private def downloadOptionallyReusingPartFile()

in ideaSupport/src/main/scala/org/jetbrains/sbtidea/download/FileDownloader.scala [77:111]

35 lines of code
8 McCabe index (conditional complexity)


  private def downloadOptionallyReusingPartFile(
    url: URL,
    optional: Boolean,
    reuseExistingPartFile: Boolean = true
  ): Try[Option[Path]] = Try {
    val partFile = downloadNativeWithConnectionRetry(url, reuseExistingPartFile)(printProgressToConsoleCallback)
    partFile match {
      case DownloadedPath.PartPath(partPath) =>
        val targetFile = fromFilePartPath(partPath)
        if (targetFile.toFile.exists()) {
          log.warn(s"$targetFile already exists, recovering failed install...")
          Files.delete(targetFile)
        }
        Files.move(partPath, targetFile)
        Some(targetFile)
      case DownloadedPath.ZipPath(path) =>
        Some(path)
    }
  }.recoverWith {
    case e: Exception =>
      val canNotDownloadFilePart = isRangeNotSatisfiableHttpResponseException(e)
      if (canNotDownloadFilePart && reuseExistingPartFile) {
        log.warn(s"Can't download file part $url: $e")
        log.warn(s"Retrying with a fresh download...")
        downloadOptionallyReusingPartFile(url, optional, reuseExistingPartFile = false)
      }
      else if (optional) {
        log.warn(s"Can't download optional file $url: $e")
        Success(None)
      }
      else {
        log.warn(s"Can't download file $url: $e")
        Failure(e)
      }
  }