Fixed: Normalize unicode characters when comparing paths for equality

(cherry picked from commit ceeec091f85d0094e07537b7f62f18292655a710)

azure-pipelines.yml

@@ -9,7 +9,7 @@ variables:
   testsFolder: './_tests'
   yarnCacheFolder: $(Pipeline.Workspace)/.yarn
   nugetCacheFolder: $(Pipeline.Workspace)/.nuget/packages
-  majorVersion: '0.4.5'
+  majorVersion: '0.4.4'
   minorVersion: $[counter('minorVersion', 1)]
   readarrVersion: '$(majorVersion).$(minorVersion)'
   buildName: '$(Build.SourceBranchName).$(readarrVersion)'
@@ -1211,7 +1211,7 @@ stages:
       - task: SonarCloudAnalyze@2
         condition: eq(variables['System.PullRequest.IsFork'], 'False')
         displayName: Publish SonarCloud Results
-      - task: reportgenerator@5.3.11
+      - task: reportgenerator@5
         displayName: Generate Coverage Report
         inputs:
           reports: '$(Build.SourcesDirectory)/CoverageResults/**/coverage.opencover.xml'

frontend/build/webpack.config.js

@@ -26,7 +26,6 @@ module.exports = (env) => {
   const config = {
     mode: isProduction ? 'production' : 'development',
     devtool: isProduction ? 'source-map' : 'eval-source-map',
-    target: 'web',
 
     stats: {
       children: false

frontend/src/Author/Details/AuthorDetailsHeader.css

@@ -54,7 +54,6 @@
 }
 
 .title {
-  text-wrap: balance;
   font-weight: 300;
   font-size: 50px;
   line-height: 60px;
@@ -128,7 +127,6 @@
   flex: 1 1 auto;
   margin-top: 8px;
   min-height: 0;
-  text-wrap: balance;
   font-size: $intermediateFontSize;
 }
 

src/NzbDrone.Common.Test/PathExtensionFixture.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Text;
 using FluentAssertions;
 using Moq;
 using NUnit.Framework;
@@ -316,5 +317,14 @@ namespace NzbDrone.Common.Test
             result[2].Should().Be(@"Music");
             result[3].Should().Be(@"Author Title");
         }
+
+        [Test]
+        public void should_be_equal_with_different_unicode_representations()
+        {
+            var path1 = @"C:\Test\file.mkv".AsOsAgnostic().Normalize(NormalizationForm.FormC);
+            var path2 = @"C:\Test\file.mkv".AsOsAgnostic().Normalize(NormalizationForm.FormD);
+
+            path1.PathEquals(path2);
+        }
     }
 }

src/NzbDrone.Common/Extensions/PathExtensions.cs

@@ -60,6 +60,10 @@ namespace NzbDrone.Common.Extensions
 
         public static bool PathEquals(this string firstPath, string secondPath, StringComparison? comparison = null)
         {
+            // Normalize paths to ensure unicode characters are represented the same way
+            firstPath = firstPath.Normalize();
+            secondPath = secondPath?.Normalize();
+
             if (!comparison.HasValue)
             {
                 comparison = DiskProviderBase.PathStringComparison;

src/NzbDrone.Common/PathEqualityComparer.cs

@@ -21,10 +21,10 @@ namespace NzbDrone.Common
         {
             if (OsInfo.IsWindows)
             {
-                return obj.CleanFilePath().ToLower().GetHashCode();
+                return obj.CleanFilePath().Normalize().ToLower().GetHashCode();
             }
 
-            return obj.CleanFilePath().GetHashCode();
+            return obj.CleanFilePath().Normalize().GetHashCode();
         }
     }
 }

src/NzbDrone.Core.Test/Download/DownloadClientTests/QBittorrentTests/QBittorrentFixture.cs

@@ -178,9 +178,8 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             VerifyWarning(item);
         }
 
