X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/652e2d66d7f88cc6b857edc4aaac7e14a654eb36..8885fd14f5f040eb3aa69f1d705856f99a1fa572:/src/ajaxable/utils.py diff --git a/src/ajaxable/utils.py b/src/ajaxable/utils.py old mode 100755 new mode 100644 index 9fd009108..ddb36d8ba --- a/src/ajaxable/utils.py +++ b/src/ajaxable/utils.py @@ -1,26 +1,24 @@ -# -*- 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. +# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Wolne Lektury. See NOTICE for more information. # from functools import wraps +import json +from urllib.parse import quote_plus from django.http import HttpResponse, HttpResponseRedirect, HttpResponseForbidden -from django.shortcuts import render_to_response -from django.template import RequestContext -from django.utils.encoding import force_unicode +from django.shortcuts import render +from django.utils.encoding import force_str from django.utils.functional import Promise -from django.utils.http import urlquote_plus -import json -from django.utils.translation import ugettext_lazy as _ from django.views.decorators.vary import vary_on_headers from honeypot.decorators import verify_honeypot_value +from wolnelektury.utils import is_ajax class LazyEncoder(json.JSONEncoder): - def default(self, obj): - if isinstance(obj, Promise): - return force_unicode(obj) - return obj + def default(self, o): + if isinstance(o, Promise): + return force_str(o) + return o def method_decorator(function_decorator): @@ -40,29 +38,21 @@ def method_decorator(function_decorator): def require_login(request): """Return 403 if request is AJAX. Redirect to login page if not.""" - if request.is_ajax(): + if is_ajax(request): return HttpResponseForbidden('Not logged in') - else: - return HttpResponseRedirect('/uzytkownicy/zaloguj') # next?=request.build_full_path()) - + return HttpResponseRedirect('/uzytkownicy/zaloguj') # next?=request.build_full_path()) -def placeholdized(form): - for field in form.fields.values(): - field.widget.attrs['placeholder'] = field.label - return form - -class AjaxableFormView(object): +class AjaxableFormView: """Subclass this to create an ajaxable view for any form. In the subclass, provide at least form_class. """ form_class = None - placeholdize = False # override to customize form look template = "ajaxable/form.html" - submit = _('Send') + submit = 'Send' action = '' title = '' @@ -77,6 +67,11 @@ class AjaxableFormView(object): def __call__(self, request, *args, **kwargs): """A view displaying a form, or JSON if request is AJAX.""" obj = self.get_object(request, *args, **kwargs) + + response = self.validate_object(obj, request) + if response: + return response + form_args, form_kwargs = self.form_args(request, obj) if self.form_prefix: form_kwargs['prefix'] = self.form_prefix @@ -88,7 +83,7 @@ class AjaxableFormView(object): return response # do I need to be logged in? - if self.POST_login and not request.user.is_authenticated(): + if self.POST_login and not request.user.is_authenticated: return require_login(request) form_kwargs['data'] = request.POST @@ -102,10 +97,10 @@ class AjaxableFormView(object): } if add_args: response_data.update(add_args) - if not request.is_ajax() and response_data['redirect']: - return HttpResponseRedirect(urlquote_plus( - response_data['redirect'], safe='/?=&')) - elif request.is_ajax(): + if not is_ajax(request) and response_data['redirect']: + return HttpResponseRedirect(quote_plus( + response_data['redirect'], safe='/?=&')) + elif is_ajax(request): # Form was sent with errors. Send them back. if self.form_prefix: errors = {} @@ -116,49 +111,48 @@ class AjaxableFormView(object): response_data = {'success': False, 'errors': errors} else: response_data = None - if request.is_ajax(): + if is_ajax(request): return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data)) else: - if self.POST_login and not request.user.is_authenticated() and not request.is_ajax(): + if self.POST_login and not request.user.is_authenticated and not is_ajax(request): return require_login(request) form = self.form_class(*form_args, **form_kwargs) response_data = None title = self.title - if request.is_ajax(): + if is_ajax(request): template = self.template else: template = self.full_template cd = self.context_description(request, obj) if cd: title += ": " + cd - if self.placeholdize: - form = placeholdized(form) context = { - self.formname: form, - "title": title, - "honeypot": self.honeypot, - "placeholdize": self.placeholdize, - "submit": self.submit, - "action": self.action, - "response_data": response_data, - "ajax_template": self.template, - "view_args": args, - "view_kwargs": kwargs, - } + self.formname: form, + "title": title, + "honeypot": self.honeypot, + "submit": self.submit, + "action": self.action, + "response_data": response_data, + "ajax_template": self.template, + "view_args": args, + "view_kwargs": kwargs, + } context.update(self.extra_context(request, obj)) - return render_to_response(template, context, context_instance=RequestContext(request)) + return render(request, template, context) + + def validate_object(self, obj, request): + return None def redirect_or_refresh(self, request, path, message=None): """If the form is AJAX, refresh the page. If not, go to `path`.""" - if request.is_ajax(): + if is_ajax(request): output = "" if message: output = "
" + message + "
" + output return HttpResponse(output) - else: - return HttpResponseRedirect(path) + return HttpResponseRedirect(path) def get_object(self, request, *args, **kwargs): """Override to parse view args and get some associated data."""