cs11dotnet7/vscode/PracticalApps/Northwind.WebApi/Repositories/ICustomerRepository.cs

using Packt.Shared; // Customer

namespace Northwind.WebApi.Repositories;

public interface ICustomerRepository
{
  Task<Customer?> CreateAsync(Customer c);
  Task<IEnumerable<Customer>> RetrieveAllAsync();
  Task<Customer?> RetrieveAsync(string id);
  Task<Customer?> UpdateAsync(string id, Customer c);
  Task<bool?> DeleteAsync(string id);
}