eminuxCRM/app/controllers/mail_identities_controller.rb

class MailIdentitiesController < ApplicationController
  before_action :require_admin
  before_action :set_identity, only: %i[edit update destroy]

  def index
    @page_title = "Account email"
    @mail_identities = MailIdentity.ordered
  end

  def new
    @page_title = "Nuovo account email"
    @mail_identity = MailIdentity.new(smtp_port: 587, encryption: "starttls", smtp_authentication: "plain", active: true, verify_ssl: true)
  end

  def create
    @mail_identity = MailIdentity.new(identity_params)
    if @mail_identity.save
      redirect_to mail_identities_path, notice: "Account email creato. Da qui partono gli invii."
    else
      @page_title = "Nuovo account email"
      render :new, status: :unprocessable_entity
    end
  end

  def edit
    @page_title = "Modifica account email"
  end

  def update
    attrs = identity_params
    attrs.delete(:smtp_password) if attrs[:smtp_password].blank?
    if @mail_identity.update(attrs)
      redirect_to mail_identities_path, notice: "Account email aggiornato."
    else
      @page_title = "Modifica account email"
      render :edit, status: :unprocessable_entity
    end
  end

  def destroy
    if @mail_identity.mailings.exists?
      redirect_to mail_identities_path, alert: "Non puoi eliminare un account già usato in un invio. Disattivalo."
      return
    end

    @mail_identity.destroy!
    redirect_to mail_identities_path, notice: "Account email eliminato."
  end

  private

  def set_identity
    @mail_identity = MailIdentity.find(params[:id])
  end

  def identity_params
    params.require(:mail_identity).permit(
      :name, :from_name, :from_email, :reply_to, :smtp_host, :smtp_port,
      :smtp_username, :smtp_password, :smtp_authentication, :encryption,
      :verify_ssl, :active
    )
  end
end