From 43fd27fd0ce4111501c36a6ef162aed61bf3318c Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Thu, 26 Nov 2009 20:12:20 +0000
Subject: Show last update datetime (last attachment added) on document list
 (#4232).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3095 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/controllers/documents_controller.rb | 2 +-
 app/models/document.rb                  | 8 ++++++++
 app/views/documents/_document.rhtml     | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

(limited to 'app')

diff --git a/app/controllers/documents_controller.rb b/app/controllers/documents_controller.rb
index c9eecf4f7..9d9c5a7d0 100644
--- a/app/controllers/documents_controller.rb
+++ b/app/controllers/documents_controller.rb
@@ -28,7 +28,7 @@ class DocumentsController < ApplicationController
     documents = @project.documents.find :all, :include => [:attachments, :category]
     case @sort_by
     when 'date'
-      @grouped = documents.group_by {|d| d.created_on.to_date }
+      @grouped = documents.group_by {|d| d.updated_on.to_date }
     when 'title'
       @grouped = documents.group_by {|d| d.title.first.upcase}
     when 'author'
diff --git a/app/models/document.rb b/app/models/document.rb
index a96c278d0..1318e823d 100644
--- a/app/models/document.rb
+++ b/app/models/document.rb
@@ -34,4 +34,12 @@ class Document < ActiveRecord::Base
       self.category ||= DocumentCategory.default
     end
   end
+  
+  def updated_on
+    unless @updated_on
+      a = attachments.find(:first, :order => 'created_on DESC')
+      @updated_on = (a && a.created_on) || created_on
+    end
+    @updated_on
+  end
 end
diff --git a/app/views/documents/_document.rhtml b/app/views/documents/_document.rhtml
index 47b450000..94a64ac80 100644
--- a/app/views/documents/_document.rhtml
+++ b/app/views/documents/_document.rhtml
@@ -1,3 +1,3 @@
 <p><%= link_to h(document.title), :controller => 'documents', :action => 'show', :id => document %><br />
 <% unless document.description.blank? %><%=h(truncate(document.description, :length => 250)) %><br /><% end %>
-<em><%= format_time(document.created_on) %></em></p>
\ No newline at end of file
+<em><%= format_time(document.updated_on) %></em></p>
\ No newline at end of file
-- 
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