public void get_current_weather(WeatherInfo w)
{
string current = _sitereader.current();
if (current == null)
{
throw new Exception("incorrect current weather structure ");
}
XmlDocument pg = new XmlDocument();
pg.LoadXml(current);
XmlNode pgd_current = pg.DocumentElement;
// weather character
string wt = get_weather_type(pgd_current, "./div/a//img");
w.WeatherType = weather_type_encoding.Keys.Contains(wt) ? weather_type_encoding[wt] : WeatherType.Undefined;
#if STATISTICS
if (!stat_weather_type.Keys.Contains(wt))
{
class_name = "link__condition";
XmlNode weather_type = pgd_current.SelectSingleNode($"./div/a/div/div[starts-with(@class, '{class_name}')]");
if (weather_type == null)
{
throw new Exception("incorrect current weather structure-- cant find weather type string");
}
string wts = weather_type.InnerText;
write_statistics(wt, wts);
}
#endif
// air temperature
w.TemperatureHigh = w.TemperatureLow = get_air_temperature(pgd_current, "./div/a//div/span[@class = 'temp__value temp__value_with-unit']");
// wind
w.WindSpeed = null;
XmlNode wind_speed = pgd_current.SelectSingleNode($"./div[@class = 'fact__props']//span[@class = 'wind-speed']");
if (wind_speed == null)
{
throw new Exception("incorrect current weather structure -- cant find wind speed");
}
if (double.TryParse(wind_speed.InnerText.Replace(',', '.').Replace('−', '-').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double windspeed))
{
w.WindSpeed = windspeed;
}
w.WindDirection = WindDirection.Undefined;
XmlNode wind_dir = pgd_current.SelectSingleNode($"./div[@class = 'fact__props']//span[@class = 'fact__unit']/abbr");
if (wind_dir == null)
{
throw new Exception("incorrect current weather structure -- cant find wind direction");
}
string wind_dir_name = wind_dir.InnerText;
if (wind_direction_encoding.Keys.Contains(wind_dir_name))
{
w.WindDirection = wind_direction_encoding[wind_dir_name];
}
// humidity
w.Humidity = null;
XmlNode humidity = pgd_current.SelectSingleNode($"./div[@class = 'fact__props']//div[@class = 'term term_orient_v fact__humidity']/div[@class='term__value']");
if (humidity == null)
{
throw new Exception("incorrect current weather structure -- cant find humidity");
}
if (double.TryParse(humidity.InnerText.Replace(',', '.').Replace('−', '-').Replace('%', ' ').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double hum))
{
w.Humidity = hum;
}
// pressure
w.Pressure = null;
XmlNode pressure = pgd_current.SelectSingleNode($"./div[@class = 'fact__props']//div[@class = 'term term_orient_v fact__pressure']");
if (pressure == null)
{
throw new Exception("incorrect current weather structure -- cant find pressure");
}
if (double.TryParse(pressure.InnerText.Split(' ')[0].Replace(',', '.').Replace('−', '-').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double press))
{
w.Pressure = press;
}
// hourly temperature forecast
var hour_spans = pgd_current.SelectNodes("//span[@class = 'fact__hour-elem']");
if (hour_spans.Count == 0)
{
hour_spans = pgd_current.SelectNodes("//div[@class = 'fact__hour-elem']");
}
foreach (XmlNode hour_span in hour_spans)
{
wt = get_weather_type(hour_span, "./img");
if (!wt.Equals("sunset") && !wt.Equals("sunrise"))
{
ShortWeatherInfo swi = new ShortWeatherInfo();
double? temp = get_air_temperature(hour_span, "./div[@class = 'fact__hour-temp']");
XmlNode hour = hour_span.SelectSingleNode($"./div[@class = 'fact__hour-label']");
if (hour != null && temp.HasValue)
{
if (int.TryParse(hour.InnerText.Trim().Split(':')[0],
NumberStyles.Number, new CultureInfo("en"), out int hr))
{
w.HourlyWeather.Add(new ShortWeatherInfo()
{
Hour = hr,
Temperature = temp.Value,
WeatherType = weather_type_encoding.Keys.Contains(wt) ? weather_type_encoding[wt] : WeatherType.Undefined
});
}
}
}
#if STATISTICS
if (!wt.Equals("sunset") && !wt.Equals("sunrise") && !stat_weather_type.Keys.Contains(wt))
{
