private static bool IsGeographicLevelIgnored(IReadOnlyList <string> line, List <string> headers)
        {
            var geographicLevel = ImporterService.GetGeographicLevel(line, headers);

            return(ImporterService.IgnoredGeographicLevels.Contains(geographicLevel));
        }
        ValidateAndCountObservations(
            DataColumnCollection cols,
            DataRowCollection rows,
            ExecutionContext executionContext,
            Guid releaseId,
            string dataFileName)
        {
            var idx           = 0;
            var filteredRows  = 0;
            var totalRowCount = 0;
            var errors        = new List <ValidationError>();
            var dataRows      = rows.Count;

            foreach (DataRow row in rows)
            {
                idx++;
                if (errors.Count == 100)
                {
                    errors.Add(new ValidationError(FirstOneHundredErrors.GetEnumLabel()));
                    break;
                }

                try
                {
                    var rowValues = CsvUtil.GetRowValues(row);
                    var colValues = CsvUtil.GetColumnValues(cols);

                    ImporterService.GetGeographicLevel(rowValues, colValues);
                    ImporterService.GetTimeIdentifier(rowValues, colValues);
                    ImporterService.GetYear(rowValues, colValues);

                    if (!IsGeographicLevelIgnored(rowValues, colValues))
                    {
                        filteredRows++;
                    }
                }
                catch (Exception e)
                {
                    errors.Add(new ValidationError($"error at row {idx}: {e.Message}"));
                }

                totalRowCount++;

                if (totalRowCount % STAGE_1_ROW_CHECK == 0)
                {
                    await _importStatusService.UpdateStatus(releaseId,
                                                            dataFileName,
                                                            IStatus.STAGE_1,
                                                            (double)totalRowCount / dataRows * 100);
                }
            }

            if (errors.Count > 0)
            {
                return(errors);
            }

            await _importStatusService.UpdateStatus(releaseId,
                                                    dataFileName,
                                                    IStatus.STAGE_1,
                                                    100);

            var rowsPerBatch = Convert.ToInt32(LoadAppSettings(executionContext).GetValue <string>("RowsPerBatch"));

            return(new ProcessorStatistics
            {
                FilteredObservationCount = filteredRows,
                RowsPerBatch = rowsPerBatch,
                NumBatches = FileStorageUtils.GetNumBatches(totalRowCount, rowsPerBatch)
            });
        }