juan_gandhi | code critique?

Guys, I do appreciate your opinions a lot.

  val patience = 10

  case class UploadProgress(uploaded: Set[File] = Set.empty,
                            failed:   Set[Result[File]] = Set.empty,
                            badLuckStreak: Int = 0) {
    def errors = Result.traverse(failed)
    def +(file:File) = {
      if (badLuckStreak > patience) this
      else {
        uploadOneFile(file) match {
          case Good(file) => UploadProgress(uploaded + file, failed, 0)
          case bad => UploadProgress(uploaded, failed + bad, badLuckStreak + 1)
        }
      }
    }
  }

  def uploadScheduledFiles():UploadProgress = {
    if (!client.isAlive) UploadProgress(Set.empty, Set(Result.error("Upload server is dead, sorry")), 0)
    else {
      (UploadProgress() /: listFilesForUpload)(_ + _)
    }
  }

What happens here: we upload until we are out of patience with a streak of bad luck, probably meaning the server is dead.

code critique?

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