private void extract_current_weather(XmlNode node)
{
WeatherInfo w = new WeatherInfo
{
TemperatureLow = double.Parse(node["temp_c"].InnerText),
TemperatureHigh = double.Parse(node["temp_c"].InnerText),
Pressure = double.Parse(node["pressure_mb"].InnerText) * 0.75006375541921,
WindSpeed = double.Parse(node["wind_kph"].InnerText) / 3.6,
WeatherType = weather_type_encoding.Keys.Contains(node["icon"].InnerText) ? weather_type_encoding[node["icon"].InnerText] : WeatherType.Undefined
};
string hum = node["relative_humidity"].InnerText;
hum = hum.Substring(0, hum.IndexOf('%'));
w.Humidity = double.Parse(hum);
// WindDirection = wind_direction_encoding.Keys.Contains(node["wind_direction"].InnerText) ? wind_direction_encoding[node["wind_direction"].InnerText] : WindDirection.Undefined,
double wind_degrees = double.Parse(node["wind_degrees"].InnerText);
foreach (var d in wind_direction_degrees.Keys)
{
if (wind_degrees >= d - 22.5 / 2.0 && wind_degrees < d + 22.5 / 2.0)
{
w.WindDirection = wind_direction_degrees[d];
break;
}
}
}
protected override void read_current_weather()
{
WeatherInfo w = new WeatherInfo();
read_nsu_current_temp(w);
read_ngs_current_weather(w);
lock (_locker)
{
_weather.Clear();
_weather[WeatherPeriod.Now] = w;
}
}
internal void get_nsu_current_temp(WeatherInfo w)
{
string st = _sitereader.temperature();
if (st != null || !st.Contains("°"))
{
CultureInfo culture = new CultureInfo("en");
double t = double.Parse(st.Substring(0, st.IndexOf("°")), culture);
w.TemperatureLow = w.TemperatureHigh = t;
}
else
{
throw new Exception("incorrect NSU current temperature");
}
}
public void get_forecast(Dictionary <WeatherPeriod, WeatherInfo> weather)
{
string forecast = _sitereader.forecast();
if (forecast == null)
{
throw new Exception("incorrect current weather structure ");
}
XmlDocument pg = new XmlDocument();
pg.LoadXml(forecast);
XmlNode pgd_forecast = pg.DocumentElement;
var day_divs = pgd_forecast.SelectNodes("//div[@class = 'card']");
if (day_divs.Count == 0)
{
day_divs = pgd_forecast.SelectNodes("//article[@class = 'card']");
}
int day_period = 0;
for (int day = 0; day < day_divs.Count; day++)
{
XmlNode day_div = day_divs[day];
var table_rows = day_div.SelectNodes("./dd[@class='forecast-details__day-info']/table[@class = 'weather-table']/tbody[@class = 'weather-table__body']/tr[@class = 'weather-table__row']");
if (table_rows.Count == 0)
{
table_rows = day_div.SelectNodes("./div[@class='forecast-details__day-info']/table[@class = 'weather-table']/tbody[@class = 'weather-table__body']/tr[@class = 'weather-table__row']");
}
for (int period = 0; period < 4; period++) // утро, день, вечер, ночь
{
XmlNode row = table_rows[period];
WeatherInfo w = new WeatherInfo();
get_daypart_weather(row, w);
if (day_period < day_periods.Length)
{
weather[day_periods[day_period]] = w;
}
day_period++;
}
}
}
private WeatherInfo get_current_weather()
{
Trace.WriteLine(">>> get_current_weather()");
bool success = true;
_succeeded = true;
lock (_locker)
{
if (_extractor == null)
{
return(null);
}
}
try
{
var wi = new WeatherInfo();
_extractor.get_current_weather(wi);
return(wi);
}
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;
}
}
}
return(null);
}
private void read_nsu_current_temp(WeatherInfo w)
{
bool success = false;
try
{
string st = _sitereader.temperature();
if (st != null || !st.Contains("°"))
{
success = true;
CultureInfo culture = new CultureInfo("en");
double t = double.Parse(st.Substring(0, st.IndexOf("°")), culture);
lock (_locker)
{
w.TemperatureLow = w.TemperatureHigh = t;
_succeeded = true;
}
}
}
catch (Exception e)
{
success = false;
_error_descr = e.Message;
}
finally
{
if (!success)
{
lock (_locker)
{
_succeeded = false;
}
}
}
try
{
_sitereader.getrest();
}
catch (Exception)
{
}
}
private WeatherInfo get_nsu_current_temp()
{
bool success = true;
lock (_locker)
{
if (_extractor == null)
{
return(null);
}
}
try
{
WeatherInfo wi = new WeatherInfo();
_extractor.get_nsu_current_temp(wi);
return(wi);
}
catch (Exception e)
{
success = false;
_error_descr = e.Message;
}
finally
{
if (!success)
{
lock (_locker)
{
_succeeded = false;
}
}
}
return(null);
}
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 get_daypart_weather(XmlNode row, WeatherInfo w)
{
// type
