app/views/collection_members/show.json.erb
<% if @document.collection_members.present? %>
<% if @document.collection_members.render_type == 'filmstrip' %>
<%= render partial: 'collection_members/image_collection_filmstrip', locals: { collection_document: @document } %>
<% else %>
<%= render partial: 'collection_members/file_collection_members', locals: { document: @document } %>
<% end %>
<% end %>