public static NuGet.IPackageConstraintProvider Provider([NotNull] this ConstraintProvider provider)
{
if (provider == null)
{
throw new ArgumentNullException(nameof(provider));
}
if (!provider.HasConstraints)
{
return(NuGet.NullConstraintProvider.Instance);
}
else
{
var res = new NuGet.DefaultConstraintProvider();
foreach (var constraint in provider.Constraints)
{
res.AddConstraint(constraint.Key, constraint.Value.ToVersionSpec());
}
return(res);
}
}
/// <summary>
/// Find the installed package <paramref name="packageId"/> using the version <paramref name="versionRange"/> if not null, otherwise the <paramref name="constraintProvider"/> if specified.
/// If no constraints are specified, the first found entry, whatever it means for NuGet, is used.
/// </summary>
/// <param name="packageId">Name of the package.</param>
/// <param name="versionRange">The version range.</param>
/// <param name="constraintProvider">The package constraint provider.</param>
/// <param name="allowPrereleaseVersions">if set to <c>true</c> [allow prelease version].</param>
/// <param name="allowUnlisted">if set to <c>true</c> [allow unlisted].</param>
/// <returns>A Package matching the search criterion or null if not found.</returns>
/// <exception cref="System.ArgumentNullException">packageId</exception>
/// <returns></returns>
public NugetPackage FindLocalPackage(string packageId, PackageVersionRange versionRange = null, ConstraintProvider constraintProvider = null, bool allowPrereleaseVersions = true, bool allowUnlisted = false)
{
var package = manager.LocalRepository.FindPackage(packageId, versionRange?.ToVersionSpec(), constraintProvider?.Provider(), allowPrereleaseVersions, allowUnlisted);
return(package != null ? new NugetPackage(package) : null);
}
