add emby media source (#201)

* properly scope jellyfin disconnect

* add emby entities

* add emby media source page

* add emby media source editor

* sync emby libraries

* enable emby library sync toggle

* add emby path replacements editor

* add emby movie synchronization

* fix emby artwork

* sync emby television

* code cleanup

* add jellyfin/emby address placeholder

* tweak jellyfin/emby address form

ErsatzTV.Infrastructure/Jellyfin/IJellyfinApi.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Infrastructure.Jellyfin.Models;
 using Refit;
@@ -11,7 +12,8 @@ namespace ErsatzTV.Infrastructure.Jellyfin
         [Get("/System/Info")]
         public Task<JellyfinSystemInformationResponse> GetSystemInformation(
             [Header("X-Emby-Token")]
-            string apiKey);
+            string apiKey,
+            CancellationToken cancellationToken);
 
         [Get("/Users")]
         public Task<List<JellyfinUserResponse>> GetUsers(

ErsatzTV.Infrastructure/Jellyfin/JellyfinApiClient.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
@@ -39,9 +40,16 @@ namespace ErsatzTV.Infrastructure.Jellyfin
             try
             {
                 IJellyfinApi service = RestService.For<IJellyfinApi>(address);
-                return await service.GetSystemInformation(apiKey)
+                var cts = new CancellationTokenSource();
+                cts.CancelAfter(TimeSpan.FromSeconds(5));
+                return await service.GetSystemInformation(apiKey, cts.Token)
                     .Map(response => new JellyfinServerInformation(response.ServerName, response.OperatingSystem));
             }
+            catch (OperationCanceledException ex)
+            {
+                _logger.LogError(ex, "Timeout getting jellyfin server name");
+                return BaseError.New("Jellyfin did not respond in time");
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error getting jellyfin server name");