AdminApiMappingBuilder (#890)

* AdminApiMappingBuilder

* .

* IWireMockAdminApi

* add methods

* .

src/WireMock.Net.RestClient/Builders/ApiMappingModelBuilder.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Stef.Validation;
+using WireMock.Admin.Mappings;
+
+namespace WireMock.Client.Builders;
+
+/// <summary>
+/// AdminApiMappingBuilder
+/// </summary>
+public class AdminApiMappingBuilder
+{
+    private readonly List<Action<MappingModelBuilder>> _mappingModelBuilderActions = new();
+
+    private readonly IWireMockAdminApi _api;
+
+    /// <summary>
+    /// AdminApiMappingBuilder
+    /// </summary>
+    /// <param name="api">The <see cref="IWireMockAdminApi"/>.</param>
+    public AdminApiMappingBuilder(IWireMockAdminApi api)
+    {
+        _api = Guard.NotNull(api);
+    }
+
+    /// <summary>
+    /// The Given
+    /// </summary>
+    /// <param name="mappingModelBuilderAction">The action.</param>
+    public void Given(Action<MappingModelBuilder> mappingModelBuilderAction)
+    {
+        _mappingModelBuilderActions.Add(Guard.NotNull(mappingModelBuilderAction));
+    }
+
+    /// <summary>
+    /// Build the mappings and post these using the <see cref="IWireMockAdminApi"/> to the WireMock.Net server.
+    /// </summary>
+    /// <param name="cancellationToken">The optional CancellationToken.</param>
+    /// <returns><see cref="StatusModel"/></returns>
+    public Task<StatusModel> BuildAndPostAsync(CancellationToken cancellationToken = default)
+    {
+        var modelMappings = new List<MappingModel>();
+
+        foreach (var mappingModelBuilderAction in _mappingModelBuilderActions)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            var mappingModelBuilder = new MappingModelBuilder();
+            mappingModelBuilderAction(mappingModelBuilder);
+
+            modelMappings.Add(mappingModelBuilder.Build());
+        }
+
+        return _api.PostMappingsAsync(modelMappings, cancellationToken);
+    }
+}