def toggle_category():
resp = {'status': 'success'}
urlkey = request.args.get('key')
if urlkey is None:
raise tasklets.Return({'status': 'error'})
category = yield Category.get_async(urlkey)
u2c = yield User2Category.delete_async(g.user, category)
if u2c:
resp.update({'data': 'deleted'})
elif category is not None:
User2Category.create_async(g.user, category)
resp.update({'data': 'created'})
else:
resp['status'] = 'error'
raise tasklets.Return(request.is_xhr and jsonify(**resp) or
redirect(url_for('.setup_profile')))
