private async Task <Solution> UpdateProjectsAsync(Solution solution, HashSet <Checksum> oldChecksums, HashSet <Checksum> newChecksums)
{
var oldMap = await GetProjectMapAsync(solution, oldChecksums).ConfigureAwait(false);
var newMap = await GetProjectMapAsync(_assetProvider, newChecksums).ConfigureAwait(false);
// bulk sync assets
await SynchronizeAssetsAsync(oldMap, newMap).ConfigureAwait(false);
// added project
foreach (var(projectId, newProjectChecksums) in newMap)
{
if (!oldMap.ContainsKey(projectId))
{
var projectInfo = await _assetProvider.CreateProjectInfoAsync(newProjectChecksums.Checksum, _cancellationToken).ConfigureAwait(false);
if (projectInfo == null)
{
// this project is not supported in OOP
continue;
}
// we have new project added
solution = solution.AddProject(projectInfo);
}
}
// changed project
foreach (var(projectId, newProjectChecksums) in newMap)
{
if (!oldMap.TryGetValue(projectId, out var oldProjectChecksums))
{
continue;
}
Contract.ThrowIfTrue(oldProjectChecksums.Checksum == newProjectChecksums.Checksum);
solution = await UpdateProjectAsync(solution.GetProject(projectId) !, oldProjectChecksums, newProjectChecksums).ConfigureAwait(false);
}
// removed project
foreach (var(projectId, _) in oldMap)
{
if (!newMap.ContainsKey(projectId))
{
// we have a project removed
solution = solution.RemoveProject(projectId);
}
}
return(solution);
}
private async Task <Solution> UpdateProjectsAsync(Solution solution, HashSet <Checksum> oldChecksums, HashSet <Checksum> newChecksums, CancellationToken cancellationToken)
{
var oldMap = await GetProjectMapAsync(solution, oldChecksums, cancellationToken).ConfigureAwait(false);
var newMap = await GetProjectMapAsync(_assetProvider, newChecksums, cancellationToken).ConfigureAwait(false);
// bulk sync assets
await SynchronizeAssetsAsync(oldMap, newMap, cancellationToken).ConfigureAwait(false);
// added project
foreach (var(projectId, newProjectChecksums) in newMap)
{
if (!oldMap.ContainsKey(projectId))
{
var projectInfo = await _assetProvider.CreateProjectInfoAsync(newProjectChecksums.Checksum, cancellationToken).ConfigureAwait(false);
if (projectInfo == null)
{
// this project is not supported in OOP
continue;
}
// we have new project added
solution = solution.AddProject(projectInfo);
}
}
// remove all project references from projects that changed. this ensures exceptions will not occur for
// cyclic references during an incremental update.
foreach (var(projectId, newProjectChecksums) in newMap)
{
if (!oldMap.TryGetValue(projectId, out var oldProjectChecksums))
{
continue;
}
if (oldProjectChecksums.ProjectReferences.Checksum != newProjectChecksums.ProjectReferences.Checksum)
{
solution = solution.WithProjectReferences(projectId, SpecializedCollections.EmptyEnumerable <ProjectReference>());
}
}
// removed project
foreach (var(projectId, _) in oldMap)
{
if (!newMap.ContainsKey(projectId))
{
// we have a project removed
solution = solution.RemoveProject(projectId);
}
}
// changed project
foreach (var(projectId, newProjectChecksums) in newMap)
{
if (!oldMap.TryGetValue(projectId, out var oldProjectChecksums))
{
continue;
}
Contract.ThrowIfTrue(oldProjectChecksums.Checksum == newProjectChecksums.Checksum);
solution = await UpdateProjectAsync(solution.GetRequiredProject(projectId), oldProjectChecksums, newProjectChecksums, cancellationToken).ConfigureAwait(false);
}
return(solution);
}
