feat: add GetAvailableWeeks query and update protobuf imports

src/BackOffice.BFF.Application/DiscountOrderCQ/Commands/PlaceOrder/PlaceOrderCommandHandler.cs

@@ -1,5 +1,5 @@
-using BackOffice.BFF.DiscountOrder.Protobuf.Protos.DiscountOrder;
-using Mapster;
+
+using CMSMicroservice.Protobuf.Protos.DiscountOrder;
 
 namespace BackOffice.BFF.Application.DiscountOrderCQ.Commands.PlaceOrder;
 
@@ -14,10 +14,10 @@ public class PlaceOrderCommandHandler : IRequestHandler<PlaceOrderCommand, Place
 
     public async Task<PlaceOrderResponseDto> Handle(PlaceOrderCommand request, CancellationToken cancellationToken)
     {
-        var grpcRequest = TypeAdapter.Adapt(request, request.GetType(), typeof(PlaceOrderRequest)) as PlaceOrderRequest;
+        var grpcRequest = request.Adapt<PlaceOrderRequest>();
 
         var response = await _context.DiscountOrders.PlaceOrderAsync(grpcRequest, cancellationToken: cancellationToken);
 
-        return TypeAdapter.Adapt(response, response.GetType(), typeof(PlaceOrderResponseDto)) as PlaceOrderResponseDto;
+        return response.Adapt<PlaceOrderResponseDto>();
     }
 }