public async Task <IEnumerable <GrouponParticipationDTO> > Get(string activityId, int pageIndex, int pageSize)
{
var result = new List <GrouponParticipationDTO>();
var participations = _grouponParticipationRepository
.GetFiltered(o => o.GrouponActivityId == activityId)
.Skip((pageIndex - 1) * pageSize)
.Take(pageSize);
foreach (var item in participations)
{
var user = await _authServiceProxy.GetUser(item.UserId);
var nickName = user?.NickName ?? string.Empty;
var userPortraitUrl = user?.PortraitUrl ?? string.Empty;
result.Add(new GrouponParticipationDTO
{
BuyCount = item.BuyCount,
GrouponActivityId = item.GrouponActivityId,
NickName = nickName,
OrderId = item.OrderId,
ParticipateTime = item.ParticipateTime.ToString("yyyy-MM-dd HH:mm"),
UserId = item.UserId,
UserPortraitUrl = userPortraitUrl
});
}
return(result);
}
public async Task <IEnumerable <GrouponActivityDTO> > Get(string productId, string productMark)
{
var ret = new List <GrouponActivityDTO>();
var now = DateTime.Now;
var result = _grouponActivityRepository.GetFiltered(o => (o.ProductId == productId && o.ProductMark == productMark) && o.Status == Domains.Aggregates.ActivityStatus.InProgress && o.Start <= now && o.End >= now);
foreach (var item in result)
{
var participations = _grouponParticipationRepository.GetFiltered(g => g.GrouponActivityId == item.Id).Select(a =>
{
return(new GrouponParticipationDTO
{
BuyCount = a.BuyCount,
GrouponActivityId = a.GrouponActivityId,
OrderId = a.OrderId,
ParticipateTime = a.ParticipateTime.ToString("yyyy-MM-dd HH:mm"),
UserId = a.UserId
});
}).ToList();
var creator = await _authServiceProxy.GetUser(item.CreatedBy);
ret.Add(new GrouponActivityDTO
{
Id = item.Id,
Count = item.Count,
CreatedBy = item.CreatedBy,
CreatedOn = item.CreatedOn,
End = item.End,
ProductId = item.ProductId,
Start = item.Start,
Status = item.Status,
UnitPrice = item.UnitPrice,
GrouponParticipations = participations,
CreatorName = creator?.NickName,
CreatorPortraitUrl = creator?.PortraitUrl
});
}
;
return(ret);
}
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);
}
