public List <TPlus24hrData> GetTPlus24HrData()
{
var htmlDoc = new HtmlDocument();
var chromeOptions = new ChromeOptions();
chromeOptions.AddArguments("headless");
using (var browser = new ChromeDriver(chromeOptions))
{
browser.Url = @"https://www.weather.gov/slc/winter#tab-2";
var source = browser.PageSource;
htmlDoc.LoadHtml(source);
}
//find snowtable node
var snowTableNode = htmlDoc.GetElementbyId(WeatherGov_SnowTable_Id);
//find timestamp node
var timeStampNode = htmlDoc.GetElementbyId(WeatherGov_Timestamp_Id);
var timeStampWords = timeStampNode.InnerText.Split(" ");
TPlus24hrData.RangeStartTime = DateTime.TryParse(timeStampWords[0] + " 05:00:00 AM", out DateTime timestamp1) ? timestamp1 : DateTime.UnixEpoch;
TPlus24hrData.RangeStopTime = DateTime.TryParse(timeStampWords[3] + " 05:00:00 AM", out DateTime timestamp2) ? timestamp2 : DateTime.UnixEpoch;
List <TPlus24hrData> data = new List <TPlus24hrData>();
foreach (KeyValuePair <string, string> resort_value in WeatherGov_Resorts_Values)
{
TPlus24hrData datum = new TPlus24hrData
{
ResortName = resort_value.Key
};
//find resort node
var resortNode = snowTableNode.Descendants("td").Where(d => d.InnerText == resort_value.Value).First();
//find 24 hr snow data
var snow24Node = resortNode.NextSibling.NextSibling;
string snow24Text = snow24Node.InnerHtml;
datum.Snow24hr_in = int.TryParse(snow24Text, out int temp1) ? temp1 : 0;
//timestamp this sample
datum.SampledTime = DateTime.Now;
data.Add(datum);
}
return(data);
}
public string ToHtml()
{
var builder = new StringBuilder();
builder.Append("<html>");
builder.AppendLine();
builder.Append("<head>");
builder.AppendLine();
builder.Append("<style>");
builder.AppendLine();
builder.Append("table, th, td {");
builder.AppendLine();
builder.Append("border: 1px solid black;");
builder.AppendLine();
builder.Append("border-collapse: collapse;");
builder.AppendLine();
builder.Append("}");
builder.AppendLine();
builder.Append("</style>");
builder.AppendLine();
builder.Append("</head>");
builder.AppendLine();
builder.Append("<body>");
builder.AppendLine();
builder.Append("<h2>");
builder.AppendLine();
builder.Append(TimeStamp.ToString());
builder.Append("</h2>");
builder.AppendLine();
builder.AppendLine();
builder.AppendLine();
builder.Append(TMinus24hrData.HtmlHeader());
foreach (var tMinusData in TMinus24HrData)
{
if (tMinusData.IsValid())
{
builder.Append(tMinusData.ToHtml());
}
}
builder.Append(TMinus24hrData.HtmlFooter());
builder.AppendLine();
builder.AppendLine();
builder.Append(TPlus24hrData.HtmlHeader());
foreach (var tPlusData in TPlus24HrData)
{
if (tPlusData.IsValid())
{
builder.Append(tPlusData.ToHtml());
}
}
builder.Append(TPlus24hrData.HtmlFooter());
builder.Append("</body></html>");
return(builder.ToString());
}