Log file changes

New: Update log files are available in the UI
Fixed: UI error after clearing log files

src/NzbDrone.Api/Logs/UpdateLogFileModule.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using NzbDrone.Common;
+using NzbDrone.Common.Disk;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Configuration;
+
+namespace NzbDrone.Api.Logs
+{
+    public class UpdateLogFileModule : LogFileModuleBase
+    {
+        private readonly IAppFolderInfo _appFolderInfo;
+        private readonly IDiskProvider _diskProvider;
+
+        public UpdateLogFileModule(IAppFolderInfo appFolderInfo,
+                                   IDiskProvider diskProvider,
+                                   IConfigFileProvider configFileProvider)
+            : base(diskProvider, configFileProvider, "/update")
+        {
+            _appFolderInfo = appFolderInfo;
+            _diskProvider = diskProvider;
+        }
+
+        protected override IEnumerable<String> GetLogFiles()
+        {
+            return _diskProvider.GetFiles(_appFolderInfo.GetUpdateLogFolder(), SearchOption.TopDirectoryOnly)
+                                     .Where(f => Regex.IsMatch(Path.GetFileName(f), LOGFILE_ROUTE.TrimStart('/'), RegexOptions.IgnoreCase))
+                                     .ToList();
+        }
+
+        protected override String GetLogFilePath(String filename)
+        {
+            return Path.Combine(_appFolderInfo.GetUpdateLogFolder(), filename);
+        }
+
+        protected override String DownloadUrlRoot
+        {
+            get
+            {
+                return "updatelogfile";
+            }
+        }
+    }
+}