/// <summary>
/// Discovers the version of the Nuget package used in this version of Sitecore by checking the DLL version,
/// and attempting to find that package on the public Nuget repository.
/// </summary>
/// <param name="packageName"></param>
/// <param name="binFolderPath"></param>
/// <returns></returns>
public ManifestDependency FindPublicThirdPartyNugetPackage(string packageName, string binFolderPath)
{
// convert package name to DLL name
var assemlbyName = this.ResolveKnownAssemblyNameForPackage(packageName);
var fullAssemblyPath = Path.Combine(binFolderPath, assemlbyName + ".DLL");
// find name of DLL in binDirectory
if (!File.Exists(fullAssemblyPath))
{
Console.WriteLine("--- Assembly for Nuget Package Not Found: " + packageName);
return null;
}
// find the version of that DLL
var fvi = FileVersionInfo.GetVersionInfo(fullAssemblyPath);
var ver = new VersionInfo(fvi.FileMajorPart, fvi.FileMinorPart, fvi.FileBuildPart, fvi.FilePrivatePart);
// find equivalent on public Nuget Repo
return this.SearchForPackage(packageName, ver);
}
/// <summary>
/// Attempts to find the correct available version of a Nuget package.
/// It will Try the version {Major, Minor, Build, Revision}, Then {Major, Minor, Build}, then {Major, Minor}, then {Major}
/// </summary>
/// <param name="packages"></param>
/// <param name="assemblyVersion"></param>
/// <returns></returns>
private IPackage FindMatchingPackageVersion(IReadOnlyCollection<IPackage> packages, VersionInfo assemblyVersion)
{
Assert.ArgumentNotNull(packages, nameof(packages));
Assert.ArgumentNotNull(assemblyVersion, nameof(assemblyVersion));
var matchingPackage = packages.FirstOrDefault(package => package.Version.Version.Equals(assemblyVersion));
if (matchingPackage != null)
{
return matchingPackage;
}
var major = assemblyVersion.Major;
var minor = assemblyVersion.Minor;
var build = assemblyVersion.Build;
// Major, Minor, Build
var buildVersionMatch = new Version(major, minor, build, 0);
matchingPackage = packages.FirstOrDefault(package => package.Version.Version.Equals(buildVersionMatch));
if (matchingPackage != null)
{
return matchingPackage;
}
// Major, Minor, BuildDigit1 (i.e 5.2.30706 becomes 5.2.3)
var firstDigitBuildNumber = Math.Abs(build);
while (firstDigitBuildNumber >= 10)
{
firstDigitBuildNumber /= 10;
}
var firstDigitiBuildVersionMatch = new Version(major, minor, firstDigitBuildNumber, 0);
matchingPackage = packages.FirstOrDefault(package => package.Version.Version.Equals(firstDigitiBuildVersionMatch));
if (matchingPackage != null)
{
return matchingPackage;
}
// Major, Minor
var minorVersionMatch = new Version(major, minor, 0, 0);
matchingPackage = packages.FirstOrDefault(package => package.Version.Version.Equals(minorVersionMatch));
if (matchingPackage != null)
{
return matchingPackage;
}
// Major
var majorVersionMatch = new Version(major, 0, 0, 0);
matchingPackage = packages.FirstOrDefault(package => package.Version.Version.Equals(majorVersionMatch));
// ReSharper disable once UseNullPropagation
if (matchingPackage != null)
{
return matchingPackage;
}
return null;
}
/// <summary>
/// Searches the public Nuget repository for the given package name and version.
/// </summary>
/// <param name="nugetPackageID"></param>
/// <param name="assemblyVersionInfo"></param>
/// <returns></returns>
private ManifestDependency SearchForPackage(string nugetPackageID, VersionInfo assemblyVersionInfo)
{
// http://blog.nuget.org/20130520/Play-with-packages.html
// Connect to the official package repository
var repo = PackageRepositoryFactory.Default.CreateRepository("https://packages.nuget.org/api/v2");
// Get the list of all NuGet packages with the ID provided
var packages = repo.FindPackagesById(nugetPackageID).ToList();
if (!packages.Any())
{
// error package not found
Console.WriteLine("- Package Not Found: " + nugetPackageID);
return null;
}
var matchingPackage = this.FindMatchingPackageVersion(packages, assemblyVersionInfo);
if (matchingPackage == null) // || IsNotCompleteVersion) - DotNetOpenAuth issue
{
Console.WriteLine("--- Version Not Found: " + nugetPackageID + ", " + assemblyVersionInfo);
return null;
}
return new ManifestDependency { Id = matchingPackage.Id, Version = matchingPackage.Version.Version.ToString() };
}