Code-complete v2 vehicle API

PartSource.Api/Controllers/BaseApiController.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace PartSource.Api.Controllers
+{
+    public class BaseApiController : ControllerBase
+    {
+        public ActionResult ApiResponse<T>(T response)
+        {
+            switch (response)
+            {
+                case IList list:
+                    if (list.Count == 0)
+                    {
+                        return NoContent();
+                    }
+                    break;
+
+                default:
+                    if (response == null)
+                    {
+                        return NotFound();
+                    }
+                    break;
+            }
+
+            return Ok(response);
+        }
+    }
+}