private async Task <LinkedFileMergeResult> MergeLinkedDocumentGroupAsync(
IEnumerable <DocumentId> allLinkedDocuments,
IEnumerable <DocumentId> linkedDocumentGroup,
LinkedFileDiffMergingSessionInfo sessionInfo,
IMergeConflictHandler mergeConflictHandler,
CancellationToken cancellationToken)
{
var groupSessionInfo = new LinkedFileGroupSessionInfo();
// Automatically merge non-conflicting diffs while collecting the conflicting diffs
var textDifferencingService = _oldSolution.Workspace.Services.GetService <IDocumentTextDifferencingService>() ?? new DefaultDocumentTextDifferencingService();
var appliedChanges = await textDifferencingService.GetTextChangesAsync(_oldSolution.GetDocument(linkedDocumentGroup.First()), _newSolution.GetDocument(linkedDocumentGroup.First()), cancellationToken).ConfigureAwait(false);
var unmergedChanges = new List <UnmergedDocumentChanges>();
foreach (var documentId in linkedDocumentGroup.Skip(1))
{
appliedChanges = await AddDocumentMergeChangesAsync(
_oldSolution.GetDocument(documentId),
_newSolution.GetDocument(documentId),
appliedChanges.ToList(),
unmergedChanges,
groupSessionInfo,
textDifferencingService,
cancellationToken).ConfigureAwait(false);
}
var originalDocument = _oldSolution.GetDocument(linkedDocumentGroup.First());
var originalSourceText = await originalDocument.GetTextAsync(cancellationToken).ConfigureAwait(false);
// Add comments in source explaining diffs that could not be merged
IEnumerable <TextChange> allChanges;
IList <TextSpan> mergeConflictResolutionSpan = new List <TextSpan>();
if (unmergedChanges.Any())
{
mergeConflictHandler ??= _oldSolution.GetDocument(linkedDocumentGroup.First()).GetLanguageService <ILinkedFileMergeConflictCommentAdditionService>();
var mergeConflictTextEdits = mergeConflictHandler.CreateEdits(originalSourceText, unmergedChanges);
allChanges = MergeChangesWithMergeFailComments(appliedChanges, mergeConflictTextEdits, mergeConflictResolutionSpan, groupSessionInfo);
}
else
{
allChanges = appliedChanges;
}
groupSessionInfo.LinkedDocuments = _newSolution.GetDocumentIdsWithFilePath(originalDocument.FilePath).Length;
groupSessionInfo.DocumentsWithChanges = linkedDocumentGroup.Count();
sessionInfo.LogLinkedFileResult(groupSessionInfo);
return(new LinkedFileMergeResult(allLinkedDocuments, originalSourceText.WithChanges(allChanges), mergeConflictResolutionSpan));
}
internal async Task <Solution> WithMergedLinkedFileChangesAsync(
Solution oldSolution,
SolutionChanges?solutionChanges = null,
IMergeConflictHandler mergeConflictHandler = null,
CancellationToken cancellationToken = default(CancellationToken))
{
// we only log sessioninfo for actual changes committed to workspace which should exclude ones from preview
var session = new LinkedFileDiffMergingSession(oldSolution, this, solutionChanges ?? this.GetChanges(oldSolution), logSessionInfo: solutionChanges != null);
return((await session.MergeDiffsAsync(mergeConflictHandler, cancellationToken).ConfigureAwait(false)).MergedSolution);
}
private async Task<LinkedFileMergeResult> MergeLinkedDocumentGroupAsync(
IEnumerable<DocumentId> allLinkedDocuments,
IEnumerable<DocumentId> linkedDocumentGroup,
LinkedFileDiffMergingSessionInfo sessionInfo,
IMergeConflictHandler mergeConflictHandler,
CancellationToken cancellationToken)
{
var groupSessionInfo = new LinkedFileGroupSessionInfo();
// Automatically merge non-conflicting diffs while collecting the conflicting diffs
var textDifferencingService = _oldSolution.Workspace.Services.GetService<IDocumentTextDifferencingService>() ?? new DefaultDocumentTextDifferencingService();
var appliedChanges = await textDifferencingService.GetTextChangesAsync(_oldSolution.GetDocument(linkedDocumentGroup.First()), _newSolution.GetDocument(linkedDocumentGroup.First()), cancellationToken).ConfigureAwait(false);
var unmergedChanges = new List<UnmergedDocumentChanges>();
foreach (var documentId in linkedDocumentGroup.Skip(1))
{
appliedChanges = await AddDocumentMergeChangesAsync(
_oldSolution.GetDocument(documentId),
_newSolution.GetDocument(documentId),
appliedChanges.ToList(),
unmergedChanges,
groupSessionInfo,
textDifferencingService,
cancellationToken).ConfigureAwait(false);
}
var originalDocument = _oldSolution.GetDocument(linkedDocumentGroup.First());
var originalSourceText = await originalDocument.GetTextAsync(cancellationToken).ConfigureAwait(false);
// Add comments in source explaining diffs that could not be merged
IEnumerable<TextChange> allChanges;
IList<TextSpan> mergeConflictResolutionSpan = new List<TextSpan>();
if (unmergedChanges.Any())
{
mergeConflictHandler = mergeConflictHandler ?? _oldSolution.GetDocument(linkedDocumentGroup.First()).GetLanguageService<ILinkedFileMergeConflictCommentAdditionService>();
