private Task SetWaitingEntryToStateInternalAsync(CountryKind country, string stockId, HistoricalDataWaitingState state)
{
IHistoricalDataWaitingEntry entry = HistoricalDataWaitingEntryTable.Find(a => a.Country == country &&
string.Equals(a.StockId, stockId, StringComparison.OrdinalIgnoreCase));
if (entry is HistoricalDataWaitingEntry tempEntry)
{
tempEntry.State = state;
}
return(Task.CompletedTask);
}
public Task AddWaitingEntryAsync(CountryKind country, string stockId, DateTime startDate, DateTime endDate)
{
IHistoricalDataWaitingEntry entry = HistoricalDataWaitingEntryTable.Find(a => a.Country == country &&
string.Equals(a.StockId, stockId, StringComparison.OrdinalIgnoreCase));
if (entry != null)
{
return(Task.CompletedTask);
}
entry = new HistoricalDataWaitingEntry(country, stockId, HistoricalDataWaitingState.Waiting, startDate, endDate);
HistoricalDataWaitingEntryTable.Add(entry);
return(Task.CompletedTask);
}
private async Task CoreRunAsync(IHistoricalDataWaitingEntry entry, StockPriceHistoryInsertion insertion, CancellationToken token)
{
DateTime start = DateTime.Now;
WriteToWorkerLog($"Start {entry.StockId}");
if (token.IsCancellationRequested)
{
return;
}
IReadOnlyList <IStockQuoteFromDataSource> records = await YahooDataSource.GetHistoricalQuotesAsync(entry.Country.ConvertToTTStockQuoteSourceCountry(),
entry.StockId,
entry.DataStartDate,
entry.DataEndDate,
WriteToErrorLog)
.ConfigureAwait(false);
if (records == null || records.Count == 0)
{
WriteToWorkerLog($"Data source returned NULL historical data of {entry.Country.GetShortName()}.{entry.StockId}");
return;
}
foreach (IStockQuoteFromDataSource record in records)
{
if (token.IsCancellationRequested)
{
return;
}
// insert records into database
await insertion.InsertToDatabase(record).ConfigureAwait(false);
}
await DatabaseOperations.SetWaitingEntryToDoneAsync(entry.Country, entry.StockId).ConfigureAwait(false);
TimeSpan timeSpan = DateTime.Now - start;
WriteToWorkerLog($"Finish {entry.Country.GetShortName()}.{entry.StockId}. Total time = {timeSpan.TotalSeconds} seconds");
}
