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Sonarr/NzbDrone.Core/Providers/UpdateProvider.cs
2011-11-21 22:55:09 -08:00

96 lines
3.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using NLog;
using Ninject;
using NzbDrone.Common;
using NzbDrone.Core.Model;
using NzbDrone.Core.Providers.Core;
namespace NzbDrone.Core.Providers
{
public class UpdateProvider
{
private readonly HttpProvider _httpProvider;
private readonly ConfigProvider _configProvider;
private readonly EnviromentProvider _enviromentProvider;
private readonly DiskProvider _diskProvider;
private static readonly Logger logger = LogManager.GetCurrentClassLogger();
private static readonly Regex parseRegex = new Regex(@"(?:\>)(?<filename>NzbDrone.+?(?<version>\d+\.\d+\.\d+\.\d+).+?)(?:\<\/A\>)", RegexOptions.IgnoreCase);
[Inject]
public UpdateProvider(HttpProvider httpProvider, ConfigProvider configProvider,
EnviromentProvider enviromentProvider, DiskProvider diskProvider)
{
_httpProvider = httpProvider;
_configProvider = configProvider;
_enviromentProvider = enviromentProvider;
_diskProvider = diskProvider;
}
public UpdateProvider()
{
}
private List<UpdatePackage> GetAvailablePackages()
{
var updateList = new List<UpdatePackage>();
var rawUpdateList = _httpProvider.DownloadString(_configProvider.UpdateUrl);
var matches = parseRegex.Matches(rawUpdateList);
foreach (Match match in matches)
{
var updatePackage = new UpdatePackage();
updatePackage.FileName = match.Groups["filename"].Value;
updatePackage.Url = _configProvider.UpdateUrl + updatePackage.FileName;
updatePackage.Version = new Version(match.Groups["version"].Value);
updateList.Add(updatePackage);
}
return updateList;
}
public virtual UpdatePackage GetAvilableUpdate()
{
var latestAvailable = GetAvailablePackages().OrderByDescending(c => c.Version).FirstOrDefault();
if (latestAvailable != null && latestAvailable.Version > _enviromentProvider.Version)
{
logger.Debug("An update is available ({0}) => ({1})", _enviromentProvider.Version, latestAvailable.Version);
return latestAvailable;
}
logger.Trace("No updates available");
return null;
}
public virtual Dictionary<DateTime, string> UpdateLogFile()
{
var list = new Dictionary<DateTime, string>();
CultureInfo provider = CultureInfo.InvariantCulture;
if (_diskProvider.FolderExists(_enviromentProvider.GetUpdateLogFolder()))
{
var files = _diskProvider.GetFiles(_enviromentProvider.GetUpdateLogFolder(), SearchOption.TopDirectoryOnly).ToList();
foreach (var file in files.Select(c => new FileInfo(c)).OrderByDescending(c=>c.Name))
{
list.Add(DateTime.ParseExact(file.Name.Replace(file.Extension, string.Empty), "yyyy.MM.dd-H-mm", provider), file.FullName);
}
}
return list;
}
}
}