Update mongodb

Src/Asp.NetCore2/MongoDb.Ado.data/ExecuteNonQueryItemsAsync/InsertManyHandlerAsync.cs

@@ -0,0 +1,27 @@
+using MongoDB.Bson.Serialization;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MongoDb.Ado.data 
+{
+    public class InsertManyHandlerAsync : IMongoOperationHandlerAsync
+    {
+        public async Task<int> HandleAsync(IMongoCollection<BsonDocument> collection, string json)
+        {
+            var documents = ParseJsonArray(json);
+            await collection.InsertManyAsync(documents);
+            return documents.Count;
+        }
+
+        private List<BsonDocument> ParseJsonArray(string json)
+        {
+            if (json.TrimStart().StartsWith("["))
+                return BsonSerializer.Deserialize<List<BsonDocument>>(json);
+            return new List<BsonDocument> { BsonDocument.Parse(json) };
+        }
+    }
+}