/// <summary>
/// 查询退款信息。
/// </summary>
/// <param name="transactionId">微信交易号。</param>
/// <returns>返回退款信息。</returns>
public virtual async Task <IRefundInfo> GetRefundInfo(ITransactionId transactionId)
{
if (transactionId == null)
{
throw new ArgumentNullException("transactionId");
}
var payData = new Dictionary <string, string>();
payData.Add("appid", AppId);
payData.Add("mch_id", ShopId);
payData.Add("nonce_str", Guid.NewGuid().ToString().Replace("-", ""));
payData.Add("transactionId", transactionId.TransactionId);
payData.Add("sign", GetSignature(payData, ShopKey));
string backData = await HttpHelper.PostHttp(new Uri(QueryPayUrl), Encoding.UTF8.GetBytes(GetXml(payData)), "text/xml", Encoding.UTF8);
XElement root = XDocument.Parse(backData).Element("xml");
if (root.Element("return_code").Value == "FAIL")
{
string errMsg = root.Element("return_msg").Value;
throw new WechatException(errMsg);
}
if (root.Element("result_code").Value == "FAIL")
{
string errMsg = root.Element("err_code").Value;
throw new WechatException(errMsg);
}
IRefundInfo info = GetRefundInfo(root);
return(info);
}
public void SetWith(ITransactionId toCopy)
{
if (toCopy != null)
{
toCopy.GetBlockId(out string bid);
SetWithBlockId(bid);
toCopy.GetTransactionId(out string tid);
SetWithBlockId(tid);
}
}
internal static Guid AddTransaction(ISet <ITransaction> items, DateTime dt, Pecuniam amount,
IVoca note = null, ITransactionId trace = null)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
var t = new Transaction(dt, amount, note)
{
Trace = trace
};
items.Add(t);
return(t.UniqueId);
}
public void SetFrom(ITransactionId from)
{
m_from.SetWith(from);
}
public void GetTransactions(out ITransactionId from, out ITransactionId to)
{
to = m_to;
from = m_from;
}
public void GetTo(out ITransactionId to)
{
to = m_to;
}
/// <summary>
/// Applies a purchase transaction to this credit card.
/// </summary>
/// <returns>
/// True when the card is not expired and
/// the purchase amount <see cref="amount"/>
/// will not cause the total balance to exceed <see cref="Max"/>.
/// </returns>
public override Guid AddPositiveValue(DateTime dt, Pecuniam amount, IVoca note = null, ITransactionId trace = null)
{
if (dt > Cc.ExpDate)
{
return(Guid.Empty);
}
var cBal = GetValueAt(dt);
if (cBal >= Max || cBal + amount >= Max)
{
return(Guid.Empty);
}
return(base.AddPositiveValue(dt, amount, note));
}
public virtual IAccount <Identifier> Credit(Pecuniam amt, IVoca note = null, DateTime?atTime = null, ITransactionId trace = null)
{
var dt = atTime ?? Balance.LastTransaction.AtTime;
if (IsOppositeForm)
{
AddPositiveValue(dt, amt, note, trace);
}
else
{
AddNegativeValue(dt, amt, note, trace);
}
return(this);
}
/// <summary>
/// Applies a payment to the credit card account
/// </summary>
/// <returns>
/// when <see cref="dt"/> is after the expiration date
/// </returns>
public override Guid AddNegativeValue(DateTime dt, Pecuniam amount, IVoca note = null, ITransactionId trace = null)
{
if (dt > Cc.ExpDate)
{
return(Guid.Empty);
}
return(base.AddNegativeValue(dt, amount, note, trace));
}
public void SetFrom(ITransactionId from) => m_fromTransaction.SetWith(from);
public void SetTo(ITransactionId to) => m_toTransaction.SetWith(to);
public void GetTransactions(out ITransactionId from, out ITransactionId to)
{
from = m_fromTransaction;
to = m_toTransaction;
}
public TransactionsRange(ITransactionId fromTransaction, ITransactionId toTransaction)
{
SetFrom(fromTransaction);
SetTo(toTransaction);
}
public void SetWith(ITransactionId toCopy)
{
m_cursor.SetWith(toCopy);
}
public void SetTo(ITransactionId to)
{
m_to.SetWith(to);
}
/// <summary>
/// This is the Accounting name for making a purchase (<see cref="MakePurchase"/>
/// </summary>
public IAccount <Identifier> Credit(Pecuniam amt, IVoca note = null, DateTime?atTime = null, ITransactionId trace = null)
{
var dt = atTime ?? Balance.LastTransaction.AtTime;
AddPositiveValue(dt, amt, note, trace);
return(this);
}
public void GetFrom(out ITransactionId from)
{
from = m_from;
}
public virtual Guid AddPositiveValue(DateTime dt, Pecuniam amount, IVoca note = null, ITransactionId trace = null)
{
if (amount == null)
{
return(Guid.Empty);
}
if (amount == Pecuniam.Zero)
{
return(Guid.Empty);
}
while (DataSet.Any(x => DateTime.Compare(x.AtTime, dt) == 0))
{
dt = dt.AddTicks(1L);
}
return(Transaction.AddTransaction(DataSet, dt, amount.GetAbs(), note, trace));
}
