From cec22ad10daf7abef2f27f846e4022d5a35faccf Mon Sep 17 00:00:00 2001
From: Bond-009 <bond.009@outlook.com>
Date: Wed, 20 Feb 2019 14:26:49 +0100
Subject: Simplify db code

---
 .../Data/SqliteUserDataRepository.cs               | 76 ++++++++--------------
 1 file changed, 27 insertions(+), 49 deletions(-)

(limited to 'Emby.Server.Implementations/Data/SqliteUserDataRepository.cs')

diff --git a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
index 4109b7ad1..f544dfac4 100644
--- a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
@@ -7,7 +7,6 @@ using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
 
@@ -33,13 +32,8 @@ namespace Emby.Server.Implementations.Data
         /// Opens the connection to the database
         /// </summary>
         /// <returns>Task.</returns>
-        public void Initialize(ReaderWriterLockSlim writeLock, ManagedConnection managedConnection, IUserManager userManager)
+        public void Initialize(IUserManager userManager)
         {
-            _connection = managedConnection;
-
-            WriteLock.Dispose();
-            WriteLock = writeLock;
-
             using (var connection = CreateConnection())
             {
                 var userDatasTableExists = TableExists(connection, "UserDatas");
@@ -178,15 +172,12 @@ namespace Emby.Server.Implementations.Data
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            using (WriteLock.Write())
+            using (var connection = CreateConnection())
             {
-                using (var connection = CreateConnection())
+                connection.RunInTransaction(db =>
                 {
-                    connection.RunInTransaction(db =>
-                    {
-                        SaveUserData(db, internalUserId, key, userData);
-                    }, TransactionMode);
-                }
+                    SaveUserData(db, internalUserId, key, userData);
+                }, TransactionMode);
             }
         }
 
@@ -249,18 +240,15 @@ namespace Emby.Server.Implementations.Data
         {
             cancellationToken.ThrowIfCancellationRequested();
 
-            using (WriteLock.Write())
+            using (var connection = CreateConnection())
             {
-                using (var connection = CreateConnection())
+                connection.RunInTransaction(db =>
                 {
-                    connection.RunInTransaction(db =>
+                    foreach (var userItemData in userDataList)
                     {
-                        foreach (var userItemData in userDataList)
-                        {
-                            SaveUserData(db, internalUserId, userItemData.Key, userItemData);
-                        }
-                    }, TransactionMode);
-                }
+                        SaveUserData(db, internalUserId, userItemData.Key, userItemData);
+                    }
+                }, TransactionMode);
             }
         }
 
@@ -281,28 +269,26 @@ namespace Emby.Server.Implementations.Data
             {
                 throw new ArgumentNullException(nameof(internalUserId));
             }
+
             if (string.IsNullOrEmpty(key))
             {
                 throw new ArgumentNullException(nameof(key));
             }
 
-            using (WriteLock.Read())
+            using (var connection = CreateConnection(true))
             {
-                using (var connection = CreateConnection(true))
+                using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from UserDatas where key =@Key and userId=@UserId"))
                 {
-                    using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from UserDatas where key =@Key and userId=@UserId"))
-                    {
-                        statement.TryBind("@UserId", internalUserId);
-                        statement.TryBind("@Key", key);
+                    statement.TryBind("@UserId", internalUserId);
+                    statement.TryBind("@Key", key);
 
-                        foreach (var row in statement.ExecuteQuery())
-                        {
-                            return ReadRow(row);
-                        }
+                    foreach (var row in statement.ExecuteQuery())
+                    {
+                        return ReadRow(row);
                     }
-
-                    return null;
                 }
+
+                return null;
             }
         }
 
@@ -335,18 +321,15 @@ namespace Emby.Server.Implementations.Data
 
             var list = new List<UserItemData>();
 
-            using (WriteLock.Read())
+            using (var connection = CreateConnection())
             {
-                using (var connection = CreateConnection())
+                using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from UserDatas where userId=@UserId"))
                 {
-                    using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from UserDatas where userId=@UserId"))
-                    {
-                        statement.TryBind("@UserId", internalUserId);
+                    statement.TryBind("@UserId", internalUserId);
 
-                        foreach (var row in statement.ExecuteQuery())
-                        {
-                            list.Add(ReadRow(row));
-                        }
+                    foreach (var row in statement.ExecuteQuery())
+                    {
+                        list.Add(ReadRow(row));
                     }
                 }
             }
@@ -397,10 +380,5 @@ namespace Emby.Server.Implementations.Data
         {
             // handled by library database
         }
-
-        protected override void CloseConnection()
-        {
-            // handled by library database
-        }
     }
 }
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