Add CRUDs and validation/controllers

src/Imprink.Application/Domains/Products/DeleteProductHandler.cs

@@ -0,0 +1,35 @@
+using MediatR;
+
+namespace Imprink.Application.Domains.Products;
+
+public class DeleteProductCommand : IRequest<bool>
+{
+    public Guid Id { get; set; }
+}
+
+public class DeleteProductHandler(IUnitOfWork unitOfWork) : IRequestHandler<DeleteProductCommand, bool>
+{
+    public async Task<bool> Handle(DeleteProductCommand request, CancellationToken cancellationToken)
+    {
+        await unitOfWork.BeginTransactionAsync(cancellationToken);
+        
+        try
+        {
+            var exists = await unitOfWork.ProductRepository.ExistsAsync(request.Id, cancellationToken);
+            if (!exists)
+            {
+                await unitOfWork.RollbackTransactionAsync(cancellationToken);
+                return false;
+            }
+
+            await unitOfWork.ProductRepository.DeleteAsync(request.Id, cancellationToken);
+            await unitOfWork.CommitTransactionAsync(cancellationToken);
+            return true;
+        }
+        catch
+        {
+            await unitOfWork.RollbackTransactionAsync(cancellationToken);
+            throw;
+        }
+    }
+}