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using System;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Implementations.Updates;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Updates;
namespace MediaBrowser.Server.Startup.Common.Migrations
{
public class UpdateLevelMigration : IVersionMigration
{
private readonly IServerConfigurationManager _config;
private readonly IServerApplicationHost _appHost;
private readonly IHttpClient _httpClient;
private readonly IJsonSerializer _jsonSerializer;
private readonly string _releaseAssetFilename;
public UpdateLevelMigration(IServerConfigurationManager config, IServerApplicationHost appHost, IHttpClient httpClient, IJsonSerializer jsonSerializer, string releaseAssetFilename)
{
_config = config;
_appHost = appHost;
_httpClient = httpClient;
_jsonSerializer = jsonSerializer;
_releaseAssetFilename = releaseAssetFilename;
}
public async void Run()
{
var lastVersion = _config.Configuration.LastVersion;
var currentVersion = _appHost.ApplicationVersion;
if (string.Equals(lastVersion, currentVersion.ToString(), StringComparison.OrdinalIgnoreCase))
{
return;
}
try
{
var updateLevel = _config.Configuration.SystemUpdateLevel;
// Go down a level
if (updateLevel == PackageVersionClass.Release)
{
updateLevel = PackageVersionClass.Beta;
}
else if (updateLevel == PackageVersionClass.Beta)
{
updateLevel = PackageVersionClass.Dev;
}
else if (updateLevel == PackageVersionClass.Dev)
{
// It's already dev, there's nothing to check
return;
}
await CheckVersion(currentVersion, updateLevel, CancellationToken.None).ConfigureAwait(false);
}
catch
{
}
}
private async Task CheckVersion(Version currentVersion, PackageVersionClass updateLevel, CancellationToken cancellationToken)
{
var result = await new GithubUpdater(_httpClient, _jsonSerializer, TimeSpan.FromMinutes(5))
.CheckForUpdateResult("MediaBrowser", "Emby", currentVersion, PackageVersionClass.Beta, _releaseAssetFilename, "MBServer", "Mbserver.zip",
cancellationToken).ConfigureAwait(false);
if (result != null && result.IsUpdateAvailable)
{
_config.Configuration.SystemUpdateLevel = updateLevel;
_config.SaveConfiguration();
return;
}
// Go down a level
if (updateLevel == PackageVersionClass.Release)
{
updateLevel = PackageVersionClass.Beta;
}
else if (updateLevel == PackageVersionClass.Beta)
{
updateLevel = PackageVersionClass.Dev;
}
else
{
return;
}
await CheckVersion(currentVersion, updateLevel, cancellationToken).ConfigureAwait(false);
}
}
}
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