private IEnumerable <CallModel> GetCallsForBill(int id, int month, int year)
        {
            var calls   = new List <CallModel>();
            var dbCalls = ARepo.GetCallsForLineForMonth(id, month, year);

            calls = ConvertDbToProgram.ConvertCall(dbCalls).ToList();
            return(calls);
        }
        private IEnumerable <SMSModel> GetSmssForBill(int id, int month, int year)
        {
            var smss   = new List <SMSModel>();
            var dbSMSs = ARepo.GetSMSsForLineForMonth(id, month, year);

            smss = ConvertDbToProgram.ConvertSMS(dbSMSs).ToList();
            return(smss);
        }
        private IEnumerable <CustomerModel> GetAllCustomers()
        {
            List <CustomerModel>  allCustomers       = new List <CustomerModel>();
            List <CustomerEntity> allCustomersFromDb = new List <CustomerEntity>();

            allCustomersFromDb = URepo.GetAllCustomers().ToList();

            allCustomers = ConvertDbToProgram.ConvertCustomer(allCustomersFromDb).ToList();

            return(allCustomers);
        }