public async Task <IEnumerable <string> > GetLibraryVersions(CancellationToken cancellationToken)
{
if (!JsDelivrCatalog.IsGitHub(DisplayName))
{
NpmPackageInfo npmPackageInfo = await NpmPackageInfoCache.GetPackageInfoAsync(DisplayName, CancellationToken.None);
if (npmPackageInfo != null)
{
return(npmPackageInfo.Versions
.OrderByDescending(v => v)
.Select(v => v.ToString())
.ToList());
}
}
return(Enumerable.Empty <string>());
}
/// <summary>
/// Copies ILibraryInstallationState files to cache
/// </summary>
/// <param name="state"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
private async Task <LibraryOperationResult> RefreshCacheAsync(ILibraryInstallationState state, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(LibraryOperationResult.FromCancelled(state));
}
var tasks = new List <Task>();
string libraryDir = Path.Combine(CacheFolder, state.Name);
try
{
List <CacheFileMetadata> librariesMetadata = new List <CacheFileMetadata>();
foreach (string sourceFile in state.Files)
{
string cacheFile = Path.Combine(libraryDir, state.Version, sourceFile);
string libraryId = LibraryIdToNameAndVersionConverter.Instance.GetLibraryId(state.Name, state.Version, state.ProviderId);
string url = string.Format(JsDelivrCatalog.IsGitHub(libraryId) ? DownloadUrlFormatGH : DownloadUrlFormat, state.Name, state.Version, sourceFile);
CacheFileMetadata newEntry = new CacheFileMetadata(url, cacheFile);
if (!librariesMetadata.Contains(newEntry))
{
librariesMetadata.Add(new CacheFileMetadata(url, cacheFile));
}
}
await _cacheService.RefreshCacheAsync(librariesMetadata, cancellationToken);
}
catch (ResourceDownloadException ex)
{
HostInteraction.Logger.Log(ex.ToString(), LogLevel.Error);
return(new LibraryOperationResult(state, PredefinedErrors.FailedToDownloadResource(ex.Url)));
}
catch (OperationCanceledException)
{
return(LibraryOperationResult.FromCancelled(state));
}
catch (Exception ex)
{
HostInteraction.Logger.Log(ex.InnerException.ToString(), LogLevel.Error);
return(new LibraryOperationResult(state, PredefinedErrors.UnknownException()));
}
return(LibraryOperationResult.FromSuccess(state));
}
protected override string GetDownloadUrl(ILibraryInstallationState state, string sourceFile)
{
string libraryId = LibraryNamingScheme.GetLibraryId(state.Name, state.Version);
return(string.Format(JsDelivrCatalog.IsGitHub(libraryId) ? DownloadUrlFormatGH : DownloadUrlFormat, state.Name, state.Version, sourceFile));
}