* Added maintaining Products

* Extended DataModels
* Extended API

OrdersManagement/Services/ProductService.cs

@@ -0,0 +1,25 @@
+using FaKrosnoEfDataModel.Dtos;
+
+namespace OrdersManagement.Services;
+
+public class ProductService(IHttpClientFactory httpClientFactory, CustomAuthenticationStateProvider authenticationStateProvider)
+    : ServiceBase<ProductDto>(httpClientFactory, authenticationStateProvider)
+{
+    public async Task<IEnumerable<ProductDto>?> GetProductsByIndexAsync(string indexName)
+    {
+        try
+        {
+            return await GetListAsync($"api/Product/by-index?indexName={indexName}");
+        }
+        catch (HttpRequestException ex)
+        {
+            Console.WriteLine($"Błąd HTTP w GetProductsByIndexAsync: {ex.Message}");
+            return null;
+        }
+    }
+
+    public async Task<HttpResponseMessage> UpdateProductAsync(ProductDto product)
+    {
+        return await PutAsJsonAsync("api/Product", product);
+    }
+}