private def getSummaryOfCheckpointChangesGiven()

in app/lib/PRUpdater.scala [33:60]
26 lines of code
4 McCabe index (conditional complexity)

  private def getSummaryOfCheckpointChangesGiven(prSnapshot: PRSnapshot, repoSnapshot: RepoSnapshot)(implicit
    gitHub: GitHub,
    sentryApiClientOpt: Option[SentryApiClient]
  ): Future[Option[PullRequestCheckpointsStateChangeSummary]] = {
    val pr = prSnapshot.pr
    val (oldStateLabelsSeq, userLabels) = prSnapshot.labels.map(_.name).partition(repoSnapshot.allPossibleCheckpointPRLabels)
    val oldLabels = oldStateLabelsSeq.toSet
    val existingPersistedState: PRCheckpointState = repoSnapshot.labelToStateMapping.stateFrom(oldLabels)
    if (!ignoreItemsWithExistingState(existingPersistedState)) {
      for (currentSnapshot <- findCheckpointStateChange(existingPersistedState, pr, repoSnapshot)) yield {
        val newPersistableState = currentSnapshot.newPersistableState
        val stateChanged = newPersistableState != existingPersistedState

        logger.debug(s"handling ${pr.prId.slug} : state: existing=$existingPersistedState new=$newPersistableState stateChanged=$stateChanged")

        if (stateChanged) {
          logger.info(s"#${pr.prId.slug} state-change: $existingPersistedState -> $newPersistableState")
          val newLabels: Set[String] = repoSnapshot.labelToStateMapping.labelsFor(newPersistableState)
          assert(oldLabels != newLabels, s"Labels should differ for differing states. labels=$oldLabels oldState=$existingPersistedState newState=$newPersistableState")
          pr.labels.replace(userLabels ++ newLabels)
          delayer.doAfterSmallDelay {
            actionTaker(currentSnapshot, repoSnapshot)
          }
        }
        Some(currentSnapshot)
      }
    } else Future.successful(None)
  }