root/app/models/gallery.rb @ 15

class Gallery < ActiveRecord::Base
        has_many :gallery_files
        has_many :gallery_medias

        belongs_to :artwork
        belongs_to :engineering 
        
        def media_fields_update=(media_fields)
                media_fields.each do |id, media|
                        if (GalleryMedia.exists?(id))
                                GalleryMedia.find(id).update_attributes(media)
                        end 
                end
        end
end