New: Add qBittorrent option for Content Layout

(cherry picked from commit 4b22200708ca120cfdcf9cb796be92183adb95d1)

Closes #4385

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

@@ -0,0 +1,9 @@
+namespace NzbDrone.Core.Download.Clients.QBittorrent
+{
+    public enum QBittorrentContentLayout
+    {
+        Default = 0,
+        Original = 1,
+        Subfolder = 2
+    }
+}

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

@@ -265,6 +265,15 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
             {
                 request.AddFormParameter("firstLastPiecePrio", true);
             }
+
+            if ((QBittorrentContentLayout)settings.ContentLayout == QBittorrentContentLayout.Original)
+            {
+                request.AddFormParameter("contentLayout", "Original");
+            }
+            else if ((QBittorrentContentLayout)settings.ContentLayout == QBittorrentContentLayout.Subfolder)
+            {
+                request.AddFormParameter("contentLayout", "Subfolder");
+            }
         }
 
         public void SetTorrentSeedingConfiguration(string hash, TorrentSeedConfiguration seedConfiguration, QBittorrentSettings settings)

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

@@ -69,6 +69,9 @@ namespace NzbDrone.Core.Download.Clients.QBittorrent
         [FieldDefinition(12, Label = "First and Last First", Type = FieldType.Checkbox, HelpText = "Download first and last pieces first (qBittorrent 4.1.0+)")]
         public bool FirstAndLast { get; set; }
 
+        [FieldDefinition(13, Label = "DownloadClientQbittorrentSettingsContentLayout", Type = FieldType.Select, SelectOptions = typeof(QBittorrentContentLayout), HelpText = "DownloadClientQbittorrentSettingsContentLayoutHelpText")]
+        public int ContentLayout { get; set; }
+
         public NzbDroneValidationResult Validate()
         {
             return new NzbDroneValidationResult(Validator.Validate(this));

src/NzbDrone.Core/Localization/Core/en.json

@@ -336,6 +336,8 @@
   "DownloadClientCheckDownloadingToRoot": "Download client {0} places downloads in the root folder {1}. You should not download to a root folder.",
   "DownloadClientCheckNoneAvailableMessage": "No download client is available",
   "DownloadClientCheckUnableToCommunicateMessage": "Unable to communicate with {0}.",
+  "DownloadClientQbittorrentSettingsContentLayout": "Content Layout",
+  "DownloadClientQbittorrentSettingsContentLayoutHelpText": "Whether to use qBittorrent's configured content layout, the original layout from the torrent or always create a subfolder (qBittorrent 4.3.2+)",
   "DownloadClientRemovesCompletedDownloadsHealthCheckMessage": "Download client {0} is set to remove completed downloads. This can result in downloads being removed from your client before {1} can import them.",
   "DownloadClientSettings": "Download Client Settings",
   "DownloadClientSortingCheckMessage": "Download client {0} has {1} sorting enabled for {appName}'s category. You should disable sorting in your download client to avoid import issues.",