var mergeConflictTextEdits = mergeConflictHandler.CreateEdits(originalSourceText, unmergedChanges);
allChanges = MergeChangesWithMergeFailComments(appliedChanges, mergeConflictTextEdits, mergeConflictResolutionSpan, groupSessionInfo);
}
else
{
allChanges = appliedChanges;
}
groupSessionInfo.LinkedDocuments = _newSolution.GetDocumentIdsWithFilePath(originalDocument.FilePath).Length;
groupSessionInfo.DocumentsWithChanges = linkedDocumentGroup.Count();
sessionInfo.LogLinkedFileResult(groupSessionInfo);
return new LinkedFileMergeResult(allLinkedDocuments, originalSourceText.WithChanges(allChanges), mergeConflictResolutionSpan);
}
internal async Task <LinkedFileMergeSessionResult> MergeDiffsAsync(IMergeConflictHandler mergeConflictHandler, CancellationToken cancellationToken)
{
LinkedFileDiffMergingSessionInfo sessionInfo = new LinkedFileDiffMergingSessionInfo();
var linkedDocumentGroupsWithChanges = _solutionChanges
.GetProjectChanges()
.SelectMany(p => p.GetChangedDocuments())
.GroupBy(d => _oldSolution.GetDocument(d).FilePath, StringComparer.OrdinalIgnoreCase);
var linkedFileMergeResults = new List <LinkedFileMergeResult>();
var updatedSolution = _newSolution;
foreach (var linkedDocumentsWithChanges in linkedDocumentGroupsWithChanges)
{
var documentInNewSolution = _newSolution.GetDocument(linkedDocumentsWithChanges.First());
// Ensure the first document in the group is the first in the list of
var allLinkedDocuments = documentInNewSolution.GetLinkedDocumentIds().Add(documentInNewSolution.Id);
if (allLinkedDocuments.Length == 1)
{
continue;
}
SourceText mergedText;
if (linkedDocumentsWithChanges.Count() > 1)
{
var mergeGroupResult = await MergeLinkedDocumentGroupAsync(allLinkedDocuments, linkedDocumentsWithChanges, sessionInfo, mergeConflictHandler, cancellationToken).ConfigureAwait(false);
linkedFileMergeResults.Add(mergeGroupResult);
mergedText = mergeGroupResult.MergedSourceText;
}
else
{
mergedText = await _newSolution.GetDocument(linkedDocumentsWithChanges.Single()).GetTextAsync(cancellationToken).ConfigureAwait(false);
}
foreach (var documentId in allLinkedDocuments)
{
updatedSolution = updatedSolution.WithDocumentText(documentId, mergedText);
}
}
LogLinkedFileDiffMergingSessionInfo(sessionInfo);
return(new LinkedFileMergeSessionResult(updatedSolution, linkedFileMergeResults));
}
internal async Task<LinkedFileMergeSessionResult> MergeDiffsAsync(IMergeConflictHandler mergeConflictHandler, CancellationToken cancellationToken)
{
LinkedFileDiffMergingSessionInfo sessionInfo = new LinkedFileDiffMergingSessionInfo();
var linkedDocumentGroupsWithChanges = _solutionChanges
.GetProjectChanges()
.SelectMany(p => p.GetChangedDocuments())
.GroupBy(d => _oldSolution.GetDocument(d).FilePath, StringComparer.OrdinalIgnoreCase);
var linkedFileMergeResults = new List<LinkedFileMergeResult>();
var updatedSolution = _newSolution;
foreach (var linkedDocumentsWithChanges in linkedDocumentGroupsWithChanges)
{
var documentInNewSolution = _newSolution.GetDocument(linkedDocumentsWithChanges.First());
// Ensure the first document in the group is the first in the list of
var allLinkedDocuments = documentInNewSolution.GetLinkedDocumentIds().Add(documentInNewSolution.Id);
if (allLinkedDocuments.Length == 1)
{
continue;
}
SourceText mergedText;
if (linkedDocumentsWithChanges.Count() > 1)
{
var mergeGroupResult = await MergeLinkedDocumentGroupAsync(allLinkedDocuments, linkedDocumentsWithChanges, sessionInfo, mergeConflictHandler, cancellationToken).ConfigureAwait(false);
linkedFileMergeResults.Add(mergeGroupResult);
mergedText = mergeGroupResult.MergedSourceText;
}
else
{
mergedText = await _newSolution.GetDocument(linkedDocumentsWithChanges.Single()).GetTextAsync(cancellationToken).ConfigureAwait(false);
}
foreach (var documentId in allLinkedDocuments)
{
updatedSolution = updatedSolution.WithDocumentText(documentId, mergedText);
}
}
LogLinkedFileDiffMergingSessionInfo(sessionInfo);
return new LinkedFileMergeSessionResult(updatedSolution, linkedFileMergeResults);
}
internal async Task<Solution> WithMergedLinkedFileChangesAsync(
Solution oldSolution,
SolutionChanges? solutionChanges = null,
IMergeConflictHandler mergeConflictHandler = null,
CancellationToken cancellationToken = default(CancellationToken))
{
// we only log sessioninfo for actual changes committed to workspace which should exclude ones from preview
var session = new LinkedFileDiffMergingSession(oldSolution, this, solutionChanges ?? this.GetChanges(oldSolution), logSessionInfo: solutionChanges != null);
return (await session.MergeDiffsAsync(mergeConflictHandler, cancellationToken).ConfigureAwait(false)).MergedSolution;
}