def handleBetaDeployment()

in src/main/scala/com/gu/iosdeployments/Lambda.scala [26:64]
37 lines of code
12 McCabe index (conditional complexity)

  def handleBetaDeployment(env: Env, maybeDeployment: Option[RunningLiveAppDeployment], latestBetas: List[LiveAppBeta], appStoreConnectToken: String, gitHubConfig: GitHubConfig): Try[Unit] = {

    val externalTesterConfig = if (env.stage == "PROD") {
      Config.externalTesterConfigForProd
    } else {
      Config.externalTesterConfigForTesting
    }

    maybeDeployment match {
      case Some(runningDeployment) =>
        val attemptToFindBeta = latestBetas.find(_.version == runningDeployment.version)
        (runningDeployment.environment, attemptToFindBeta) match {
          case ("internal-beta", Some(LiveAppBeta(_, _, _, "IN_BETA_TESTING", _))) =>
            logger.info(s"Internal beta deployment for ${runningDeployment.version} is complete...")
            GitHubApi.markDeploymentAsSuccess(gitHubConfig, runningDeployment)
          case ("external-beta", Some(LiveAppBeta(_, _, _, _, "IN_BETA_TESTING"))) =>
            logger.info(s"External beta deployment for ${runningDeployment.version} is complete...")
            GitHubApi.markDeploymentAsSuccess(gitHubConfig, runningDeployment)
          case ("external-beta", Some(build @ LiveAppBeta(_, _, _, "IN_BETA_TESTING", "READY_FOR_BETA_SUBMISSION"))) =>
            logger.info(s"External beta deployment for ${runningDeployment.version} can now be submitted for review...")
            AppStoreConnectApi.submitForBetaTesting(appStoreConnectToken, build.buildId)
          case ("external-beta", Some(build @ LiveAppBeta(_, _, _, _, "BETA_APPROVED"))) =>
            logger.info(s"External beta deployment for ${runningDeployment.version} can now be distributed to users...")
            AppStoreConnectApi.distributeToExternalTesters(appStoreConnectToken, build.buildId, externalTesterConfig)
          case ("external-beta", Some(build @ LiveAppBeta(_, _, _, _, "BETA_REJECTED"))) =>
            logger.info(s"External beta for ${runningDeployment.version} was rejected.")
            GitHubApi.markDeploymentAsFailure(gitHubConfig, runningDeployment)
          case (_, Some(LiveAppBeta(_, _, _, "EXPIRED", "EXPIRED"))) =>
            logger.info(s"Beta deployment for ${runningDeployment.version} was (presumably) successful, but beta build was expired before deployment completed...")
            GitHubApi.markDeploymentAsSuccess(gitHubConfig, runningDeployment)
          case (_, None) =>
            notPresentInAppStoreConnect(runningDeployment, gitHubConfig)
          case _ =>
            Try(logger.info(s"No action was required for beta deployment ${runningDeployment.version}. Full details are: $attemptToFindBeta"))
        }
      case None =>
        Try(logger.info("No running beta deployments found."))
    }
  }