/// <summary>
/// 获取支付时使用的Html
/// 交易不存在等错误发生时返回错误信息
/// </summary>
public virtual HtmlString GetPaymentHtml(long transactionId)
{
// 获取交易和支付接口
PaymentTransaction transaction = null;
PaymentApi api = null;
UnitOfWork.ReadData <PaymentTransaction>(r => {
transaction = r.GetById(transactionId);
api = transaction == null ? null : transaction.Api;
var _ = api == null ? null : api.Type; // 在数据库连接关闭前抓取类型
});
// 检查交易和接口是否存在
if (transaction == null)
{
return(BuildErrorHtml(new T("Payment transaction not found")));
}
else if (api == null)
{
return(BuildErrorHtml(new T("Payment api not exist")));
}
// 检查当前登录用户是否可以支付
var result = transaction.Check(c => c.IsPayerLoggedIn);
if (!result.First)
{
return(BuildErrorHtml(result.Second));
}
result = transaction.Check(c => c.IsPayable);
if (!result.First)
{
return(BuildErrorHtml(result.Second));
}
// 调用接口处理器生成支付html
var html = new HtmlString("No Result");
var handlers = api.GetHandlers();
handlers.ForEach(h => h.GetPaymentHtml(transaction, ref html));
return(html);
}
/// <summary>
/// 获取显示交易结果的Html
/// </summary>
public void GetResultHtml(PaymentTransaction transaction, IList <HtmlString> html)
{
// 显示内容
// 根据订单状态显示
// - WaitingBuyerPay: 订单创建成功，请付款
// - WaitingSellerSendGoods: 您已付款成功，请等待卖家发货
// - WaitingBuyerConfirm: 卖家已发货，请在收到货物后确认收货
// - Success: 订单交易成功，感谢您的惠顾
// - Cancelled: 订单已取消
// - Invalid: 订单已作废
// 订单编号: {编号} 订单金额: {金额} 账单金额: {金额}
// [[使用{接口}支付]]
// 获取关联订单
var templateManager = Application.Ioc.Resolve <TemplateManager>();
var sellerOrderManager = Application.Ioc.Resolve <SellerOrderManager>();
var sellerOrder = sellerOrderManager.Get(transaction.ReleatedId ?? Guid.Empty);
if (sellerOrder == null)
{
html.Add(new HtmlString(templateManager.RenderTemplate(
"shopping.order/order_checkout.html", null)));
return;
}
// 可支付时，显示支付按钮跳转到支付页面
// 不可支付时，跳转到订单详情页（按流水号而不是买家订单Id）
var transactionManager = Application.Ioc.Resolve <PaymentTransactionManager>();
var currencyManager = Application.Ioc.Resolve <CurrencyManager>();
html.Add(new HtmlString(templateManager.RenderTemplate(
"shopping.order/order_checkout.html", new {
orderSerial = sellerOrder.Serial,
orderState = sellerOrder.State.ToString(),
orderAmount = currencyManager
.GetCurrency(sellerOrder.Currency).Format(sellerOrder.TotalCost),
transactionAmount = currencyManager
.GetCurrency(transaction.CurrencyType).Format(transaction.Amount),
isPayable = transaction.Check(x => x.IsPayable).First,
apiName = new T(transaction.Api.Name),
paymentUrl = transactionManager.GetPaymentUrl(transaction.Id)
})));
}
/// <summary>
/// 获取显示交易结果的Html
/// </summary>
public override void GetResultHtml(PaymentTransaction transaction, IList <HtmlString> html)
{
// 显示内容
// 如果交易本身不可支付
// - 如果交易已支付，延迟跳转到订单列表
// - 否则显示交易状态信息
// 如果交易本身可支付
// - 如果所有订单可支付，则显示支付按钮
// - 否则显示交易状态信息
var templateManager = Application.Ioc.Resolve <TemplateManager>();
var currencyManager = Application.Ioc.Resolve <CurrencyManager>();
var transactionManager = Application.Ioc.Resolve <PaymentTransactionManager>();
var orderManager = Application.Ioc.Resolve <SellerOrderManager>();
var orderIds = transaction.ReleatedTransactions.Select(t => t.ReleatedId);
var orders = orderManager
.GetMany(o => orderIds.Contains(o.Id))
.Select(o => new {
id = o.Id,
serial = o.Serial,
state = o.State.ToString(),
amount = currencyManager.GetCurrency(o.Currency).Format(o.TotalCost),
payable = o.Check(c => c.CanPay).First
})
.ToList();
html.Add(new HtmlString(templateManager.RenderTemplate(
"shopping.order/order_checkout_merged.html", new {
transactionSerial = transaction.Serial,
transactionState = transaction.State.ToString(),
transactionAmount = currencyManager
.GetCurrency(transaction.CurrencyType).Format(transaction.Amount),
orders = orders,
isPayable = transaction.Check(x => x.IsPayable).First,
isAllOrderPayable = orders.Any() && orders.All(o => o.payable),
apiName = new T(transaction.Api.Name),
paymentUrl = transactionManager.GetPaymentUrl(transaction.Id)
})));
}
