Noptin_Email_Action::can_run( Noptin_Subscriber $subscriber, Noptin_Automation_Rule $rule, array $args )

    public function can_run( $subscriber, $rule, $args ) {

        // Abort if we do not have a subject or an email.
        if ( empty( $rule->action_settings['email_content'] ) || empty( $rule->action_settings['email_subject'] ) ) {
            log_noptin_message(
                sprintf(
                    __( 'Email automation rule action not sent to %s because either the subject or the content has not been set' ),
                    $subscriber->email
                )
            );
            return false;
        }

        // We only want to send an email to active subscribers.
        if ( ! empty( $subscriber->active ) ) {
            log_noptin_message(
                sprintf(
                    __( 'Email automation rule action not sent to %s because the subscriber is not active' ),
                    $subscriber->email
                )
            );
			return false;
        }

        return true;
    }