/// <summary>
/// Gets api response for 7 days weather forecast and converts it into JSON object
/// </summary>
private async Task Get7DaysForecast()
{
string uri = "https://api.openweathermap.org/data/2.5/onecall?lat=" + _currentForecast.coord.lat + "&lon=" + _currentForecast.coord.lon +
"&exclude=current,minutely,hourly&units=metric&appid=" + Credentials.OpenWeatherMapApiKey;
try
{
_7DaysApiResponse = await _httpClient.GetStringAsync(uri);
_sevenDaysForecast = JsonConvert.DeserializeObject <SevenDaysForecast>(_7DaysApiResponse);
}
catch (HttpRequestException e)
{
await new MessageDialog(e.Message).ShowAsync();
}
}
public static async void calcvdAsync(bool showaqi)
{
//https://icon-library.net/icon/air-quality-icon-22.html (the air quality icon are from this free website)
//以下獲取個人記錄
if (!CrossConnectivity.Current.IsConnected)
{
while (true)
{
bool v = await new ContentPage().DisplayAlert("Warning", "You are not connected to the Internet, records cannot be updated", "retry", "cancel");
if (!v)
{
return;
}
if (CrossConnectivity.Current.IsConnected)
{
break;
}
}
}
try
{
double cvd_idx = double.NaN;
DB_pdata c;
using (SQLiteConnection dbc = new SQLiteConnection(DB_persondata))
{
dbc.CreateTable <DB_pdata>();
if (dbc.Table <DB_pdata>().ToList().Count == 0)
{
return;
}
c = dbc.Table <DB_pdata>().ToList().First();
}
//以下假期因素
bool isholiday = holiday[DateTime.Now.Month - 1].Contains(DateTime.Now.Day);
//以下空氣污染物
string res = await new HttpClient().GetStringAsync("http://www.smg.gov.mo/smg/airQuality/latestAirConcentration.json");
var stuff = JsonConvert.DeserializeObject <AirQualityResponse>(res);
var aq = new weatherkey()
{
date = DateTime.Parse(stuff.datetime),
CO_level = getwwmean(stuff.pohopolu.HE_CO, stuff.enhopolu.HE_CO, stuff.tchopolu.HE_CO, stuff.tghopolu.HE_CO, stuff.cdhopolu.HE_CO, stuff.khhopolu.HE_CO),
NO2_level = getwwmean(stuff.pohopolu.HE_NO2, stuff.enhopolu.HE_NO2, stuff.tchopolu.HE_NO2, stuff.tghopolu.HE_NO2, stuff.cdhopolu.HE_NO2, stuff.khhopolu.HE_NO2),
PM_10_level = getwwmean(stuff.pohopolu.HE_PM10, stuff.enhopolu.HE_PM10, stuff.tchopolu.HE_PM10, stuff.tghopolu.HE_PM10, stuff.cdhopolu.HE_PM10, stuff.khhopolu.HE_PM10),
PM2_5_level = getwwmean(stuff.pohopolu.HE_PM2_5, stuff.enhopolu.HE_PM2_5, stuff.tchopolu.HE_PM2_5, stuff.tghopolu.HE_PM2_5, stuff.cdhopolu.HE_PM2_5, stuff.khhopolu.HE_PM2_5),
O3_level = getwwmean(stuff.pohopolu.HE_O3, stuff.enhopolu.HE_O3, stuff.tchopolu.HE_O3, stuff.tghopolu.HE_O3, stuff.cdhopolu.HE_O3, stuff.khhopolu.HE_O3),
SO2_level = getwwmean(stuff.pohopolu.HE_SO2, stuff.enhopolu.HE_SO2, stuff.tchopolu.HE_SO2, stuff.tghopolu.HE_SO2, stuff.cdhopolu.HE_SO2, stuff.khhopolu.HE_SO2)
};
//以下溫度
var tmp = await new HttpClient().GetStreamAsync("http://www.smg.gov.mo/smg/latestWeather/e_7daysforecast.xml");
XmlSerializer serializer = new XmlSerializer(typeof(SevenDaysForecast));
SevenDaysForecast items = (SevenDaysForecast)serializer.Deserialize(tmp);
var temps = items.WeatherItem.WeatherForecast[0].Temperature;
var futuretemps = items.WeatherItem.WeatherForecast[1].Temperature;
double todaytemp = (double.Parse(temps.First(x => x.Type == "1").Value) + double.Parse(temps.First(x => x.Type == "2").Value)) / 2;
double futuretemp = (double.Parse(futuretemps.First(x => x.Type == "1").Value) + double.Parse(futuretemps.First(x => x.Type == "2").Value)) / 2;
//以下計算cvd
cvd_idx = calcvd(c, todaytemp, aq, isholiday);
CrossLocalNotifications.Current.Show("CVD Calculated", "Your CVD Index for today is " + (Math.Round(cvd_idx * 10000) / 100).ToString() + "%", 100000);
//以下求空氣質量指數
var web = new HttpClient();
string aqilink = await web.GetStringAsync("http://www.smg.gov.mo/smg/airQuality/ho_api_history.json");
JObject aqi = JObject.Parse(aqilink);
string[] places = new string[] { "en", "tc", "tg", "kh", "po", "cd" };
var aqi0 = aqi["sysdate"].ToObject <DateTime>();
//澳門高密度
var aqi1 = aqi["en"].Children().ToList().Last().ToObject <AQIVal>().value;
//澳門路邊
var aqi2 = aqi["po"].Children().ToList().Last().ToObject <AQIVal>().value;
//氹仔高密度
var aqi3 = aqi["tc"].Children().ToList().Last().ToObject <AQIVal>().value;
//氹仔一般性
var aqi4 = aqi["tg"].Children().ToList().Last().ToObject <AQIVal>().value;
//九澳路邊
var aqi5 = aqi["kh"].Children().ToList().Last().ToObject <AQIVal>().value;
//路環一般性
var aqi6 = aqi["cd"].Children().ToList().Last().ToObject <AQIVal>().value;
double aqia = getwwmean(aqi1, aqi2, aqi3, aqi4, aqi5, aqi6);
// if(showaqi)
CrossLocalNotifications.Current.Show("Air Quality Notice", "The AQI for today is " + aqia.ToString(), 100001);
using (SQLiteConnection savedt = new SQLiteConnection(everydayinfo))
{
savedt.CreateTable <weatherkey>();
savedt.Insert(new weatherkey()
{
date = DateTime.Now, CVD_idx = cvd_idx, AQI_idx = aqia, todaytemp = todaytemp, futuretemp = futuretemp
});
}
}catch (Exception EX) {
#if DEBUG
CrossLocalNotifications.Current.Show("error", EX.Message + " " + EX.Source);
#endif
}
}
