+++ /dev/null
-from datetime import datetime
-from functools import wraps
-
-from django import http
-import json
-from django.utils.functional import Promise
-
-
-class ExtendedEncoder(json.JSONEncoder):
-
- def default(self, obj):
- if isinstance(obj, Promise):
- return unicode(obj)
-
- if isinstance(obj, datetime):
- return datetime.ctime(obj) + " " + (datetime.tzname(obj) or 'GMT')
-
- return json.JSONEncoder.default(self, obj)
-
-
-# shortcut for JSON reponses
-class JSONResponse(http.HttpResponse):
-
- def __init__(self, data={}, **kwargs):
- # get rid of content_type
- kwargs.pop('content_type', None)
-
- data = json.dumps(data, cls=ExtendedEncoder)
- super(JSONResponse, self).__init__(data, content_type="application/json", **kwargs)
-
-
-# return errors
-class JSONFormInvalid(JSONResponse):
- def __init__(self, form):
- super(JSONFormInvalid, self).__init__(form.errors, status=400)
-
-
-class JSONServerError(JSONResponse):
- def __init__(self, *args, **kwargs):
- kwargs['status'] = 500
- super(JSONServerError, self).__init__(*args, **kwargs)
-
-
-def ajax_login_required(view):
- @wraps(view)
- def authenticated_view(request, *args, **kwargs):
- if not request.user.is_authenticated():
- return http.HttpResponse("Login required.", status=401, content_type="text/plain")
- return view(request, *args, **kwargs)
- return authenticated_view
-
-
-def ajax_require_permission(permission):
- def decorator(view):
- @wraps(view)
- def authorized_view(request, *args, **kwargs):
- if not request.user.has_perm(permission):
- return http.HttpResponse("Access Forbidden.", status=403, content_type="text/plain")
- return view(request, *args, **kwargs)
- return authorized_view
- return decorator