Add validators and services for Product Galleries and Product Tags

- Implemented Create, Delete, Get, and Update validators for Product Galleries.
- Added Create, Delete, Get, and Update validators for Product Tags.
- Created service classes for handling Discount Categories, Discount Orders, Discount Products, Discount Shopping Cart, Product Categories, Product Galleries, and Product Tags.
- Each service class integrates with CQRS for command and query handling.
- Established mapping profiles for Product Galleries.

src/CMSMicroservice.WebApi/Services/DiscountShoppingCartService.cs

@@ -0,0 +1,44 @@
+using CMSMicroservice.Protobuf.Protos.DiscountShoppingCart;
+using CMSMicroservice.WebApi.Common.Services;
+using CMSMicroservice.Application.DiscountShopCQ.Commands.AddToCart;
+using CMSMicroservice.Application.DiscountShopCQ.Commands.RemoveFromCart;
+using CMSMicroservice.Application.DiscountShopCQ.Commands.UpdateCartItemCount;
+using CMSMicroservice.Application.DiscountShopCQ.Commands.ClearCart;
+using CMSMicroservice.Application.DiscountShopCQ.Queries.GetUserCart;
+
+namespace CMSMicroservice.WebApi.Services;
+
+public class DiscountShoppingCartService : DiscountShoppingCartContract.DiscountShoppingCartContractBase
+{
+    private readonly IDispatchRequestToCQRS _dispatchRequestToCQRS;
+
+    public DiscountShoppingCartService(IDispatchRequestToCQRS dispatchRequestToCQRS)
+    {
+        _dispatchRequestToCQRS = dispatchRequestToCQRS;
+    }
+
+    public override async Task<AddToCartResponse> AddToCart(AddToCartRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<AddToCartRequest, AddToCartCommand, AddToCartResponse>(request, context);
+    }
+
+    public override async Task<RemoveFromCartResponse> RemoveFromCart(RemoveFromCartRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<RemoveFromCartRequest, RemoveFromCartCommand, RemoveFromCartResponse>(request, context);
+    }
+
+    public override async Task<UpdateCartItemCountResponse> UpdateCartItemCount(UpdateCartItemCountRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<UpdateCartItemCountRequest, UpdateCartItemCountCommand, UpdateCartItemCountResponse>(request, context);
+    }
+
+    public override async Task<GetUserCartResponse> GetUserCart(GetUserCartRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<GetUserCartRequest, GetUserCartQuery, GetUserCartResponse>(request, context);
+    }
+
+    public override async Task<Empty> ClearCart(ClearCartRequest request, ServerCallContext context)
+    {
+        return await _dispatchRequestToCQRS.Handle<ClearCartRequest, ClearCartCommand>(request, context);
+    }
+}