From 1e794b11d84e70f3ce8c6ae3203b950eeb05166c Mon Sep 17 00:00:00 2001
From: "byte[]" <byteslice@airmail.cc>
Date: Wed, 29 Apr 2020 23:35:05 -0400
Subject: [PATCH] fixes #106: prevent renaming the default filter

---
 lib/philomena/filters/filter.ex | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/philomena/filters/filter.ex b/lib/philomena/filters/filter.ex
index b59aa9a5..b72ae9ea 100644
--- a/lib/philomena/filters/filter.ex
+++ b/lib/philomena/filters/filter.ex
@@ -59,7 +59,7 @@ defmodule Philomena.Filters.Filter do
   end
 
   def update_changeset(filter, attrs) do
-    changeset(filter, attrs)
+    changeset(filter, strip_name_if_default(filter, attrs))
   end
 
   def deletion_changeset(filter) do
@@ -86,4 +86,9 @@ defmodule Philomena.Filters.Filter do
       changeset
     end
   end
+
+  defp strip_name_if_default(%{system: true, name: "Default"}, attrs),
+    do: Map.delete(attrs, "name")
+
+  defp strip_name_if_default(_filter, attrs), do: attrs
 end