X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fcontroller_helper.ex;h=55706eeb84a7e843d4ab8c3bd73d8de56febeb12;hb=bb6a421afc598e9922a05f75a9c215d955019675;hp=cb0463eeb52314429a3bb5987b23ca6fe54a7f2c;hpb=89fbed88212657e3dcd4bbcb2c0718b07802037f;p=akkoma

diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index cb0463eeb..55706eeb8 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -1,10 +1,15 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ControllerHelper do
   use Pleroma.Web, :controller
 
+  # As in MastoAPI, per https://api.rubyonrails.org/classes/ActiveModel/Type/Boolean.html
+  @falsy_param_values [false, 0, "0", "f", "F", "false", "FALSE", "off", "OFF"]
+  def truthy_param?(blank_value) when blank_value in [nil, ""], do: nil
+  def truthy_param?(value), do: value not in @falsy_param_values
+
   def json_response(conn, status, json) do
     conn
     |> put_status(status)