X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/201c6e84c472efdbb188246d68ac48a570ea9067..4b36a346031070515c3029e0050c1990e8a6a3eb:/apps/catalogue/views.py?ds=sidebyside diff --git a/apps/catalogue/views.py b/apps/catalogue/views.py index 126b00940..cf1461feb 100644 --- a/apps/catalogue/views.py +++ b/apps/catalogue/views.py @@ -7,6 +7,7 @@ import zipfile import sys import pprint import traceback +import re from django.conf import settings from django.template import RequestContext @@ -22,7 +23,9 @@ from django.contrib.auth.forms import UserCreationForm, AuthenticationForm from django.utils import simplejson from django.utils.functional import Promise from django.utils.encoding import force_unicode +from django.utils.http import urlquote_plus from django.views.decorators import cache +from django.utils.translation import ugettext as _ from catalogue import models from catalogue import forms @@ -170,16 +173,24 @@ def book_text(request, slug): # ========== # = Search = # ========== + +def _no_diacritics_regexp(query): + """ returns a regexp for searching for a query without diacritics + + should be locale-aware """ + names = {'a':u'Ä ', 'c':u'Ä', 'e':u'Ä', 'l': u'Å', 'n':u'Å', 'o':u'ó', 's':u'Å', 'z':u'ź|ż'} + def repl(m): + l = m.group() + return "(%s|%s)" % (l, names[l]) + return re.sub('[%s]'%(''.join(names.keys())), repl, query) + def _word_starts_with(name, prefix): - """returns a Q object gettings models having `name` contain a word + """returns a Q object getting models having `name` contain a word starting with `prefix` """ kwargs = {} if settings.DATABASE_ENGINE in ('mysql', 'postgresql_psycopg2', 'postgresql'): - # we must escape `prefix` so that it only matches literally - for special in r'\^$.*+?|(){}[]': - prefix = prefix.replace(special, '\\' + special) - + 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 @@ -190,6 +201,19 @@ def _word_starts_with(name, 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')) + + return list(books) + list(tags) + list(book_stubs) + + 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)) @@ -203,6 +227,24 @@ def _tags_starting_with(prefix, user): return list(books) + list(tags) + list(book_stubs) + +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])} + ) + +def _get_result_type(match): + if isinstance(match, models.Book) or isinstance(match, models.BookStub): + type = 'book' + else: + type = match.category + return dict(models.TAG_CATEGORIES)[type] + + + def search(request): tags = request.GET.get('tags', '') prefix = request.GET.get('q', '') @@ -214,35 +256,26 @@ def search(request): # Prefix must have at least 2 characters if len(prefix) < 2: - return HttpResponseRedirect(reverse('catalogue.views.search_no_hits', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list)} - )) + return render_to_response('catalogue/search_too_short.html', {'tags':tag_list, 'prefix':prefix}, + context_instance=RequestContext(request)) - result = _tags_starting_with(prefix, request.user) - if len(result) > 0: - tag = result[0] - if isinstance(tag, models.Book) or isinstance(tag, models.BookStub): - return HttpResponseRedirect(tag.get_absolute_url()) - else: - tag_list.append(tag) - - return HttpResponseRedirect(reverse('catalogue.views.tagged_object_list', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list)} - )) + result = _tags_exact_matches(prefix, request.user) + + if len(result) > 1: + # multiple exact matches + 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 HttpResponseRedirect(reverse('catalogue.views.search_no_hits', - kwargs={'tags': '/'.join(tag.slug for tag in tag_list)} - )) - - -def search_no_hits(request, tags): - try: - tag_list = models.Tag.get_tag_list(tags) - except: - tag_list = [] - - return render_to_response('catalogue/search_no_hits.html', {'tags':tag_list}, - context_instance=RequestContext(request)) + return render_to_response('catalogue/search_no_hits.html', {'tags':tag_list, 'prefix':prefix}, + context_instance=RequestContext(request)) def tags_starting_with(request): @@ -272,7 +305,7 @@ def book_sets(request, slug): book_sets = book.tags.filter(category='set', user=request.user) if not request.user.is_authenticated(): - return HttpResponse('
Aby zarzÄ dzaÄ swoimi póÅkami, musisz siÄ zalogowaÄ.
') + return HttpResponse(_('To maintain your shelves you need to be logged in.
')) if request.method == 'POST': form = forms.ObjectSetsForm(book, request.user, request.POST) @@ -290,7 +323,7 @@ def book_sets(request, slug): book.tags = new_shelves + list(book.tags.filter(~Q(category='set') | ~Q(user=request.user))) if request.is_ajax(): - return HttpResponse('PóÅki zostaÅy zapisane.
') + return HttpResponse(_('Shelves were sucessfully saved.
')) else: return HttpResponseRedirect('/') else: @@ -314,9 +347,9 @@ def remove_from_shelf(request, shelf, book): shelf.book_count -= 1 shelf.save() - return HttpResponse('UsuniÄto') + return HttpResponse(_('Book was successfully removed from the shelf')) else: - return HttpResponse('KsiÄ Å¼ki nie ma na póÅce') + return HttpResponse(_('This book is not on the shelf')) def collect_books(books): @@ -349,7 +382,7 @@ def download_shelf(request, slug): formats = ['pdf', 'odt', 'txt', 'mp3', 'ogg'] # Create a ZIP archive - temp = temp = tempfile.TemporaryFile() + temp = tempfile.TemporaryFile() archive = zipfile.ZipFile(temp, 'w') for book in collect_books(models.Book.tagged.with_all(shelf)): @@ -412,7 +445,7 @@ def new_set(request): new_set = new_set_form.save(request.user) if request.is_ajax(): - return HttpResponse(u'PóÅka %s zostaÅa utworzona
' % new_set) + return HttpResponse(_('Shelf %s was successfully created
') % new_set) else: return HttpResponseRedirect('/') @@ -427,7 +460,7 @@ def delete_shelf(request, slug): user_set.delete() if request.is_ajax(): - return HttpResponse(u'PóÅka %s zostaÅa usuniÄta
' % user_set.name) + return HttpResponse(_('Shelf %s was successfully removed
') % user_set.name) else: return HttpResponseRedirect('/') @@ -467,7 +500,7 @@ def register(request): @cache.never_cache def logout_then_redirect(request): auth.logout(request) - return HttpResponseRedirect(request.GET.get('next', '/')) + return HttpResponseRedirect(urlquote_plus(request.GET.get('next', '/'), safe='/?=')) @@ -486,10 +519,11 @@ def import_book(request): info = sys.exc_info() exception = pprint.pformat(info[1]) tb = '\n'.join(traceback.format_tb(info[2])) - return HttpResponse("An error occurred: %s\n\n%s" % (exception, tb), mimetype='text/plain') - return HttpResponse("Book imported successfully") + _('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) + return HttpResponse(_("Error importing file: %r") % book_import_form.errors) @@ -498,4 +532,4 @@ def clock(request): in a format suitable for Date.parse() """ from datetime import datetime - return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S')) + return HttpResponse(datetime.now().strftime('%Y/%m/%d %H:%M:%S')) \ No newline at end of file