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@ -0,0 +1,195 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.Updates;
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namespace MediaBrowser.Common.Implementations.Updates
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{
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public class GithubUpdater
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{
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private readonly IHttpClient _httpClient;
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private readonly IJsonSerializer _jsonSerializer;
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private TimeSpan _cacheLength;
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public GithubUpdater(IHttpClient httpClient, IJsonSerializer jsonSerializer, TimeSpan cacheLength)
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{
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_httpClient = httpClient;
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_jsonSerializer = jsonSerializer;
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_cacheLength = cacheLength;
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}
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public async Task<CheckForUpdateResult> CheckForUpdateResult(string organzation, string repository, Version minVersion, bool includePrerelease, string assetFilename, string packageName, string targetFilename, CancellationToken cancellationToken)
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{
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var url = string.Format("https://api.github.com/repos/{0}/{1}/releases", organzation, repository);
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var options = new HttpRequestOptions
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{
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Url = url,
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EnableKeepAlive = false,
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CancellationToken = cancellationToken,
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UserAgent = "Emby/3.0"
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};
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if (_cacheLength.Ticks > 0)
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{
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options.CacheMode = CacheMode.Unconditional;
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options.CacheLength = _cacheLength;
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}
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using (var stream = await _httpClient.Get(new HttpRequestOptions
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{
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Url = url,
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EnableKeepAlive = false,
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CancellationToken = cancellationToken,
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UserAgent = "Emby/3.0"
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}).ConfigureAwait(false))
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{
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var obj = _jsonSerializer.DeserializeFromStream<RootObject[]>(stream);
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var availableUpdate = CheckForUpdateResult(obj, minVersion, includePrerelease, assetFilename, packageName, targetFilename);
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return availableUpdate ?? new CheckForUpdateResult
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{
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IsUpdateAvailable = false
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};
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}
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}
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private CheckForUpdateResult CheckForUpdateResult(RootObject[] obj, Version minVersion, bool includePrerelease, string assetFilename, string packageName, string targetFilename)
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{
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if (!includePrerelease)
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{
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obj = obj.Where(i => !i.prerelease).ToArray();
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}
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// TODO:
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// Filter using name and check for suffixes such as -beta, -dev?
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return obj.Select(i => CheckForUpdateResult(i, minVersion, assetFilename, packageName, targetFilename)).FirstOrDefault(i => i != null);
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}
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private CheckForUpdateResult CheckForUpdateResult(RootObject obj, Version minVersion, string assetFilename, string packageName, string targetFilename)
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{
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Version version;
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if (!Version.TryParse(obj.tag_name, out version))
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{
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return null;
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}
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if (version < minVersion)
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{
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return null;
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}
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var asset = (obj.assets ?? new List<Asset>()).FirstOrDefault(i => string.Equals(assetFilename, Path.GetFileName(i.browser_download_url), StringComparison.OrdinalIgnoreCase));
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if (asset == null)
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{
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return null;
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}
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return new CheckForUpdateResult
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{
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AvailableVersion = version.ToString(),
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IsUpdateAvailable = version > minVersion,
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Package = new PackageVersionInfo
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{
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classification = obj.prerelease ? PackageVersionClass.Beta : PackageVersionClass.Release,
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name = packageName,
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sourceUrl = asset.browser_download_url,
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targetFilename = targetFilename,
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versionStr = version.ToString(),
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requiredVersionStr = "1.0.0"
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}
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};
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}
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public class Uploader
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{
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public string login { get; set; }
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public int id { get; set; }
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public string avatar_url { get; set; }
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public string gravatar_id { get; set; }
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public string url { get; set; }
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public string html_url { get; set; }
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public string followers_url { get; set; }
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public string following_url { get; set; }
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public string gists_url { get; set; }
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public string starred_url { get; set; }
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public string subscriptions_url { get; set; }
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public string organizations_url { get; set; }
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public string repos_url { get; set; }
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public string events_url { get; set; }
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public string received_events_url { get; set; }
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public string type { get; set; }
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public bool site_admin { get; set; }
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}
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public class Asset
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{
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public string url { get; set; }
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public int id { get; set; }
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public string name { get; set; }
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public object label { get; set; }
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public Uploader uploader { get; set; }
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public string content_type { get; set; }
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public string state { get; set; }
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public int size { get; set; }
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public int download_count { get; set; }
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public string created_at { get; set; }
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public string updated_at { get; set; }
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public string browser_download_url { get; set; }
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}
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public class Author
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{
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public string login { get; set; }
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public int id { get; set; }
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public string avatar_url { get; set; }
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public string gravatar_id { get; set; }
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public string url { get; set; }
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public string html_url { get; set; }
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public string followers_url { get; set; }
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public string following_url { get; set; }
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public string gists_url { get; set; }
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public string starred_url { get; set; }
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public string subscriptions_url { get; set; }
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public string organizations_url { get; set; }
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public string repos_url { get; set; }
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public string events_url { get; set; }
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public string received_events_url { get; set; }
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public string type { get; set; }
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public bool site_admin { get; set; }
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}
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public class RootObject
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{
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public string url { get; set; }
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public string assets_url { get; set; }
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public string upload_url { get; set; }
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public string html_url { get; set; }
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public int id { get; set; }
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public string tag_name { get; set; }
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public string target_commitish { get; set; }
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public string name { get; set; }
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public bool draft { get; set; }
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public Author author { get; set; }
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public bool prerelease { get; set; }
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public string created_at { get; set; }
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public string published_at { get; set; }
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public List<Asset> assets { get; set; }
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public string tarball_url { get; set; }
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public string zipball_url { get; set; }
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public string body { get; set; }
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}
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}
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}
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