public async Task <bool> Handle(DeleteCircleCommand request, CancellationToken cancellationToken)
{
var circle = await _circleRepository.GetCircleWithPostsAsync(request.Id);
if (circle == null)
{
throw new ClientException("圈子不存在");
}
var myId = Guid.Parse(_httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value);
circle.Delete(myId);
_circleRepository.Remove(circle);
return(await _circleRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken));
}