Fix admin route access and backend configuration

- Added /admin redirect to login page in nginx config
- Fixed backend server.js route ordering for proper admin handling
- Updated authentication middleware and routes
- Added user management routes
- Configured PostgreSQL integration
- Updated environment configuration

Sky_Art_shop/Controllers/HomeController.cs

@@ -0,0 +1,64 @@
+using Microsoft.AspNetCore.Mvc;
+using SkyArtShop.Models;
+using SkyArtShop.Services;
+
+namespace SkyArtShop.Controllers
+{
+    public class HomeController : Controller
+    {
+        private readonly MongoDBService _mongoService;
+        private readonly string _settingsCollection = "SiteSettings";
+        private readonly string _productsCollection = "Products";
+        private readonly string _sectionsCollection = "HomepageSections";
+
+        public HomeController(MongoDBService mongoService)
+        {
+            _mongoService = mongoService;
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public async Task<IActionResult> Index()
+        {
+            var settings = await GetSiteSettings();
+            var topProducts = await GetTopSellerProducts();
+            var sections = await GetHomepageSections();
+            
+            ViewBag.Settings = settings;
+            ViewBag.TopProducts = topProducts;
+            ViewBag.Sections = sections;
+            
+            return View();
+        }
+
+        private async Task<SiteSettings> GetSiteSettings()
+        {
+            var settingsList = await _mongoService.GetAllAsync<SiteSettings>(_settingsCollection);
+            return settingsList.FirstOrDefault() ?? new SiteSettings();
+        }
+
+        private async Task<List<Product>> GetTopSellerProducts()
+        {
+            var products = await _mongoService.GetAllAsync<Product>(_productsCollection);
+            return products.Where(p => p.IsTopSeller && p.IsActive).Take(4).ToList();
+        }
+
+        private async Task<List<HomepageSection>> GetHomepageSections()
+        {
+            var sections = await _mongoService.GetAllAsync<HomepageSection>(_sectionsCollection);
+            Console.WriteLine($"Total sections from DB: {sections.Count}");
+            var activeSections = sections.Where(s => s.IsActive).OrderBy(s => s.DisplayOrder).ToList();
+            Console.WriteLine($"Active sections: {activeSections.Count}");
+            foreach (var section in activeSections)
+            {
+                Console.WriteLine($"Section: {section.Title} | Type: {section.SectionType} | Order: {section.DisplayOrder} | Active: {section.IsActive}");
+            }
+            return activeSections;
+        }
+
+        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+        public IActionResult Error()
+        {
+            return View();
+        }
+    }
+}