public int Handle(ICommand <int> command)
{
var updateUserCmd = command as UpdateUserCommand;
//Validation
var validator = new UserValidator();
validator.ValidateAndThrow(updateUserCmd.User);
var currentUser = DB.Data.FirstOrDefault(x => x.Id == updateUserCmd.User.Id);
//Idempotent!!
if (currentUser == null)
{
throw new InvalidOperationException("User not found");
}
currentUser.FirstName = updateUserCmd.User.FirstName;
currentUser.LastName = updateUserCmd.User.LastName;
currentUser.EmailAddress = updateUserCmd.User.EmailAddress;
//Rows affected
return(1);
}