module ZuoraConnect::Controllers::Helpers

def authenticate_connect_app_request
  Thread.current[:appinstance] = nil
  start_time = Time.now
  if ZuoraConnect.configuration.mode == "Production"
    if request["data"] && /^([A-Za-z0-9+\/\-\_]{4})*([A-Za-z0-9+\/]{4}|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{2}==)$/.match(request["data"].to_s)
      setup_instance_via_data
    else
      setup_instance_via_session
    end
  else
    setup_instance_via_dev_mode
  end
  #Call .data_lookup with the current session to retrieve session. In some cases session may be stored/cache in redis 
  #so data lookup provides a model method that can be overriden per app.
  if params[:controller] != 'zuora_connect/api/v1/app_instance' && params[:action] != 'drop'
    if @appinstance.new_session_for_ui_requests(:params => params)
      @appinstance.new_session(:session => @appinstance.data_lookup(:session => session))
    end
  end
  PaperTrail.whodunnit =  session["#{@appinstance.id}::user::email"] if defined?(PaperTrail) && session["#{@appinstance.id}::user::email"].present? 
  begin
    I18n.locale = session["#{@appinstance.id}::user::locale"] ?  session["#{@appinstance.id}::user::locale"] : @appinstance.locale
  rescue I18n::InvalidLocale => ex
    Rails.logger.error("Invalid Locale: #{ex.message}")
  end
  Time.zone = session["#{@appinstance.id}::user::timezone"] ? session["#{@appinstance.id}::user::timezone"] : @appinstance.timezone
  Rails.logger.debug("[#{@appinstance.blank? ? "N/A" : @appinstance.id}] Authenticate App Request Completed In - #{(Time.now - start_time).round(2)}s")
end