Merge pull request #1098 from MediaBrowser/dev

3.0.5607.0

10 files changed, 162 insertions, 474 deletions

diff --git a/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs b/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs
new file mode 100644
index 000000000..15d76fb60
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/Persistence/BaseSqliteRepository.cs
@@ -0,0 +1,56 @@
+using MediaBrowser.Model.Logging;
+using System;
+using System.Threading;
+
+namespace MediaBrowser.Server.Implementations.Persistence
+{
+    public abstract class BaseSqliteRepository : IDisposable
+    {
+        protected readonly SemaphoreSlim WriteLock = new SemaphoreSlim(1, 1);
+        protected ILogger Logger;
+
+        protected BaseSqliteRepository(ILogManager logManager)
+        {
+            Logger = logManager.GetLogger(GetType().Name);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        private readonly object _disposeLock = new object();
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
+        {
+            if (dispose)
+            {
+                try
+                {
+                    lock (_disposeLock)
+                    {
+                        WriteLock.Wait();
+
+                        CloseConnection();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    Logger.ErrorException("Error disposing database", ex);
+                }
+            }
+        }
+
+        protected virtual void DisposeInternal()
+        {
+
+        }
+
+        protected abstract void CloseConnection();
+    }
+}
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteChapterRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteChapterRepository.cs
index 77b993205..075ef4239 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteChapterRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteChapterRepository.cs
@@ -32,8 +32,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
             _logger = logManager.GetLogger(GetType().Name);
         }
 
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
-
         /// <summary>
         /// Opens the connection to the database
         /// </summary>
@@ -54,8 +52,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
             _connection.RunQueries(queries, _logger);
 
             PrepareStatements();
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
         }
 
         /// <summary>
@@ -286,12 +282,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 {
                     lock (_disposeLock)
                     {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
                         if (_connection != null)
                         {
                             if (_connection.IsOpen())
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
index 3dfa74727..c9ab43e63 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
@@ -16,11 +16,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
     /// <summary>
     /// Class SQLiteDisplayPreferencesRepository
     /// </summary>
-    public class SqliteDisplayPreferencesRepository : IDisplayPreferencesRepository
+    public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
     {
         private IDbConnection _connection;
 
-        private readonly ILogger _logger;
+        public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths) : base(logManager)
+        {
+            _jsonSerializer = jsonSerializer;
+            _appPaths = appPaths;
+        }
 
         /// <summary>
         /// Gets the name of the repository
@@ -44,36 +48,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
         /// </summary>
         private readonly IApplicationPaths _appPaths;
 
-        private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="SqliteDisplayPreferencesRepository" /> class.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="jsonSerializer">The json serializer.</param>
-        /// <param name="logManager">The log manager.</param>
-        /// <exception cref="System.ArgumentNullException">
-        /// jsonSerializer
-        /// or
-        /// appPaths
-        /// </exception>
-        public SqliteDisplayPreferencesRepository(IApplicationPaths appPaths, IJsonSerializer jsonSerializer, ILogManager logManager)
-        {
-            if (jsonSerializer == null)
-            {
-                throw new ArgumentNullException("jsonSerializer");
-            }
-            if (appPaths == null)
-            {
-                throw new ArgumentNullException("appPaths");
-            }
-
-            _jsonSerializer = jsonSerializer;
-            _appPaths = appPaths;
-
-            _logger = logManager.GetLogger(GetType().Name);
-        }
-
         /// <summary>
         /// Opens the connection to the database
         /// </summary>
@@ -82,7 +56,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "displaypreferences.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
+            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
 
             string[] queries = {
 
@@ -95,7 +69,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "pragma shrink_memory"
                                };
 
-            _connection.RunQueries(queries, _logger);
+            _connection.RunQueries(queries, Logger);
         }
 
         /// <summary>
@@ -122,7 +96,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             var serialized = _jsonSerializer.SerializeToBytes(displayPreferences);
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -157,7 +131,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save display preferences:", e);
+                Logger.ErrorException("Failed to save display preferences:", e);
 
                 if (transaction != null)
                 {
@@ -173,7 +147,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -194,7 +168,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -235,7 +209,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save display preferences:", e);
+                Logger.ErrorException("Failed to save display preferences:", e);
 
                 if (transaction != null)
                 {
@@ -251,7 +225,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -322,45 +296,17 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
         }
 
