enhancement: show the topic type within search results. Only show the…

… exact one, but has ability to display heirarchy (Topic -> Person)

app/views/search/_generic.rhtml

@@ -2,6 +2,11 @@
   <div class="generic-result-header">
     <h4><%= link_to h(title), source_url, :tabindex => '1' %></h4>
   </div>
+  <% if topic_types %>
+    <div class="generic-result-topic-type">
+      Topic type: <%= topic_types.last %>
+    </div>
+  <% end %>
   <div class="generic-result-description">
     <%= strip_tags(short_summary) %>
     <div class="generic-result-more">

app/views/search/_results.rhtml

@@ -91,7 +91,8 @@
                     :short_summary => result[:short_summary],
                     :related => result[:related],
                     :result => result[:id],
-                    :first_result => (index == 0) } -%>
+                    :first_result => (index == 0),
+                    :topic_types => result[:topic_types] } -%>
 
       <% if result[:class] == 'StillImage' %>
         <%= render(:partial => "image", :locals => locals.merge({ :locally_hosted => result[:locally_hosted],

lib/zoom_search.rb

@@ -238,6 +238,14 @@ def parse_from_xml_in(zoom_record)
         result_hash[field_name.to_sym] = field_value
       end
 
+      # determine the topic type(s)
+      topic_type_names = TopicType.all(:select => 'name').collect { |topic_type| topic_type.name }
+      result_hash[:topic_types] = Array.new
+      oai_dc.xpath(".//dc:coverage", oai_dc.namespaces).each do |node|
+        value = node.content.strip
+        result_hash[:topic_types] << value if topic_type_names.include?(value)
+      end
+
       # get coverage values, these can be used for geographic values or temporal information
       location_or_temporal_nodes = oai_dc.xpath(".//dc:coverage", oai_dc.namespaces).select { |node| !node.content.scan(":").blank? }