public async Task <bool> Handle(ChangeCircleOwnerCommand request, CancellationToken cancellationToken)
{
var circle = await _circleRepository.GetCircleWithUsersAsync(request.CircleId);
if (circle == null)
{
throw new ClientException("操作失败", new List <string> {
$"Circle {request.CircleId} dos not exist."
});
}
var myId = Guid.Parse(_httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value);
circle.SetOwner(myId, request.UserId);
if (await _circleRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken))
{
await SendCircleOwnerChangedEventAsync(circle, myId);
return(true);
}
throw new ApplicationException("操作失败");
}