public CoordinatesForSearchingAdvertisementsModel GetCoordinatesForSearchingAdvertisements(double lat, double lon, int distanceInKm)
{
double radius = ((double)distanceInKm) / 2;
var model = new CoordinatesForSearchingAdvertisementsModel();
model.LatitudeStart = lat - (radius * DEGRESS_PER_KILOMETER);
model.LatitudeEnd = lat + (radius * DEGRESS_PER_KILOMETER);
model.LongitudeStart = lon - (radius * DEGRESS_PER_KILOMETER);
model.LongitudeEnd = lon + (radius * DEGRESS_PER_KILOMETER);
model.UserLatitude = lat;
model.UserLongitude = lon;
return(model);
}
public IQueryable <AdvertisementItem> GetAdvertisementsFromDeclaredAreaSinceLastCheck(DateTime lastCheckDate, string userId, CoordinatesForSearchingAdvertisementsModel coordinatesForSearchModel)
{
return(GetAdvertisements().Where(a => a.CreationDate >= lastCheckDate && a.UserId != userId &&
a.Latitude >= coordinatesForSearchModel.LatitudeStart &&
a.Latitude <= coordinatesForSearchModel.LatitudeEnd &&
a.Longitude >= coordinatesForSearchModel.LongitudeStart &&
a.Longitude <= coordinatesForSearchModel.LongitudeEnd));
}
