private async ValueTask <Module> GetModuleAsync(IModuleSource source,
ModuleReleaseIdentifier releaseId,
CancellationToken cancellation)
{
var moduleId = releaseId.Module;
var moduleVersion = releaseId.Version;
Module module;
do
{
module = await _entityStorageEngine.GetByIdAsync <Module>(moduleId.ToString(), cancellation);
if (module == null)
{
var metadata = await source.GetMetadataAsync(releaseId, _metadataReader, cancellation);
module = new Module(metadata, source);
}
else if (module.GetRelease(moduleVersion) is var release && release != null)
{
if (release.TryAddSource(source))
{
break;
}
}
else
{
var metadata = await source.GetMetadataAsync(releaseId, _metadataReader, cancellation);
module.AddRelease(metadata, source);
}
}while (!await _entityStorageEngine.TryStoreAsync(module, cancellation));
public static ValueTask <IModuleMetadata> GetMetadataAsync(this IModuleSource moduleSource,
ModuleReleaseIdentifier moduleRelease,
IMetadataReader moduleMetadataReader,
CancellationToken cancellation = default)
{
if (moduleSource == null)
{
throw new ArgumentNullException(nameof(moduleSource));
}
if (moduleRelease == default)
{
throw new ArgumentDefaultException(nameof(moduleRelease));
}
return(moduleSource.GetMetadataAsync(moduleRelease.Module, moduleRelease.Version, moduleMetadataReader, cancellation));
}