-        [TestCase("pausedDL")]
+        [Test]
-        [TestCase("stoppedDL")]
+        public void paused_item_should_have_required_properties()
-        public void paused_item_should_have_required_properties(string state)
         {
             var torrent = new QBittorrentTorrent
             {
@@ -189,7 +188,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
                 Size = 1000,
                 Progress = 0.7,
                 Eta = 8640000,
-                State = state,
+                State = "pausedDL",
                 Label = "",
                 SavePath = ""
             };
@@ -201,7 +200,6 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
         }
 
         [TestCase("pausedUP")]
-        [TestCase("stoppedUP")]
         [TestCase("queuedUP")]
         [TestCase("uploading")]
         [TestCase("stalledUP")]
@@ -399,9 +397,8 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             result.OutputPath.FullPath.Should().Be(Path.Combine(torrent.SavePath, "Droned.S01.12"));
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void api_261_should_use_content_path()
-        public void api_261_should_use_content_path(string state)
         {
             var torrent = new QBittorrentTorrent
             {
@@ -410,7 +407,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
                 Size = 1000,
                 Progress = 0.7,
                 Eta = 8640000,
-                State = state,
+                State = "pausedUP",
                 Label = "",
                 SavePath = @"C:\Torrents".AsOsAgnostic(),
                 ContentPath = @"C:\Torrents\Droned.S01.12".AsOsAgnostic()
@@ -687,48 +684,44 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             item.CanMoveFiles.Should().BeFalse();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_not_be_removable_and_should_not_allow_move_files_if_max_ratio_is_not_set()
-        public void should_not_be_removable_and_should_not_allow_move_files_if_max_ratio_is_not_set(string state)
         {
             GivenGlobalSeedLimits(-1);
-            GivenCompletedTorrent(state, ratio: 1.0f);
+            GivenCompletedTorrent("pausedUP", ratio: 1.0f);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeFalse();
             item.CanMoveFiles.Should().BeFalse();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_max_ratio_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_max_ratio_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(1.0f);
-            GivenCompletedTorrent(state, ratio: 1.0f);
+            GivenCompletedTorrent("pausedUP", ratio: 1.0f);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_overridden_max_ratio_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_overridden_max_ratio_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(2.0f);
-            GivenCompletedTorrent(state, ratio: 1.0f, ratioLimit: 0.8f);
+            GivenCompletedTorrent("pausedUP", ratio: 1.0f, ratioLimit: 0.8f);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_not_be_removable_if_overridden_max_ratio_not_reached_and_paused()
-        public void should_not_be_removable_if_overridden_max_ratio_not_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(0.2f);
-            GivenCompletedTorrent(state, ratio: 0.5f, ratioLimit: 0.8f);
+            GivenCompletedTorrent("pausedUP", ratio: 0.5f, ratioLimit: 0.8f);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeFalse();
@@ -746,36 +739,33 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             item.CanMoveFiles.Should().BeFalse();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_max_seedingtime_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_max_seedingtime_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, 20);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 20);
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 20);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_overridden_max_seedingtime_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_overridden_max_seedingtime_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, 40);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 20, seedingTimeLimit: 10);
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 20, seedingTimeLimit: 10);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_not_be_removable_if_overridden_max_seedingtime_not_reached_and_paused()
-        public void should_not_be_removable_if_overridden_max_seedingtime_not_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, 20);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 30, seedingTimeLimit: 40);
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 30, seedingTimeLimit: 40);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeFalse();
@@ -793,72 +783,66 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             item.CanMoveFiles.Should().BeFalse();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_max_inactive_seedingtime_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_max_inactive_seedingtime_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, maxInactiveSeedingTime: 20);
-            GivenCompletedTorrent(state, ratio: 2.0f, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(25)).ToUnixTimeSeconds());
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(25)).ToUnixTimeSeconds());
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_overridden_max_inactive_seedingtime_reached_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_overridden_max_inactive_seedingtime_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, maxInactiveSeedingTime: 40);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 20, inactiveSeedingTimeLimit: 10, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(15)).ToUnixTimeSeconds());
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 20, inactiveSeedingTimeLimit: 10, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(15)).ToUnixTimeSeconds());
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_not_be_removable_if_overridden_max_inactive_seedingtime_not_reached_and_paused()
-        public void should_not_be_removable_if_overridden_max_inactive_seedingtime_not_reached_and_paused(string state)
         {
             GivenGlobalSeedLimits(-1, maxInactiveSeedingTime: 20);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 30, inactiveSeedingTimeLimit: 40, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(30)).ToUnixTimeSeconds());
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 30, inactiveSeedingTimeLimit: 40, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(30)).ToUnixTimeSeconds());
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeFalse();
             item.CanMoveFiles.Should().BeFalse();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_max_seedingtime_reached_but_ratio_not_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_max_seedingtime_reached_but_ratio_not_and_paused(string state)
         {
             GivenGlobalSeedLimits(2.0f, 20);
-            GivenCompletedTorrent(state, ratio: 1.0f, seedingTime: 30);
+            GivenCompletedTorrent("pausedUP", ratio: 1.0f, seedingTime: 30);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_be_removable_and_should_allow_move_files_if_max_inactive_seedingtime_reached_but_ratio_not_and_paused()
-        public void should_be_removable_and_should_allow_move_files_if_max_inactive_seedingtime_reached_but_ratio_not_and_paused(string state)
         {
             GivenGlobalSeedLimits(2.0f, maxInactiveSeedingTime: 20);
-            GivenCompletedTorrent(state, ratio: 1.0f, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(25)).ToUnixTimeSeconds());
+            GivenCompletedTorrent("pausedUP", ratio: 1.0f, lastActivity: DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(25)).ToUnixTimeSeconds());
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeTrue();
             item.CanMoveFiles.Should().BeTrue();
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_not_fetch_details_twice()
-        public void should_not_fetch_details_twice(string state)
         {
             GivenGlobalSeedLimits(-1, 30);
-            GivenCompletedTorrent(state, ratio: 2.0f, seedingTime: 20);
+            GivenCompletedTorrent("pausedUP", ratio: 2.0f, seedingTime: 20);
 
