public async Task CompleteAuctionAndGenerateOrder()
{
var itemsToBeCompletedQuery = _itemAuctioningRepository.GetAll().Where(i => i.Deadline <= DateTime.Now);
var random = new Random();
foreach (var itemAuctioning in itemsToBeCompletedQuery)
{
// get bidding
var bidding = await _biddingRepository.GetAll().Where(b => b.ItemId == itemAuctioning.Id)
.OrderByDescending(b => b.CreationTime).FirstOrDefaultAsync();
if (bidding == null)
{
continue;
}
// get buyer and seller
User buyer = null, seller = null;
if (bidding.CreatorUserId != null)
{
buyer = await _userRepository.GetAsync(bidding.CreatorUserId.Value);
}
if (itemAuctioning.CreatorUserId != null)
{
seller = await _userRepository.GetAsync(itemAuctioning.CreatorUserId.Value);
}
// get address
var address = await _addressRepository.GetAll().Where(a => a.CreatorUserId.Value == buyer.Id && a.IsDefault).FirstOrDefaultAsync();
// create order
if (buyer != null && seller != null)
{
var order = new OrderWaitingForPayment
{
Code = DateTime.Now.Ticks + random.Next(0, 99999).ToString().PadLeft(5, '0'),
//AddressId = address.Id,
Amount = bidding.Price,
ItemPriceAmount = bidding.Price,
BuyerId = buyer.Id,
SellerId = seller.Id,
OrderTime = DateTime.Now,
ItemId = itemAuctioning.Id
};
await _orderRepository.InsertAsync(order);
}
// change item status
var itemComplete = new ItemCompleted
{
Id = itemAuctioning.Id,
Code = itemAuctioning.Code,
PillarId = itemAuctioning.PillarId,
CategoryId = itemAuctioning.CategoryId,
StartPrice = itemAuctioning.StartPrice,
StepPrice = itemAuctioning.StepPrice,
PriceLimit = itemAuctioning.PriceLimit,
StartTime = itemAuctioning.StartTime,
Title = itemAuctioning.Title,
Description = itemAuctioning.Description,
BiddingCount = itemAuctioning.BiddingCount,
HighestBiddingPrice = itemAuctioning.HighestBiddingPrice
};
await _itemCompleteRepository.InsertAsync(itemComplete);
await _itemAuctioningRepository.DeleteAsync(itemAuctioning.Id);
}
}
public async Task CompleteAuction(EntityDto <Guid> input)
{
// get bidding
var itemAuctioning = await _itemAuctioningRepository.FirstOrDefaultAsync(input.Id);
if (itemAuctioning == null)
{
throw new UserFriendlyException("此ID的货品不存在");
}
var bidding = await _biddingRepository.GetAll().Where(b => b.ItemId == itemAuctioning.Id)
.OrderByDescending(b => b.CreationTime).FirstOrDefaultAsync();
if (bidding == null)
{
throw new UserFriendlyException("没有人出价，请手动流拍");
}
// get buyer and seller
User buyer = null, seller = null;
if (bidding.CreatorUserId != null)
{
buyer = await _userRepository.GetAsync(bidding.CreatorUserId.Value);
}
if (itemAuctioning.CreatorUserId != null)
{
seller = await _userRepository.GetAsync(itemAuctioning.CreatorUserId.Value);
}
// get address
var address = await _addressRepository.GetAll().Where(a => a.CreatorUserId.Value == buyer.Id && a.IsDefault).FirstOrDefaultAsync();
// create order
var random = new Random();
if (buyer != null && seller != null)
{
var order = new OrderWaitingForPayment
{
Code = DateTime.Now.Ticks + random.Next(0, 99999).ToString().PadLeft(5, '0'),
BuyerId = buyer.Id,
SellerId = seller.Id,
AddressId = address.Id,
Amount = bidding.Price,
ItemPriceAmount = bidding.Price,
OrderTime = DateTime.Now,
ItemId = itemAuctioning.Id
};
await _orderRepository.InsertAsync(order);
}
// change item status
var itemComplete = new ItemCompleted
{
Id = itemAuctioning.Id,
Code = itemAuctioning.Code,
PillarId = itemAuctioning.PillarId,
CategoryId = itemAuctioning.CategoryId,
StartPrice = itemAuctioning.StartPrice,
StepPrice = itemAuctioning.StepPrice,
PriceLimit = itemAuctioning.PriceLimit,
StartTime = itemAuctioning.StartTime,
Title = itemAuctioning.Title,
Description = itemAuctioning.Description,
BiddingCount = itemAuctioning.BiddingCount,
HighestBiddingPrice = itemAuctioning.HighestBiddingPrice,
Deadline = itemAuctioning.Deadline
};
await _itemCompletedRepository.InsertAsync(itemComplete);
await _itemAuctioningRepository.DeleteAsync(itemAuctioning.Id);
}
