easy-going-rails/app/controllers/flash_controller.rb

# interaction with the flash message
class FlashController < ApplicationController
  def index; end

  def redirect_with_notice = redirect_to(flash_path, notice:)
  def redirect_with_alert = redirect_to(flash_path, alert:)

  def redirect_with_both
    flash[:notice] = notice
    flash[:alert] = alert
    redirect_to flash_path
  end

  def from_render
    session[:flash_iteration] = session[:flash_iteration].to_i + 1
    flash.now[:notice] = "From Render #{session[:flash_iteration]}"
    flash.now[:alert] = "Alert Render #{session[:flash_iteration]}"

    logger.info(flash.object_id)
    render :index
  end

  def from_turbo
    flash.now[:notice] = 'From Turbo'
    flash.now[:alert] = 'Alert Turbo'

    render turbo_stream: flash_stream
  end

  private

  def notice = build_message(:notice)
  def alert = build_message(:alert)

  def build_message(type_of_message)
    session[:flash_iteration] = session[:flash_iteration].to_i + 1
    "this is #{type_of_message} ##{session[:flash_iteration]}"
  end
end