Future storeChange()

in builder/lib/src/builder.dart [137:186]
43 lines of code
9 McCabe index (conditional complexity)

  Future<void> storeChange(Map<String, dynamic> change) async {
    countChanges++;
    await fetchReviewsAndReverts();
    transformChange(change);
    final failure = isFailure(change);
    bool approved;
    var result = await firestore.findResult(change, startIndex, endIndex);
    var activeResults = await firestore.findActiveResults(
        change['name'], change['configuration']);
    if (result == null) {
      final approvingIndex = tryApprovals[testResult(change)] ??
          allRevertedChanges
              .firstWhereOrNull(
                  (revertedChange) => revertedChange.approveRevert(change))
              ?.revertIndex;
      approved = approvingIndex != null;
      final newResult = constructResult(change, startIndex, endIndex,
          approved: approved,
          landedReviewIndex: approvingIndex,
          failure: failure);
      await firestore.storeResult(newResult);
      if (approved) {
        countApprovalsCopied++;
        if (countApprovalsCopied <= 10) {
          approvalMessages
              .add('Copied approval of result ${testResult(change)}');
        }
      }
    } else {
      approved = await firestore.updateResult(
          result, change['configuration'], startIndex, endIndex,
          failure: failure);
    }
    if (failure && !approved) success = false;

    for (final activeResult in activeResults) {
      final resultRecord = ResultRecord(activeResult.fields);
      // Log error message if any expected invariants are violated
      if (resultRecord.blamelistEndIndex >= startIndex ||
          !resultRecord.containsActiveConfiguration(change['configuration'])) {
        // log('Unexpected active result when processing new change:\n'
        //     'Active result: ${untagMap(activeResult.fields)}\n\n'
        //     'Change: $change\n\n'
        //     'approved: $approved');
      }
      // Removes the configuration from the list of active configurations.
      await firestore.removeActiveConfiguration(
          activeResult, change['configuration']);
    }
  }