string wt = get_weather_type(row, "./td/img", "icon icon_thumb_");
w.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 = row.SelectSingleNode("./td[@class = 'weather-table__body-cell weather-table__body-cell_type_condition']").InnerText;
write_statistics(wt, wts);
}
#endif
// temperature
var air_temps = row.SelectNodes("./td//div/span[@class='temp__value temp__value_with-unit']");
if (air_temps.Count >= 2)
{
w.TemperatureLow = get_air_temperature(air_temps[0]);
w.TemperatureHigh = get_air_temperature(air_temps[1]);
}
else if (air_temps.Count == 1)
{
w.TemperatureLow = w.TemperatureHigh = get_air_temperature(air_temps[0]);
}
else
{
throw new Exception("incorrect forecast structure-- cant find temperature ");
}
// pressure
var pressure = row.SelectSingleNode("./td[@class = 'weather-table__body-cell weather-table__body-cell_type_air-pressure']");
if (pressure == null)
{
throw new Exception("incorrect forecast structure-- cant find pressure");
}
if (double.TryParse(pressure.InnerText.Replace(',', '.').Replace('−', '-').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double press))
{
w.Pressure = press;
}
// humidity
var humidity = row.SelectSingleNode("./td[@class = 'weather-table__body-cell weather-table__body-cell_type_humidity']");
if (humidity == null)
{
throw new Exception("incorrect forecast structure-- cant find humidity");
}
if (double.TryParse(humidity.InnerText.Replace(',', '.').Replace('−', '-').Replace('%', ' ').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double humi))
{
w.Humidity = humi;
}
// wind
w.WindDirection = WindDirection.Undefined;
w.WindSpeed = 0.0;
XmlNode wind_speed = row.SelectSingleNode("./td//div//span[@class = 'wind-speed']");
if (wind_speed != null)
{
if (double.TryParse(wind_speed.InnerText.Replace(',', '.').Replace('−', '-').Trim(),
NumberStyles.Number, new CultureInfo("en"), out double windspeed))
{
w.WindSpeed = windspeed;
}
XmlNode wind_dir = row.SelectSingleNode($"./td//div[@class = 'weather-table__wind-direction']/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];
}
}
else
{
// may be it is штиль?
wind_speed = row.SelectSingleNode("./td//div//span[@class = 'weather-table__wind']");
if (wind_speed == null || !wind_speed.InnerText.Equals("Штиль"))
{
throw new Exception("incorrect forecast structure -- cant find wind speed");
}
}
}
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;
}
}
}
}
private bool extract_day_forecast(int day, XmlNode tr)
{
XmlNode tc = tr.SelectSingleNode("./td[@class='elements__section-day']");
if (tc == null)
{
_error_descr = "cant find day " + day.ToString();
return(false);
}
// check day of month
XmlNodeList spans = tc.SelectNodes("./div/span");
if (spans.Count != 1)
{
_error_descr = "incorrect days in day" + day.ToString();
return(false);
}
string dt = spans[0].InnerText;
int di;
if (!int.TryParse(dt.Substring(0, dt.IndexOf(' ')), out di))
{
di = 0;
}
if ((DateTime.Now + TimeSpan.FromDays(day)).Day != di)
{
_error_descr = "incorrect day";
return(false);
}
// day's periods
XmlNodeList period_divs = tr.SelectCellDivs("elements__section-daytime");
// temperature
XmlNodeList temperature_divs = tr.SelectCellDivs("elements__section-temperature");
if (temperature_divs.Count != period_divs.Count)
{
throw new Exception(string.Format("incorrect temperature count in day {0}", day));
}
// weather type
XmlNodeList weather_divs = tr.SelectCellDivs("elements__section-weather");
if (weather_divs.Count != period_divs.Count)
{
throw new Exception(string.Format("incorrect weather type count in day {0}", day));
}
// wind
XmlNodeList wind_divs = tr.SelectCellDivs("elements__section-wind");
if (wind_divs.Count != period_divs.Count)
{
throw new Exception(string.Format("incorrect wind count in day {0}", day));
}
// pressure
XmlNodeList pressure_divs = tr.SelectCellDivs("elements__section-pressure");
if (pressure_divs.Count != period_divs.Count)
{
throw new Exception(string.Format("incorrect pressure count in day {0}", day));
}
// humidity
XmlNodeList humidity_divs = tr.SelectCellDivs("elements__section-humidity");
if (humidity_divs.Count != period_divs.Count)
{
throw new Exception(string.Format("incorrect humidity count in day {0}", day));
}
int pcount = period_divs.Count;
for (int period = 0; period < pcount; period++)
