private bool IsPackageInstalled(Project project, string packageId, NuGetVersion nugetVersion)
{
if (project == null)
{
throw new ArgumentNullException(nameof(project));
}
if (string.IsNullOrEmpty(packageId))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, nameof(packageId));
}
// We simply use ThreadHelper.JoinableTaskFactory.Run instead of PumpingJTF.Run, unlike,
// VsPackageInstaller and VsPackageUninstaller. Because, no powershell scripts get executed
// as part of the operations performed below. Powershell scripts need to be executed on the
// pipeline execution thread and they might try to access DTE. Doing that under
// ThreadHelper.JoinableTaskFactory.Run will consistently result in the UI stop responding
return(_threadingService.JoinableTaskFactory.Run(async delegate
{
try
{
IEnumerable <PackageReference> installedPackageReferences = await GetInstalledPackageReferencesAsync(project);
return PackageServiceUtilities.IsPackageInList(installedPackageReferences, packageId, nugetVersion);
}
catch (Exception exception)
{
await _telemetryProvider.PostFaultAsync(exception, typeof(VsPackageInstallerServices).FullName);
throw;
}
}));
}
/// <summary>
/// Internal install method. All installs from the VS API and template wizard end up here.
/// </summary>
internal async Task InstallInternalAsync(
Project project,
List <PackageIdentity> packages,
ISourceRepositoryProvider repoProvider,
VSAPIProjectContext projectContext,
bool includePrerelease,
bool ignoreDependencies,
CancellationToken token)
{
// Go off the UI thread. This may be called from the UI thread. Only switch to the UI thread where necessary
// This method installs multiple packages and can likely take more than a few secs
// So, go off the UI thread explicitly to improve responsiveness
await TaskScheduler.Default;
var gatherCache = new GatherCache();
var sources = repoProvider.GetRepositories().ToList();
// store expanded node state
var expandedNodes = await VsHierarchyUtility.GetAllExpandedNodesAsync();
try
{
var depBehavior = ignoreDependencies ? DependencyBehavior.Ignore : DependencyBehavior.Lowest;
var packageManager = CreatePackageManager(repoProvider);
// find the project
var nuGetProject = await _solutionManager.GetOrCreateProjectAsync(project, projectContext);
var packageManagementFormat = new PackageManagementFormat(_settings);
// 1 means PackageReference
var preferPackageReference = packageManagementFormat.SelectedPackageManagementFormat == 1;
// Check if default package format is set to `PackageReference` and project has no
// package installed yet then upgrade it to `PackageReference` based project.
if (preferPackageReference &&
(nuGetProject is MSBuildNuGetProject) &&
!(await nuGetProject.GetInstalledPackagesAsync(token)).Any() &&
await NuGetProjectUpgradeUtility.IsNuGetProjectUpgradeableAsync(nuGetProject, project, needsAPackagesConfig: false))
{
nuGetProject = await _solutionManager.UpgradeProjectToPackageReferenceAsync(nuGetProject);
}
// install the package
foreach (var package in packages)
{
var installedPackageReferences = await nuGetProject.GetInstalledPackagesAsync(token);
// Check if the package is already installed
if (package.Version != null &&
PackageServiceUtilities.IsPackageInList(installedPackageReferences, package.Id, package.Version))
{
continue;
}
// Perform the install
await InstallInternalCoreAsync(
packageManager,
gatherCache,
nuGetProject,
package,
sources,
projectContext,
includePrerelease,
ignoreDependencies,
token);
}
}
finally
{
// collapse nodes
await VsHierarchyUtility.CollapseAllNodesAsync(expandedNodes);
}
}