jellyfin-server/MediaBrowser.Common.Implementations/Updates/GithubUpdater.cs
2016-01-08 21:00:25 -05:00

202 lines
7.7 KiB
C#

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