public async Task Acquire(Acquirable acquirable)
{
var result = await acquirable.Fetch(_httpClient);
if (!result.IsSuccess)
{
return;
}
if (await CheckSdkExists(result.Version))
{
_textWriter.WriteLine($"SDK version {result.Version} is already installed.");
return;
}
using var channelResponse = await JsonDocument.ParseAsync(await _httpClient.GetStreamAsync(result.ChannelJson));
var file = channelResponse
.RootElement.GetProperty("releases").EnumerateArray()
.SelectMany(x =>
{
IEnumerable <JsonElement> GetSdks()
{
yield return(x.GetProperty("sdk"));
if (x.TryGetProperty("sdks", out var sdks))
{
foreach (var y in sdks.EnumerateArray())
{
yield return(y);
}
}
}
return(GetSdks());
})
.First(x => x.GetProperty("version").GetString() == result.Version)
.GetProperty("files")
.EnumerateArray()
.First(FileFilter);
var name = file.GetProperty("name").GetString();
var installerUrl = file.GetProperty("url").GetString();
var fileHash = file.GetProperty("hash").GetString();
var filePath = Path.Combine(Path.GetTempPath(), name);
_textWriter.WriteLine($"Starting download of .NET Core SDK Version {result.Version}");
using (var installerStream = await _httpClient.GetStreamAsync(installerUrl))
{
using var fileStream = new FileStream(filePath, FileMode.Create);
var progress = new Progress <long>();
var lastReportedBytesMbs = 0;
progress.ProgressChanged += (sender, totalBytes) =>
{
var currentBytesMbs = (int)Math.Floor(totalBytes / Math.Pow(2, 20));
if (currentBytesMbs <= lastReportedBytesMbs)
{
return;
}
lastReportedBytesMbs = currentBytesMbs;
_textWriter.SetCursorPosition(0, Console.CursorTop);
_textWriter.Write($"Downloading: {currentBytesMbs}MB");
};
await CopyToWithProgress(installerStream, fileStream, progress);
}
CheckHash(filePath, fileHash);
_installerLauncher.Launch(filePath);
}
