submit-social-housing-lettings-and-sales-data/app/mailers/devise_notify_mailer.rb

class DeviseNotifyMailer < Devise::Mailer
  require "notifications/client"

  RESET_PASSWORD_TEMPLATE_ID = "2c410c19-80a7-481c-a531-2bcb3264f8e6".freeze
  SET_PASSWORD_TEMPLATE_ID   = "257460a6-6616-4640-a3f9-17c3d73d9e91".freeze

  def notify_client
    @notify_client ||= ::Notifications::Client.new(ENV["GOVUK_NOTIFY_API_KEY"])
  end

  def host
    @host ||= ENV["APP_HOST"]
  end

  def send_email(email, template_id, personalisation)
    notify_client.send_email(
      email_address: email,
      template_id:,
      personalisation:,
    )
  end

  def reset_password_instructions(record, token, _opts = {})
    template_id = record.last_sign_in_at ? RESET_PASSWORD_TEMPLATE_ID : SET_PASSWORD_TEMPLATE_ID
    personalisation = {
      name: record.name,
      email: record.email,
      organisation: record.organisation.name,
      link: "https://#{host}/users/password/edit?reset_password_token=#{token}",
    }
    send_email(record.email, template_id, personalisation)
  end

  # def confirmation_instructions(record, token, _opts = {})
  #   super
  # end
  #
  # def unlock_instructions(record, token, opts = {})
  #   super
  # end
  #
  # def email_changed(record, opts = {})
  #   super
  # end
  #
  # def password_change(record, opts = {})
  #   super
  # end
end