discourse-chat-integration/lib/discourse_chat/provider/slack/slack_command_controller.rb

module DiscourseChat::Provider::SlackProvider
  class SlackCommandController < DiscourseChat::Provider::HookController
    requires_provider ::DiscourseChat::Provider::SlackProvider::PROVIDER_NAME

    def say_hello

    	render json: {hello: "world"}
    end
  end

  class SlackEngine < ::Rails::Engine
    engine_name DiscourseChat::PLUGIN_NAME+"-slack"
    isolate_namespace DiscourseChat::Provider::SlackProvider
  end

  SlackEngine.routes.draw do
  	get "command" => "slack_command#say_hello"
  end

end