/// <summary>
/// Retrieve all version information for a package.
/// </summary>
/// <param name="id">Package ID.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task <IEnumerable <NuGetVersion> > GetVersionsAsync(string id, CancellationToken cancellationToken = default)
{
var resource = await _repository.GetResourceAsync <FindPackageByIdResource>(cancellationToken);
using (var context = SourceCacheContextFactory.Create())
{
return(await resource.GetAllVersionsAsync(id, context, _logger, cancellationToken));
}
}
/// <summary>
/// Determine if a package version exists in nuget.
/// </summary>
/// <param name="id">Package ID.</param>
/// <param name="version">Package version.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task <bool> ExistsAsync(string id, string version, CancellationToken cancellationToken = default)
{
var resource = await _repository.GetResourceAsync <FindPackageByIdResource>(cancellationToken);
using (var context = SourceCacheContextFactory.Create())
{
return(await resource.DoesPackageExistAsync(id, NuGetVersion.Parse(version), context, _logger, cancellationToken));
}
}
/// <summary>
/// Retrieve a package's metadata.
/// </summary>
/// <param name="packageIdentity">Package identity.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task <IPackageSearchMetadata> GetAsync(PackageIdentity packageIdentity, CancellationToken cancellationToken = default)
{
var resource = await _repository.GetResourceAsync <PackageMetadataResource>(cancellationToken);
using (var context = SourceCacheContextFactory.Create())
{
return(await resource.GetMetadataAsync(packageIdentity, context, _logger, cancellationToken));
}
}
/// <summary>
/// Retrieve metadata for all the versions of a given package.
/// </summary>
/// <param name="id">Package ID.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task <IEnumerable <IPackageSearchMetadata> > GetAsync(string id, CancellationToken cancellationToken = default)
{
var resource = await _repository.GetResourceAsync <PackageMetadataResource>(cancellationToken);
using (var context = SourceCacheContextFactory.Create())
{
// TODO: add options
return(await resource.GetMetadataAsync(id, true, true, context, _logger, cancellationToken));
}
}
/// <summary>
/// Download a package and return as a stream.
/// </summary>
/// <param name="id">Package ID.</param>
/// <param name="version">Package version.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
/// <exception cref="T:ByteDev.Nuget.NugetPackageNotFoundException">Package could not be found.</exception>
public async Task <Stream> DownloadToStreamAsync(string id, string version, CancellationToken cancellationToken = default)
{
var resource = await _repository.GetResourceAsync <FindPackageByIdResource>(cancellationToken);
using (var context = SourceCacheContextFactory.Create())
{
Stream destinationStream = new MemoryStream();
await resource.CopyNupkgToStreamAsync(id, NuGetVersion.Parse(version), destinationStream, context, _logger, cancellationToken);
if (destinationStream.IsEmpty())
{
destinationStream.Dispose();
throw new NugetPackageNotFoundException(id, version);
}
return(destinationStream);
}
}
