Initial commit

app/services/amqp/amqp_service.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Amqp
+  class AmqpService
+    include Singleton
+
+    def queue(queue_name, options = {})
+      @queue ||= {}
+      @queue[queue_name] ||= channel.queue queue_name, options
+    end
+
+    def exchange(exchange_name, exchange_type, options = {})
+      @exchange ||= {}
+      @exchange[exchange_name] ||= channel.exchange exchange_name, options.merge(type: exchange_type)
+    end
+
+    def default_exchange
+      channel.default_exchange
+    end
+
+  private
+    def channel
+      @channel ||= connection.create_channel
+    end
+
+    def connection
+      @connection ||= begin
+        Bunny.new(amqp_config).tap do |conn|
+          conn.start
+        end
+      end
+    end
+
+    def amqp_config
+      AppConfig.amqp
+    end
+  end
+end