ensure path parameters are available in the OpenApi links

Author: danielmbaluka

src/Microsoft.OpenApi.OData.Reader/Operation/EntityGetOperationHandler.cs

@@ -77,7 +77,7 @@ protected override void SetResponses(OpenApiOperation operation)
             if (Context.Settings.ShowLinks)
             {
                 links = Context.CreateLinks(entityType: EntitySet.EntityType(), entityName: EntitySet.Name,
-                        entityKind: EntitySet.ContainerElementKind.ToString(), parameters: operation.Parameters);
+                        entityKind: EntitySet.ContainerElementKind.ToString(), PathParameters);
             }
 
             if (schema == null)

src/Microsoft.OpenApi.OData.Reader/Operation/NavigationPropertyGetOperationHandler.cs

@@ -113,7 +113,7 @@ protected override void SetResponses(OpenApiOperation operation)
                     string operationId = GetOperationId();
 
                     links = Context.CreateLinks(entityType: NavigationProperty.ToEntityType(), entityName: NavigationProperty.Name,
-                            entityKind: NavigationProperty.PropertyKind.ToString(), parameters: operation.Parameters,
+                            entityKind: NavigationProperty.PropertyKind.ToString(), parameters: PathParameters,
                             navPropOperationId: operationId);
                 }
 

src/Microsoft.OpenApi.OData.Reader/Operation/OperationHandler.cs

@@ -25,6 +25,11 @@ internal abstract class OperationHandler : IOperationHandler
 
         protected IDictionary<ODataSegment, IDictionary<string, string>> ParameterMappings;
 
+        /// <summary>
+        /// The path parameters in the path
+        /// </summary>
+        protected IList<OpenApiParameter> PathParameters;
+
         /// <inheritdoc/>
         public virtual OpenApiOperation CreateOperation(ODataContext context, ODataPath path)
         {
@@ -139,9 +144,10 @@ protected virtual void SetRequestBody(OpenApiOperation operation)
         /// <param name="operation">The <see cref="OpenApiOperation"/>.</param>
         protected virtual void SetParameters(OpenApiOperation operation)
         {
+            PathParameters = Path.CreatePathParameters(Context);
             if (!Context.Settings.DeclarePathParametersOnPathItem)
             {
-                foreach(var parameter in Path.CreatePathParameters(Context))
+                foreach (var parameter in PathParameters)
                 {
                     operation.Parameters.AppendParameter(parameter);
                 }

src/Microsoft.OpenApi.OData.Reader/Operation/RefGetOperationHandler.cs

@@ -96,7 +96,7 @@ protected override void SetResponses(OpenApiOperation operation)
                     string operationId = GetOperationId();
 
                     links = Context.CreateLinks(entityType: NavigationProperty.ToEntityType(), entityName: NavigationProperty.Name,
-                            entityKind: NavigationProperty.PropertyKind.ToString(), parameters: operation.Parameters,
+                            entityKind: NavigationProperty.PropertyKind.ToString(), parameters: PathParameters,
                             navPropOperationId: operationId);
                 }
 

src/Microsoft.OpenApi.OData.Reader/Operation/SingletonGetOperationHandler.cs

@@ -74,7 +74,7 @@ protected override void SetResponses(OpenApiOperation operation)
             if (Context.Settings.ShowLinks)
             {
                 links = Context.CreateLinks(entityType: Singleton.EntityType(), entityName: Singleton.Name,
-                        entityKind: Singleton.ContainerElementKind.ToString(), parameters: operation.Parameters);
+                        entityKind: Singleton.ContainerElementKind.ToString(), parameters: PathParameters);
             }
 
             if (schema == null)