Merge pull request #1026 from chrishunt/link-twitter-handles

Link Twitter handles and hashtags in Twitter onebox

lib/oneboxer/twitter_onebox.rb

@@ -24,15 +24,50 @@ module Oneboxer
       result['created_at'] =
         Time.parse(result['created_at']).strftime("%I:%M%p - %d %b %y")
 
-      URI.extract(result['text'], %w(http https)).each do |url|
-        result['text'].gsub!(url, "<a href='#{url}' target='_blank'>#{url}</a>")
-      end
+      result['text'] = link_all_the_things_in result['text']
 
       result
     end
 
     private
 
+    def link_all_the_things_in(text)
+      link_hashtags_in link_handles_in link_urls_in(text)
+    end
+
+    def link_urls_in(text)
+      URI.extract(text, %w(http https)).each do |url|
+        text.gsub!(url, "<a href='#{url}' target='_blank'>#{url}</a>")
+      end
+
+      text
+    end
+
+    def link_handles_in(text)
+      text.scan(/\s@(\w+)/).flatten.uniq.each do |handle|
+        text.gsub!("@#{handle}", [
+          "<a href='https://twitter.com/#{handle}' target='_blank'>",
+            "@#{handle}",
+          "</a>"
+        ].join)
+      end
+
+      text
+    end
+
+    def link_hashtags_in(text)
+      text.scan(/\s#(\w+)/).flatten.uniq.each do |hashtag|
+        text.gsub!("##{hashtag}", [
+          "<a href='https://twitter.com/search?q=%23#{hashtag}' ",
+          "target='_blank'>",
+            "##{hashtag}",
+          "</a>"
+        ].join)
+      end
+
+      text
+    end
+
     def tweet_for(id)
       request = Net::HTTP::Get.new(tweet_uri_for id)
 

spec/components/oneboxer/twitter_onebox_spec.rb

@@ -0,0 +1,56 @@
+require 'spec_helper'
+
+describe Oneboxer::TwitterOnebox do
+  subject { described_class.new(nil, nil) }
+
+  let(:data) { %({ "text":"#{text}", "created_at":"#{created_at}" }) }
+
+  let(:text) { '' }
+  let(:created_at) { '2013-06-13T22:37:05Z' }
+
+  describe '#parse' do
+    it 'formats the timestamp' do
+      expect(subject.parse(data)['created_at']).to eq '10:37PM - 13 Jun 13'
+    end
+
+    context 'when text contains a url' do
+      let(:text) { 'Twitter http://twitter.com' }
+
+      it 'wraps eack url in a link' do
+        expect(subject.parse(data)['text']).to eq([
+          "Twitter ",
+          "<a href='http://twitter.com' target='_blank'>",
+            "http://twitter.com",
+          "</a>"
+        ].join)
+      end
+    end
+
+    context 'when the text contains a twitter handle' do
+      let(:text) { 'I like @chrishunt' }
+
+      it 'wraps each handle in a link' do
+        expect(subject.parse(data)['text']).to eq([
+          "I like ",
+          "<a href='https://twitter.com/chrishunt' target='_blank'>",
+            "@chrishunt",
+          "</a>"
+        ].join)
+      end
+    end
+
+    context 'when the text contains a hashtag' do
+      let(:text) { 'No secrets. #NSA' }
+
+      it 'wraps each hashtag in a link' do
+        expect(subject.parse(data)['text']).to eq([
+          "No secrets. ",
+          "<a href='https://twitter.com/search?q=%23NSA' target='_blank'>",
+            "#NSA",
+          "</a>"
+        ].join)
+      end
+    end
+  end
+end
+