コード例 #1
0
 bool IWalletInvestorForecastProvider.UpdateForecast(WalletInvestorForecastStrategy strategy, WalletInvestorDataItem item)
 {
     if (Helper == null)
     {
         return(false);
     }
     return(GetForecastFor(strategy, item));
 }
コード例 #2
0
        protected bool GetForecastFor(WalletInvestorForecastStrategy strategy, WalletInvestorDataItem item)
        {
            PortalClient wc = new PortalClient(Helper.Chromium);

            byte[] data = wc.DownloadData(string.Format("https://walletinvestor.com/forecast?currency={0}", item.Name));
            if (data == null)
            {
                return(false);
            }
            HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
            doc.Load(new MemoryStream(data));

            HtmlNode node = doc.DocumentNode.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "") == "currency-desktop-table kv-grid-table table table-hover table-bordered table-striped table-condensed");

            if (node == null)
            {
                return(false);
            }
            HtmlNode        body = node.Element("tbody");
            List <HtmlNode> rows = body.Descendants().Where(n => n.GetAttributeValue("data-key", "") != "").ToList();

            if (rows.Count == 0)
            {
                return(false);
            }
            for (int ni = 0; ni < rows.Count; ni++)
            {
                HtmlNode row            = rows[ni];
                HtmlNode name           = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "0");
                HtmlNode forecast14     = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "1");
                HtmlNode forecast3Month = row.Descendants().FirstOrDefault(n => n.GetAttributeValue("data-col-seq", "") == "2");
                try {
                    string nameText = name.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "") == "detail").InnerText.Trim();
                    if (item.Name != nameText)
                    {
                        continue;
                    }
                    item.Forecast14Day  = Convert.ToDouble(strategy.CorrectString(forecast14.Element("a").InnerText));
                    item.Forecast3Month = Convert.ToDouble(strategy.CorrectString(forecast3Month.Element("a").InnerText));
                    if (item.Forecast14Day < strategy.Day14MinPercent || item.Forecast3Month < strategy.Month3MinPercent)
                    {
                        return(true);
                    }
                    Get7DayForecastFor(item, name.Element("a").GetAttributeValue("href", ""));
                    return(true);
                }
                catch (Exception) {
                    continue;
                }
            }
            return(false);
        }
コード例 #3
0
        bool IWalletInvestorForecastProvider.Initialize(WalletInvestorForecastStrategy strategy)
        {
            if (Helper != null)
            {
                return(true);
            }
            WalletInvestorPortalHelper helper = new WalletInvestorPortalHelper();

            helper.Enter(strategy.Login, strategy.Password);
            if (!helper.WaitUntil(30000, () => helper.State == PortalState.AutorizationDone))
            {
                return(false);
            }
            Helper = helper;
            return(true);
        }