added batch method

lib/pubsub_tie.rb

@@ -39,6 +39,10 @@ def configure_events
   def publish(topic, data, resource: nil)
     Publisher.publish(topic, data, resource)
   end
+
+  def batch(topic, data, resource: nil)
+    Publisher.batch(topic, data, resource)
+  end
 end
 
 require 'pubsub_tie/railtie' if defined? Rails::Railtie

lib/pubsub_tie/publisher.rb

@@ -29,6 +29,21 @@ def publish(topic_sym, data, resource)
         end
     end
 
+    def batch(topic_sym, messages, resource)
+      topic = @pubsub.
+          topic(Events.name topic_sym)
+      messages.each do |data|
+        topic.publish_async(message(validate_data(topic_sym, data), resource),
+                            publish_time: Time.now.utc) do |result|
+          unless result.succeeded?
+            Rails.logger.error(
+                "Failed to publish #{data} to #{topic_sym} on #{data} due to #{result.error}")
+          end
+        end
+      end
+      topic.async_publisher.stop.wait!
+    end
+
   private
     def message(data, resource)
       # TODO: embed resource in message

lib/pubsub_tie/version.rb

@@ -1,3 +1,3 @@
 module PubSubTie
-  VERSION = "0.0.1"
+  VERSION = "0.0.2"
 end