FEATURE: index YouTube titles in search

Previously we omitted the titles for videos that YouTube provided

app/services/search_indexer.rb

@@ -196,6 +196,11 @@ class SearchIndexer
         scrubbed << attributes["title"]
         scrubbed << " "
       end
+      if attributes["data-youtube-title"]
+        scrubbed << " "
+        scrubbed << attributes["data-youtube-title"]
+        scrubbed << " "
+      end
     end
 
     def characters(string)

spec/services/search_indexer_spec.rb

@@ -13,6 +13,14 @@ describe SearchIndexer do
     expect(raw_data.split(' ').length).to eq(2)
   end
 
+  it 'extract youtube title' do
+    html = "<div class=\"lazyYT\" data-youtube-id=\"lmFgeFh2nlw\" data-youtube-title=\"Metallica Mixer Explains Missing Bass on 'And Justice for All' [Exclusive]\" data-width=\"480\" data-height=\"270\" data-parameters=\"feature=oembed&amp;wmode=opaque\"></div>"
+
+    scrubbed = SearchIndexer::HtmlScrubber.scrub(html)
+
+    expect(scrubbed).to eq(" Metallica Mixer Explains Missing Bass on 'And Justice for All' [Exclusive] ")
+  end
+
   it 'correctly indexes a post according to version' do
     # Preparing so that they can be indexed to right version
     SearchIndexer.update_posts_index(post_id, "dummy", "", nil, nil)