def validate_pending_customer_data(self, batch, user, data):

        pass

    def update_pending_customer(self, batch, user, data):

        model = self.model

        people = self.app.get_people_handler()

        # first validate all data

        self.validate_pending_customer_data(batch, user, data)

        # clear out any contact it may have

        self.unassign_contact(batch)

        # create pending customer if needed

        pending = batch.pending_customer

        if not pending:

            pending = model.PendingCustomer()

            pending.user = user

            pending.status_code = self.enum.PENDING_CUSTOMER_STATUS_PENDING

            batch.pending_customer = pending

        # update pending customer info

        if 'first_name' in data:

            pending.first_name = data['first_name']

        if 'last_name' in data:

            pending.last_name = data['last_name']

        if 'display_name' in data:

            pending.display_name = data['display_name']

        else:

            pending.display_name = people.normalize_full_name(pending.first_name,

                                                              pending.last_name)

        if 'phone_number' in data:

            pending.phone_number = self.app.format_phone_number(data['phone_number'])

        if 'email_address' in data:

            pending.email_address = data['email_address']

        # also update the batch w/ contact info

        batch.contact_name = pending.display_name

        batch.phone_number = pending.phone_number

        batch.email_address = pending.email_address