controller.rb

class AdminMessagesController < ApplicationController
  before_action :authenticate_user!, only: [:create]

  def create
    @admin_message = current_user.admin_messages.new(message_params)

    respond_to do |format|
      if @admin_message.save
        AdminMailer.new_message(email_params).deliver_later
        @admin_message = AdminMessage.new
      end
      format.js { render :create }
    end
  end

  private

  def message_params
    params.require(:admin_message).permit(
      :sender_name,
      :sender_phone,
      :body
    )
  end

  def email_params
    message_params.merge({ recipient_email: Settings.instance.info_email, user_email: current_user.email })
  end
end