[#123] Port the send_notification feature to aaj

vendor/plugins/acts_as_journalized/app/models/journal_observer.rb

@@ -16,10 +16,13 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class JournalObserver < ActiveRecord::Observer
+  attr_accessor :send_notification
+
   def after_create(journal)
-    if journal.type == "IssueJournal" and journal.version > 1
+    if journal.type == "IssueJournal" and journal.version > 1 and self.send_notification
       after_create_issue_journal(journal)
     end
+    clear_notification
   end
 
   def after_create_issue_journal(journal)
@@ -30,4 +33,18 @@ class JournalObserver < ActiveRecord::Observer
       Mailer.deliver_issue_edit(journal)
     end
   end
+
+  # Wrap send_notification so it defaults to true, when it's nil
+  def send_notification
+    return true if @send_notification.nil?
+    return @send_notification
+  end
+  
+  private
+
+  # Need to clear the notification setting after each usage otherwise it might be cached
+  def clear_notification
+    @send_notification = true
+  end
+
 end