             var item = Subject.GetItems().Single();
             item.CanBeRemoved.Should().BeFalse();
@@ -870,9 +854,8 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
                   .Verify(p => p.GetTorrentProperties(It.IsAny<string>(), It.IsAny<QBittorrentSettings>()), Times.Once());
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_get_category_from_the_category_if_set()
-        public void should_get_category_from_the_category_if_set(string state)
         {
             const string category = "music-readarr";
             GivenGlobalSeedLimits(1.0f);
@@ -884,7 +867,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
                 Size = 1000,
                 Progress = 1.0,
                 Eta = 8640000,
-                State = state,
+                State = "pausedUP",
                 Category = category,
                 SavePath = "",
                 Ratio = 1.0f
@@ -896,9 +879,8 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
             item.Category.Should().Be(category);
         }
 
-        [TestCase("pausedUP")]
+        [Test]
-        [TestCase("stoppedUP")]
+        public void should_get_category_from_the_label_if_the_category_is_not_available()
-        public void should_get_category_from_the_label_if_the_category_is_not_available(string state)
         {
             const string category = "music-readarr";
             GivenGlobalSeedLimits(1.0f);
@@ -910,7 +892,7 @@ namespace NzbDrone.Core.Test.Download.DownloadClientTests.QBittorrentTests
                 Size = 1000,
                 Progress = 1.0,
                 Eta = 8640000,
-                State = state,
+                State = "pausedUP",
                 Label = category,
                 SavePath = "",
                 Ratio = 1.0f

src/NzbDrone.Core.Test/MetadataSource/Goodreads/GoodreadsProxySearchFixture.cs

@@ -40,7 +40,7 @@ namespace NzbDrone.Core.Test.MetadataSource.Goodreads
 
         [TestCase("Harry Potter and the sorcerer's stone a detailed summary", 72245296)]
         [TestCase("B0192CTMYG", 61209488)]
-        [TestCase("9780439554930", 3)]
+        [TestCase("9780439554930", 48517161)]
         public void successful_book_search(string title, int expected)
         {
             var result = Subject.Search(title);

