public static IEnumerable <FileRange> FindFilesToReview(this FileMatrix matrix, string reviewerUserName)
{
foreach (var entry in matrix)
{
var(lastChangedIndex, lastChanged) = entry.Revisions.LastWithIndex(x => !x.Value.IsUnchanged);
var lastReviewed = entry.Revisions
.Take(lastChangedIndex + 1)
.Select(x => x.WrapAsNullable())
.Reverse()
.SkipWhile(x => !x.Value.Value.Reviewers.Contains(reviewerUserName))
.FirstOrDefault();
PathPair fileToReview;
RevisionId previousRevision;
IEnumerable <KeyValuePair <RevisionId, FileMatrix.Status> > reviewedRange;
var currentRevision = lastChanged.Key;
if (!lastReviewed.HasValue)
{
fileToReview = entry.Revisions.First().Value.File.WithNewName(lastChanged.Value.File.NewPath);
previousRevision = new RevisionId.Base();
reviewedRange = entry.Revisions.Take(lastChangedIndex + 1);
}
else
{
fileToReview = PathPair.Make(lastReviewed.Value.Value.File.NewPath, lastChanged.Value.File.NewPath);
previousRevision = lastReviewed.Value.Key;
var lastIndex = entry.Revisions.Keys.IndexOf(lastReviewed.Value.Key);
reviewedRange = entry.Revisions.Skip(lastIndex + 1).Take(lastChangedIndex - lastIndex + 1);
}
yield return(new FileRange(entry.FileId, entry.File, fileToReview, previousRevision, currentRevision)
{
ChangeType = DetermineChangeType(reviewedRange)
});
}
}
private async Task <FileMatrix> BuildMatrix(GetFileMatrix query)
{
var revisions = await _session.Query <ReviewRevision>()
.Where(x => x.ReviewId == query.ReviewId)
.FetchMany(x => x.Files)
.OrderBy(x => x.RevisionNumber)
.ToListAsync();
var mergeRequest = await _api.GetMergeRequestInfo(query.ReviewId.ProjectId, query.ReviewId.ReviewId);
var revisionIds = revisions.Select(x => (RevisionId) new RevisionId.Selected(x.RevisionNumber));
var hasProvisional = !revisions.Any() || mergeRequest.HeadCommit != revisions.Last().HeadCommit;
if (hasProvisional)
{
revisionIds = revisionIds.Union(new RevisionId.Hash(mergeRequest.HeadCommit));
}
var matrix = new FileMatrix(revisionIds);
foreach (var revision in revisions)
{
matrix.Append(new RevisionId.Selected(revision.RevisionNumber), revision.Files);
}
if (hasProvisional)
{
var provisionalDiff = await _api.GetDiff(query.ReviewId.ProjectId, revisions.LastOrDefault()?.HeadCommit ?? mergeRequest.BaseCommit, mergeRequest.HeadCommit);
var files = provisionalDiff.Select(RevisionFile.FromDiff);
matrix.Append(new RevisionId.Hash(mergeRequest.HeadCommit), files);
}
matrix.FillUnchanged();
return(matrix);
}
