public async Task GetForecastAsync()
{
IsActivityIndicatorVisible = true;
StatusMessage = "Getting current location...";
_cancelSource = new CancellationTokenSource();
Position position = null;
_geolocator.DesiredAccuracy = 50;
await _geolocator.GetPositionAsync(timeout : 10000, cancelToken : _cancelSource.Token, includeHeading : true).ContinueWith(t => {
IsActivityIndicatorVisible = false;
if (t.IsFaulted)
{
IsRefreshButtonVisible = true;
var geolocationException = t.Exception.InnerException as GeolocationException;
if (geolocationException == null)
{
StatusMessage = t.Exception.InnerException.ToString();
}
else
{
StatusMessage = geolocationException.Error.ToString();
}
}
else if (t.IsCanceled)
{
StatusMessage = "Permission denied, please allow the application to access GPS and refresh.";
IsRefreshButtonVisible = true;
}
else
{
position = t.Result;
}
}, scheduler);
if (position != null)
{
IsActivityIndicatorVisible = true;
IsRefreshButtonVisible = false;
LoadingImage = "Sunny.png";
StatusMessage = "Getting weather forecast...";
Forecast = await _forecastService.GetForecastAsync(position);
await _navigation.PopModalAsync();
}
}
private async void GetForecast()
{
var searchCity = string.IsNullOrEmpty(City) ? SelectedCity : City;
try
{
WeatherForecast = await _forecastService.GetForecastAsync(searchCity, Days);
Error = null;
}
catch (Exception ex)
{
WeatherForecast = null;
Error = $"Our application doesn't provide forecast for {searchCity}";
}
finally
{
NotificateView();
}
}
private async Task GetForecastAsync()
{
Loading = true;
var forecasts = await ForecastService.GetForecastAsync();
Forecasts = forecasts.Select(f =>
{
var props = new List <DynamicTableCell>
{
new DynamicTableCell {
Content = f.Date, Classes = "-l"
},
new DynamicTableCell {
Content = f.Temperature, Classes = "-l"
},
new DynamicTableCell {
Content = f.RainChangePercent, Classes = "-r"
},
new DynamicTableCell {
Content = f.RainAmmount, Classes = "-r"
}
};
return(new DynamicTableRow {
Cells = props
});
}).ToList();
GroupedForecast = forecasts.GroupBy(f => f.Date.Date).Select(g =>
{
var group = new DynamicTableGroup
{
Title = $"{g.Key.ToShortDateString()} -> Avg temp (C): {Math.Round(g.Average(f => f.Temperature), 1, MidpointRounding.ToEven)}",
Rows = g.Select(f =>
{
var props = new List <DynamicTableCell>
{
new DynamicTableCell {
Content = f.Date, Classes = "forecast-date -l"
},
new DynamicTableCell {
Content = f.Temperature, Classes = "-l"
},
new DynamicTableCell {
Content = f.RainChangePercent, Classes = "-r"
},
new DynamicTableCell {
Content = f.RainAmmount, Classes = "-r"
}
};
return(new DynamicTableRow {
Cells = props
});
}).ToList()
};
return(group);
}).ToList();
Loading = false;
}
public async Task <IActionResult> Get([FromRoute] string city)
{
return(Ok(await _forecastService.GetForecastAsync(city)));
}
