private async Task ResolveDependenciesAsync(IDependencyResolver dependencyResolver,
CancellationToken cancellation)
{
var unresolvedDependencies = InstalledModules.Unresolved;
var unresolvedInstallationSet = new UnresolvedInstallationSet(resolved: Enumerable.Empty <ModuleReleaseIdentifier>(),
unresolved: unresolvedDependencies);
var resolvedInstallationSets = (await unresolvedInstallationSet.ResolveAsync(dependencyResolver, cancellation)).ToList();
if (resolvedInstallationSets.Count() == 0)
{
Notify(new InstallationSetConflict());
// TODO: Replace with logging. We cannot access the logger in the domain currently, as we do not have DI in the domain.
Console.WriteLine("---> InstallationSetConflict");
}
else
{
resolvedInstallationSets.Sort();
ResolvedModules = resolvedInstallationSets.First();
Notify(new InstallationSetChanged(ResolvedModules));
// TODO: Replace with logging. We cannot access the logger in the domain currently, as we do not have DI in the domain.
Console.WriteLine("---> InstallationSetChanged: ");
foreach (var release in ResolvedModules.Resolved)
{
Console.WriteLine(release.Module + " " + release.Version);
}
}
}
private async Task <IEnumerable <ResolvedInstallationSet> > TryResolveSingleDependencyAsync(ModuleDependency dependency,
IDependencyResolver dependencyResolver,
CancellationToken cancellation)
{
// We have a resolved dependency that does not match our version filter => This is a version conflict
if (_resolved != null &&
_resolved.TryGetValue(dependency.Module, out var resolvedDependency) &&
!dependency.VersionRange.IsMatch(resolvedDependency))
{
return(Enumerable.Empty <ResolvedInstallationSet>());
}
var matchingReleases = await dependencyResolver.GetMatchingReleasesAsync(dependency, cancellation);
var resolvedInstallationSets = new List <ResolvedInstallationSet>();
var resolveTasks = new List <Task <IEnumerable <ResolvedInstallationSet> > >();
foreach (var matchingRelease in matchingReleases)
{
var dependencies = await dependencyResolver.GetDependenciesAsync(matchingRelease, cancellation);
if (!TryCombine(matchingRelease, dependencies, out var unresolved))
{
continue;
}
var resolved = (_resolved ?? ImmutableDictionary <ModuleIdentifier, ModuleVersion> .Empty).Add(matchingRelease.Module, matchingRelease.Version);
// If there are no unresolved dependencies for the release, we can short circuit.
if (unresolved.Count == 0)
{
resolvedInstallationSets.Add(new ResolvedInstallationSet(resolved.Select(p => new ModuleReleaseIdentifier(p.Key, p.Value))));
}
else
{
var unresolvedInstallationSet = new UnresolvedInstallationSet(resolved, unresolved);
resolveTasks.Add(unresolvedInstallationSet.ResolveAsync(dependencyResolver, cancellation));
}
}
// TODO: Is it possible that there are duplicates?
return((await Task.WhenAll(resolveTasks)).SelectMany(_ => _).Concat(resolvedInstallationSets));
}