Fix #4936: add the cookie consent theme control.

Oqtane.Server/Controllers/CookieConsentController.cs

@@ -0,0 +1,34 @@
+using Microsoft.AspNetCore.Mvc;
+using Oqtane.Models;
+using Oqtane.Shared;
+using System;
+using System.Globalization;
+using Oqtane.Infrastructure;
+using Oqtane.Services;
+using System.Threading.Tasks;
+
+namespace Oqtane.Controllers
+{
+    [Route(ControllerRoutes.ApiRoute)]
+    public class CookieConsentController : Controller
+    {
+        private readonly ICookieConsentService _cookieConsentService;
+
+        public CookieConsentController(ICookieConsentService cookieConsentService)
+        {
+            _cookieConsentService = cookieConsentService;
+        }
+
+        [HttpGet("CanTrack")]
+        public async Task<bool> CanTrack()
+        {
+            return await _cookieConsentService.CanTrackAsync();
+        }
+
+        [HttpGet("CreateConsentCookie")]
+        public async Task<string> CreateConsentCookie()
+        {
+            return await _cookieConsentService.CreateConsentCookieAsync();
+        }
+    }
+}