From cf0624ddb2811441efeaa82ef56006290907cc86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Codru=C8=9B=20Constantin=20Gu=C8=99oi?=
 <mail+git@codrut.pro>
Date: Thu, 4 Apr 2024 21:24:00 +0100
Subject: [PATCH] Potential solution to handling arrays

---
 app/controllers/administrate/application_controller.rb | 9 +++++++--
 app/views/fields/string/_form.html.erb                 | 6 +++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/app/controllers/administrate/application_controller.rb b/app/controllers/administrate/application_controller.rb
index 63f486d5ae..7b8a11a9b5 100644
--- a/app/controllers/administrate/application_controller.rb
+++ b/app/controllers/administrate/application_controller.rb
@@ -204,10 +204,13 @@ def apply_collection_includes(relation)
     def resource_params
       params.require(resource_class.model_name.param_key)
         .permit(dashboard.permitted_attributes(action_name))
-        .transform_values { |v| read_param_value(v) }
+        .to_h
+        .each_with_object({}) do |(key, value), result|
+          result[key] = read_param_value(key, value, resource_class)
+        end
     end
 
-    def read_param_value(data)
+    def read_param_value(key, data, resource_class)
       if data.is_a?(ActionController::Parameters) && data[:type]
         if data[:type] == Administrate::Field::Polymorphic.to_s
           GlobalID::Locator.locate(data[:value])
@@ -218,6 +221,8 @@ def read_param_value(data)
         data.transform_values { |v| read_param_value(v) }
       elsif data.is_a?(String) && data.blank?
         nil
+      elsif data.is_a?(String) && resource_class.columns_hash[key.to_s].array?
+        JSON.parse(data)
       else
         data
       end
diff --git a/app/views/fields/string/_form.html.erb b/app/views/fields/string/_form.html.erb
index 96e9d2630d..28253fa60c 100644
--- a/app/views/fields/string/_form.html.erb
+++ b/app/views/fields/string/_form.html.erb
@@ -19,5 +19,9 @@ By default, the input is a text field.
   <%= f.label field.attribute %>
 </div>
 <div class="field-unit__field">
-  <%= f.text_field field.attribute %>
+  <% if field.resource.class.columns_hash[field.attribute.to_s].array? %>
+    <%= f.text_field field.attribute, value: JSON.dump(field.data) %>
+  <% else %>
+    <%= f.text_field field.attribute, value: field.data %>
+  <% end %>
 </div>