added sharing to Tumblr

Gemfile

@@ -37,7 +37,6 @@ gem 'ruby-progressbar'
 
 gem 'rails_admin'
 
-gem 'twitter'
 gem 'sidekiq'
 gem 'sinatra', require: false
 
@@ -49,6 +48,11 @@ gem 'redcarpet'
 # OmniAuth and providers
 gem 'omniauth'
 gem 'omniauth-twitter'
+gem 'omniauth-tumblr'
+
+# OAuth clients
+gem 'twitter'
+gem 'tumblr_client'
 
 gem 'foreman'
 gem 'redis'

Gemfile.lock

@@ -111,6 +111,8 @@ GEM
       i18n (~> 0.5)
     faraday (0.9.0)
       multipart-post (>= 1.2, < 3)
+    faraday_middleware (0.9.1)
+      faraday (>= 0.7.4, < 0.10)
     font-awesome-rails (4.2.0.0)
       railties (>= 3.2, < 5.0)
     font-kit-rails (1.1.0)
@@ -170,6 +172,8 @@ GEM
     omniauth-oauth (1.0.1)
       oauth
       omniauth (~> 1.0)
+    omniauth-tumblr (1.1)
+      omniauth-oauth (~> 1.0)
     omniauth-twitter (1.1.0)
       multi_json (~> 1.3)
       omniauth-oauth (~> 1.0)
@@ -308,6 +312,13 @@ GEM
     tilt (1.4.1)
     timers (4.0.1)
       hitimes
+    tumblr_client (0.8.5)
+      faraday (~> 0.9.0)
+      faraday_middleware (~> 0.9.0)
+      json
+      mime-types
+      oauth
+      simple_oauth
     turbolinks (2.5.3)
       coffee-rails
     twitter (5.13.0)
@@ -368,6 +379,7 @@ DEPENDENCIES
   jquery-turbolinks
   mysql2
   omniauth
+  omniauth-tumblr
   omniauth-twitter
   paperclip (~> 4.2)
   pg
@@ -389,6 +401,7 @@ DEPENDENCIES
   spring
   sweetalert-rails
   thin
+  tumblr_client
   turbolinks
   twitter
   uglifier (>= 1.3.0)

app/models/services/tumblr.rb

@@ -0,0 +1,45 @@
+class Services::Tumblr < Service
+  include Rails.application.routes.url_helpers
+  include MarkdownHelper
+
+  def provider
+    "tumblr"
+  end
+
+  def post(answer)
+    Rails.logger.debug "posting to Tumblr {'answer' => #{answer.id}, 'user' => #{self.user_id}}"
+    create_post answer
+  end
+
+  private
+
+    def client
+      @client ||= Tumblr::Client.new(
+          consumer_key: APP_CONFIG['sharing']['tumblr']['consumer_key'],
+          consumer_secret: APP_CONFIG['sharing']['tumblr']['consumer_secret'],
+          oauth_token: self.access_token,
+          oauth_token_secret: self.access_secret
+      )
+    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.display_name.blank? ? answer.question.user.screen_name : answer.question.user.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})",
+          format: 'markdown',
+          tweet: 'off'
+      )
+    end
+end

config/initializers/omniauth.rb

@@ -1,5 +1,7 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
-  if APP_CONFIG['sharing']['twitter']['enabled']
-    provider :twitter, APP_CONFIG['sharing']['twitter']['consumer_key'], APP_CONFIG['sharing']['twitter']['consumer_secret']
+  %w(facebook twitter tumblr).each do |service|
+    if APP_CONFIG['sharing'][service]['enabled']
+      provider service.to_sym, APP_CONFIG['sharing'][service]['consumer_key'], APP_CONFIG['sharing'][service]['consumer_secret']
+    end
   end
 end

config/initializers/rails_admin.rb

@@ -41,6 +41,7 @@ RailsAdmin.config do |config|
     Report
     Service
     Services::Twitter
+    Services::Tumblr
     Smile
     User
   ]

config/justask.yml.example

@@ -21,6 +21,11 @@ sharing:
     consumer_secret: ''
   facebook:
     enabled: false
+  tumblr:
+    enabled: true
+    # Get the tokens from https://www.tumblr.com/oauth/apps
+    consumer_key: ''
+    consumer_secret: ''
 
 # Redis
 redis_url: "redis://localhost:6379"