回复项目里的message,不增加项目动态及组织动态

app/models/forge_activity.rb

@@ -46,12 +46,15 @@ class ForgeActivity < ActiveRecord::Base
   end
 
   def add_org_activity
+    org_activity = OrgActivity.where("org_act_type = '#{self.forge_act_type.to_s}' and org_act_id = #{self.forge_act_id}").first
+    if org_activity
+      org_activity.created_at = self.created_at
+      org_activity.save
+    else
       if self.forge_act_type == 'Message' && !self.forge_act.parent_id.nil?
         org_activity = OrgActivity.where("org_act_type = 'Message' and org_act_id = #{self.forge_act.parent.id}").first
-      if org_activity
         org_activity.created_at = self.created_at
         org_activity.save
-      end
       else
         OrgActivity.create(:user_id => self.user_id,
                            :org_act_id => self.forge_act_id,
@@ -62,6 +65,7 @@ class ForgeActivity < ActiveRecord::Base
                            :updated_at => self.updated_at)
       end
     end
+  end
 
   def destroy_user_activity
     user_activity = UserActivity.where("act_type = '#{self.forge_act_type.to_s}' and act_id = '#{self.forge_act_id}'")

app/models/message.rb

@@ -186,7 +186,7 @@ class Message < ActiveRecord::Base
   # Description 
   def act_as_forge_activity
     # 如果project为空，那么就是课程相关的消息
-    if !self.board.project.nil?
+    if !self.board.project.nil? && self.parent_id.nil?
       self.forge_acts << ForgeActivity.new(:user_id => self.author_id,
                                              :project_id => self.board.project.id)
     end