public static async Task GetDataFromDate(DateTime time, IProgress <int> progress, bool saveToFile = true)
{
List <DailyPrice> dataList = new List <DailyPrice>();
int count = 0;
var strFileName = $"{Directory.GetCurrentDirectory()}\\data\\{Utils.GetUnixTime(time).ToString()}.txt";
Console.WriteLine($"Downloading data for {time.Date.ToString()}");
using (var outStream = new StreamWriter(File.Open(strFileName, FileMode.OpenOrCreate)))
{
outStream.AutoFlush = true;
if (Global.StockCodes.Count > 0)
{
for (int idx = 0; idx < Global.StockCodes.Count(); idx++)
{
var stockCode = Global.StockCodes[idx];
if (!String.IsNullOrWhiteSpace(stockCode))
{
string data = await WebMethods.WebGet($"http://finance.vietstock.vn/AjaxData/TradingResult/GetStockData.ashx?scode={stockCode}&_={Utils.GetUnixTime(time).ToString()}");
if (!String.IsNullOrWhiteSpace(data) && data != "[]")
{
outStream.WriteLine(data);
try
{
var des = JsonConvert.DeserializeObject <List <DailyPrice> >(data);
if (!(des == null) && des.Count > 0)
{
dataList.Add(des[0]);
}
}
catch
{
continue;
}
}
count += 1;
progress.Report((int)Math.Floor(((double)count / (double)Global.StockCodes.Count) * 100));
// Console.Write($" \r{count}/{stockCodes.Count} - {stockCode} ");
}
}
}
}
if (!saveToFile)
{
File.Delete(strFileName);
}
ProcessData(dataList);
Global.DataList.AddRange(dataList);
}
public static async Task <DailyPrice> GetSingleStock(string stockCode)
{
string data = await WebMethods.WebGet($"http://finance.vietstock.vn/AjaxData/TradingResult/GetStockData.ashx?scode={stockCode}&_={Utils.GetUnixTime(DateTime.Now).ToString()}");
if (data != null)
{
try
{
var des = JsonConvert.DeserializeObject <List <DailyPrice> >(data);
if (des != null && des.Count > 0)
{
return(des[0]);
}
}
catch
{
return(null);
}
}
return(null);
}