Move throttling feature from gem back to the app

app/lib/shunter/integration/throttle.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require 'active_support/concern'
+
+module Shunter
+  module Integration
+    module Throttle
+      extend ActiveSupport::Concern
+
+      included do |base|
+        actions = base.const_defined?('THROTTLED_ACTIONS') && base.const_get('THROTTLED_ACTIONS')
+        return if actions.blank?
+
+        around_action :throttle, only: actions
+
+        def throttle
+          unless throttled_user.present? && Shunter.feature_enabled?
+            yield if block_given?
+            return
+          end
+
+          user_id = throttled_user.id
+
+          shunter = Shunter::Base.new(conn_options: connection_options, user_id: user_id)
+          if shunter.throttle
+            logger.info "Request from #{throttled_user.class}/#{throttled_user.id} is coming through throttling"
+            yield if block_given?
+          else
+            logger.info "Too many requests from #{throttled_user.class}/#{throttled_user.id}."
+            raise Shunter::ThrottleError
+          end
+        end
+      end
+
+      def connection_options
+        Shunter::BASE_CONNECTION
+      end
+
+      def logger
+        Shunter::BASE_LOGGER
+      end
+    end
+  end
+end