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrent.cs

@@ -239,7 +239,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
 
                 // Avoid removing torrents that haven't reached the global max ratio.
                 // Removal also requires the torrent to be paused, in case a higher max ratio was set on the torrent itself (which is not exposed by the api).
-                item.CanMoveFiles = item.CanBeRemoved = torrent.State is "pausedUP" or "stoppedUP" && HasReachedSeedLimit(torrent, config);
+                item.CanMoveFiles = item.CanBeRemoved = torrent.State == "pausedUP" && HasReachedSeedLimit(torrent, config);
 
                 switch (torrent.State)
                 {
@@ -248,8 +248,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                         item.Message = "qBittorrent is reporting an error";
                         break;
 
-                    case "stoppedDL": // torrent is stopped and has NOT finished downloading
+                    case "pausedDL": // torrent is paused and has NOT finished downloading
-                    case "pausedDL": // torrent is paused and has NOT finished downloading (qBittorrent < 5)
                         item.Status = DownloadItemStatus.Paused;
                         break;
 
@@ -260,8 +259,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                         item.Status = DownloadItemStatus.Queued;
                         break;
 
-                    case "pausedUP": // torrent is paused and has finished downloading (qBittorent < 5)
+                    case "pausedUP": // torrent is paused and has finished downloading
-                    case "stoppedUP": // torrent is stopped and has finished downloading
                     case "uploading": // torrent is being seeded and data is being transferred
                     case "stalledUP": // torrent is being seeded, but no connection were made
                     case "queuedUP": // queuing is enabled and torrent is queued for upload

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrentProxySelector.cs

@@ -26,6 +26,8 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
         Dictionary<string, QBittorrentLabel> GetLabels(QBittorrentSettings settings);
         void SetTorrentSeedingConfiguration(string hash, TorrentSeedConfiguration seedConfiguration, QBittorrentSettings settings);
         void MoveTorrentToTopInQueue(string hash, QBittorrentSettings settings);
+        void PauseTorrent(string hash, QBittorrentSettings settings);
+        void ResumeTorrent(string hash, QBittorrentSettings settings);
         void SetForceStart(string hash, bool enabled, QBittorrentSettings settings);
     }
 

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrentProxyV1.cs

@@ -148,7 +148,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             {
                 request.AddFormParameter("paused", false);
             }
-            else if ((QBittorrentState)settings.InitialState == QBittorrentState.Stop)
+            else if ((QBittorrentState)settings.InitialState == QBittorrentState.Pause)
             {
                 request.AddFormParameter("paused", true);
             }
@@ -178,7 +178,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             {
                 request.AddFormParameter("paused", false);
             }
-            else if ((QBittorrentState)settings.InitialState == QBittorrentState.Stop)
+            else if ((QBittorrentState)settings.InitialState == QBittorrentState.Pause)
             {
                 request.AddFormParameter("paused", true);
             }
@@ -214,7 +214,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             catch (DownloadClientException ex)
             {
                 // if setCategory fails due to method not being found, then try older setLabel command for qBittorrent < v.3.3.5
-                if (ex.InnerException is HttpException httpException && httpException.Response.StatusCode == HttpStatusCode.NotFound)
+                if (ex.InnerException is HttpException && (ex.InnerException as HttpException).Response.StatusCode == HttpStatusCode.NotFound)
                 {
                     var setLabelRequest = BuildRequest(settings).Resource("/command/setLabel")
                                                                 .Post()
@@ -257,7 +257,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             catch (DownloadClientException ex)
             {
                 // qBittorrent rejects all Prio commands with 403: Forbidden if Options -> BitTorrent -> Torrent Queueing is not enabled
-                if (ex.InnerException is HttpException httpException && httpException.Response.StatusCode == HttpStatusCode.Forbidden)
+                if (ex.InnerException is HttpException && (ex.InnerException as HttpException).Response.StatusCode == HttpStatusCode.Forbidden)
                 {
                     return;
                 }
@@ -266,6 +266,22 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             }
         }
 
