Upgrade to MongoDb Driver 2.20 and use GuidRepresentationMode.V3 as default representation.

MongoDbGenericRepository/Internals/RepositorySerializationProvider.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Concurrent;
+using MongoDB.Bson.Serialization;
+
+namespace MongoDbGenericRepository.Internals
+{
+    /// <summary>
+    /// An <see cref="IBsonSerializationProvider"/> that can handle multiple serializer registration calls.
+    /// </summary>
+    internal class RepositorySerializationProvider : IBsonSerializationProvider
+    {
+        private static volatile RepositorySerializationProvider _instance;
+        private static readonly object LockObject = new object();
+
+        private readonly ConcurrentDictionary<Type, IBsonSerializer> _cache;
+
+        private RepositorySerializationProvider()
+        {
+            _cache = new ConcurrentDictionary<Type, IBsonSerializer>();
+        }
+
+        public static RepositorySerializationProvider Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    lock (LockObject)
+                    {
+                        if (_instance == null)
+                        {
+                            _instance = new RepositorySerializationProvider();
+                            BsonSerializer.RegisterSerializationProvider(_instance);
+                        }
+                    }
+                }
+
+                return _instance;
+            }
+        }
+
+        /// <inheritdoc />
+        public IBsonSerializer GetSerializer(Type type)
+        {
+            if (type == null)
+            {
+                throw new ArgumentNullException(nameof(type));
+            }
+
+            return _cache.TryGetValue(type, out var serializer) ? serializer : null;
+        }
+
+        internal void RegisterSerializer<T>(IBsonSerializer<T> serializer) =>
+            RegisterSerializer(typeof(T), serializer);
+
+        internal void RegisterSerializer(Type type, IBsonSerializer serializer) =>
+            _cache.TryAdd(type, serializer);
+    }
+}

MongoDbGenericRepository/MongoDbContext.cs

@@ -3,6 +3,9 @@ using MongoDbGenericRepository.Attributes;
 using MongoDbGenericRepository.Utils;
 using System.Linq;
 using System.Reflection;
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Serializers;
+using MongoDbGenericRepository.Internals;
 
 namespace MongoDbGenericRepository
 {
@@ -21,7 +24,6 @@ namespace MongoDbGenericRepository
         /// </summary>
         public IMongoDatabase Database { get; }
 
-
         /// <summary>
         /// The constructor of the MongoDbContext, it needs an object implementing <see cref="IMongoDatabase"/>.
         /// </summary>
@@ -90,9 +92,14 @@ namespace MongoDbGenericRepository
         /// Sets the Guid representation of the MongoDB Driver.
         /// </summary>
         /// <param name="guidRepresentation">The new value of the GuidRepresentation</param>
-        public virtual void SetGuidRepresentation(MongoDB.Bson.GuidRepresentation guidRepresentation)
+        public virtual void SetGuidRepresentation(GuidRepresentation guidRepresentation)
         {
-            MongoDefaults.GuidRepresentation = guidRepresentation;
+            // GuidRepresentation and GuidRepresentationMode will be removed in the next major release of the MongoDB Driver.
+            // We can safely replace this with RepositorySerializationProvider.Instance.RegisterSerializer once we upgrade to the next major release.
+#pragma warning disable CS0618
+            BsonDefaults.GuidRepresentationMode = GuidRepresentationMode.V3;
+            RepositorySerializationProvider.Instance.RegisterSerializer(new GuidSerializer(guidRepresentation));
+#pragma warning restore CS0618
         }
 
         /// <summary>
@@ -103,8 +110,8 @@ namespace MongoDbGenericRepository
         protected virtual string GetAttributeCollectionName<TDocument>()
         {
             return (typeof(TDocument).GetTypeInfo()
-                                     .GetCustomAttributes(typeof(CollectionNameAttribute))
-                                     .FirstOrDefault() as CollectionNameAttribute)?.Name;
+                .GetCustomAttributes(typeof(CollectionNameAttribute))
+                .FirstOrDefault() as CollectionNameAttribute)?.Name;
         }
 
         /// <summary>
@@ -114,7 +121,7 @@ namespace MongoDbGenericRepository
         protected virtual void InitializeGuidRepresentation()
         {
             // by default, avoid legacy UUID representation: use Binary 0x04 subtype.
-            MongoDefaults.GuidRepresentation = MongoDB.Bson.GuidRepresentation.Standard;
+            SetGuidRepresentation(GuidRepresentation.Standard);
         }
 
         /// <summary>
@@ -143,4 +150,4 @@ namespace MongoDbGenericRepository
             return (typeof(TDocument).Name.Pluralize()).Camelize();
         }
     }
-}
+}

MongoDbGenericRepository/MongoDbGenericRepository.csproj

@@ -4,7 +4,7 @@
     <TargetFrameworks>net472;netstandard2.0;</TargetFrameworks>
 	<GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageId>MongoDbGenericRepository</PackageId>
-    <PackageVersion>1.5.1</PackageVersion>
+    <PackageVersion>1.6.0</PackageVersion>
     <Authors>Alexandre Spieser</Authors>
     <PackageTitle>MongoDb Generic Repository</PackageTitle>
     <Description>A generic repository implementation using the MongoDB C# Sharp 2.0 driver.</Description>
@@ -15,7 +15,7 @@
     <Copyright>Copyright 2023 (c) Alexandre Spieser. All rights reserved.</Copyright>
     <PackageTags>MongoDb Repository Generic NoSql</PackageTags>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>1.5.1</Version>
+    <Version>1.6.0</Version>
     <RepositoryUrl>https://github.com/alexandre-spieser/mongodb-generic-repository</RepositoryUrl>
     <RepositoryType>Git</RepositoryType>
   </PropertyGroup>
@@ -25,7 +25,7 @@
 	</PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MongoDB.Driver" Version="2.18.0" />
+    <PackageReference Include="MongoDB.Driver" Version="2.20.0" />
   </ItemGroup>
 
 </Project>