/// <summary>
/// Regard CommandHandler as a kind of application service,
/// we do some query in it and also can publish some application event
/// and no need to enter the domain layer!
/// </summary>
/// <param name="command"></param>
public async Task Handle(Login command)
{
var account = await _DomainRepository.FindAsync <Account>(a => a.UserName.Equals(command.UserName) &&
a.Password.Equals(command.Password))
.ConfigureAwait(false);
if (account == null)
{
throw new SysException(DTO.ErrorCode.WrongUsernameOrPassword);
}
_EventBus.Publish(new AccountLogined {
AccountID = account.ID, LoginTime = DateTime.Now
});
await _UnitOfWork.CommitAsync()
.ConfigureAwait(false);
_CommandContext.Reply = account.ID;
}