protected StockData RequestData(JObject json, string timeSeriesKey)
{
bool containAllKeys = json.ContainsKey(META_DATA) && json.ContainsKey(timeSeriesKey);
if (!containAllKeys)
{
log.WarnFormat("{0} or {1} keys are missing in the resulting JSON", META_DATA, timeSeriesKey);
return(null);
}
var metaData = (JObject)json.GetValue(META_DATA);
var timeSeries = json.GetValue(timeSeriesKey);
string symbol = GetValue(metaData, SYMBOL_KEY);
if (string.IsNullOrEmpty(symbol))
{
log.WarnFormat("Missing symbol (key is {0})", SYMBOL_KEY);
return(null);
}
StockData stockData = new StockData(symbol);
foreach (var data in timeSeries.Children <JProperty>())
{
if (!(data.Value is JObject))
{
continue;
}
JObject jdata = (JObject)(data.Value);
try
{
DateTime dateTime = DateTime.ParseExact(data.Name, AV_DATE_FORMAT, CultureInfo.InvariantCulture);
var open = GetDoubleValue(jdata, OPEN_KEY);
var high = GetDoubleValue(jdata, HIGH_KEY);
var low = GetDoubleValue(jdata, LOW_KEY);
var close = GetDoubleValue(jdata, CLOSE_KEY);
var volume = GetLongValue(jdata, VOLUME_KEY);
StockDataItem dataItem = new StockDataItem(dateTime)
{
Open = open,
High = high,
Low = low,
Close = close,
Volume = volume
};
stockData.AddDataItem(dataItem);
}
catch (Exception e)
{
log.ErrorFormat("Exception when parsing json data {0}", e.StackTrace);
}
} // end foreach
return(stockData);
}
