public async Task <CircleViewModel> Handle(CreateCircleCommand request, CancellationToken cancellationToken)
{
var circle = await _circleRepository.GetCircleByNameAsync(request.Name);
if (circle != null)
{
throw new ClientException("圈子名已存在");
}
var myId = Guid.Parse(_httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value);
var circleCount = await _circleRepository.GetUserCircleCount(myId);
if (circleCount >= 5)
{
throw new ClientException("圈子数量已达上限");
}
circle = new Domain.AggregatesModel.CircleAggregate.Circle(request.Name, request.Description, request.VerifyJoin, request.BackgroundImage, myId);
_circleRepository.Add(circle);
if (await _circleRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken))
{
return(await _circleQueries.GetCircleAsync(circle.Id));
}
throw new ApplicationException("操作失败");
}