enhanced LockedByAnotherUser exception which now includes a message showing the last modified time.

Closes #13

2 files changed, 7 insertions, 3 deletions

diff --git a/app/controllers/nodes_controller.rb b/app/controllers/nodes_controller.rb
index 538e2f6..e442bd2 100644
--- a/app/controllers/nodes_controller.rb
+++ b/app/controllers/nodes_controller.rb
@@ -49,8 +49,8 @@ class NodesController < ApplicationController
   def edit
     begin
       @draft = @node.find_or_create_draft( current_user )
-    rescue LockedByAnotherUser
-      flash[:error] = "Page is locked by another user who is working on it!"
+    rescue LockedByAnotherUser => e
+      flash[:error] = e.message
       redirect_to :back
     end
   end
diff --git a/app/models/node.rb b/app/models/node.rb
index fa9d519..b23e43b 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -64,7 +64,11 @@ class Node < ActiveRecord::Base
       draft.save
       draft
     elsif draft && self.lock_owner != current_user
-      raise LockedByAnotherUser
+      raise(
+        LockedByAnotherUser, 
+        "Page is locked by another user who is working on it! " \
+        "Last modification: #{draft.updated_at.to_s(:db)}"
+      )
     else
       lock_for! current_user
       create_new_draft current_user