private async Task DownloadDirectoryAsync(HttpClient httpClient, GitHubItem item, string localDirectory)
{
if (!string.IsNullOrEmpty(item.Name))
{
localDirectory = Path.Combine(localDirectory, item.Name);
}
if (!Directory.Exists(localDirectory))
{
Directory.CreateDirectory(localDirectory);
}
_logger.LogTrace($"Downloading item list for directory '{localDirectory}'.");
var subItemsContent = await httpClient.GetStringAsync(item.DownloadUrl).ConfigureAwait(false);
var subItems = JsonConvert.DeserializeObject <List <GitHubItem> >(subItemsContent);
foreach (var subItem in subItems)
{
if (subItem.Type == "file")
{
await DownloadFileAsync(httpClient, subItem, localDirectory).ConfigureAwait(false);
}
else if (subItem.Type == "dir")
{
subItem.DownloadUrl = item.DownloadUrl.TrimEnd('/') + "/" + subItem.Name;
await DownloadDirectoryAsync(httpClient, subItem, localDirectory).ConfigureAwait(false);
}
}
}
private async Task DownloadFileAsync(HttpClient httpClient, GitHubItem item, string localDirectory)
{
var uri = item.DownloadUrl;
_logger.LogTrace($"Downloading file '{uri}' (Size = {item.Size} bytes).");
var fileContent = await httpClient.GetByteArrayAsync(uri).ConfigureAwait(false);
var filename = Path.Combine(localDirectory, item.Name);
await File.WriteAllBytesAsync(filename, fileContent).ConfigureAwait(false);
}
public async Task DownloadAsync(PackageUid packageUid, string targetPath)
{
if (packageUid == null)
{
throw new ArgumentNullException(nameof(packageUid));
}
if (targetPath == null)
{
throw new ArgumentNullException(nameof(targetPath));
}
var tempPath = targetPath + "_downloading";
if (Directory.Exists(tempPath))
{
Directory.Delete(tempPath, true);
}
Directory.CreateDirectory(tempPath);
using (var httpClient = new HttpClient())
{
// The User-Agent is mandatory for using the GitHub API.
// https://developer.github.com/v3/?#user-agent-required
httpClient.DefaultRequestHeaders.TryAddWithoutValidation("User-Agent", "Wirehome.Core");
var rootItem = new GitHubItem
{
Type = "dir",
DownloadUrl = $"{_options.OfficialRepositoryBaseUri}/{packageUid.Id}/{packageUid.Version}"
};
await DownloadDirectoryAsync(httpClient, rootItem, tempPath).ConfigureAwait(false);
}
if (Directory.Exists(targetPath))
{
Directory.Delete(targetPath, true);
}
Directory.Move(tempPath, targetPath);
}
