/// <summary>
/// Based on the provided product configuration and the new packages, returns a joint list of the packages
/// </summary>
/// <param name="packageGraph">Existing product configuration</param>
/// <param name="newPackages">New packages to install. Some packages may be defined only by name, without version or using NuGet versioning notation</param>
/// <returns>Combined list of the versioned packages</returns>
/// <exception cref="System.ArgumentException">Package Id cannot be empty</exception>
public async Task <ICollection <PackageId> > Discover(IPackageGraph packageGraph, ICollection <PackageId> newPackages)
{
var tasks = new List <Task <PackageId> >();
foreach (var packageId in newPackages)
{
if (string.IsNullOrWhiteSpace(packageId.Id))
{
throw new ArgumentException("Package Id cannot be empty");
}
tasks.Add(NuGetEngine.ResolvePackageVersion(packageId));
}
var versionedPackages = (await Task.WhenAll(tasks)).ToList();
var productPackages = packageGraph.Packages.Select(x => x.Package);
foreach (var productPackage in productPackages)
{
var addPackage = !versionedPackages.Any(x => string.Equals(x.Id, productPackage.Id,
StringComparison.CurrentCultureIgnoreCase));
if (addPackage)
{
versionedPackages.Add(productPackage);
}
}
return(versionedPackages);
}
/// <summary>
/// Generates an installation plan
/// </summary>
/// <param name="productPackages">Current product</param>
/// <param name="packages">Packages to install</param>
/// <returns><see cref="InstallationPlan" /></returns>
public async Task <InstallationPlan> PlanInstallation(IPackageGraph productPackages, ICollection <PackageId> packages)
{
var plan = new InstallationPlan();
var resolvedPackagesDictionary = new Dictionary <PackageId, DeploymentPackageInfo>();
var resolvedPackages = await NuGetEngine.ResolvePackages(packages);
NuGetEngine.AnalyzePackages(resolvedPackages);
var graphBuilder = new PackageGraphBuilder();
foreach (var innerNode in resolvedPackages.InnerNodes)
{
TranslateNuGetGraphNode(innerNode, graphBuilder, resolvedPackagesDictionary);
}
plan.TargetPackageGraph = graphBuilder.Build();
var resolvedPackagesList = plan.TargetPackageGraph.FlattenMostDependentFirst();
var productPackagesList = productPackages.FlattenMostDependentFirst();
var deploymentActions = new List <DeploymentAction>();
foreach (var packageId in resolvedPackagesList)
{
var packageMatch = productPackagesList.FirstOrDefault(x => x.Id == packageId.Id);
var isUpdate = (packageMatch != null) && (packageMatch.Version != packageId.Version);
var install = (packageMatch == null) || isUpdate;
if (isUpdate)
{
deploymentActions.Add(new DeletePackageAction(DeploymentContext, true, packageMatch));
plan.UpdateCount++;
}
if (install)
{
var packageInfo = resolvedPackagesDictionary[packageId];
deploymentActions.Add(new DownloadPackageAction(DeploymentContext, isUpdate,
packageInfo, NuGetEngine, PackagesFolderPath));
deploymentActions.Add(new InstallPackageAction(DeploymentContext, isUpdate, packageInfo,
DeploymentStrategyProvider));
if (!isUpdate)
{
plan.InstallCount++;
}
}
else
{
plan.RemainingPackages.Add(packageId);
}
}
plan.Actions = deploymentActions.Where(x => x is DownloadPackageAction)
.Concat(deploymentActions.Where(x => x is DeletePackageAction))
.Concat(deploymentActions.Where(x => x is InstallPackageAction))
.ToList();
return(plan);
}
/// <summary>
/// Generates an uninstallation plan
/// </summary>
/// <param name="productPackages">Current product</param>
/// <param name="packages">Packages to uninstall</param>
/// <param name="removeDependencies">Defines whether the package dependencies shall be removed as well. When false, only the requested packages will be deleted</param>
/// <returns><see cref="UninstallationPlan" /></returns>
public async Task <UninstallationPlan> PlanUninstallation(IPackageGraph productPackages, ICollection <PackageId> packages,
bool removeDependencies)
{
if (removeDependencies)
{
packages = productPackages.SliceWithDependencies(packages, true).FlattenMostDependentFirst();
}
var plan = new UninstallationPlan
{
Actions = packages.Select(package => new DeletePackageAction(DeploymentContext, false, package))
.Cast <DeploymentAction>()
.ToList()
};
return(await Task.FromResult(plan));
}
public void Reconfigure(IEnumerable <IPackageConfiguration> packages, IPackageGraph packageGraph,
IDictionary <PackageId, IEnumerable <string> > files)
{
Packages = packageGraph;
ProductPackages.Clear();
foreach (var package in packages)
{
var info = new ProductPackageInfo
{
Configuration = package
};
var packageFiles = files.FirstOrDefault(f => f.Key.IsSamePackage(package.Id)).Value;
if (packageFiles != null)
{
info.Files.AddRange(packageFiles);
}
ProductPackages.Add(info);
}
}
private bool ReconfiguringPackages(IEnumerable <ProductPackageInfo> packagesInfo, IPackageGraph resolvedPackagesGraph)
{
var packages = new List <IPackageConfiguration>();
var packageFiles = new Dictionary <PackageId, IEnumerable <IPackageFile> >();
foreach (var packageInfo in packagesInfo)
{
packages.Add(packageInfo.Configuration);
packageFiles.Add(packageInfo.Configuration.Id, packageInfo.Files);
}
DeploymentContext.ProductConfigurationProvider.Reconfigure(packages, resolvedPackagesGraph, packageFiles);
DeploymentContext.ProductConfigurationProvider.Save();
return(true);
}