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
+        protected override void CloseConnection()
         {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        private readonly object _disposeLock = new object();
-
-        /// <summary>
-        /// Releases unmanaged and - optionally - managed resources.
-        /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
-        {
-            if (dispose)
+            if (_connection != null)
             {
-                try
+                if (_connection.IsOpen())
                 {
-                    lock (_disposeLock)
-                    {
-                        if (_connection != null)
-                        {
-                            if (_connection.IsOpen())
-                            {
-                                _connection.Close();
-                            }
-
-                            _connection.Dispose();
-                            _connection = null;
-                        }
-                    }
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error disposing database", ex);
+                    _connection.Close();
                 }
+
+                _connection.Dispose();
+                _connection = null;
             }
         }
     }
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
index 5d5855bf8..2d5aad04d 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteFileOrganizationRepository.cs
@@ -14,14 +14,10 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Persistence
 {
-    public class SqliteFileOrganizationRepository : IFileOrganizationRepository, IDisposable
+    public class SqliteFileOrganizationRepository : BaseSqliteRepository, IFileOrganizationRepository, IDisposable
     {
         private IDbConnection _connection;
 
-        private readonly ILogger _logger;
-
-        private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
         private readonly IServerApplicationPaths _appPaths;
 
         private readonly CultureInfo _usCulture = new CultureInfo("en-US");
@@ -30,11 +26,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
         private IDbCommand _deleteResultCommand;
         private IDbCommand _deleteAllCommand;
 
-        public SqliteFileOrganizationRepository(ILogManager logManager, IServerApplicationPaths appPaths)
+        public SqliteFileOrganizationRepository(ILogManager logManager, IServerApplicationPaths appPaths) : base(logManager)
         {
             _appPaths = appPaths;
-
-            _logger = logManager.GetLogger(GetType().Name);
         }
 
         /// <summary>
@@ -45,7 +39,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "fileorganization.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
+            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
 
             string[] queries = {
 
@@ -58,11 +52,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "pragma shrink_memory"
                                };
 
-            _connection.RunQueries(queries, _logger);
+            _connection.RunQueries(queries, Logger);
 
             PrepareStatements();
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
         }
 
         private void PrepareStatements()
@@ -103,7 +95,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -145,7 +137,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save FileOrganizationResult:", e);
+                Logger.ErrorException("Failed to save FileOrganizationResult:", e);
 
                 if (transaction != null)
                 {
@@ -161,7 +153,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -172,7 +164,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 throw new ArgumentNullException("id");
             }
 
-            await _writeLock.WaitAsync().ConfigureAwait(false);
+            await WriteLock.WaitAsync().ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -199,7 +191,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to delete FileOrganizationResult:", e);
+                Logger.ErrorException("Failed to delete FileOrganizationResult:", e);
 
                 if (transaction != null)
                 {
@@ -215,13 +207,13 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
         public async Task DeleteAll()
         {
-            await _writeLock.WaitAsync().ConfigureAwait(false);
+            await WriteLock.WaitAsync().ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -246,7 +238,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to delete results", e);
+                Logger.ErrorException("Failed to delete results", e);
 
                 if (transaction != null)
                 {
@@ -262,7 +254,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
         
@@ -423,51 +415,17 @@ namespace MediaBrowser.Server.Implementations.Persistence
             return result;
         }
 
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
-        {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        private readonly object _disposeLock = new object();
-
-        /// <summary>
-        /// Releases unmanaged and - optionally - managed resources.
-        /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
+        protected override void CloseConnection()
         {
-            if (dispose)
+            if (_connection != null)
             {
-                try
-                {
-                    lock (_disposeLock)
-                    {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
-                        if (_connection != null)
-                        {
-                            if (_connection.IsOpen())
-                            {
-                                _connection.Close();
-                            }
-
-                            _connection.Dispose();
-                            _connection = null;
-                        }
-                    }
-                }
-                catch (Exception ex)
+                if (_connection.IsOpen())
                 {
-                    _logger.ErrorException("Error disposing database", ex);
+                    _connection.Close();
                 }
+
+                _connection.Dispose();
+                _connection = null;
             }
         }
     }
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
index 98f063656..c5a9db87b 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
@@ -130,12 +130,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             _mediaStreamsRepository.Initialize();
             _chapterRepository.Initialize();
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
         }
 
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
-
         /// <summary>
         /// The _write lock
         /// </summary>
@@ -430,13 +426,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 {
                     lock (_disposeLock)
                     {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
-                        //_writeLock.Wait();
+                        _writeLock.Wait();
 
