Exemplo n.º 1
0
        protected virtual bool GetForecastFor(WalletInvestorDataItem item, WalletInvestorPortalHelper helper)
        {
            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 ri = 0; ri < rows.Count; ri++)
            {
                HtmlNode row            = rows[ri];
                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(CorrectString(forecast14.Element("a").InnerText));
                    item.Forecast3Month = Convert.ToDouble(CorrectString(forecast3Month.Element("a").InnerText));
                    if (item.Forecast14Day < Settings.Min14DayChange || item.Forecast3Month < Settings.Min3MonthChange)
                    {
                        return(true);
                    }
                    Get7DayForecastFor(item, name.Element("a").GetAttributeValue("href", ""), helper);
                    return(true);
                }
                catch (Exception) {
                    continue;
                }
            }
            return(false);
        }
Exemplo n.º 2
0
        private void DownloadDetailedForecast(string coin)
        {
            PortalClient wc = new PortalClient();

            byte[] data = wc.DownloadData(string.Format("https://walletinvestor.com/forecast?currency={0}", coin));
            if (data == null)
            {
                return;
            }
            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;
            }
            HtmlNode        body = node.Element("tbody");
            List <HtmlNode> rows = body.Descendants().Where(n => n.GetAttributeValue("data-key", "") != "").ToList();

            if (rows.Count == 0)
            {
                return;
            }
            foreach (HtmlNode row in rows)
            {
                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 {
                    WalletInvestorDataItem item = new WalletInvestorDataItem()
                    {
                        Name = coin
                    };
                    string nameText = name.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "") == "detail").InnerText.Trim();
                    if (item.Name != nameText)
                    {
                        continue;
                    }
                    item.Description = name.InnerText.Remove(name.InnerText.Length - nameText.Length);

                    item.Forecast14Day  = Convert.ToDouble(CorrectString(forecast14.Element("a").InnerText));
                    item.Forecast3Month = Convert.ToDouble(CorrectString(forecast3Month.Element("a").InnerText));
                    WiItems.Add(item);
                }
                catch (Exception) {
                    continue;
                }
            }
        }