public bool Block(string business_id, string id) { var customer = _customerService.GetById(business_id, id); bool blocked = !customer.blocked; if (blocked) { foreach (var bc in _channelService.GetChannels(business_id, 0, 100).Result.Where(c => c.active)) { _facebookService.BlockUserFromPage(bc.ext_id, customer.app_id, bc.token); } _customerService.Block(business_id, id, blocked); return(true); } return(false); }