FEATURE: highlight search results

lib/search/grouped_search_results.rb

@@ -8,10 +8,6 @@ class Search
 
     class TextHelper
       extend ActionView::Helpers::TextHelper
-      def self.sanitize(text)
-        # we run through sanitize at the end so it does not matter
-        text
-      end
     end
 
     attr_reader :type_filter,
@@ -33,15 +29,14 @@ class Search
       cooked = SearchObserver::HtmlScrubber.scrub(post.cooked).squish
       terms = @term.split(/\s+/)
       blurb = TextHelper.excerpt(cooked, terms.first, radius: 100)
-
-      # TODO highlight term
-      # terms.each do |term|
-      #   blurb = TextHelper.highlight(blurb, term)
-      # end
-
       blurb = TextHelper.truncate(cooked, length: 200) if blurb.blank?
+      blurb = Sanitize.clean(blurb)
 
-      Sanitize.clean(blurb)
+      terms.each do |term|
+        blurb.gsub!(Regexp.new("(#{Regexp.escape(term)})", Regexp::IGNORECASE), "<span class='highlighted'>\\1</span>")
+      end
+
+      blurb
     end
 
     def add(object)

spec/components/search_spec.rb

@@ -145,7 +145,7 @@ describe Search do
         p = result.posts[0]
         p.topic.id.should == topic.id
         p.id.should == reply.id
-        result.blurb(p).should == "this reply has no quotes"
+        result.blurb(p).should == "this reply has no <span class='highlighted'>quotes</span>"
       end
     end
 

spec/controllers/search_controller_spec.rb

@@ -15,7 +15,7 @@ describe SearchController do
       response.should be_success
       data = JSON.parse(response.body)
       data['posts'][0]['id'].should == my_post.id
-      data['posts'][0]['blurb'].should == 'this is my really awesome post'
+      data['posts'][0]['blurb'].should == 'this is my really <span class=\'highlighted\'>awesome</span> post'
       data['topics'][0]['id'].should == my_post.topic_id
     end
   end