From 7ecd0995074d9b42fa96996554f6c41a8b35dbc6 Mon Sep 17 00:00:00 2001
From: Andrew Cantino <cantino@gmail.com>
Date: Mon, 9 Jun 2014 23:08:32 -0700
Subject: [PATCH] fix OpenStruct for 1.9.3

---
 app/models/scenario_import.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/app/models/scenario_import.rb b/app/models/scenario_import.rb
index edf55eb8..dd853770 100644
--- a/app/models/scenario_import.rb
+++ b/app/models/scenario_import.rb
@@ -237,5 +237,20 @@ class ScenarioImport
       yield 'propagate_immediately', propagate_immediately, boolean if self['propagate_immediately'].present? && propagate_immediately.requires_merge?
       yield 'disabled', disabled, boolean if disabled.requires_merge?
     end
+
+    # Unfortunately Ruby 1.9's OpenStruct doesn't expose [] and []=.
+    unless instance_methods.include?(:[]=)
+      def [](key)
+        self.send(sanitize key)
+      end
+
+      def []=(key, val)
+        self.send("#{sanitize key}=", val)
+      end
+
+      def sanitize(key)
+        key.gsub(/[^a-zA-Z0-9_-]/, '')
+      end
+    end
   end
 end