postal/app/models/smtp_endpoint.rb

# == Schema Information
#
# Table name: smtp_endpoints
#
#  id             :integer          not null, primary key
#  server_id      :integer
#  uuid           :string(255)
#  name           :string(255)
#  hostname       :string(255)
#  ssl_mode       :string(255)
#  port           :integer
#  error          :text(65535)
#  disabled_until :datetime
#  last_used_at   :datetime
#  created_at     :datetime
#  updated_at     :datetime
#

class SMTPEndpoint < ApplicationRecord

  include HasUUID

  belongs_to :server
  has_many :routes, :as => :endpoint
  has_many :additional_route_endpoints, :dependent => :destroy, :as => :endpoint

  SSL_MODES = ['None', 'Auto', 'STARTTLS', 'TLS']

  before_destroy :update_routes

  validates :name, :presence => true
  validates :hostname, :presence => true, :format => /\A[a-z0-9\.\-]*\z/
  validates :ssl_mode, :inclusion => {:in => SSL_MODES}
  validates :port, :numericality => {:only_integer => true, :allow_blank => true}

  def description
    "#{name} (#{hostname})"
  end

  def mark_as_used
    update_column(:last_used_at, Time.now)
  end

  def update_routes
    self.routes.each { |r| r.update(:endpoint => nil, :mode => 'Reject') }
  end

end