<% if current_user %>
    
    <%= error_messages_for 'diary_comment' %>
    <%= form_for :diary_comment, :url => { :action => 'comment' } do |f| %>
      <%= richtext_area :diary_comment, :body, :cols => 80, :rows => 15 %>
      <%= submit_tag t('.save_button') %>
    <% end %>
    <% if @entry.subscribers.exists?(current_user.id) %>
      
<%= link_to t('javascripts.changesets.show.unsubscribe'), diary_entry_unsubscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %>
    <% else %>
      
<%= link_to t('javascripts.changesets.show.subscribe'), diary_entry_subscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %>
    <% end %>
  <% else %>
    
  <% end %>