Live timelines using ActionCable

app/channels/application_cable/channel.rb

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+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

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+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+    identified_by :current_user
+
+    def connect
+      self.current_user = find_verified_user
+    end
+
+    protected
+
+    def find_verified_user
+      if verified_user = env['warden'].user
+        verified_user
+      else
+        reject_unauthorized_connection
+      end
+    end
+  end
+end

app/channels/timeline_channel.rb

@@ -0,0 +1,10 @@
+# Be sure to restart your server when you modify this file. Action Cable runs in a loop that does not support auto reloading.
+class TimelineChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from "timeline:#{current_user.id}"
+  end
+
+  def unsubscribed
+    # Any cleanup needed when channel is unsubscribed
+  end
+end