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66 lines
2.3 KiB
C#
66 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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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 NzbDrone.Common;
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using NzbDrone.Common.EnvironmentInfo;
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using NzbDrone.Core.Configuration;
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namespace NzbDrone.Core.Update
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{
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public interface IUpdatePackageProvider
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{
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IEnumerable<UpdatePackage> GetAvailablePackages();
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UpdatePackage GetLatestUpdate();
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}
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public class UpdatePackageProvider : IUpdatePackageProvider
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{
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private readonly IConfigFileProvider _configService;
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private readonly IHttpProvider _httpProvider;
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private readonly Logger _logger;
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private static readonly Regex ParseRegex = new Regex(@"(?:\>)(?<filename>NzbDrone.+?(?<version>(?<=\.)\d+\.\d+\.\d+\.\d+).+?)(?:\<\/a\>)",
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RegexOptions.IgnoreCase);
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public UpdatePackageProvider(IConfigFileProvider configService, IHttpProvider httpProvider, Logger logger)
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{
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_configService = configService;
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_httpProvider = httpProvider;
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_logger = logger;
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}
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public IEnumerable<UpdatePackage> GetAvailablePackages()
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{
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var updateList = new List<UpdatePackage>();
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var branch = _configService.Branch;
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var version = BuildInfo.Version;
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var updateUrl = String.Format("http://update.nzbdrone.com/v{0}/{1}/", version.Major, branch);
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_logger.Debug("Getting a list of updates from {0}", updateUrl);
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var rawUpdateList = _httpProvider.DownloadString(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 = 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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_logger.Debug("Found {0} update packages", updateUrl.Length);
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return updateList;
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}
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public UpdatePackage GetLatestUpdate()
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{
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return GetAvailablePackages().OrderByDescending(c => c.Version).FirstOrDefault();
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}
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}
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} |