// Get the orders asynchronously.
// Returns number of orders updated.
private int GetOrdersAsync(DateTime startDate, DateTime endDate, out bool canceled)
{
canceled = false;
int ordersFetched = 0;
List <AccountType> allAccounts = AccountUtil.GetAllAccounts();
foreach (AccountType account in allAccounts)
{
StringCollection orderIds = EbayTransactionBiz.GetAllOrderIds(account, startDate, endDate);
StringCollection newOrderIds = new StringCollection();
foreach (String orderId in orderIds)
{
newOrderIds.Add(orderId);
}
int orderNumRetrievePerTime = 1;
int apiCallTimes = newOrderIds.Count / orderNumRetrievePerTime;
bool needExtraCall = (newOrderIds.Count % orderNumRetrievePerTime) != 0;
if (needExtraCall)
{
apiCallTimes += 1;
}
List <EbayTransactionType> allTrans = new List <EbayTransactionType>();
for (int ii = 0; ii < apiCallTimes; ++ii)
{
StringCollection orderIdsLoc = new StringCollection();
for (int jj = ii * orderNumRetrievePerTime; jj < ii * orderNumRetrievePerTime + orderNumRetrievePerTime; ++jj)
{
if (jj > newOrderIds.Count - 1)
{
break;
}
orderIdsLoc.Add(newOrderIds[jj]);
}
TimeFilter timeFilter = new TimeFilter();
timeFilter.TimeFrom = startDate;
timeFilter.TimeTo = endDate;
List <EbayTransactionType> transList = EbayTransactionBiz.GetAllOrders(account, timeFilter, orderIdsLoc);
foreach (EbayTransactionType trans in transList)
{
allTrans.Add(trans);
}
// Update the description and progress on the modal form
// using Control.Invoke. Invoke will run the anonymous
// function to set the label's text on the UI thread.
// Since it's illegal to touch the UI control on the worker
// thread that we're on right now.
int retrievedCount = (ii + 1) * orderNumRetrievePerTime;
if (retrievedCount > newOrderIds.Count)
{
retrievedCount = newOrderIds.Count;
}
String labelHintStr = string.Format("正在从Ebay获取交易信息, 账号 {0}, 共{1}个订单, 已获得{2}个订单信息",
account.ebayAccount,
newOrderIds.Count,
retrievedCount);
int progressBarValue = (int)((double)(ii + 1) / apiCallTimes * 100);
frmProgress.SetLabelHintAndProgressBarValue(labelHintStr, progressBarValue);
foreach (EbayTransactionType trans in allTrans)
{
bool result = EbayTransactionDAL.InsertOrUpdateOneTransaction(trans);
if (result == false)
{
canceled = true;
return(ordersFetched);
}
}
// Periodically check for a Cancellation
// If the user clicks the cancel button, or tries to close
// the progress form the m_fmProgress.Cancel flag will be set to true.
if (frmProgress.Cancel)
{
canceled = true;
return(ordersFetched);
}
} // for (int ii = 0; ii < apiCallTimes; ++ii)
ordersFetched += newOrderIds.Count;
} // foreach (AccountType account in AllAccounts)
canceled = false;
return(ordersFetched);
} // GetOrdersAsync