Add ProductsProfile mapping for categories response

src/BackOffice.BFF.WebApi/Common/Mappings/ProductsProfile.cs

@@ -0,0 +1,27 @@
+namespace BackOffice.BFF.WebApi.Common.Mappings;
+
+using BackOffice.BFF.Application.ProductsCQ.Queries.GetCategories;
+using BackOffice.BFF.Products.Protobuf.Protos.Products;
+
+public class ProductsProfile : IRegister
+{
+    void IRegister.Register(TypeAdapterConfig config)
+    {
+        // Map GetCategories response DTO (application layer) to protobuf response (BFF products contract)
+        config.NewConfig<GetCategoriesResponseDto, GetCategoriesResponse>()
+            .MapWith(src => new GetCategoriesResponse
+            {
+                Items =
+                {
+                    (src.Items ?? Enumerable.Empty<CategoryItemDto>())
+                        .Select(x => new CategoryItem
+                        {
+                            Id = x.Id,
+                            Title = x.Title ?? string.Empty,
+                            Selected = x.Selected
+                        })
+                }
+            });
+    }
+}
+