                         if (_connection != null)
                         {
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteMediaStreamsRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteMediaStreamsRepository.cs
index 293da3f0f..994397624 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteMediaStreamsRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteMediaStreamsRepository.cs
@@ -1,5 +1,4 @@
-using System.Globalization;
-using MediaBrowser.Controller.Persistence;
+using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Logging;
 using System;
@@ -21,8 +20,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
         private IDbCommand _deleteStreamsCommand;
         private IDbCommand _saveStreamCommand;
 
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
-
         public SqliteMediaStreamsRepository(IDbConnection connection, ILogManager logManager)
         {
             _connection = connection;
@@ -64,8 +61,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
             AddRefFramesCommand();
 
             PrepareStatements();
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
         }
 
         private void AddPixelFormatColumnCommand()
@@ -563,12 +558,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
                 {
                     lock (_disposeLock)
                     {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
                         if (_connection != null)
                         {
                             if (_connection.IsOpen())
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
index 743d8fed6..bce33e834 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs
@@ -1,33 +1,28 @@
-using System.Text;
-using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Logging;
 using System;
 using System.Data;
 using System.IO;
 using System.Linq;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Persistence
 {
-    public class SqliteProviderInfoRepository : IProviderRepository
+    public class SqliteProviderInfoRepository : BaseSqliteRepository, IProviderRepository
     {
         private IDbConnection _connection;
 
-        private readonly ILogger _logger;
-
         private IDbCommand _saveStatusCommand;
         private readonly IApplicationPaths _appPaths;
 
-        public SqliteProviderInfoRepository(IApplicationPaths appPaths, ILogManager logManager)
+        public SqliteProviderInfoRepository(ILogManager logManager, IApplicationPaths appPaths) : base(logManager)
         {
             _appPaths = appPaths;
-            _logger = logManager.GetLogger(GetType().Name);
         }
 
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
-
         /// <summary>
         /// Gets the name of the repository
         /// </summary>
@@ -48,7 +43,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "refreshinfo.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
+            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
 
             string[] queries = {
 
@@ -61,13 +56,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "pragma shrink_memory"
                                };
 
-            _connection.RunQueries(queries, _logger);
+            _connection.RunQueries(queries, Logger);
 
             AddItemDateModifiedCommand();
 
             PrepareStatements();
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
         }
 
         private static readonly string[] StatusColumns =
@@ -113,15 +106,10 @@ namespace MediaBrowser.Server.Implementations.Persistence
             builder.AppendLine("alter table MetadataStatus");
             builder.AppendLine("add column ItemDateModified DateTime NULL");
 
-            _connection.RunQueries(new[] { builder.ToString() }, _logger);
+            _connection.RunQueries(new[] { builder.ToString() }, Logger);
         }
         
         /// <summary>
-        /// The _write lock
-        /// </summary>
-        private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
-
-        /// <summary>
         /// Prepares the statements.
         /// </summary>
         private void PrepareStatements()
@@ -227,7 +215,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -264,7 +252,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save provider info:", e);
+                Logger.ErrorException("Failed to save provider info:", e);
 
                 if (transaction != null)
                 {
@@ -280,55 +268,21 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
-        {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        private readonly object _disposeLock = new object();
-
-        /// <summary>
-        /// Releases unmanaged and - optionally - managed resources.
-        /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
+        protected override void CloseConnection()
         {
-            if (dispose)
+            if (_connection != null)
             {
-                try
+                if (_connection.IsOpen())
                 {
-                    lock (_disposeLock)
-                    {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
-                        if (_connection != null)
-                        {
-                            if (_connection.IsOpen())
-                            {
-                                _connection.Close();
-                            }
-
-                            _connection.Dispose();
-                            _connection = null;
-                        }
-                    }
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error disposing database", ex);
+                    _connection.Close();
                 }
+
+                _connection.Dispose();
+                _connection = null;
             }
         }
     }
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteShrinkMemoryTimer.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteShrinkMemoryTimer.cs
deleted file mode 100644
index b5a0c10b1..000000000
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteShrinkMemoryTimer.cs
+++ /dev/null
@@ -1,84 +0,0 @@
-using MediaBrowser.Model.Logging;
-using System;
-using System.Data;
-using System.Threading;
-
-namespace MediaBrowser.Server.Implementations.Persistence
-{
-    class SqliteShrinkMemoryTimer : IDisposable
-    {
-        private Timer _shrinkMemoryTimer;
-
-        private readonly SemaphoreSlim _writeLock;
-        private readonly ILogger _logger;
-        private readonly IDbConnection _connection;
-
-        public SqliteShrinkMemoryTimer(IDbConnection connection, SemaphoreSlim writeLock, ILogger logger)
-        {
-            _connection = connection;
-            _writeLock = writeLock;
-            _logger = logger;
-
-            _shrinkMemoryTimer = new Timer(TimerCallback, null, TimeSpan.FromMinutes(30), TimeSpan.FromMinutes(10));
-        }
-
-        private async void TimerCallback(object state)
-        {
-            await _writeLock.WaitAsync(CancellationToken.None).ConfigureAwait(false);
-
-            IDbTransaction transaction = null;
-
-            try
-            {
-                transaction = _connection.BeginTransaction();
-
-                using (var cmd = _connection.CreateCommand())
-                {
-                    cmd.Transaction = transaction;
-                    cmd.CommandText = "pragma shrink_memory";
-                    cmd.ExecuteNonQuery();
-                }
-
-                transaction.Commit();
-            }
-            catch (OperationCanceledException)
-            {
-                if (transaction != null)
-                {
-                    transaction.Rollback();
-                }
-
-                throw;
-            }
-            catch (Exception e)
-            {
-                _logger.ErrorException("Failed to save items:", e);
-
-                if (transaction != null)
-                {
-                    transaction.Rollback();
-                }
-
-                throw;
-            }
-            finally
-            {
-                if (transaction != null)
-                {
-                    transaction.Dispose();
-                }
-
-                _writeLock.Release();
-            }
-        }
-
-        public void Dispose()
-        {
-            if (_shrinkMemoryTimer != null)
-            {
-                _shrinkMemoryTimer.Dispose();
-                _shrinkMemoryTimer = null;
-            }
-        }
-    }
-}
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
index 0f0488168..8b86d19a2 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
@@ -11,13 +11,15 @@ using System.Threading.Tasks;
 
