attachments has_many for document, neuigkeit, thema

app/controllers/documents_controller.rb

@@ -21,6 +21,7 @@ class DocumentsController < ApplicationController
     @parent=@document.parent
     respond_to do |format|
        format.js
+      format.html
     end
   end
 

app/models/document.rb

@@ -9,6 +9,7 @@ class Document < ActiveRecord::Base
   validate :parent, :presence=>true
   has_paper_trail
   TYPS = { 1=>"fet_docs", 10=>"protocol", 11=> "agenda"}
+  has_many :attachments, :as=>:parent
   def long_name 
     if self.parent.class=="Meeting"
       "<b>"+self.parent.text+ "</b>"+ self.name

app/models/neuigkeit.rb

@@ -20,6 +20,9 @@ class Neuigkeit < ActiveRecord::Base
   has_many :calentries, as: :object
   has_many :nlinks   
   has_one :meeting
+  has_many :attachments, :as=>:parent
+  
+
 
   validates :rubrik, :presence=>true
   validates :author, :presence=>true

app/models/thema.rb

@@ -22,7 +22,7 @@ class Thema < ActiveRecord::Base
   # Each topic has multiple questions, that are also referenced in the FAQ. 
   has_many :fragen
   # Attachments can be all data formats
-  has_many :attachments
+  has_many :attachments, :as=>:parent
   # attached pics can be used as title pictures
   has_many :titlepics, :as=>:parent, :class_name=>'Attachment', :conditions=>{:flag_titlepic=>true}
   # each topic has to belong to one group