public List <StockInfo> LoadData(string symbol)
{
string uri = string.Format(URI, symbol, startOfYear);
var stocks = new List <StockInfo>();
try
{
using (var web = new WebClient())
{
string data = web.DownloadString(uri);
string[] rows = data.Trim().Split('\n');
for (int i = 1; i < rows.Length; i++)
{
var cols = rows[i].Split(',');
var stock = StockInfo.Create(symbol, rows[i]);
if (stock != null)
{
stocks.Add(stock);
}
}
// save to csv file
using (var writer = new StreamWriter(string.Format("data/{0}.csv", symbol), false))
{
writer.Write(data);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(stocks);
}
private async Task Update()
{
var t = RefreshTimeSpan;
try
{
while (true)
{
var addlist = new List <StockInfo>();
var deletelist = new List <StockInfo>();
var s = _stockAgent.GetAllStocks();
lock (this)
{
s.ForEach(x =>
{
var ss = StockInfoList.FirstOrDefault(y => y.StockId == x.StockId);
if (ss != null)
{
ss.Update(x);
}
else
{
var si = new StockInfo();
si.Create(_stockAgent.GetStock(x.StockId, DateTime.Now));
si.Update(x);
addlist.Add(si);
}
});
StockInfoList.ForEach(x =>
{
var ss = s.FirstOrDefault(y => y.StockId == x.StockId);
if (ss == null)
{
deletelist.Add(x);
}
});
addlist.ForEach(x => StockInfoList.Add(x));
deletelist.ForEach(x => StockInfoList.Remove(x));
SortStockInfoList();
}
await Task.Delay(t);
}
}
catch (Exception e)
{
await _dialogService.ShowError(e, "错误", "确定", null);
}
}
public List <StockInfo> LoadData(string symbol)
{
string path = string.Format("data/{0}.csv", symbol);
var stocks = new List <StockInfo>();
using (var reader = new StreamReader(path))
{
string data = reader.ReadToEnd();
string[] rows = data.Trim().Split('\n');
for (int i = 1; i < rows.Length; i++)
{
var stock = StockInfo.Create(symbol, rows[i]);
if (stock != null)
{
stocks.Add(stock);
}
}
}
return(stocks);
}
static async Task Main(string[] args)
{
var tickersLimit = -1;
var showHelp = false;
var p = new OptionSet()
{
{ "h|?|help", v => { showHelp = v != null; } },
{ "l|limit=", v => { int.TryParse(v, out tickersLimit); } },
};
List <string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException e)
{
Console.Write("greet: ");
Console.WriteLine(e.Message);
Console.WriteLine("Try `greet --help' for more information.");
return;
}
if (showHelp)
{
ShowHelp(p);
return;
}
var output = GetOutput();
var config = await GetTokensAsync();
if (config == null)
{
throw new ArgumentNullException();
}
var tinkoffToken = config.Tinkoff.Tokens?.FirstOrDefault();
if (tinkoffToken == null)
{
throw new ArgumentNullException();
}
var stockMarket = GetStockMarket(tinkoffToken, output);
var fileStorage = GetFileStorage();
var dbStorage = GetDbStorage(config);
var financeDataProviders = GetFinanceDataProviders(output, config);
var financeDataManager = GetFinanceDataManager(output, financeDataProviders, dbStorage);
var stockInfoCache = GetStockInfoCache();
var tickers = await stockMarket.GetTickersAsync();
var n = tickers.Length;
var stockInfos = new List <StockInfo>();
var stockInfosFromCache = await stockInfoCache.GetAllAsync();
if (tickersLimit > 0)
{
output.Publish($"tickers limit = {tickersLimit}");
}
var tryCount = 0;
if (tickersLimit < 0)
{
output.Publish($"Fill data");
await financeDataManager.FillData(tickers);
}
for (int i = 0; i < n; i++)
{
if (i == tickersLimit)
{
break;
}
var ticker = tickers[i];
output.Publish($"{ticker} {i}/{n}");
try
{
var stockInfo = stockInfosFromCache.FirstOrDefault(x => x.Ticker == ticker);
if (stockInfo == null)
{
var companyInfo = await financeDataManager.GetCompanyInfoAsync(ticker);
stockInfo = StockInfo.Create(
ticker,
companyInfo.Industry,
companyInfo.CompanyName,
companyInfo.Logo,
companyInfo.CurrentPrice,
companyInfo.PriceTarget,
companyInfo.Recommendations);
await stockInfoCache.SaveAsync(stockInfo);
}
stockInfos.Add(stockInfo);
}
catch (System.Net.Http.HttpRequestException ex)
{
if (tryCount > 3)
{
return;
}
output.Publish($"{ticker} {i}/{n} else one try");
await Task.Delay(2000);
i--;
tryCount++;
}
tryCount = 0;
}
await fileStorage.CreateReportAsync(stockInfos.ToArray());
await stockInfoCache.ClearAsync();
output.Publish($"report saved");
}