Fixed: Processing very long ETA from Transmission

Closes #5444

src/NzbDrone.Core.Test/Download/DownloadClientTests/TransmissionTests/TransmissionFixture.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentAssertions;
@@ -275,7 +276,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.TransmissionTests
 
         [TestCase(-1)] // Infinite/Unknown
         [TestCase(-2)] // Magnet Downloading
-        public void should_ignore_negative_eta(int eta)
+        public void should_ignore_negative_eta(long eta)
         {
             _completed.Eta = eta;
 
@@ -284,6 +285,26 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.TransmissionTests
             item.RemainingTime.Should().NotHaveValue();
         }
 
+        [TestCase(2147483648)] // 2038-01-19T03:14:08Z > int.MaxValue as unix timestamp can be either an int or a long
+        public void should_support_long_values_for_eta_in_seconds(long eta)
+        {
+            _downloading.Eta = eta;
+
+            PrepareClientToReturnDownloadingItem();
+            var item = Subject.GetItems().Single();
+            item.RemainingTime.Should().Be(TimeSpan.FromSeconds(eta));
+        }
+
+        [TestCase(2147483648000)] // works with milliseconds format too
+        public void should_support_long_values_for_eta_in_milliseconds(long eta)
+        {
+            _downloading.Eta = eta;
+
+            PrepareClientToReturnDownloadingItem();
+            var item = Subject.GetItems().Single();
+            item.RemainingTime.Should().Be(TimeSpan.FromMilliseconds(eta));
+        }
+
         [Test]
         public void should_not_be_removable_and_should_not_allow_move_files_if_max_ratio_reached_and_not_stopped()
         {

src/NzbDrone.Core.Test/Download/DownloadClientTests/VuzeTests/VuzeFixture.cs

@@ -271,7 +271,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.VuzeTests
 
         [TestCase(-1)] // Infinite/Unknown
         [TestCase(-2)] // Magnet Downloading
-        public void should_ignore_negative_eta(int eta)
+        public void should_ignore_negative_eta(long eta)
         {
             _completed.Eta = eta;
 

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionBase.cs

@@ -80,7 +80,14 @@ namespace NzbDrone.Core.Download.Clients.Transmission
 
                 if (torrent.Eta >= 0)
                 {
-                    item.RemainingTime = TimeSpan.FromSeconds(torrent.Eta);
+                    try
+                    {
+                        item.RemainingTime = TimeSpan.FromSeconds(torrent.Eta);
+                    }
+                    catch (OverflowException)
+                    {
+                        item.RemainingTime = TimeSpan.FromMilliseconds(torrent.Eta);
+                    }
                 }
 
                 if (!torrent.ErrorString.IsNullOrWhiteSpace())

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionTorrent.cs

@@ -9,7 +9,7 @@
         public long TotalSize { get; set; }
         public long LeftUntilDone { get; set; }
         public bool IsFinished { get; set; }
-        public int Eta { get; set; }
+        public long Eta { get; set; }
         public TransmissionTorrentStatus Status { get; set; }
         public int SecondsDownloading { get; set; }
         public int SecondsSeeding { get; set; }