rails-docstore/app/views/documents/show.html.erb

<p id="notice"><%= notice %></p>

<p>
  <strong>Name:</strong>
  <%= @document.name %>
</p>

<p>
  <strong>Category:</strong>
  <%= @document.category.get_fqcn %>
</p>

<% if File.exists?(@document.doc.path(:thumb)) %>
  <p>
    <%= link_to image_tag(@document.doc.url(:thumb), alt: 'Thumbnail of PDF'), @document.doc.url %>
  </p>
<% else %>
  <p>
    <%= link_to @document.doc_file_name, @document.doc.url %>
  </p>
<% end %>

<% if @document.content %>
  <p>
    <strong>Content:</strong>
    <%= @document.content.text.truncate_words(30) %>
  </p>
  <p>
    <strong>Words (length > 3):</strong>
    <%= @document.content.text.squish.split(/\s+/).uniq.delete_if { |w| w.length <= 3 } %>
  </p>
<% end %>


<%= link_to 'Edit', edit_document_path(@document) %> |
<%= link_to 'Back', documents_path %>