refactor: refactors message dequeueing (#2810)

app/lib/message_dequeuer/state.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module MessageDequeuer
+  class State
+
+    attr_accessor :send_result
+
+    def sender_for(klass, *args)
+      @cached_senders ||= {}
+      @cached_senders[[klass, args]] ||= begin
+        klass_instance = klass.new(*args)
+        klass_instance.start
+        klass_instance
+      end
+    end
+
+    def finished
+      @cached_senders&.each_value do |sender|
+        sender.finish
+      rescue StandardError
+        false
+      end
+    end
+
+  end
+end