Init dump

app/types/array_of_items_type.rb

@@ -0,0 +1,23 @@
+class ArrayOfItemsType < ActiveModel::Type::Value
+  # The `cast` method is used to convert an incoming value into the desired type.
+  def cast(value)
+    return unless value.present?
+
+    Array.wrap(value).map do |item_data|
+      # Assuming item_data is a hash, this creates an instance of the Item class.
+      # You can modify this part to match your object's initializer.
+      if item_data.is_a?(Hash)
+        Item.new(item_data)
+      else
+        item_data # Return the item as-is if it's already an object
+      end
+    end
+  end
+
+  # This method is used when defining the type to convert it to a string for serialization.
+  def serialize(value)
+    value
+  end
+end
+
+ActiveModel::Type.register(:array_of_items, ArrayOfItemsType)