Resolving merge issues with serialization settings

Author: bowencode

Extensions/Cosmos/Cosmos.DataTransfer.CosmosExtension/CosmosDictionaryDataItem.cs

@@ -32,12 +32,12 @@ public IEnumerable<string> GetFieldNames()
         {
             if (value is JObject element)
             {
-                return new CosmosDictionaryDataItem(element.ToObject<IDictionary<string, object?>>(JsonSerializer.Create(RawJsonCosmosSerializer.DefaultSettings))
+                return new CosmosDictionaryDataItem(element.ToObject<IDictionary<string, object?>>(JsonSerializer.Create(RawJsonCosmosSerializer.GetDefaultSettings()))
                     .ToDictionary(k => k.Key, v => v.Value));
             }
             if (value is JArray array)
             {
-                return array.ToObject<List<object?>>(JsonSerializer.Create(RawJsonCosmosSerializer.DefaultSettings))
+                return array.ToObject<List<object?>>(JsonSerializer.Create(RawJsonCosmosSerializer.GetDefaultSettings()))
                     .Select(GetChildObject).ToList();
             }
 

Extensions/Cosmos/Cosmos.DataTransfer.CosmosExtension/CosmosExtensionServices.cs

@@ -15,23 +15,23 @@ public static CosmosClient CreateClient(CosmosSettingsBase settings, string disp
         {
             string userAgentString = CreateUserAgentString(displayName, sourceDisplayName);
 
+            var cosmosSerializer = new RawJsonCosmosSerializer();
+            if (settings is CosmosSinkSettings sinkSettings)
+            {
+                cosmosSerializer.SerializerSettings.NullValueHandling = sinkSettings.IgnoreNullValues
+                    ? Newtonsoft.Json.NullValueHandling.Ignore
+                    : Newtonsoft.Json.NullValueHandling.Include;
+            }
+
             var clientOptions = new CosmosClientOptions
             {
                 ConnectionMode = settings.ConnectionMode,
                 ApplicationName = userAgentString,
                 AllowBulkExecution = true,
                 EnableContentResponseOnWrite = false,
-                Serializer = new RawJsonCosmosSerializer(),
+                Serializer = cosmosSerializer,
             };
 
-            if (settings is CosmosSinkSettings sinkSettings) 
-            {
-                clientOptions.SerializerOptions = new CosmosSerializationOptions 
-                {
-                    IgnoreNullValues = sinkSettings.IgnoreNullValues
-                };
-            }
-
             CosmosClient? cosmosClient;
             if (settings.UseRbacAuth)
             {

Extensions/Cosmos/Cosmos.DataTransfer.CosmosExtension/RawJsonCosmosSerializer.cs

@@ -12,13 +12,18 @@ namespace Cosmos.DataTransfer.CosmosExtension;
 /// </remarks>
 public class RawJsonCosmosSerializer : CosmosSerializer
 {
-    public static readonly JsonSerializerSettings DefaultSettings = new()
-    {
-        DateParseHandling = DateParseHandling.None,
-        MetadataPropertyHandling = MetadataPropertyHandling.Ignore
-    };
+    private static readonly Encoding DefaultEncoding = new UTF8Encoding(false, true);
+
+    public static JsonSerializerSettings GetDefaultSettings() =>
+        new()
+        {
+            DateParseHandling = DateParseHandling.None,
+            MetadataPropertyHandling = MetadataPropertyHandling.Ignore,
+            ContractResolver = null,
+            MaxDepth = 64,
+        };
 
-    public JsonSerializerSettings SerializerSettings { get; set; } = DefaultSettings;
+    public JsonSerializerSettings SerializerSettings { get; } = GetDefaultSettings();
 
     public override T FromStream<T>(Stream stream)
     {
@@ -39,7 +44,7 @@ public override T FromStream<T>(Stream stream)
     public override Stream ToStream<T>(T input)
     {
         var memoryStream = new MemoryStream();
-        using (var streamWriter = new StreamWriter(memoryStream, Encoding.UTF8, leaveOpen: true))
+        using (var streamWriter = new StreamWriter(memoryStream, DefaultEncoding, bufferSize: 1024, leaveOpen: true))
         {
             using (var jsonWriter = new JsonTextWriter(streamWriter))
             {