From 5f03fb0ef7d25ea36f75feea7577d47a164950c5 Mon Sep 17 00:00:00 2001
From: cvium <clausvium@gmail.com>
Date: Fri, 31 Jul 2020 10:13:54 +0200
Subject: [PATCH] Use factory pattern to instantiate jellyfindb context to
 avoid disposed contexts piling up in DI container

---
 .../JellyfinDbProvider.cs                          | 14 +++++++++++---
 Jellyfin.Server/CoreAppHost.cs                     | 11 ++++++-----
 2 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/Jellyfin.Server.Implementations/JellyfinDbProvider.cs b/Jellyfin.Server.Implementations/JellyfinDbProvider.cs
index 8f5c19900..486be6053 100644
--- a/Jellyfin.Server.Implementations/JellyfinDbProvider.cs
+++ b/Jellyfin.Server.Implementations/JellyfinDbProvider.cs
@@ -1,4 +1,6 @@
 using System;
+using System.IO;
+using MediaBrowser.Common.Configuration;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -10,15 +12,20 @@ namespace Jellyfin.Server.Implementations
     public class JellyfinDbProvider
     {
         private readonly IServiceProvider _serviceProvider;
+        private readonly IApplicationPaths _appPaths;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="JellyfinDbProvider"/> class.
         /// </summary>
         /// <param name="serviceProvider">The application's service provider.</param>
-        public JellyfinDbProvider(IServiceProvider serviceProvider)
+        /// <param name="appPaths">The application paths.</param>
+        public JellyfinDbProvider(IServiceProvider serviceProvider, IApplicationPaths appPaths)
         {
             _serviceProvider = serviceProvider;
-            serviceProvider.GetRequiredService<JellyfinDb>().Database.Migrate();
+            _appPaths = appPaths;
+
+            using var jellyfinDb = CreateContext();
+            jellyfinDb.Database.Migrate();
         }
 
         /// <summary>
@@ -27,7 +34,8 @@ namespace Jellyfin.Server.Implementations
         /// <returns>The newly created context.</returns>
         public JellyfinDb CreateContext()
         {
-            return _serviceProvider.GetRequiredService<JellyfinDb>();
+            var contextOptions = new DbContextOptionsBuilder<JellyfinDb>().UseSqlite($"Filename={Path.Combine(_appPaths.DataPath, "jellyfin.db")}");
+            return ActivatorUtilities.CreateInstance<JellyfinDb>(_serviceProvider, contextOptions.Options);
         }
     }
 }
diff --git a/Jellyfin.Server/CoreAppHost.cs b/Jellyfin.Server/CoreAppHost.cs
index 71b0fd8f3..7db3db36b 100644
--- a/Jellyfin.Server/CoreAppHost.cs
+++ b/Jellyfin.Server/CoreAppHost.cs
@@ -64,11 +64,12 @@ namespace Jellyfin.Server
                 Logger.LogWarning($"Skia not available. Will fallback to {nameof(NullImageEncoder)}.");
             }
 
-            // TODO: Set up scoping and use AddDbContextPool
-            serviceCollection.AddDbContext<JellyfinDb>(
-                options => options
-                    .UseSqlite($"Filename={Path.Combine(ApplicationPaths.DataPath, "jellyfin.db")}"),
-                ServiceLifetime.Transient);
+            // TODO: Set up scoping and use AddDbContextPool,
+            // can't register as Transient since tracking transient in GC is funky
+            // serviceCollection.AddDbContext<JellyfinDb>(
+            //     options => options
+            //         .UseSqlite($"Filename={Path.Combine(ApplicationPaths.DataPath, "jellyfin.db")}"),
+            //     ServiceLifetime.Transient);
 
             serviceCollection.AddSingleton<JellyfinDbProvider>();