Fixed: Don't attempt to fetch a release if the download client is disabled

src/NzbDrone.Core.Test/Download/DownloadServiceFixture.cs

@@ -22,6 +22,7 @@ namespace NzbDrone.Core.Test.Download
     {
         private RemoteEpisode _parseResult;
         private List<IDownloadClient> _downloadClients;
+
         [SetUp]
         public void Setup()
         {
@@ -180,7 +181,7 @@ namespace NzbDrone.Core.Test.Download
         }
 
         [Test]
-        public void should_not_attempt_download_if_client_isnt_configure()
+        public void should_not_attempt_download_if_client_isnt_configured()
         {
             Assert.Throws<DownloadClientUnavailableException>(() => Subject.DownloadReport(_parseResult));
 
@@ -188,6 +189,21 @@ namespace NzbDrone.Core.Test.Download
             VerifyEventNotPublished<EpisodeGrabbedEvent>();
         }
 
+        [Test]
+        public void should_not_attempt_download_if_client_is_disabled()
+        {
+            WithUsenetClient();
+
+            Mocker.GetMock<IDownloadClientStatusService>()
+                  .Setup(v => v.IsDisabled(It.IsAny<int>()))
+                  .Returns(true);
+
+            Assert.Throws<DownloadClientUnavailableException>(() => Subject.DownloadReport(_parseResult));
+
+            Mocker.GetMock<IDownloadClient>().Verify(c => c.Download(It.IsAny<RemoteEpisode>()), Times.Never());
+            VerifyEventNotPublished<EpisodeGrabbedEvent>();
+        }
+
         [Test]
         public void should_send_download_to_correct_usenet_client()
         {

src/NzbDrone.Core/Download/DownloadService.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using NLog;
 using NzbDrone.Common.EnsureThat;
 using NzbDrone.Common.Extensions;
@@ -56,6 +56,11 @@ namespace NzbDrone.Core.Download
                 throw new DownloadClientUnavailableException($"{remoteEpisode.Release.DownloadProtocol} Download client isn't configured yet");
             }
 
+            if (_downloadClientStatusService.IsDisabled(downloadClient.Definition.Id))
+            {
+                throw new DownloadClientUnavailableException($"{downloadClient.Name} is disabled due to recent failues");
+            }
+
             // Limit grabs to 2 per second.
             if (remoteEpisode.Release.DownloadUrl.IsNotNullOrWhiteSpace() && !remoteEpisode.Release.DownloadUrl.StartsWith("magnet:"))
             {

src/NzbDrone.Core/ThingiProvider/Status/ProviderStatusServiceBase.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using NLog;
@@ -10,6 +10,7 @@ namespace NzbDrone.Core.ThingiProvider.Status
     public interface IProviderStatusServiceBase<TModel>
         where TModel : ProviderStatusBase, new()
     {
+        bool IsDisabled(int providerId);
         List<TModel> GetBlockedProviders();
         void RecordSuccess(int providerId);
         void RecordFailure(int providerId, TimeSpan minimumBackOff = default(TimeSpan));
@@ -36,6 +37,11 @@ namespace NzbDrone.Core.ThingiProvider.Status
             _logger = logger;
         }
 
+        public bool IsDisabled(int providerId)
+        {
+            return GetProviderStatus(providerId).IsDisabled();
+        }
+
         public virtual List<TModel> GetBlockedProviders()
         {
             return _providerStatusRepository.All().Where(v => v.IsDisabled()).ToList();