Make broadcasting a concern

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/action_cable/server/broadcasting.rb b/lib/action_cable/server/broadcasting.rb
new file mode 100644
index 0000000000..682064571f
--- /dev/null
+++ b/lib/action_cable/server/broadcasting.rb
@@ -0,0 +1,28 @@
+module ActionCable
+  module Server
+    module Broadcasting
+      def broadcaster_for(channel)
+        Broadcaster.new(self, channel)
+      end
+
+      def broadcast(channel, message)
+        broadcaster_for(channel).broadcast(message)
+      end
+
+      class Broadcaster
+        attr_reader :server, :channel, :redis
+        delegate :logger, to: :server
+
+        def initialize(server, channel)
+          @server, @channel = server, channel
+          @redis = @server.threaded_redis
+        end
+
+        def broadcast(message)
+          logger.info "[ActionCable] Broadcasting to #{channel}: #{message}"
+          redis.publish channel, message.to_json
+        end
+      end
+    end
+  end
+end
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