Show User Agent in System->Tasks for externally triggered commands (#1047)

* Show User Agent in System->Tasks for externally triggered commands

(cherry picked from commit fe8f319f7bfdadb7218b6313ada6cae1d2a35ad8)

* Fix ESLint

(cherry picked from commit c3837c9f7b50534e3eafe1d9fbaf360fee4588b7)

* fixup

Co-authored-by: Taloth Saldono <Taloth@users.noreply.github.com>
Co-authored-by: Mark McDowall <mark@mcdowall.ca>

src/Readarr.Api.V1/Commands/CommandController.cs

@@ -63,6 +63,7 @@ namespace Readarr.Api.V1.Commands
             command.Trigger = CommandTrigger.Manual;
             command.SuppressMessages = !command.SendUpdatesToClient;
             command.SendUpdatesToClient = true;
+            command.ClientUserAgent = Request.Headers["User-Agent"];
 
             var trackedCommand = _commandQueueManager.Push(command, CommandPriority.Normal, CommandTrigger.Manual);
             return Created(trackedCommand.Id);

src/Readarr.Api.V1/Commands/CommandResource.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text.Json.Serialization;
 using NzbDrone.Common.Extensions;
+using NzbDrone.Common.Http;
 using NzbDrone.Core.Messaging.Commands;
 using Readarr.Http.REST;
 
@@ -23,6 +24,8 @@ namespace Readarr.Api.V1.Commands
         public string Exception { get; set; }
         public CommandTrigger Trigger { get; set; }
 
+        public string ClientUserAgent { get; set; }
+
         [JsonIgnore]
         public string CompletionMessage { get; set; }
 
@@ -106,6 +109,8 @@ namespace Readarr.Api.V1.Commands
                 Exception = model.Exception,
                 Trigger = model.Trigger,
 
+                ClientUserAgent = UserAgentParser.SimplifyUserAgent(model.Body.ClientUserAgent),
+
                 CompletionMessage = model.Body.CompletionMessage,
                 LastExecutionTime = model.Body.LastExecutionTime
             };