public Block CreateNewBlock(Database.Client miner, Database.Order order)
{
Block block = new Block()
{
Nonce = new Random().Next(1, 9999),
PreviousHash = GetLatestBlock().CurrentHash,
Mapping = new Dictionary <string, decimal>(),
Miner = miner.PublicKey,
Data = ObjectToString(order),
Transactions = new List <Transaction>(),
Difficulty = Difficulty,
TimeStamp = DateTime.UtcNow,
};
block.CurrentHash = BlockHash(block);
if (Mine(block))
{
block.Mapping.Add("StorageChain", Storage);
block.Mapping.Add($"{miner.PublicKey}", miner.Wallet);
block.Signature = SignBlock(block, miner);
AddBlock(block);
return(block);
}
else
{
return(null);
}
}
/// <summary>
/// 按卖家分别创建订单
/// </summary>
protected virtual void CreateOrdersBySellers()
{
var orderManager = Application.Ioc.Resolve <OrderManager>();
var userRepository = RepositoryResolver.Resolve <User>(Context);
var productRepository = RepositoryResolver.Resolve <Product>(Context);
var orderRepository = RepositoryResolver.Resolve <Database.Order>(Context);
var transactionRepository = RepositoryResolver
.ResolveRepository <PaymentTransactionRepository>(Context);
var products = new Dictionary <long, Product>();
var groupedProductParameters = Parameters.OrderProductParametersList.Select(p => new {
productParameters = p,
product = products.GetOrCreate(p.ProductId, () => productRepository.GetById(p.ProductId))
}).GroupBy(p => (p.product.Seller == null) ? null : (long?)p.product.Seller.Id).ToList();
var now = DateTime.UtcNow;
foreach (var group in groupedProductParameters)
{
// 计算订单的价格
// 支付手续费需要单独提取出来
var orderPrice = orderManager.CalculateOrderPrice(
Parameters.CloneWith(group.Select(o => o.productParameters).ToList()));
var paymentFee = orderPrice.Parts.FirstOrDefault(p => p.Type == "PaymentFee");
orderPrice.Parts.Remove(paymentFee);
// 生成订单
var order = new Database.Order()
{
Buyer = userRepository.GetById(Parameters.UserId),
BuyerSessionId = Parameters.SessionId,
Seller = (group.Key == null) ? null : userRepository.GetById(group.Key),
State = OrderState.WaitingBuyerPay,
OrderParameters = Parameters.OrderParameters,
TotalCost = orderPrice.Parts.Sum(),
Currency = orderPrice.Currency,
TotalCostCalcResult = orderPrice,
OriginalTotalCostCalcResult = orderPrice,
CreateTime = now,
LastUpdated = now,
StateTimes = new OrderStateTimes()
{
{ OrderState.WaitingBuyerPay, now }
}
};
// 添加关联的订单商品
// 这里会重新计算单价，但应该和之前的计算结果一样
foreach (var obj in group)
{
var unitPrice = orderManager.CalculateOrderProductUnitPrice(
Parameters.UserId, obj.productParameters);
var orderCount = obj.productParameters.MatchParameters.GetOrderCount();
var properties = obj.productParameters.MatchParameters.GetProperties();
var orderProduct = new OrderProduct()
{
Order = order,
Product = obj.product,
MatchParameters = obj.productParameters.MatchParameters,
Count = orderCount,
UnitPrice = unitPrice.Parts.Sum(),
Currency = unitPrice.Currency,
UnitPriceCalcResult = unitPrice,
OriginalUnitPriceCalcResult = unitPrice,
CreateTime = now,
LastUpdated = now
};
// 添加关联的属性
foreach (var productToPropertyValue in obj.product
.FindPropertyValuesFromPropertyParameters(properties))
{
orderProduct.PropertyValues.Add(new Database.OrderProductToPropertyValue()
{
OrderProduct = orderProduct,
Category = obj.product.Category,
Property = productToPropertyValue.Property,
PropertyValue = productToPropertyValue.PropertyValue,
PropertyValueName = productToPropertyValue.PropertyValueName
});
}
order.OrderProducts.Add(orderProduct);
}
// 添加关联的订单留言
var comment = Parameters.OrderParameters.GetOrderComment();
if (!string.IsNullOrEmpty(comment))
{
order.OrderComments.Add(new Database.OrderComment()
{
Order = order,
Creator = order.Buyer,
Side = OrderCommentSide.BuyerComment,
Content = comment,
CreateTime = now
});
}
// 生成订单编号
order.Serial = SerialGenerator.GenerateFor(order);
// 保存订单
orderRepository.Save(ref order);
Result.CreatedOrders.Add(order);
// 创建订单交易
// 因为目前只能使用后台的支付接口，所以收款人应该是null
var paymentApiId = Parameters.OrderParameters.GetPaymentApiId();
var transaction = transactionRepository.CreateTransaction(
OrderTransactionHandler.ConstType, paymentApiId, order.TotalCost,
(paymentFee == null) ? 0 : paymentFee.Delta, order.Currency,
(order.Buyer == null) ? null : (long?)order.Buyer.Id, null, order.Id, order.Serial);
Result.CreatedTransactions.Add(transaction);
}
}
