X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fcontroller_helper.ex;h=55706eeb84a7e843d4ab8c3bd73d8de56febeb12;hb=5e2b491276d5cd8d90fddf219f7653d1c9b31ef3;hp=ddf958811437a07e44dda313dbc6c5778efc7e03;hpb=443d59baa05165c3b5b7ab14f3eabd6f2eba09f2;p=akkoma

diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index ddf958811..55706eeb8 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -1,6 +1,15 @@
+# Pleroma: A lightweight social networking server
+# 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)