# 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 sys
-import pprint
-import traceback
import re
+import itertools
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.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 import translation
from django.utils.translation import ugettext as _
+from django.views.decorators.cache import never_cache
+
+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, AttachmentHttpResponse,
+ async_build_pdf, MultiQuerySet)
+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
staff_required = user_passes_test(lambda user: user.is_staff)
-class LazyEncoder(simplejson.JSONEncoder):
- def default(self, obj):
- if isinstance(obj, Promise):
- return force_unicode(obj)
- return obj
-
-
-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]})
+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)
-
- form = forms.SearchForm()
- return render_to_response('catalogue/main_page.html', locals(),
+ fragment_tags = categories.get('theme', [])
+
+ return render_to_response('catalogue/catalogue.html', locals(),
context_instance=RequestContext(request))
-def book_list(request):
- books = models.Book.objects.all()
- 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(),
+def book_list(request, filter=None, template_name='catalogue/book_list.html',
+ 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)
+
+ 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 collection(request, slug):
+ coll = get_object_or_404(models.Collection, slug=slug)
+ slugs = coll.book_slugs.split()
+ # allow URIs
+ slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
+ for slug in slugs]
+ return book_list(request, Q(slug__in=slugs),
+ template_name='catalogue/collection.html',
+ 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))
+
+
+@never_cache
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
-
- model = models.Book
- shelf = [tag for tag in tags if tag.category == 'set']
- shelf_is_set = (len(tags) == 1 and tags[0].category == 'set')
- theme_is_set = len([tag for tag in tags if tag.category == 'theme']) > 0
+
+ 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:
- model = models.Fragment
- only_author = len(tags) == 1 and tags[0].category == 'author'
- pd_counter = only_author and tags[0].goes_to_pd()
-
- user_is_owner = (len(shelf) and request.user.is_authenticated() and request.user == shelf[0].user)
-
- extra_where = "catalogue_tag.category NOT IN ('set', 'book')"
- related_tags = models.Tag.objects.related_for_model(tags, model, counts=True, extra={'where': [extra_where]})
- categories = split_tags(related_tags)
-
- if not (theme_is_set or shelf_is_set):
- model=models.Book.objects.filter(parent=None)
-
- return newtagging_views.tagged_object_list(
- request,
- tag_model=models.Tag,
- queryset_or_model=model,
- tags=tags,
- template_name='catalogue/tagged_object_list.html',
- extra_context = {
+ 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])
+ 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]
+ 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,
- 'shelf_is_set': shelf_is_set,
+ 'only_shelf': only_shelf,
'only_author': only_author,
- 'pd_counter': pd_counter,
- 'user_is_owner': user_is_owner,
+ '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_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)
+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])
-
- form = forms.SearchForm()
+
return render_to_response('catalogue/book_fragments.html', locals(),
context_instance=RequestContext(request))
+@never_cache
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)
- 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()
-
- 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 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(),
+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():
+ ogg_files[m.name] = m
+
+ audiobooks = []
+ have_oggs = True
+ projects = set()
+ for mp3 in book.media.filter(type='mp3'):
+ # ogg files are always from the same project
+ meta = mp3.get_extra_info_value()
+ 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.get_extra_info_value()
+
+ 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)
return render_to_response('catalogue/book_text.html', locals(),
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
- return list(books) + list(tags) + list(book_stubs)
+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))
-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 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 = []
- # 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))
# 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)))
-
-
-# ====================
-# = 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):
- 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(_('<p>To maintain your shelves you need to be logged in.</p>'))
-
- 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.save()
-
- for shelf in [shelf for shelf in new_shelves if shelf not in old_shelves]:
- shelf.book_count += 1
- shelf.save()
-
- book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user)))
- if request.is_ajax():
- return HttpResponse(_('<p>Shelves were sucessfully saved.</p>'))
- 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 -= 1
- 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', 'odt', 'txt', 'mp3', 'ogg']
-
- # Create a ZIP archive
- temp = tempfile.TemporaryFile()
- archive = zipfile.ZipFile(temp, 'w')
-
- 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 '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-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, 'odt': False, 'txt': False, 'mp3': False, 'ogg': 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.txt_file:
- formats['txt'] = True
- if book.mp3_file:
- formats['mp3'] = True
- if book.ogg_file:
- formats['ogg'] = 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 HttpResponse(_('<p>Shelf <strong>%s</strong> was successfully created</p>') % 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(_('<p>Shelf <strong>%s</strong> was successfully removed</p>') % user_set.name)
- else:
- return HttpResponseRedirect('/')
-
-
-# ==================
-# = Authentication =
-# ==================
-@require_POST
-@cache.never_cache
-def login(request):
- form = AuthenticationForm(data=request.POST, prefix='login')
- if form.is_valid():
- auth.login(request, form.get_user())
- response_data = {'success': True, 'errors': {}}
- else:
- response_data = {'success': False, 'errors': form.errors}
- return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
-
-
-@require_POST
-@cache.never_cache
-def register(request):
- registration_form = UserCreationForm(request.POST, prefix='registration')
- if registration_form.is_valid():
- user = registration_form.save()
- user = auth.authenticate(
- username=registration_form.cleaned_data['username'],
- password=registration_form.cleaned_data['password1']
- )
- auth.login(request, user)
- response_data = {'success': True, 'errors': {}}
+ 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:
- 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='/?='))
-
+ result = {"matches": tags_list}
+ return JSONResponse(result, callback)
# =========
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]))
- _('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:
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()
- """
- from datetime import datetime
- return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
\ No newline at end of file
+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='/?='))
+
+
+def download_custom_pdf(request, slug, method='GET'):
+ book = get_object_or_404(models.Book, slug=slug)
+
+ if request.method == method:
+ form = forms.CustomPDFForm(method == 'GET' and request.GET or request.POST)
+ 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.slug), 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 = _('Download custom PDF')
+ submit = _('Download')
+
+ def __call__(self, request):
+ from copy import copy
+ if request.method == 'POST':
+ request.GET = copy(request.GET)
+ request.GET['next'] = "%s?%s" % (reverse('catalogue.views.download_custom_pdf', args=[request.GET.get('slug')]),
+ request.POST.urlencode())
+ return super(CustomPDFFormView, self).__call__(request)
+
+ def get_object(self, request):
+ return get_object_or_404(models.Book, slug=request.GET.get('slug'))
+
+ def context_description(self, request, obj):
+ return obj.pretty_title()
+
+ def success(self, *args):
+ pass
fnp / wolnelektury.git / blobdiff