New: Option to Hardlink or Copy instead of move for Torrent Blackhole

Closes #1011

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

@@ -103,6 +103,8 @@ namespace NzbDrone.Core.Download.Clients.TorrentBlackhole
                     historyItem.RemainingTime = TimeSpan.Zero;
                 }
 
+                historyItem.IsReadOnly = Settings.ReadOnly;
+
                 yield return historyItem;
             }
 
@@ -132,6 +134,8 @@ namespace NzbDrone.Core.Download.Clients.TorrentBlackhole
                     historyItem.RemainingTime = TimeSpan.Zero;
                 }
 
+                historyItem.IsReadOnly = Settings.ReadOnly;
+
                 yield return historyItem;
             }
         }

src/NzbDrone.Core/Download/Clients/TorrentBlackhole/TorrentBlackholeSettings.cs

@@ -1,5 +1,6 @@
-using FluentValidation;
+using System.ComponentModel;
-using System;
+using FluentValidation;
+using Newtonsoft.Json;
 using NzbDrone.Core.Annotations;
 using NzbDrone.Core.ThingiProvider;
 using NzbDrone.Core.Validation;
@@ -18,6 +19,11 @@ namespace NzbDrone.Core.Download.Clients.TorrentBlackhole
 
     public class TorrentBlackholeSettings : IProviderConfig
     {
+        public TorrentBlackholeSettings()
+        {
+            ReadOnly = true;
+        }
+
         private static readonly TorrentBlackholeSettingsValidator Validator = new TorrentBlackholeSettingsValidator();
 
         [FieldDefinition(0, Label = "Torrent Folder", Type = FieldType.Path, HelpText = "Folder in which Sonarr will store the .torrent file")]
@@ -26,6 +32,11 @@ namespace NzbDrone.Core.Download.Clients.TorrentBlackhole
         [FieldDefinition(1, Label = "Watch Folder", Type = FieldType.Path, HelpText = "Folder from which Sonarr should import completed downloads")]
         public string WatchFolder { get; set; }
 
+        [DefaultValue(false)]
+        [JsonProperty(DefaultValueHandling = DefaultValueHandling.Populate)]
+        [FieldDefinition(2, Label = "Read Only", Type = FieldType.Checkbox, HelpText = "Instead of moving files this will instruct Sonarr to Copy or Hardlink (depending on settings/system configuration)")]
+        public bool ReadOnly { get; set; }
+
         public NzbDroneValidationResult Validate()
         {
             return new NzbDroneValidationResult(Validator.Validate(this));