - kwargs['%s__icontains' % name] = prefix + + 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 _tags_exact_matches(prefix, user): - book_stubs = models.BookStub.objects.filter(title__iexact = prefix) - books = models.Book.objects.filter(title__iexact = prefix) - book_stubs = filter(lambda x: x not in books, book_stubs) - tags = models.Tag.objects.filter(name__iexact = prefix) - if 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')) +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 - return list(books) + list(tags) + list(book_stubs) +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)) -def _tags_starting_with(prefix, user): - book_stubs = models.BookStub.objects.filter(_word_starts_with('title', prefix)) books = models.Book.objects.filter(_word_starts_with('title', prefix)) - book_stubs = filter(lambda x: x not in books, book_stubs) tags = models.Tag.objects.filter(_word_starts_with('name', prefix)) - if user.is_authenticated(): + 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')) - return list(books) + list(tags) + list(book_stubs) - + 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.Book) or isinstance(match, models.BookStub): - return match.get_absolute_url() - else: - return reverse('catalogue.views.tagged_object_list', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list + [match])} + 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, models.BookStub): + if isinstance(match, models.Book) or isinstance(match, pdcounter_models.BookStub): type = 'book' else: type = match.category - return dict(models.TAG_CATEGORIES)[type] - + 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 Book, Tag, 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 = [] - # Prefix must have at least 2 characters - if len(prefix) < 2: + 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)) - - result = _tags_exact_matches(prefix, request.user) - - if len(result) > 1: - # multiple exact matches - return render_to_response('catalogue/search_multiple_hits.html', + + 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)) - - if not result: - # no exact matches - result = _tags_starting_with(prefix, request.user) - - if result: - return HttpResponseRedirect(_get_result_link(result[0], tag_list)) 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)) @@ -309,9 +489,30 @@ def tags_starting_with(request): # Prefix must have at least 2 characters if len(prefix) < 2: return HttpResponse('') - - return HttpResponse('\n'.join(tag.name for tag in _tags_starting_with(prefix, request.user))) - + 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) # ==================== # = Shelf management = @@ -326,36 +527,36 @@ def user_shelves(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 not request.user.is_authenticated(): - return HttpResponse(_('

To maintain your shelves you need to be logged in.

')) - + 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 -= 1 + shelf.book_count = None shelf.save() - + for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]: - shelf.book_count += 1 + 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 HttpResponse(_('

Shelves were sucessfully saved.

')) + 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)) @@ -366,11 +567,11 @@ def book_sets(request, slug): 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 -= 1 + shelf.book_count = None shelf.save() return HttpResponse(_('Book was successfully removed from the shelf')) @@ -396,43 +597,46 @@ 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. + 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', 'odt', 'txt', 'mp3', 'ogg'] - + formats = ['pdf', 'epub', 'mobi', '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 'odt' in formats and book.odt_file: - filename = book.odt_file.path - archive.write(filename, str('%s.odt' % 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)) - if 'mp3' in formats and book.mp3_file: - filename = book.mp3_file.path - archive.write(filename, str('%s.mp3' % book.slug)) - if 'ogg' in formats and book.ogg_file: - filename = book.ogg_file.path - archive.write(filename, str('%s.ogg' % book.slug)) archive.close() - + response = HttpResponse(content_type='application/zip', mimetype='application/x-zip-compressed') - response['Content-Disposition'] = 'attachment; filename=%s.zip' % shelf.sort_key + response['Content-Disposition'] = 'attachment; filename=%s.zip' % slughifi(shelf.name) response['Content-Length'] = temp.tell() - + temp.seek(0) response.write(temp.read()) return response @@ -445,19 +649,20 @@ def shelf_book_formats(request, shelf): """ shelf = get_object_or_404(models.Tag, slug=shelf, category='set') - formats = {'pdf': False, 'odt': False, 'txt': False, 'mp3': False, 'ogg': False} - + formats = {'pdf': False, 'epub': False, 'mobi': 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.odt_file: - formats['odt'] = True + if book.root_ancestor.epub_file: + formats['epub'] = True + if book.mobi_file: + formats['mobi'] = True if book.txt_file: formats['txt'] = True - if book.mp3_file: - formats['mp3'] = True - if book.ogg_file: - formats['ogg'] = True + for format in ('odt',): + if book.has_media(format): + formats[format] = True return HttpResponse(LazyEncoder().encode(formats)) @@ -471,7 +676,7 @@ def new_set(request): new_set = new_set_form.save(request.user) if request.is_ajax(): - return HttpResponse(_('

Shelf %s was successfully created

') % new_set) + return JSONResponse('{"id":"%d", "name":"%s", "msg":"

Shelf %s was successfully created

"}' % (new_set.id, new_set.name, new_set)) else: return HttpResponseRedirect('/') @@ -513,7 +718,7 @@ def register(request): if registration_form.is_valid(): user = registration_form.save() user = auth.authenticate( - username=registration_form.cleaned_data['username'], + username=registration_form.cleaned_data['username'], password=registration_form.cleaned_data['password1'] ) auth.login(request, user) @@ -545,7 +750,6 @@ def import_book(request): info = sys.exc_info() exception = pprint.pformat(info[1]) tb = '\n'.join(traceback.format_tb(info[2])) - _('Today is %(month)s, %(day)s.') % {'month': m, 'day': d} return HttpResponse(_("An error occurred: %(exception)s\n\n%(tb)s") % {'exception':exception, 'tb':tb}, mimetype='text/plain') return HttpResponse(_("Book imported successfully")) else: @@ -557,5 +761,35 @@ def clock(request): """ Provides server time for jquery.countdown, in a format suitable for Date.parse() """ - from datetime import datetime return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S')) + + +# 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): + url = None + if format == 'pdf': + url = models.Book.zip_pdf() + elif format == 'epub': + url = models.Book.zip_epub() + elif format == 'mobi': + url = models.Book.zip_mobi() + elif format == 'audiobook' and slug is not None: + book = models.Book.objects.get(slug=slug) + url = book.zip_audiobooks() + else: + raise Http404('No format specified for zip package') + return HttpResponseRedirect(urlquote_plus(settings.MEDIA_URL + url, safe='/?='))