Update mongodb

Src/Asp.NetCore2/MongoDb.Ado.data/Common/MongoDbMethodUtils.cs

@@ -1,4 +1,5 @@
-using System;
+using MongoDb.Ado.Data.Common;
+using System;
 using System.Collections.Generic;
 using System.Text;
 using System.Threading.Tasks;
@@ -6,7 +7,41 @@ using System.Threading.Tasks;
 namespace MongoDb.Ado.data
 {
     public class MongoDbMethodUtils
-    { 
+    {
+        public static MongoParsedCommand ParseMongoCommand(string command)
+        {
+            if (string.IsNullOrWhiteSpace(command))
+                throw new ArgumentException("command is null or empty");
+
+            // 去掉前后空格与结尾分号
+            command = command.Trim().TrimEnd(';');
+
+            // 确保以 db. 开头
+            if (!command.StartsWith("db."))
+                throw new FormatException("Invalid command format. Must start with db.");
+
+            int dotIndex = command.IndexOf('.', 3); // 找 collection 之后的点
+            int parenIndex = command.IndexOf('(', dotIndex);
+            int braceIndex = command.IndexOf('{', parenIndex);
+
+            if (dotIndex == -1 || parenIndex == -1 || braceIndex == -1)
+                throw new FormatException("Command format not recognized.");
+
+            string collectionName = command.Substring(3, dotIndex - 3).Trim();
+            string operation = command.Substring(dotIndex + 1, parenIndex - dotIndex - 1).Trim();
+
+            string jsonPart = command.Substring(parenIndex + 1).Trim();
+            if (jsonPart.EndsWith(")"))
+                jsonPart = jsonPart.Substring(0, jsonPart.Length - 1);
+
+            return new MongoParsedCommand
+            {
+                CollectionName = collectionName,
+                Operation = operation,
+                Json = jsonPart
+            };
+        }
+
         public static void ValidateOperation(string operation)
         {
             if (ExecuteHandlerFactory.Items.TryGetValue(operation, out var handler))

Src/Asp.NetCore2/MongoDb.Ado.data/Common/MongoParsedCommand.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace MongoDb.Ado.Data.Common
+{
+    public class MongoParsedCommand
+    {
+        public string CollectionName { get; set; }
+        public string Operation { get; set; }
+        public string Json { get; set; }
+    }
+}
+
+