Check domain name availability with whois and notify via slack

check-domain.sc

#!/usr/bin/env amm

import $ivy.`com.github.gilbertw1::slack-scala-client:0.2.3`
import slack.api.BlockingSlackApiClient
import akka.actor.ActorSystem
import scala.util.Try


def sendSlackNotification(msg: String)(implicit sys: ActorSystem): Unit = {
  val token = "<token>" // TODO parameterize
  val client = BlockingSlackApiClient(token)
  client.postChatMessage(
    channelId = "auto_notifications",
    text = msg,
    linkNames = Some("true"),
  )
}

val AvailPat = "^No match|^NOT FOUND|^Not fo|AVAILABLE|^No Data Fou|has not been regi|No entri|domain was not found".r
def isAvailble(domain: String): Boolean = {
  import scala.sys.process._
  Try {
    s"whois $domain".!!.split("\n").exists(line => AvailPat.findFirstIn(line).nonEmpty)
  }.getOrElse(false)
}


@main
def main(domains: String*): Unit = {
  implicit val system = ActorSystem("check-domain")

  if (domains.isEmpty) {
    println("domains required")
  } else {
    println(s"Checking domain name availablities for ${domains.mkString(", ")}")

    domains.foreach { d =>
      if (isAvailble(d)) {
        println(s"Domain name $d is available!")
        sendSlackNotification(
          s"""Domain name $d is availble! @guersam
             |Go get here: https://www.namecheap.com/domains/registration/results.aspx?domain=$d
             |""".stripMargin.trim
        )
      } else {
        println(s"Domain name $d is not availble.")
      }
    }
  }
}