<% unless @previous.nil?%>
<%= link_to "Previous", [ @photo.album.collections.first, @photo.album, @previous] %>
<% unless @next.nil? %>
|
<% end %>
<% end %>
<% unless @next.nil? %>
<%= link_to "Next", [ @photo.album.collections.first, @photo.album, @next] %>
<% end %>