public IEnumerable<Forecast> GetForecasts(Location location)
{
const int FORECASTLENGTH = 4;
XDocument xmlResponse;
var urlString = String.Format("http://api.yr.no/weatherapi/locationforecast/1.9/?lat={0};lon={1}", location.Lat, location.Lng);
var webRequest = WebRequest.Create(urlString);
using (var response = webRequest.GetResponse())
using (var content = response.GetResponseStream())
using (var reader = new StreamReader(content))
{
xmlResponse = XDocument.Load(content);
}
var alltimes = xmlResponse.Descendants("time");
var currentWeather = alltimes.Take(2);
var forecastList = new List<Forecast>();
forecastList.Add(new Forecast()
{
LocationId = location.Id,
Temperature = currentWeather.Descendants("temperature").First().Attribute("value").Value,
SymbolId = int.Parse(currentWeather.Descendants("symbol").First().Attribute("number").Value),
NederBird = currentWeather.Descendants("precipitation").First().Attribute("value").Value
});
var symbolId = xmlResponse.Descendants("time").Skip(2).Where(d => d.Attribute("to").Value.Contains("12:00")
&& d.Attribute("from").Value.Contains("06:00")
).Select(n => n.Descendants("symbol").First().Attribute("number").Value)
.Take(FORECASTLENGTH).ToArray();
var nederBird = xmlResponse.Descendants("time").Skip(2).Where(d => d.Attribute("to").Value.Contains("12:00")
&& d.Attribute("from").Value.Contains("06:00")
).Select(n => n.Descendants("precipitation").First().Attribute("value").Value)
.Take(FORECASTLENGTH).ToArray();
var temperature = xmlResponse.Descendants("time").Skip(2).Where(d => d.Attribute("to").Value.Contains("12:00")
&& d.Attribute("from").Value.Contains("12:00")
).Select(n => n.Descendants("temperature").First().Attribute("value").Value)
.Take(FORECASTLENGTH).ToArray();
for (int i = 0; i < FORECASTLENGTH; i++)
{
forecastList.Add(new Forecast()
{
NederBird = nederBird[i].ToString(),
LocationId = location.Id,
Temperature = temperature[i].ToString(),
SymbolId = int.Parse(symbolId[i])
});
}
return forecastList;
}
public IEnumerable<Forecast> GetForecast(Location location)
{
if (!location.Forecasts.Any() || (location.Timestamp - DateTime.Now).TotalHours <= 0)
{
RefreshForecasts(location);
location.Timestamp = DateTime.Now.AddHours(1);
_unitOfWork.LocationRepository.Update(location);
_unitOfWork.Save();
return location.Forecasts;
}
else
{
return location.Forecasts;
}
}
public void RefreshForecasts(Location location)
{
foreach (var forecast in location.Forecasts.ToList())
{
_unitOfWork.ForecastRepository.Remove(forecast.Id);
}
var forecasts = _yrWebservice.GetForecasts(location);
// Todo implement validation before insertion
//_dbContextDataAnotationValidation.TryValidate();
foreach (var forecast in forecasts)
{
_unitOfWork.ForecastRepository.Add(forecast);
}
}
