define getter onto banking operation line

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14323 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Banking/Document/BankingOperationLine.py

@@ -81,3 +81,25 @@ class BankingOperationLine(BaobabMixin, AccountingTransactionLine):
     return None
 
 
+  security.declareProtected(Permissions.View, 'getDestinationPaymentInternalBankAccountNumber')
+  def getDestinationPaymentInternalBankAccountNumber(self, default=None):
+    """
+    Getter for internal account number
+    """
+    dest = self.getDestinationPaymentValue(default)
+    if dest is default:
+      return default
+    else:
+      return dest.getInternalBankAccountNumber(default)
+
+  security.declareProtected(Permissions.View, 'getSourcePaymentInternalBankAccountNumber')
+  def getSourcePaymentInternalBankAccountNumber(self, default=None):
+    """
+    Getter for internal account number
+    """
+    src = self.getSourcePaymentValue(default)
+    if src is default:
+      return default
+    else:
+      return src.getInternalBankAccountNumber(default)
+