/// <summary>
/// Executes the list of <param name="nuGetProjectActions"></param> on <param name="nuGetProject"></param>, which is likely obtained by calling into PreviewInstallPackageAsync
/// <param name="nuGetProjectContext"></param> is used in the process
/// </summary>
public async Task ExecuteNuGetProjectActionsAsync(NuGetProject nuGetProject, IEnumerable<NuGetProjectAction> nuGetProjectActions,
INuGetProjectContext nuGetProjectContext, CancellationToken token)
{
if (nuGetProject == null)
{
throw new ArgumentNullException("nuGetProject");
}
if (nuGetProjectActions == null)
{
throw new ArgumentNullException("nuGetProjectActions");
}
if (nuGetProjectContext == null)
{
throw new ArgumentNullException("nuGetProjectContext");
}
Exception executeNuGetProjectActionsException = null;
Stack<NuGetProjectAction> executedNuGetProjectActions = new Stack<NuGetProjectAction>();
HashSet<PackageIdentity> packageWithDirectoriesToBeDeleted = new HashSet<PackageIdentity>(PackageIdentity.Comparer);
try
{
await nuGetProject.PreProcessAsync(nuGetProjectContext, token);
foreach (NuGetProjectAction nuGetProjectAction in nuGetProjectActions)
{
executedNuGetProjectActions.Push(nuGetProjectAction);
if (nuGetProjectAction.NuGetProjectActionType == NuGetProjectActionType.Uninstall)
{
await ExecuteUninstallAsync(nuGetProject, nuGetProjectAction.PackageIdentity, packageWithDirectoriesToBeDeleted, nuGetProjectContext, token);
}
else
{
using (var targetPackageStream = new MemoryStream())
{
await PackageDownloader.GetPackageStream(nuGetProjectAction.SourceRepository, nuGetProjectAction.PackageIdentity, targetPackageStream, token);
await ExecuteInstallAsync(nuGetProject, nuGetProjectAction.PackageIdentity, targetPackageStream, packageWithDirectoriesToBeDeleted, nuGetProjectContext, token);
}
}
string toFromString = nuGetProjectAction.NuGetProjectActionType == NuGetProjectActionType.Install ? Strings.To : Strings.From;
nuGetProjectContext.Log(MessageLevel.Info, Strings.SuccessfullyExecutedPackageAction,
nuGetProjectAction.NuGetProjectActionType.ToString().ToLowerInvariant(), nuGetProjectAction.PackageIdentity.ToString(), toFromString + " " + nuGetProject.GetMetadata<string>(NuGetProjectMetadataKeys.Name));
}
await nuGetProject.PostProcessAsync(nuGetProjectContext, token);
await OpenReadmeFile(nuGetProjectContext, token);
}
catch (Exception ex)
{
executeNuGetProjectActionsException = ex;
}
if(executeNuGetProjectActionsException != null)
{
await Rollback(nuGetProject, executedNuGetProjectActions, packageWithDirectoriesToBeDeleted, nuGetProjectContext, token);
}
// Delete the package directories as the last step, so that, if an uninstall had to be rolled back, we can just use the package file on the directory
// Also, always perform deletion of package directories, even in a rollback, so that there are no stale package directories
foreach(var packageWithDirectoryToBeDeleted in packageWithDirectoriesToBeDeleted)
{
await DeletePackage(packageWithDirectoryToBeDeleted, nuGetProjectContext, token);
}
// Clear direct install
SetDirectInstall(null, nuGetProjectContext);
if(executeNuGetProjectActionsException != null)
{
throw executeNuGetProjectActionsException;
}
}
