private async Task AddPackageAsync(List <IPackage> result, SourceRepository repository, IPackageSearchMetadata package, bool isPrereleaseIncluded, CancellationToken cancellationToken)
{
NuGetPackageFilterResult filterResult = await filter.FilterAsync(repository, package, cancellationToken);
switch (filterResult)
{
case NuGetPackageFilterResult.Ok:
log.Debug("Package added.");
result.Add(new NuGetPackage(package, repository, contentService, versionService));
break;
case NuGetPackageFilterResult.NotCompatibleVersion:
log.Debug("Loading order versions.");
result.AddRange(
await versionService.GetListAsync(
1,
package,
repository,
(source, target) => source.Identity.Version != target.Identity.Version,
isPrereleaseIncluded,
cancellationToken
)
);
break;
default:
log.Debug("Package skipped.");
break;
}
}
public async Task <NuGetPackageFilterResult> FilterAsync(SourceRepository repository, IPackageSearchMetadata package, CancellationToken cancellationToken)
{
if (!dependencies.Any())
{
return(NuGetPackageFilterResult.Ok);
}
DependencyInfoResource resource = await repository.GetResourceAsync <DependencyInfoResource>();
if (resource == null)
{
return(NuGetPackageFilterResult.NotCompatible);
}
NuGetPackageFilterResult result = NuGetPackageFilterResult.Ok;
foreach (NuGetFramework framework in frameworks)
{
SourcePackageDependencyInfo dependencyInfo = await resource.ResolvePackage(package.Identity, framework, new SourceCacheContext(), nuGetLogger, cancellationToken);
if (dependencyInfo != null)
{
// Dependency filtering:
// - When incompatible dependency version is found there is a chance that previous version has the right one.
// - When all dependencies are missing, don't even try previous versions.
foreach (var dependency in dependencies)
{
PackageDependency packageDependency = dependencyInfo.Dependencies.FirstOrDefault(p => string.Equals(p.Id, dependency.Id, StringComparison.CurrentCultureIgnoreCase));
if (packageDependency == null)
{
log.Info($"Package '{package.Identity}' skipped: missing dependency '{dependency.Id}'.");
result = NuGetPackageFilterResult.NotCompatible;
}
if (dependency.Version != null && !packageDependency.VersionRange.Satisfies(new NuGetVersion(dependency.Version)))
{
log.Info($"Package '{package.Identity}' skipped: not compatible version '{dependency.Version}' on dependency '{dependency.Id}'.");
return(NuGetPackageFilterResult.NotCompatibleVersion);
}
}
return(result);
}
}
return(NuGetPackageFilterResult.NotCompatible);
}
private IPackage ProcessOlderVersion(SourceRepository repository, IPackageSearchMetadata version)
{
log.Debug($"Found '{version.Identity}'.");
NuGetPackageFilterResult filterResult = filter.IsPassed(version);
switch (filterResult)
{
case NuGetPackageFilterResult.Ok:
log.Debug("Package added.");
return(new NuGetPackage(version, repository, contentService, this));
default:
log.Debug("Package skipped.");
break;
}
return(null);
}
private async Task <IPackage> ProcessOlderVersionAsync(SourceRepository repository, IPackageSearchMetadata version, CancellationToken cancellationToken)
{
log.Debug($"Found '{version.Identity}'.");
NuGetPackageFilterResult filterResult = await filter.FilterAsync(repository, version, cancellationToken);
switch (filterResult)
{
case NuGetPackageFilterResult.Ok:
log.Debug("Package added.");
return(new NuGetPackage(version, repository, contentService, this));
default:
log.Debug("Package skipped.");
break;
}
return(null);
}
public async Task <IReadOnlyCollection <IInstalledPackage> > GetInstalledAsync(IEnumerable <IPackageSource> packageSources, CancellationToken cancellationToken)
{
log.Debug($"Getting list of installed packages from '{ConfigFilePath}'.");
List <IInstalledPackage> result = new List <IInstalledPackage>();
await ReadPackageConfig(
async (package, context) =>
{
foreach (IPackageSource packageSource in packageSources)
{
log.Debug($"Looking in repository '{packageSource.Uri}'.");
SourceRepository repository = repositoryFactory.Create(packageSource);
PackageMetadataResource metadataResource = await repository.GetResourceAsync <PackageMetadataResource>(cancellationToken);
if (metadataResource != null)
{
IPackageSearchMetadata metadata = await metadataResource.GetMetadataAsync(package.PackageIdentity, context, nuGetLog, cancellationToken);
if (metadata != null)
{
log.Debug($"Package '{package.PackageIdentity}' was found.");
NuGetPackageFilterResult filterResult = await packageFilter.FilterAsync(repository, metadata, cancellationToken);
result.Add(new NuGetInstalledPackage(
new NuGetPackage(metadata, repository, contentService, versionService),
filterResult == NuGetPackageFilterResult.Ok
));
break;
}
}
}
return(false);
},
cancellationToken
);
log.Debug($"Returning '{result.Count}' installed packages.");
return(result);
}
public NuGetPackageFilterResult IsPassed(IPackageSearchMetadata package)
{
if (!dependencies.Any())
{
return(NuGetPackageFilterResult.Ok);
}
foreach (var group in package.DependencySets)
{
if (frameworks.Contains(group.TargetFramework))
{
NuGetPackageFilterResult result = NuGetPackageFilterResult.Ok;
// Dependency filtering:
// - When incompatible dependency version is found there is a chance that previous version has the right one.
// - When all dependencies are missing, don't even try previous versions.
foreach (var dependency in dependencies)
{
PackageDependency packageDependency = group.Packages.FirstOrDefault(p => p.Id == dependency.Id);
if (packageDependency == null)
{
result = NuGetPackageFilterResult.NotCompatible;
}
if (dependency.Version != null && !packageDependency.VersionRange.Satisfies(new NuGetVersion(dependency.Version)))
{
return(NuGetPackageFilterResult.NotCompatibleVersion);
}
}
return(result);
}
}
return(NuGetPackageFilterResult.NotCompatible);
}
