JIRADiscordWebhookHandler.scala

import java.io.{InputStream, OutputStream}
import com.amazonaws.services.lambda.runtime.{Context, RequestStreamHandler}
import com.softwaremill.sttp._
import io.circe.Json
import io.circe.generic.auto._
import io.circe.parser._
import io.circe.syntax._
class JiraDiscord extends RequestStreamHandler with Helpers {
  override def handleRequest(input: InputStream, output: OutputStream, context: Context): Unit = {
    val logger = context.getLogger
    val rawJson = scala.io.Source.fromInputStream(input).getLines().mkString("\n")
    val jsonDoc = parse(rawJson).getOrElse(Json.Null)
    extractJiraBody(jsonDoc) map { json =>
      logger.log(json.spaces2)
      JiraParser.parse(json) map { event =>
        implicit val backend: SttpBackend[Id, Nothing] = HttpURLConnectionBackend()
        try {
          val title = s"${event.key}: ${event.summary}"
          val desc = s"**${event.eventTypeLabel}**\n${event.description()}"
          val msg = DiscordWebhook(title, event.url, desc, event.author()).asJson.noSpaces
          val request = sttp
            .contentType("application/json")
            .header("User-Agent", userAgent)
            .body(msg)
            .post(discordUri(jsonDoc))
          request.send()
          output.write(ok)
        } finally {
          backend.close()
        }
      }
    }
  }
}