116 lines
4.5 KiB
C#
116 lines
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using NLog;
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using Ninject;
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using NzbDrone.Common;
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using NzbDrone.Core.Model;
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using NzbDrone.Core.Providers.Core;
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namespace NzbDrone.Core.Providers
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{
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public class UpdateProvider
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{
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private readonly HttpProvider _httpProvider;
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private readonly ConfigProvider _configProvider;
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private readonly ConfigFileProvider _configFileProvider;
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private readonly EnviromentProvider _enviromentProvider;
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private readonly ArchiveProvider _archiveProvider;
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private readonly ProcessProvider _processProvider;
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private readonly DiskProvider _diskProvider;
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private static readonly Logger logger = LogManager.GetCurrentClassLogger();
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private static readonly Regex parseRegex = new Regex(@"(?:\>)(?<filename>NzbDrone.+?(?<version>\d+\.\d+\.\d+\.\d+).+?)(?:\<\/A\>)", RegexOptions.IgnoreCase);
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[Inject]
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public UpdateProvider(HttpProvider httpProvider, ConfigProvider configProvider, ConfigFileProvider configFileProvider,
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EnviromentProvider enviromentProvider, ArchiveProvider archiveProvider, ProcessProvider processProvider, DiskProvider diskProvider)
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{
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_httpProvider = httpProvider;
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_configProvider = configProvider;
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_configFileProvider = configFileProvider;
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_enviromentProvider = enviromentProvider;
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_archiveProvider = archiveProvider;
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_processProvider = processProvider;
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_diskProvider = diskProvider;
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}
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public UpdateProvider()
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{
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}
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private List<UpdatePackage> GetAvailablePackages()
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{
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var updateList = new List<UpdatePackage>();
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var rawUpdateList = _httpProvider.DownloadString(_configProvider.UpdateUrl);
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var matches = parseRegex.Matches(rawUpdateList);
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foreach (Match match in matches)
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{
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var updatePackage = new UpdatePackage();
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updatePackage.FileName = match.Groups["filename"].Value;
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updatePackage.Url = _configProvider.UpdateUrl + updatePackage.FileName;
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updatePackage.Version = new Version(match.Groups["version"].Value);
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updateList.Add(updatePackage);
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}
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return updateList;
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}
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public virtual UpdatePackage GetAvilableUpdate()
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{
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var latestAvailable = GetAvailablePackages().OrderByDescending(c => c.Version).FirstOrDefault();
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if (latestAvailable != null && latestAvailable.Version > _enviromentProvider.Version)
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{
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logger.Debug("An update is available ({0}) => ({1})", _enviromentProvider.Version, latestAvailable.Version);
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return latestAvailable;
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}
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logger.Trace("No updates available");
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return null;
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}
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public virtual void StartUpdate(UpdatePackage updatePackage)
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{
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var packageDestination = Path.Combine(_enviromentProvider.GetUpdateSandboxFolder(), updatePackage.FileName);
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if (_diskProvider.FolderExists(_enviromentProvider.GetUpdateSandboxFolder()))
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{
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logger.Info("Deleting old update files");
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_diskProvider.DeleteFolder(_enviromentProvider.GetUpdateSandboxFolder(), true);
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}
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logger.Info("Downloading update package from [{0}] to [{1}]", updatePackage.Url, packageDestination);
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_httpProvider.DownloadFile(updatePackage.Url, packageDestination);
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logger.Info("Download completed for update package from [{0}]", updatePackage.FileName);
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logger.Info("Extracting Update package");
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_archiveProvider.ExtractArchive(packageDestination, _enviromentProvider.GetUpdateSandboxFolder());
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logger.Info("Update package extracted successfully");
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logger.Info("Preparing client");
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_diskProvider.CopyDirectory(_enviromentProvider.GetUpdateClientFolder(), _enviromentProvider.GetUpdateSandboxFolder());
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logger.Info("Starting update client");
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var startInfo = new ProcessStartInfo()
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{
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FileName = _enviromentProvider.GetUpdateClientExePath(),
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Arguments = string.Format("{0} {1}", _enviromentProvider.NzbDroneProcessIdFromEnviroment, _configFileProvider.Guid)
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};
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_processProvider.Start(startInfo);
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}
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}
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}
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