From 7172d4367bcead5d918d855328cc758f30ba05aa Mon Sep 17 00:00:00 2001
From: Matteo Gheri
 <57362031+matteo-gheri-pocketworks@users.noreply.github.com>
Date: Thu, 29 Aug 2024 08:59:39 +0100
Subject: [PATCH] accept value_fn for {:array, _} field

---
 lib/kaffy/resource_form.ex | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/kaffy/resource_form.ex b/lib/kaffy/resource_form.ex
index 8651cec6..73bb793f 100644
--- a/lib/kaffy/resource_form.ex
+++ b/lib/kaffy/resource_form.ex
@@ -254,7 +254,14 @@ defmodule Kaffy.ResourceForm do
         case !is_nil(options[:values_fn]) && is_function(options[:values_fn], 2) do
           true ->
             values = options[:values_fn].(data, conn)
-            value = Map.get(data, field, nil)
+
+            value =
+              if is_function(options[:value_fn], 1) do
+                options[:value_fn].(data)
+              else
+                Map.get(data, field, nil)
+              end
+
             multiple_select(form, field, values, [value: value] ++ opts)
 
           false ->