{
WeatherInfo w = new WeatherInfo();
// weather period
string pname = period_divs[period].InnerText;
if (!_day_periods[day].Keys.Contains(pname))
{
throw new Exception("invalid period name");
}
WeatherPeriod wp = _day_periods[day][pname];
// temperature
string temperature_s = temperature_divs[period].InnerText.Trim().Replace('−', '-');
w.TemperatureLow = w.TemperatureHigh = int.Parse(temperature_s);
// weather type
string cn = "icon-weather icon-weather-";
XmlNode e = weather_divs[period].SelectSingleNode("./i");
if (e == null)
{
throw new Exception("cant find weather type");
}
string wt = e.SelectSingleNode("@class").Value.Substring(cn.Length);
if (wt.IndexOf(' ') != -1)
{
wt = wt.Substring(0, wt.IndexOf(' '));
}
w.WeatherType = weather_type_encoding.Keys.Contains(wt) ? weather_type_encoding[wt] : WeatherType.Undefined;
if (w.WeatherType == WeatherType.Undefined)
{
int i = 0;
}
// wind
cn = "icon-small icon-wind-";
e = wind_divs[period].SelectSingleNode("./i");
if (e == null)
{
throw new Exception("cant find wind direction");
}
string wd = e.SelectSingleNode("@class").Value.Substring(cn.Length);
if (wd.IndexOf(' ') != -1)
{
wd = wd.Substring(0, wd.IndexOf(' '));
}
w.WindDirection = wind_direction_encoding.Keys.Contains(wd) ? wind_direction_encoding[wd] : WindDirection.Undefined;
string ws = wind_divs[period].InnerText.TrimStart('\n', '\r', '\t', ' ');
ws = ws.Substring(0, ws.IndexOf(' '));
w.WindSpeed = int.Parse(ws);
// pressure
string pr = pressure_divs[period].InnerText.TrimStart('\n', '\r', '\t', ' ');
pr = pr.Substring(0, pr.IndexOf(' '));
w.Pressure = int.Parse(pr);
// humidity
string hu = humidity_divs[period].InnerText;
hu = hu.Substring(0, hu.IndexOf('%'));
w.Humidity = int.Parse(hu);
lock (_locker)
{
_weather[wp] = w;
}
}
return(true);
}
private void startButton_Click(object sender, EventArgs e)
{
if (latitudeTextBox.Text.Length != 0 && longitudeTextBox.Text.Length != 0)
{
string dataWeatherFromUserTown = null;
string dataGeonamesFromUserTown = null;
bool reussite = false;
try
{
// if an exception is raise the program will ask for a town again
dataWeatherFromUserTown = Client.DownloadString(String.Format("http://api.openweathermap.org/data/2.5/weather?lat={0}&lon={1}&appid={2}", latitudeTextBox.Text, longitudeTextBox.Text, IdWeather));
dataGeonamesFromUserTown = Client.DownloadString(String.Format("http://api.geonames.org/timezoneJSON?&lat={0}&lng={1}&username={2}", latitudeTextBox.Text, longitudeTextBox.Text, idGeonames));
Thread.Sleep(300);
reussite = true;
}
catch (WebException ex)
{
MessageBox.Show(string.Format("la ville n'existe pas ou est mal écrite : {0}.", ex.Message));
}
if (reussite)
{
WeatherInfo testDayDuration = JsonConvert.DeserializeObject <WeatherInfo>(dataGeonamesFromUserTown);
this.info = testDayDuration;
changementInfo();
}
}
else if (villeTextBox.Text.Length != 0)
{
string urlTownOpenWeather = String.Format("http://api.openweathermap.org/data/2.5/weather?q={0},fr&appid={1}", villeTextBox.Text, IdWeather);
string rechercheVille = null;
try
{
// if an exception is raise the program will ask for a town again
rechercheVille = Client.DownloadString(urlTownOpenWeather);
Thread.Sleep(300);
MessageBox.Show(rechercheVille);
}
catch (WebException ex)
{
MessageBox.Show(string.Format("la ville n'existe pas ou est mal écrite : {0}.", ex.Message));
}
if (rechercheVille.Length != 0)
{
JObject weatherUserTownJson = JObject.Parse(rechercheVille);
string dataGeonamesFromUserTown = null;
try
{
// if an exception is raise the program will ask for a town again
dataGeonamesFromUserTown = Client.DownloadString(String.Format("http://api.geonames.org/timezoneJSON?&lat={0}&lng={1}&username={2}", double.Parse(weatherUserTownJson.SelectToken("coord.lat").ToString()).ToString(CultureInfo.InvariantCulture), double.Parse(weatherUserTownJson.SelectToken("coord.lon").ToString()).ToString(CultureInfo.InvariantCulture), idGeonames));
Thread.Sleep(300);
}
catch (WebException ex)
{
Console.WriteLine("la ville n'existe pas ou est mal écrite : {0}.", ex.Message);
}
if (dataGeonamesFromUserTown.Length != 0)
{
WeatherInfo testDayDuration = JsonConvert.DeserializeObject <WeatherInfo>(dataGeonamesFromUserTown);
this.info = testDayDuration;
changementInfo();
}
}
}
}
