New: Backend changes for new UI

src/Radarr.Http/Frontend/Mappers/BackupFileMapper.cs

@@ -0,0 +1,32 @@
+using System.IO;
+using NLog;
+using NzbDrone.Common.Disk;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Backup;
+
+namespace Radarr.Http.Frontend.Mappers
+{
+    public class BackupFileMapper : StaticResourceMapperBase
+    {
+        private readonly IBackupService _backupService;
+        private readonly IAppFolderInfo _appFolderInfo;
+
+        public BackupFileMapper(IBackupService backupService, IDiskProvider diskProvider, Logger logger)
+            : base(diskProvider, logger)
+        {
+            _backupService = backupService;
+        }
+
+        public override string Map(string resourceUrl)
+        {
+            var path = resourceUrl.Replace("/backup/", "").Replace('/', Path.DirectorySeparatorChar);
+
+            return Path.Combine(_backupService.GetBackupFolder(), path);
+        }
+
+        public override bool CanHandle(string resourceUrl)
+        {
+            return resourceUrl.StartsWith("/backup/") && BackupService.BackupFileRegex.IsMatch(resourceUrl);
+        }
+    }
+}