Add RouteConstraintName to ApiExplorerOptions. Related to #812

Author: commonsensesoftware

src/AspNet/WebApi/src/Asp.Versioning.WebApi.ApiExplorer/ApiExplorer/ApiExplorerOptions.cs

@@ -2,6 +2,7 @@
 
 namespace Asp.Versioning.ApiExplorer;
 
+using Asp.Versioning.Routing;
 using System.Web.Http;
 
 /// <content>
@@ -37,4 +38,10 @@ public partial class ApiExplorerOptions
     /// </summary>
     /// <value>The <see cref="IApiVersionParameterSource">API version parameter source</see> used to describe API version parameters.</value>
     public IApiVersionParameterSource ApiVersionParameterSource => options.Value.ApiVersionReader;
+
+    /// <summary>
+    /// Gets the name associated with the API version route constraint.
+    /// </summary>
+    /// <value>The name associated with the <see cref="ApiVersionRouteConstraint">API version route constraint</see>.</value>
+    public string RouteConstraintName => options.Value.RouteConstraintName;
 }

src/AspNetCore/WebApi/src/Asp.Versioning.Mvc.ApiExplorer/ApiExplorerOptions.cs

@@ -2,6 +2,8 @@
 
 namespace Asp.Versioning.ApiExplorer;
 
+using Asp.Versioning.Routing;
+
 /// <content>
 /// Provides additional implementation specific to ASP.NET Core.
 /// </content>
@@ -38,4 +40,10 @@ public IApiVersionParameterSource ApiVersionParameterSource
         get => parameterSource ??= ApiVersionReader.Combine( new QueryStringApiVersionReader(), new UrlSegmentApiVersionReader() );
         set => parameterSource = value;
     }
+
+    /// <summary>
+    /// Gets or sets the name associated with the API version route constraint.
+    /// </summary>
+    /// <value>The name associated with the <see cref="ApiVersionRouteConstraint">API version route constraint</see>.</value>
+    public string RouteConstraintName { get; set; } = string.Empty;
 }

src/AspNetCore/WebApi/src/Asp.Versioning.Mvc.ApiExplorer/ApiExplorerOptionsFactory{T}.cs

@@ -59,9 +59,10 @@ public virtual T Create( string name )
         var apiVersioningOptions = Options;
         var options = new T()
         {
-            DefaultApiVersion = apiVersioningOptions.DefaultApiVersion,
-            ApiVersionParameterSource = apiVersioningOptions.ApiVersionReader,
             AssumeDefaultVersionWhenUnspecified = apiVersioningOptions.AssumeDefaultVersionWhenUnspecified,
+            ApiVersionParameterSource = apiVersioningOptions.ApiVersionReader,
+            DefaultApiVersion = apiVersioningOptions.DefaultApiVersion,
+            RouteConstraintName = apiVersioningOptions.RouteConstraintName,
         };
 
         foreach ( var setup in Setups )