public void CreateGrouponParticipation(GrouponParticipationDTO model)
{
var activity = _grouponActivityRepository.Get(model.GrouponActivityId);
if (activity == null)
{
throw new Exception("活动内容异常，无法找到指定的活动记录.");
}
if (!activity.IsInProcess())
{
throw new Exception("活动不在进行中.");
}
var objToAdd = new Domains.Aggregates.GrouponParticipation
{
BuyCount = model.BuyCount,
GrouponActivityId = model.GrouponActivityId,
OrderId = model.OrderId,
ParticipateTime = DateTime.Now,
UserId = model.UserId
};
_grouponParticipationRepository.Add(objToAdd);
_dbUnitOfWork.Commit();
objToAdd.ConfirmParticipated();
_eventBus.Commit();
//using (ITransactionCoordinator coordinator = new TransactionCoordinator(_dbUnitOfWork, _eventBus))
//{
// coordinator.Commit();
//}
}
public async Task <GrouponActivityDTO> Get(string id)
{
var result = _grouponActivityRepository.Get(id);
if (result == null)
{
return(null);
}
var participations = _grouponParticipationRepository.GetFiltered(g => g.GrouponActivityId == id);
var ps = new List <GrouponParticipationDTO>();
foreach (var a in participations)
{
var user = await _authServiceProxy.GetUser(a.UserId);
ps.Add(new GrouponParticipationDTO
{
BuyCount = a.BuyCount,
GrouponActivityId = a.GrouponActivityId,
OrderId = a.OrderId,
ParticipateTime = a.ParticipateTime.ToString("yyyy-MM-dd HH:mm"),
UserId = a.UserId,
NickName = user?.NickName,
UserPortraitUrl = user?.PortraitUrl
});
}
;
var creator = await _authServiceProxy.GetUser(result.CreatedBy);
return(new GrouponActivityDTO
{
Id = result.Id,
Count = result.Count,
CreatedBy = result.CreatedBy,
CreatedOn = result.CreatedOn,
End = result.End,
ProductId = result.ProductId,
Start = result.Start,
Status = result.Status,
UnitPrice = result.UnitPrice,
GrouponParticipations = ps,
CreatorName = creator?.NickName,
CreatorPortraitUrl = creator?.PortraitUrl
});
}
public void Handle(GrouponParticipatedEvent evnt)
{
var eventSource = evnt.Source as GrouponParticipation;
var activity = _grouponActivityRepository.Get(eventSource.GrouponActivityId);
if (activity == null)
{
throw new Exception("找不到指定的活动记录。");
}
var buyCount = _grouponParticipationRepository.GetFiltered(o => o.GrouponActivityId == eventSource.GrouponActivityId).Sum(g => g.BuyCount);
if (buyCount >= activity.Count)
{
activity.SetCompleted();
}
_grouponActivityRepository.Update(activity);
_dbUnitOfWork.Commit();
_bus.Publish(evnt);
}
