Added a timeline for Direct statuses

* Lists all Direct statuses you've sent and received
* Displayed in Getting Started
* Streaming server support for direct TL

app/services/batched_remove_status_service.rb

@@ -40,6 +40,7 @@ class BatchedRemoveStatusService < BaseService
     # Cannot be batched
     statuses.each do |status|
       unpush_from_public_timelines(status)
+      unpush_from_direct_timelines(status) if status.direct_visibility?
       batch_salmon_slaps(status) if status.local?
     end
 
@@ -100,6 +101,16 @@ class BatchedRemoveStatusService < BaseService
     end
   end
 
+  def unpush_from_direct_timelines(status)
+    payload = @json_payloads[status.id]
+    redis.pipelined do
+      @mentions[status.id].each do |mention|
+        redis.publish("timeline:direct:#{mention.account.id}", payload) if mention.account.local?
+      end
+      redis.publish("timeline:direct:#{status.account.id}", payload) if status.account.local?
+    end
+  end
+
   def batch_salmon_slaps(status)
     return if @mentions[status.id].empty?
 

app/services/fan_out_on_write_service.rb

@@ -10,15 +10,17 @@ class FanOutOnWriteService < BaseService
 
     deliver_to_self(status) if status.account.local?
 
+    render_anonymous_payload(status)
+
     if status.direct_visibility?
       deliver_to_mentioned_followers(status)
+      deliver_to_direct_timelines(status)
     else
       deliver_to_followers(status)
     end
 
     return if status.account.silenced? || !status.public_visibility? || status.reblog?
 
-    render_anonymous_payload(status)
     deliver_to_hashtags(status)
 
     return if status.reply? && status.in_reply_to_account_id != status.account_id
@@ -73,4 +75,13 @@ class FanOutOnWriteService < BaseService
     Redis.current.publish('timeline:public', @payload)
     Redis.current.publish('timeline:public:local', @payload) if status.local?
   end
+
+  def deliver_to_direct_timelines(status)
+    Rails.logger.debug "Delivering status #{status.id} to direct timelines"
+
+    status.mentions.includes(:account).each do |mention|
+      Redis.current.publish("timeline:direct:#{mention.account.id}", @payload) if mention.account.local?
+    end
+    Redis.current.publish("timeline:direct:#{status.account.id}", @payload) if status.account.local?
+  end
 end

app/services/remove_status_service.rb

@@ -18,6 +18,7 @@ class RemoveStatusService < BaseService
     remove_reblogs
     remove_from_hashtags
     remove_from_public
+    remove_from_direct if status.direct_visibility?
 
     @status.destroy!
 
@@ -121,6 +122,13 @@ class RemoveStatusService < BaseService
     Redis.current.publish('timeline:public:local', @payload) if @status.local?
   end
 
+  def remove_from_direct
+    @mentions.each do |mention|
+      Redis.current.publish("timeline:direct:#{mention.account.id}", @payload) if mention.account.local?
+    end
+    Redis.current.publish("timeline:direct:#{@account.id}", @payload) if @account.local?
+  end
+
   def redis
     Redis.current
   end