public static CSVHandler MakeHandler(String path)
{
using (StreamReader reader = new StreamReader(path))
{
string header = reader.ReadLine();
CSVHandler output = new CSVHandler();
output.path = path;
output.stateNames = new List <String>(header.Split(DELIMITER));
output.stateNames.Remove("Date");
return(output);
}
}
private static async Task MainLoop()
{
while (true)
{
Task <string> scrapeTask = ScrapeAsync();
if (!File.Exists(FILE_PATH))
{
CSVHandler.Create(FILE_PATH);
}
string scrapedPage = await scrapeTask;
HtmlNodeCollection search = FindUsaData(scrapedPage);
if (search.Count != 1)
{
throw new FormatException("Found " + search.Count + "tables??!");
}
else
{
HtmlNode tableBody = search[0].SelectSingleNode("tbody");
List <TableRow> processedHTML = new List <TableRow>();
foreach (HtmlNode row in tableBody.ChildNodes)
{
if (row.Name.Equals("tr"))
{
TableRow processed = TableRow.Parse_tr_Element(row);
processedHTML.Add(processed);
}
}
CSVHandler handler = CSVHandler.MakeHandler(FILE_PATH);
DateTime now = DateTime.Now;
handler.Write(processedHTML, now);
Console.WriteLine($"Finished a scraping at {now}");
await Task.Delay(FOUR_HOURS);
}
}
}