public async Task<IForecast> GetForecast(ForecastFilter filter)
        {
            IForecast forecast = null;

            if (!filter.ForecastId.HasValue)
            {
                throw new ArgumentNullException("ForecastId not specified");
            }

            forecast = await Task.FromResult<IForecast>(_forecastDataStore.ForecastGet(filter.ForecastId.Value));

            if (forecast == null)
            {
                throw new ArgumentException(string.Format("Forecast {0} not found", filter.ForecastId.Value));
            }

            //await HydrateForecast(forecast);

            return forecast;
        }
 public async Task<PagedResults<ForecastSummary>> ListForecasts(ForecastFilter filter)
 {
     return await Task.FromResult<PagedResults<ForecastSummary>>(
         _forecastDataStore.ForecastGetMany(filter));
 }
        private static async Task<ForecastComparisonViewModel> GetFullAndPartialViewModelForForecasts(IDataContext context, 
                                                                                                      ForecastFilter filter)
        {
            var modelBase = SharedModelBase.GetBaseModel(context);
            var model = new ForecastComparisonViewModel(modelBase)
            {
                PageIndex = filter.PageIndex.HasValue ? filter.PageIndex.Value : 1,
                PageSize = filter.PageSize.HasValue ? filter.PageSize.Value : Int32.MaxValue,
                Configuration = context.ConfigurationSettings
            };
            model.Forecasts = await context.Forecast.ListForecasts(filter);

            return model;
        }
        public static async Task<ForecastComparisonViewModel> GetModel(IDataContext context, ForecastFilter filter)
        {
            if (filter.ForecastId.HasValue)
            {
                return await GetFullAndPartialViewModelForForecast(context, filter);
            }

            return await GetFullAndPartialViewModelForForecasts(context, filter);
        }
        public PagedResults<ForecastSummary> ForecastGetMany(ForecastFilter filter)
        {
            PagedResults<ForecastSummary> retVal;

            using (var conn = DbHelper.GetDBConnection())
            {
                try
                {
                    var para = new DynamicParameters();
                    var totalRecords = 0;
                    var totalDisplayRecords = 0;

                    if (filter.ForecastId.HasValue)
                    {
                        para.Add("@ForecastId", filter.ForecastId.Value, DbType.Int32);
                    }
                    if (!string.IsNullOrEmpty(filter.FilterMessage))
                    {
                        para.Add("@FilterMessage", filter.FilterMessage, DbType.String, size: 50);
                    }
                    if (filter.PageIndex.HasValue)
                    {
                        para.Add("@PageIndex", filter.PageIndex.Value, DbType.Int32);
                    }
                    if (filter.PageSize.HasValue)
                    {
                        para.Add("@PageSize", filter.PageSize.Value, DbType.Int32);
                    }
                    if (filter.SortIndex.HasValue)
                    {
                        para.Add("@SortIndex", filter.SortIndex.Value, DbType.Int32);
                    }
                    if (filter.SortDirection != Model.Enumerations.SortDirection.NotSet)
                    {
                        var direction = filter.SortDirection == Model.Enumerations.SortDirection.Descending ? "DESC" : "ASC";
                        para.Add("@SortDirection", direction, DbType.String);
                    }

                    // TODO implement the CDSId to get only those forecasts the user has permissions for
                    para.Add("@CDSId", CurrentCDSID, DbType.String);
                    para.Add("@TotalPages", dbType: DbType.Int32, direction: ParameterDirection.Output);
                    para.Add("@TotalRecords", dbType: DbType.Int32, direction: ParameterDirection.Output);
                    para.Add("@TotalDisplayRecords", dbType: DbType.Int32, direction: ParameterDirection.Output);

                    var results = conn.Query<ForecastSummary>("dbo.Fdp_Forecast_GetMany", para, commandType: CommandType.StoredProcedure);

                    var forecastSummaries = results as IList<ForecastSummary> ?? results.ToList();
                    if (forecastSummaries.Any())
                    {
                        totalRecords = para.Get<int>("@TotalRecords");
                        totalDisplayRecords = para.Get<int>("@TotalDisplayRecords");
                    }
                    retVal = new PagedResults<ForecastSummary>()
                    {
                        PageIndex = filter.PageIndex ?? 1,
                        TotalRecords = totalRecords,
                        TotalDisplayRecords = totalDisplayRecords,
                        PageSize = filter.PageSize ?? totalRecords
                    };

                    var currentPage = new List<ForecastSummary>();
                    foreach (var result in forecastSummaries)
                    {
                        currentPage.Add(result);
                    }

                    retVal.CurrentPage = currentPage;
                }
                catch (Exception ex)
                {
                    AppHelper.LogError("ForecastDataStore.ForecastGetMany", ex.Message, CurrentCDSID);
                    throw;
                }
            }

            return retVal;
        }