-# -*- 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.
#
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.utils.translation import gettext_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):
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):
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.
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
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
}
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 = {}
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
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,
+ "placeholdize": self.placeholdize,
+ "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 = "<script>window.location.reload()</script>"
if message:
output = "<div class='normal-text'>" + message + "</div>" + 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."""