 namespace MediaBrowser.Server.Implementations.Persistence
 {
-    public class SqliteUserDataRepository : IUserDataRepository
+    public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
     {
-        private readonly ILogger _logger;
-
-        private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
-
         private IDbConnection _connection;
+        private readonly IApplicationPaths _appPaths;
+
+        public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths) : base(logManager)
+        {
+            _appPaths = appPaths;
+        }
 
         /// <summary>
         /// Gets the name of the repository
@@ -32,32 +34,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
         }
 
         /// <summary>
-        /// The _app paths
-        /// </summary>
-        private readonly IApplicationPaths _appPaths;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="SqliteUserDataRepository" /> class.
-        /// </summary>
-        /// <param name="appPaths">The app paths.</param>
-        /// <param name="logManager">The log manager.</param>
-        /// <exception cref="System.ArgumentNullException">jsonSerializer
-        /// or
-        /// appPaths</exception>
-        public SqliteUserDataRepository(IApplicationPaths appPaths, ILogManager logManager)
-        {
-            if (appPaths == null)
-            {
-                throw new ArgumentNullException("appPaths");
-            }
-
-            _appPaths = appPaths;
-            _logger = logManager.GetLogger(GetType().Name);
-        }
-
-        private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
-
-        /// <summary>
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
@@ -65,7 +41,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "userdata_v2.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
+            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
 
             string[] queries = {
 
@@ -79,9 +55,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "pragma shrink_memory"
                                };
 
-            _connection.RunQueries(queries, _logger);
-
-            _shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
+            _connection.RunQueries(queries, Logger);
         }
 
         /// <summary>
@@ -143,7 +117,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -182,7 +156,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save user data:", e);
+                Logger.ErrorException("Failed to save user data:", e);
 
                 if (transaction != null)
                 {
@@ -198,7 +172,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -213,7 +187,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -257,7 +231,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save user data:", e);
+                Logger.ErrorException("Failed to save user data:", e);
 
                 if (transaction != null)
                 {
@@ -273,7 +247,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -379,51 +353,17 @@ namespace MediaBrowser.Server.Implementations.Persistence
             return userData;
         }
 