string wts = hour_span.SelectSingleNode("@aria-label").Value;
wts = wts.Substring(0, wts.IndexOf(','));
for (int i = 0; i < 3; i++)
{
wts = wts.Substring(wts.IndexOf(' ') + 1);
}
write_statistics(wt, wts);
}
#endif
}
}
private void read_ngs_current_weather(WeatherInfo w)
{
bool success = true;
_succeeded = true;
try
{
string current = _sitereader.current();
if (current == null)
{
throw new Exception("incorrect current weather structure ");
}
XmlDocument pg = new XmlDocument();
pg.LoadXml(current);
XmlNode pgd_current = pg.DocumentElement;
// weather character
string class_name = "icon-weather-big ";
XmlNode icon_weather = pgd_current.SelectSingleNode(string.Format("./div/div[starts-with(@class, '{0}')]", class_name));
if (icon_weather == null)
{
throw new Exception("incorrect current weather structure-- cant find weather type icon");
}
string wt = icon_weather.SelectSingleNode("@class").Value.Substring(class_name.Length);
w.WeatherType = weather_type_encoding.Keys.Contains(wt) ? weather_type_encoding[wt] : WeatherType.Undefined;
XmlNode today = pgd_current.SelectSingleNode("./div[@class = 'today-panel__info__main']");
if (today == null)
{
throw new Exception("incorrect current weather structure -- cant find today weather panel");
}
XmlNode curr = today.SelectSingleNode("./div[starts-with(@class, 'today-panel__info__main__item')]");
if (curr == null)
{
throw new Exception("incorrect current weather structure -- cant find weather panel");
}
// temperature
XmlNode temp = curr.SelectSingleNode("./div/span/span[@class = 'value__main']");
if (temp == null)
{
throw new Exception("incorrect current weather structure -- cant find current temperature");
}
string st = temp.InnerText.Trim().Replace(',', '.').Replace('−', '-');
if (string.IsNullOrEmpty(st))
{
throw new Exception("incorrect current weather structure -- incorrect current temperature string");
}
double t = double.Parse(st, new CultureInfo("en"));
w.TemperatureHigh = w.TemperatureLow = t;
//File.WriteAllText(@"D:\Projects\YetAnotherPictureSlideshow\PictureSlideshowScreensaver\samples\XMLFile2.xml", curr.OuterXml);
// wind
string cn = "icon-small icon-wind-";
XmlNode ei = curr.SelectSingleNode(string.Format("./dl/dd/i[starts-with(@class, '{0}')]", cn));
if (ei == null)
{
throw new Exception("incorrect current weather structure -- cant find wind direction");
}
string wd = ei.SelectSingleNode("@class").Value.Substring(cn.Length);
w.WindDirection = wind_direction_encoding.Keys.Contains(wd) ? wind_direction_encoding[wd] : WindDirection.Undefined;
XmlNode edt = ei.ParentNode.NextSibling;
if (edt == null || edt.Name.ToLower() != "dt")
{
throw new Exception("incorrect structure -- 2.1");
}
string wind = edt.InnerText.TrimStart('\n', '\r', '\t', ' ');
double ws;
if (double.TryParse(wind.Substring(0, wind.IndexOf(' ')), NumberStyles.Number, new CultureInfo("en"), out ws))
{
w.WindSpeed = ws;
}
// pressure
ei = curr.SelectSingleNode("./dl/dd/i[@class = 'icon-small icon-pressure']");
if (ei == null || ei.Name.ToLower() != "i")
{
throw new Exception("incorrect structure -- 2.2");
}
double p;
string pr = ei.SelectSingleNode("@title").Value;
if (double.TryParse(pr.Substring(0, pr.IndexOf(' ')), NumberStyles.Number, new CultureInfo("ru"), out p))
{
w.Pressure = p;
}
// humidity
ei = curr.SelectSingleNode("./dl/dd/i[@class = 'icon-small icon-humidity']");
if (ei == null || ei.Name.ToLower() != "i")
{
throw new Exception("incorrect structure -- 2.3");
}
double h;
string humidity = ei.SelectSingleNode("@title").Value;
if (double.TryParse(humidity.Substring(0, humidity.IndexOf('%')), NumberStyles.Number, new CultureInfo("ru"), out h))
{
w.Humidity = h;
}
}
catch (Exception e)
{
success = false;
_error_descr = e.Message;
string fname = string.Format(@"d:\LOG\{0} -- {1}", DateTime.Now.ToString("yyyy_MM_dd HH-mm-ss"), _error_descr);
}
finally
{
if (!success)
{
lock (_locker)
{
_succeeded = false;
}
}
}
}
