Re-namespacing a bit to clear out some fairly old stuff from the top level

oldstuff/RubyFun/rails/hamster/app/helpers/application_helper.rb

@@ -0,0 +1,3 @@
+# Methods added to this helper will be available to all templates in the application.
+module ApplicationHelper
+end

oldstuff/RubyFun/rails/hamster/app/helpers/solr_helper.rb

@@ -0,0 +1,30 @@
+module SolrHelper
+  $select_url = 'http://localhost:8983/solr/select/'
+  $redis = '/home/me/repos/redis.git/src/redis-cli'
+
+  def get_results(search)
+    cached = `#{$redis} GET "query:#{search}"`
+
+    if cached.strip().length > 0
+      # puts "cached=#{cached}"
+      xml_results = REXML::Document.new cached
+    else
+      raw_results = open("#{$select_url}?q=#{search}").read
+      # puts "caching '#{raw_results}'"
+      `#{$redis} SET "query:#{search}" '#{raw_results}'`
+
+      xml_results = REXML::Document.new raw_results
+    end
+
+    results = []
+    REXML::XPath.each(xml_results, '//result/doc') do |doc|
+      results.push({
+        :id => doc.elements['./str[@name="id"]'],
+        :description => doc.elements['./str[@name="name"]']
+      })
+    end
+
+    return results
+  end
+
+end