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
-        {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        private readonly object _disposeLock = new object();
-
-        /// <summary>
-        /// Releases unmanaged and - optionally - managed resources.
-        /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
+        protected override void CloseConnection()
         {
-            if (dispose)
+            if (_connection != null)
             {
-                try
+                if (_connection.IsOpen())
                 {
-                    lock (_disposeLock)
-                    {
-                        if (_shrinkMemoryTimer != null)
-                        {
-                            _shrinkMemoryTimer.Dispose();
-                            _shrinkMemoryTimer = null;
-                        }
-
-                        if (_connection != null)
-                        {
-                            if (_connection.IsOpen())
-                            {
-                                _connection.Close();
-                            }
-
-                            _connection.Dispose();
-                            _connection = null;
-                        }
-                    }
-                }
-                catch (Exception ex)
-                {
-                    _logger.ErrorException("Error disposing database", ex);
+                    _connection.Close();
                 }
+
+                _connection.Dispose();
+                _connection = null;
             }
         }
     }
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
index d97a55ae6..ad784ae5d 100644
--- a/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
+++ b/MediaBrowser.Server.Implementations/Persistence/SqliteUserRepository.cs
@@ -15,14 +15,17 @@ namespace MediaBrowser.Server.Implementations.Persistence
     /// <summary>
     /// Class SQLiteUserRepository
     /// </summary>
-    public class SqliteUserRepository : IUserRepository
+    public class SqliteUserRepository : BaseSqliteRepository, IUserRepository
     {
-        private readonly ILogger _logger;
-
-        private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
-
         private IDbConnection _connection;
         private readonly IServerApplicationPaths _appPaths;
+        private readonly IJsonSerializer _jsonSerializer;
+
+        public SqliteUserRepository(ILogManager logManager, IServerApplicationPaths appPaths, IJsonSerializer jsonSerializer) : base(logManager)
+        {
+            _appPaths = appPaths;
+            _jsonSerializer = jsonSerializer;
+        }
 
         /// <summary>
         /// Gets the name of the repository
@@ -37,32 +40,6 @@ namespace MediaBrowser.Server.Implementations.Persistence
         }
 
         /// <summary>
-        /// Gets the json serializer.
-        /// </summary>
-        /// <value>The json serializer.</value>
-        private readonly IJsonSerializer _jsonSerializer;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="SqliteUserRepository" /> class.
-        /// </summary>
-        /// <param name="jsonSerializer">The json serializer.</param>
-        /// <param name="logManager">The log manager.</param>
-        /// <param name="appPaths">The app paths.</param>
-        /// <exception cref="System.ArgumentNullException">appPaths</exception>
-        public SqliteUserRepository(IJsonSerializer jsonSerializer, ILogManager logManager, IServerApplicationPaths appPaths)
-        {
-            if (jsonSerializer == null)
-            {
-                throw new ArgumentNullException("jsonSerializer");
-            }
-
-            _jsonSerializer = jsonSerializer;
-            _appPaths = appPaths;
-
-            _logger = logManager.GetLogger(GetType().Name);
-        }
-
-        /// <summary>
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
@@ -70,7 +47,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
         {
             var dbFile = Path.Combine(_appPaths.DataPath, "users.db");
 
-            _connection = await SqliteExtensions.ConnectToDb(dbFile, _logger).ConfigureAwait(false);
+            _connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
             
             string[] queries = {
 
@@ -84,7 +61,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                                 "pragma shrink_memory"
                                };
 
-            _connection.RunQueries(queries, _logger);
+            _connection.RunQueries(queries, Logger);
         }
 
         /// <summary>
@@ -107,8 +84,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
-
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            
             IDbTransaction transaction = null;
 
             try
@@ -139,7 +116,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to save user:", e);
+                Logger.ErrorException("Failed to save user:", e);
 
                 if (transaction != null)
                 {
@@ -155,7 +132,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
@@ -199,7 +176,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
 
             cancellationToken.ThrowIfCancellationRequested();
 
-            await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
+            await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
 
             IDbTransaction transaction = null;
 
@@ -231,7 +208,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
             }
             catch (Exception e)
             {
-                _logger.ErrorException("Failed to delete user:", e);
+                Logger.ErrorException("Failed to delete user:", e);
 
                 if (transaction != null)
                 {
@@ -247,49 +224,21 @@ namespace MediaBrowser.Server.Implementations.Persistence
                     transaction.Dispose();
                 }
 
-                _writeLock.Release();
+                WriteLock.Release();
             }
         }
 
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
-        {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        private readonly object _disposeLock = new object();
-
-        /// <summary>
-        /// Releases unmanaged and - optionally - managed resources.
-        /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
+        protected override void CloseConnection()
         {
-            if (dispose)
+            if (_connection != null)
             {
-                try
-                {
-                    lock (_disposeLock)
-                    {
-                        if (_connection != null)
-                        {
-                            if (_connection.IsOpen())
-                            {
-                                _connection.Close();
-                            }
-
-                            _connection.Dispose();
-                            _connection = null;
-                        }
-                    }
-                }
-                catch (Exception ex)
+                if (_connection.IsOpen())
                 {
-                    _logger.ErrorException("Error disposing database", ex);
+                    _connection.Close();
                 }
+
+                _connection.Dispose();
+                _connection = null;
             }
         }
     }