private async Task <PackageInfo> GetBestMatchPackageVersionsAsync(string registry, bool includePrerelease, string packageId, SemVer.Range range)
{
PackageOption option = new PackageOption
{
packageId = packageId,
includePrerelease = includePrerelease,
registry = registry
};
Console.WriteLine($"Try to find best match: {packageId}: {range.ToString()}");
IEnumerable <string> versionValues = await GetPackageVersionAsync(option.packageId, option.registry, option.includePrerelease);
IEnumerable <SemVer.Version> versions = versionValues?.Select(x => new SemVer.Version(x, true));
if (versions == null)
{
return(null);
}
SemVer.Version bestMatchVersion = range.MaxSatisfying(versions);
if (bestMatchVersion == null)
{
bestMatchVersion = versions.OrderByDescending(x => x).FirstOrDefault();
}
return(new PackageInfo {
packageId = packageId, packageVersion = bestMatchVersion
});
}
public static int GetSatisfiedVersionIndex(this SemVer.Range versionRange, IList <SemVer.Version> versions)
{
if (versions.Count == 0)
{
return(-1);
}
var highest = (versionRange.ToString().Contains("*") ||
versionRange.ToString().Contains("x"));
var selected = -1;
for (int i = 0; i < versions.Count; i++)
{
if (versionRange.IsSatisfied(versions[i]))
{
if (selected == -1)
{
selected = i;
}
else if (highest)
{
if (versions[selected] < versions[i])
{
selected = i;
}
}
else
{
if (versions[selected] > versions[i])
{
selected = i;
}
}
}
}
return(selected);
}