/// <summary>
/// GetLocationsAsync
/// </summary>
/// <returns></returns>
public async Task <Location[]> GetLocationsAsync()
{
if (_cachingManager.GetFromCache(Constants.KEY_CACHE_LOCATIONS) != null)
{
_locations = _cachingManager.GetFromCache(Constants.KEY_CACHE_LOCATIONS) as Location[];
}
else
{
_locations = await ExtractLocations();
_cachingManager.AddToCache(Constants.KEY_CACHE_LOCATIONS, _locations);
}
return(_locations);
}
public JsonResult GetDistance(DistanceInput distanceInput)
{
double distance = 0;
var airportsData = _cachingManager.GetFromCache(Constants.KEY_CACHE_LOCATIONS) as Location[];
if (airportsData == null)
{
return(Json(distance, JsonRequestBehavior.AllowGet));
}
var source = airportsData.First(airport => airport.iata.Equals(distanceInput.SourceAirport));
var destination = airportsData.First(airport => airport.iata.Equals(distanceInput.DestinationAirport));
var sourceCoordinates = new Coordinates();
var destinationCoordinates = new Coordinates();
if (source != null && destination != null)
{
sourceCoordinates = new Coordinates
{
latitude = double.Parse(source.lat),
longitude = double.Parse(source.lon)
};
destinationCoordinates = new Coordinates
{
latitude = double.Parse(destination.lat),
longitude = double.Parse(destination.lon)
};
}
distance = _distanceCalculator.Calculate(sourceCoordinates, destinationCoordinates);
return(Json(distance, JsonRequestBehavior.AllowGet));
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
_customHeaderValue = _cachingManager.GetFromCache(Constants.KEY_CACHE_LOCATIONS) == null ? "true" : "false";
filterContext.HttpContext.Response.Headers.Add("from-feed", _customHeaderValue);
}