+        public void PauseTorrent(string hash, QBittorrentSettings settings)
+        {
+            var request = BuildRequest(settings).Resource("/command/pause")
+                                                .Post()
+                                                .AddFormParameter("hash", hash);
+            ProcessRequest(request, settings);
+        }
+
+        public void ResumeTorrent(string hash, QBittorrentSettings settings)
+        {
+            var request = BuildRequest(settings).Resource("/command/resume")
+                                                .Post()
+                                                .AddFormParameter("hash", hash);
+            ProcessRequest(request, settings);
+        }
+
         public void SetForceStart(string hash, bool enabled, QBittorrentSettings settings)
         {
             var request = BuildRequest(settings).Resource("/command/setForceStart")

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrentProxyV2.cs

@@ -246,20 +246,14 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
                 request.AddFormParameter("category", settings.MusicCategory);
             }
 
-            // Avoid extraneous API version check if initial state is ForceStart
+            // Note: ForceStart is handled by separate api call
-            if ((QBittorrentState)settings.InitialState is QBittorrentState.Start or QBittorrentState.Stop)
+            if ((QBittorrentState)settings.InitialState == QBittorrentState.Start)
             {
-                var stoppedParameterName = GetApiVersion(settings) >= new Version(2, 11, 0) ? "stopped" : "paused";
+                request.AddFormParameter("paused", false);
-
+            }
-                // Note: ForceStart is handled by separate api call
+            else if ((QBittorrentState)settings.InitialState == QBittorrentState.Pause)
-                if ((QBittorrentState)settings.InitialState == QBittorrentState.Start)
+            {
-                {
+                request.AddFormParameter("paused", true);
-                    request.AddFormParameter(stoppedParameterName, false);
-                }
-                else if ((QBittorrentState)settings.InitialState == QBittorrentState.Stop)
-                {
-                    request.AddFormParameter(stoppedParameterName, true);
-                }
             }
 
             if (settings.SequentialOrder)
@@ -297,7 +291,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             catch (DownloadClientException ex)
             {
                 // setShareLimits was added in api v2.0.1 so catch it case of the unlikely event that someone has api v2.0
-                if (ex.InnerException is HttpException httpException && httpException.Response.StatusCode == HttpStatusCode.NotFound)
+                if (ex.InnerException is HttpException && (ex.InnerException as HttpException).Response.StatusCode == HttpStatusCode.NotFound)
                 {
                     return;
                 }
@@ -319,7 +313,7 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             catch (DownloadClientException ex)
             {
                 // qBittorrent rejects all Prio commands with 409: Conflict if Options -> BitTorrent -> Torrent Queueing is not enabled
-                if (ex.InnerException is HttpException httpException && httpException.Response.StatusCode == HttpStatusCode.Conflict)
+                if (ex.InnerException is HttpException && (ex.InnerException as HttpException).Response.StatusCode == HttpStatusCode.Conflict)
                 {
                     return;
                 }
@@ -328,6 +322,22 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             }
         }
 
+        public void PauseTorrent(string hash, QBittorrentSettings settings)
+        {
+            var request = BuildRequest(settings).Resource("/api/v2/torrents/pause")
+                                                .Post()
+                                                .AddFormParameter("hashes", hash);
+            ProcessRequest(request, settings);
+        }
+
+        public void ResumeTorrent(string hash, QBittorrentSettings settings)
+        {
+            var request = BuildRequest(settings).Resource("/api/v2/torrents/resume")
+                                                .Post()
+                                                .AddFormParameter("hashes", hash);
+            ProcessRequest(request, settings);
+        }
+
         public void SetForceStart(string hash, bool enabled, QBittorrentSettings settings)
         {
             var request = BuildRequest(settings).Resource("/api/v2/torrents/setForceStart")

src/NzbDrone.Core/Download/Clients/QBittorrent/QBittorrentState.cs

@@ -1,16 +1,9 @@
-using NzbDrone.Core.Annotations;
-
 namespace NzbDrone.Core.Download.Clients.QBittorrent
 {
     public enum QBittorrentState
     {
-        [FieldOption(Label = "Started")]
         Start = 0,
-
-        [FieldOption(Label = "Force Started")]
         ForceStart = 1,
-
+        Pause = 2
-        [FieldOption(Label = "Stopped")]
-        Stop = 2
     }
 }