Table for links added (links to add images/documents).

Custom partial for admins upload image created, so that it can be reused in upload images and documents.

app/models/concerns/imageable.rb

@@ -5,6 +5,7 @@ module Imageable
 
   included do
     has_one :image, as: :imageable, dependent: :destroy
+    has_many :images, as: :imageable, dependent: :destroy
     accepts_nested_attributes_for :image, allow_destroy: true, update_only: true
 
     def image_url(style)

app/models/poll.rb

@@ -1,5 +1,6 @@
 class Poll < ActiveRecord::Base
-  include Imageable 
+  include Imageable
+  include Documentable
   
   has_many :booth_assignments, class_name: "Poll::BoothAssignment"
   has_many :booths, through: :booth_assignments