public IEnumerable <tblSchedule> GenerateSchedule(ScheduleParamsModel parameters)
        {
            var dateFrom = DateHelper.StringToDate(parameters.DateFrom);
            var dateTo   = DateHelper.StringToDate(parameters.DateTo);
            var schedule = new List <tblSchedule>();
            var fakeId   = 0;

            if (!dateFrom.HasValue || !dateTo.HasValue || string.IsNullOrEmpty(parameters.LinesIds))
            {
                return(null);
            }

            using (var logic = new LineLogic())
            {
                var lines = logic.GetLinesByPlan(parameters.LinesIds.Split(',').Select(int.Parse));

                foreach (var line in lines)
                {
                    var dates = GetScheduleLineDates(line, dateFrom.Value, dateTo.Value, parameters);
                    foreach (var date in dates)
                    {
                        var item = GenerateSingleSchedule(line, date, parameters.LeaveTime, parameters.ArriveTime);
                        item.Id = fakeId++;
                        schedule.Add(item);
                    }
                }
            }
            return(schedule);
        }