From 4b9ab67aa8bdf7fdf7390080932fee2e5879a5e4 Mon Sep 17 00:00:00 2001
From: Egor Kislitsyn <egor@kislitsyn.com>
Date: Mon, 4 May 2020 21:46:25 +0400
Subject: [PATCH] Ignore unexpected ENUM values in query string

---
 lib/pleroma/web/api_spec/cast_and_validate.ex | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/pleroma/web/api_spec/cast_and_validate.ex b/lib/pleroma/web/api_spec/cast_and_validate.ex
index cd02403c1..b94517c52 100644
--- a/lib/pleroma/web/api_spec/cast_and_validate.ex
+++ b/lib/pleroma/web/api_spec/cast_and_validate.ex
@@ -110,6 +110,10 @@ defmodule Pleroma.Web.ApiSpec.CastAndValidate do
             %{reason: :unexpected_field, name: name, path: [name]}, params ->
               Map.delete(params, name)
 
+            %{reason: :invalid_enum, name: nil, path: path, value: value}, params ->
+              path = path |> Enum.reverse() |> tl() |> Enum.reverse() |> list_items_to_string()
+              update_in(params, path, &List.delete(&1, value))
+
             _, params ->
               params
           end)
@@ -118,4 +122,11 @@ defmodule Pleroma.Web.ApiSpec.CastAndValidate do
         OpenApiSpex.cast_and_validate(spec, operation, conn, content_type)
     end
   end
+
+  defp list_items_to_string(list) do
+    Enum.map(list, fn
+      i when is_atom(i) -> to_string(i)
+      i -> i
+    end)
+  end
 end