//
// Helper Methods

[EdmFunction("NerdDinnerModel.Store", "DistanceBetween")]
public static double DistanceBetween(double lat1, double long1, double lat2, double long2) {
	throw new NotImplementedException("Only call through LINQ expression");
}

public IQueryable<Dinner> NearestDinners(double latitude, double longitude) {
	return from d in entities.Dinners
			where DistanceBetween(latitude, longitude, d.Latitude, d.Longitude) < 100
			select d;
}