From b2fb04372f322f3749ed2813cb1189ba43cd9995 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Tue, 3 Sep 2024 21:19:24 +0200
Subject: [PATCH] Updating BankAccount.bookedTransactions only if we retrieved
 transactions and adding it to existing list instead of replacing existing
 bookedTransactions list

---
 .../net/codinux/banking/fints/mapper/FinTsModelMapper.kt    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fints4k/src/commonMain/kotlin/net/codinux/banking/fints/mapper/FinTsModelMapper.kt b/fints4k/src/commonMain/kotlin/net/codinux/banking/fints/mapper/FinTsModelMapper.kt
index f5faf6a3..0f50a58c 100644
--- a/fints4k/src/commonMain/kotlin/net/codinux/banking/fints/mapper/FinTsModelMapper.kt
+++ b/fints4k/src/commonMain/kotlin/net/codinux/banking/fints/mapper/FinTsModelMapper.kt
@@ -91,7 +91,11 @@ open class FinTsModelMapper {
           bankAccount.lastTransactionsRetrievalTime = retrievalTime
         }
 
-        bankAccount.bookedTransactions = map(accountTransactionsResponse)
+        if (accountTransactionsResponse.bookedTransactions.isNotEmpty()) {
+          bankAccount.bookedTransactions = bankAccount.bookedTransactions.toMutableList().apply {
+            addAll(map(accountTransactionsResponse))
+          }
+        }
       }
     }