R30707-1 LogisticsDocument - Validate Currency Change

Code	R30707-1
Entity	LogisticsDocument
Name	ValidateCurrencyChange
Attribute	DocumentCurrencyId
Layer	Front-End
Events	AttributeChanged(DocumentCurrencyId)
Priority	Normal
Modify	YES
Applicable Legislations	ALL // no condition needed
Action	document.IsCurrencyChangeValid(oldCurrency, newCurrency) IsCurrencyChangeValid returns true if: oldCurrency == null oldCurrency == newCurrency throw an error if: newCurrency == null (Error1) throw an error if: CurrencyDirectory is null (Error2) returns true if: there is a CurrencyDirectory and oldCurrency can be converted to newCurrency throws an error if: there is a CurrencyDirectory and oldCurrency cannot be converted to newCurrency (Error3)
Description	Validates that when changing the document currency, the conversion between those currencies is possible. In this way, we ensure that the amount conversion business rules, which are usually also triggered by the currency change, can be executed successfully.
Message	Error1: Deleting of 'Document Currency' is not allowed. If you want to change the document currency you can simply select the new currency into the field. Error2: Cannot convert '{oldCurrency.CurrencySign}' to '{newCurrency.CurrencySign}', because there is no currency directory specified. Error3: There is no conversion ratio found for currencies {oldCurrency.CurrencySign} and {newCurrency.CurrencySign} in currency directory {CurrencyDirectory.Name}. The message is also used in: R30768-8 PaymentSlip - Validate Currency Change R30968-3 Deal - Is Currency Change Valid R31465-1 Asset Order - Validate Currency Change
Version	Introduced: 2020.1
Revocable	NO

* For more information about the Business Rules Documentation Template and a short explanation of each column, see topic System Business Rules.