// Data to model.
        public static BusinessModel Map( Business data )
        {
            BusinessModel model = null;

            if (data != null)
            {
                model = new BusinessModel
                {
                    Address = data.Address,
                    Category = data.Category,
                    City = data.City,
                    Id = data.Id,
                    Latitude = data.Latitude,
                    Longitude = data.Longitude,
                    Name = data.Name,
                    PhoneNumber = data.PhoneNumber,
                    State = data.State,
                };
            }

            return model;
        }
        private Business MapVenueItemToBusiness(FourSquareItem venueItem)
        {
            var business = new Business();
            business.Id = venueItem.Id;
            business.Name = venueItem.Name;
            business.Url = venueItem.Url;

            if (venueItem.Contact != null)
            {
                business.PhoneNumber = venueItem.Contact.Phone;
                business.FormattedPhoneNumber = venueItem.Contact.FormattedPhone;
            }

            if (venueItem.Categories != null && venueItem.Categories.Any())
            {
                business.Category = venueItem.Categories.First().Name;
            }

            if (venueItem.Location != null)
            {
                business.Latitude = venueItem.Location.Lat;
                business.Longitude = venueItem.Location.Lng;
                business.Distance = venueItem.Location.Distance;
                business.Address = venueItem.Location.Address;
                business.City = venueItem.Location.City;
                business.State = venueItem.Location.State;
            }

            return business;
        }