private string CalculateUnitSuffix(SettlementUnitType type) { if (SettlementData == null || SettlementData.InvoiceData == null || SettlementData.InvoiceData.MasterData == null || SettlementData.InvoiceData.MasterData.Building == null || _apartmentsList == null) { return(""); } switch (type) { default: return(""); case SettlementUnitType.ADDITIONAL_AREA: case SettlementUnitType.APARTMENT_AREA: case SettlementUnitType.TOTAL_AREA: return(" m2"); case SettlementUnitType.PER_APARTMENT: return(" mieszkań"); case SettlementUnitType.LOCATORS: return(" lokatorów"); } }