noesya/osuny

module User::WithRegistrationContext
  extend ActiveSupport::Concern

  included do
    attr_accessor :registration_context

    validate :extranet_access, on: :create, if: -> { registration_context.is_a?(Communication::Extranet) }

    after_create :send_notification_to_admins, unless: -> { registration_context.is_a?(Communication::Extranet) }

    private

    def extranet_access
      unless user_can_access_registration_context?
        extranet_l10n = registration_context.original_localization
        if extranet_l10n.registration_contact.present?
          errors.add :email, I18n.t('extranet.errors.email_not_allowed_with_contact', contact: extranet_l10n.registration_contact)
        else
          errors.add :email, I18n.t('extranet.errors.email_not_allowed')
        end
      end
    end

    def user_can_access_registration_context?
      user_is_alumni? || user_is_contact?
    end

    def user_is_alumni?
      registration_context.has_feature?(:alumni) && registration_context.alumni.where(email: email).any?
    end

    def user_is_contact?
      registration_context.has_feature?(:contacts) && registration_context.connected_people.where(email: email).any?
    end

    def send_notification_to_admins
      return if server_admin? # ignore server admins to prevent spam during account replication wetween universities
      NotificationMailer.new_registration(university, self).deliver_later
    end

  end
end