Move tumblr post formatting into a separate helper class

app/helpers/social_helper/tumblr_methods.rb

@@ -0,0 +1,37 @@
+require 'cgi'
+
+module SocialHelper::TumblrMethods
+  include Rails.application.routes.url_helpers
+  
+  def tumblr_title(answer)
+    asker = if answer.question.author_is_anonymous?
+      APP_CONFIG['anonymous_name']
+    else
+      answer.question.user.profile.display_name.blank? ? answer.question.user.screen_name : answer.question.user.profile.display_name
+    end
+
+    "#{asker} asked: #{answer.question.content}"
+  end
+
+  def tumblr_body(answer)
+    answer_url = show_user_answer_url(
+        id: answer.id,
+        username: answer.user.screen_name,
+        host: APP_CONFIG['hostname'],
+        protocol: (APP_CONFIG['https'] ? :https : :http)
+    )
+
+    "#{answer.content}\n\n[Smile or comment on the answer here](#{answer_url})"
+  end
+
+  def tumblr_share_url(answer)
+    answer_url = show_user_answer_url(
+      id: answer.id,
+      username: answer.user.screen_name,
+      host: APP_CONFIG['hostname'],
+      protocol: (APP_CONFIG['https'] ? :https : :http)
+    )
+
+    "https://www.tumblr.com/widgets/share/tool?shareSource=legacy&posttype=text&title=#{CGI.escape(tumblr_title(answer))}&url=#{CGI.escape(answer_url)}&caption=&content=#{CGI.escape(tumblr_body(answer))}"
+  end
+end

app/models/services/tumblr.rb

@@ -1,6 +1,5 @@
 class Services::Tumblr < Service
-  include Rails.application.routes.url_helpers
-  include MarkdownHelper
+  include SocialHelper::TumblrMethods
 
   def provider
     "tumblr"
@@ -23,21 +22,10 @@ class Services::Tumblr < Service
     end
 
     def create_post(answer)
-      answer_url = show_user_answer_url(
-          id: answer.id,
-          username: answer.user.screen_name,
-          host: APP_CONFIG['hostname'],
-          protocol: (APP_CONFIG['https'] ? :https : :http)
-      )
-      asker = if answer.question.author_is_anonymous?
-                APP_CONFIG['anonymous_name']
-              else
-                answer.question.user.profile.display_name.blank? ? answer.question.user.screen_name : answer.question.user.profile.display_name
-              end
       client.text(
           self.uid,
-          title: "#{asker} asked: #{answer.question.content}",
-          body: "#{answer.content}\n\n[Smile or comment on the answer here](#{answer_url})",
+          title: tumblr_title(answer),
+          body: tumblr_body(answer),
           format: 'markdown',
           tweet: 'off'
       )