Add 'Data' to response which can be used during transforming the response (#893)

* Add 'Data' to response which can be used during transforming the response

* md

* hb

* fix

* Linq

* fix test

* v4

* 14

* .

* x

* remove

* s

src/WireMock.Net/Server/IRespondWithAProvider.cs

@@ -166,4 +166,14 @@ public interface IRespondWithAProvider
         bool useTransformer = true,
         TransformerType transformerType = TransformerType.Handlebars
     );
+
+    /// <summary>
+    /// Data Object which can be used when WithTransformer is used.
+    /// e.g. lookup an path in this object using
+    /// <param name="data">The data dictionary object.</param>
+    /// <example>
+    /// lookup data "1"
+    /// </example>
+    /// </summary>
+    IRespondWithAProvider WithData(object data);
 }

src/WireMock.Net/Server/RespondWithAProvider.cs

@@ -2,6 +2,7 @@
 // For more details see 'mock4net/LICENSE.txt' and 'mock4net/readme.md' in this project root.
 using System;
 using System.Collections.Generic;
+using JetBrains.Annotations;
 using Stef.Validation;
 using WireMock.Matchers.Request;
 using WireMock.Models;
@@ -39,6 +40,8 @@ internal class RespondWithAProvider : IRespondWithAProvider
 
     public ITimeSettings? TimeSettings { get; private set; }
 
+    public object? Data { get; private set; }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="RespondWithAProvider"/> class.
     /// </summary>
@@ -88,10 +91,20 @@ internal class RespondWithAProvider : IRespondWithAProvider
             _timesInSameState,
             Webhooks,
             _useWebhookFireAndForget,
-            TimeSettings);
+            TimeSettings,
+            Data);
+
         _registrationCallback(mapping, _saveToFile);
     }
 
+    /// <inheritdoc />
+    [PublicAPI]
+    public IRespondWithAProvider WithData(object data)
+    {
+        Data = data;
+        return this;
+    }
+
     /// <inheritdoc />
     public IRespondWithAProvider WithGuid(string guid)
     {

src/WireMock.Net/Server/WireMockServer.ConvertMapping.cs

@@ -46,7 +46,7 @@ public partial class WireMockServer
         }
 
         var respondProvider = Given(requestBuilder, mappingModel.SaveToFile == true);
-
+        
         if (guid != null)
         {
             respondProvider = respondProvider.WithGuid(guid.Value);
@@ -56,6 +56,11 @@ public partial class WireMockServer
             respondProvider = respondProvider.WithGuid(mappingModel.Guid.Value);
         }
 
+        if (mappingModel.Data != null)
+        {
+            respondProvider = respondProvider.WithData(mappingModel.Data);
+        }
+
         var timeSettings = TimeSettingsMapper.Map(mappingModel.TimeSettings);
         if (timeSettings != null)
         {