Allow operation id selector to work for non-CMS API's (#15771)

* Allow OperationIdSelector to work for non CMS APIs

https://github.com/umbraco/Umbraco-CMS/issues/15716

* Fixed condition to be more readable

---------

Co-authored-by: Elitsa <elm@umbraco.dk>

src/Umbraco.Cms.Api.Common/OpenApi/OperationIdSelector.cs

@@ -1,16 +1,36 @@
 using Asp.Versioning;
 using Microsoft.AspNetCore.Mvc.ApiExplorer;
 using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Umbraco.Cms.Core.DependencyInjection;
 using Umbraco.Extensions;
 
 namespace Umbraco.Cms.Api.Common.OpenApi;
 
 public class OperationIdSelector : IOperationIdSelector
 {
+    private readonly UmbracoOperationIdSettings _umbracoOperationIdSettings;
+
+    [Obsolete("Use non obsolete constructor")]
+    public OperationIdSelector() : this(StaticServiceProvider.Instance.GetRequiredService<IOptions<UmbracoOperationIdSettings>>())
+    {
+    }
+
+    public OperationIdSelector(IOptions<UmbracoOperationIdSettings> umbracoOperationIdSettings)
+    {
+        _umbracoOperationIdSettings = umbracoOperationIdSettings.Value;
+    }
+
     public virtual string? OperationId(ApiDescription apiDescription, ApiVersioningOptions apiVersioningOptions)
     {
-        if (apiDescription.ActionDescriptor is not ControllerActionDescriptor controllerActionDescriptor
-            || controllerActionDescriptor.ControllerTypeInfo.Namespace?.StartsWith("Umbraco.Cms.Api") is not true)
+        if (apiDescription.ActionDescriptor is not ControllerActionDescriptor controllerActionDescriptor)
+        {
+            return null;
+        }
+
+        var controllerTypeInfoNamespace = controllerActionDescriptor.ControllerTypeInfo.Namespace;
+        if (controllerTypeInfoNamespace is not null && _umbracoOperationIdSettings.NameSpacePrefixes.Any(prefix => controllerTypeInfoNamespace.StartsWith(prefix)) is false)
         {
             return null;
         }

src/Umbraco.Cms.Api.Common/OpenApi/UmbracoOperationIdSettings.cs

@@ -0,0 +1,16 @@
+namespace Umbraco.Cms.Api.Common.OpenApi;
+
+public class UmbracoOperationIdSettings
+{
+    private HashSet<string> _nameSpacePrefixes = new HashSet<string>()
+    {
+        "Umbraco.Cms.Api"
+    };
+
+    public IReadOnlySet<string> NameSpacePrefixes
+    {
+        get => _nameSpacePrefixes;
+    }
+
+    public bool AddNameSpacePrefix(string prefix) => _nameSpacePrefixes.Add(prefix);
+}