module ZuoraConnect::Controllers::Helpers

def authenticate_connect_app_request
  if ZuoraConnect.configuration.mode == "Production"
    instance_id = process_encrypted_response
    if session["appInstance"]
      if ZuoraConnect::AppInstance.where(:id => instance_id).size == 0
        Apartment::Tenant.switch!("public")
        Apartment::Tenant.create(instance_id)
        ZuoraConnect::AppInstance.create!(:id => instance_id )
      end
      @appinstance = ZuoraConnect::AppInstance.find(instance_id)
      begin
        @appinstance.new_session(session["#{instance_id}::user"], session["#{instance_id}::key"], session)
        I18n.locale = session["#{instance_id}::user::locale"] ?  session["#{instance_id}::user::locale"] : ZuoraConnect.configuration.default_locale
        Time.zone = session["#{instance_id}::user::timezone"] ? session["#{instance_id}::user::timezone"] : ZuoraConnect.configuration.default_time_zone
      rescue
        redirect_to ZuoraConnect.configuration.session_error_path
      end
    else
      redirect_to ZuoraConnect.configuration.invalid_app_instance_error_path
    end
  else
    dev_mode
    instance_id = session["appInstance"].to_i
    if session["appInstance"]
      if ZuoraConnect::AppInstance.where(:id => instance_id).size == 0
        Apartment::Tenant.switch!("public")
        Apartment::Tenant.create(instance_id)
        ZuoraConnect::AppInstance.create!(:id => instance_id )
      end
      @appinstance = ZuoraConnect::AppInstance.find(instance_id)
    else
      redirect_to "/500.html"
    end
    @appinstance.options = ZuoraConnect.configuration.dev_mode_options
    ZuoraConnect.configuration.dev_mode_logins.each do |k,v|
      tmp = ZuoraConnect::Login.new(v)
      tmp.client.current_session = session["#{@appinstance.id}::#{k}:session"] if !session.nil? && v["tenant_type"] == "Zuora" && session["#{self.id}::#{k}:session"]
      @appinstance.logins[k] = tmp
      @appinstance.attr_builder(k, tmp)
    end
    @appinstance.mode = ZuoraConnect.configuration.dev_mode_mode
  end
end