fix converting LedgerTransactionAccount to TransactionAccount (room)

the currency can't be null

having null here led to problems when saving the transaction
speculatively and account amounts are updated, because in the database
account_values.currency is declared not null

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransactionAccount.java b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransactionAccount.java
index 53b6a65f3bca893186d73bb0710719fdab8d3fae..774112acef076cd1ad78695da6a0acdcbcde40ac 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransactionAccount.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransactionAccount.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2021 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
@@ -129,7 +129,7 @@ public class LedgerTransactionAccount {
         if (amountSet)
             dbo.setAmount(amount);
         dbo.setComment(comment);
-        dbo.setCurrency(currency);
+        dbo.setCurrency(Misc.nullIsEmpty(currency));
         dbo.setId(dbId);
 
         return dbo;