Fixed that when an account gets deleting its BankingClient data didn't get deleted

ui/BankingUiCommon/src/commonMain/kotlin/net/dankito/banking/ui/IBankingClient.kt

@@ -26,4 +26,6 @@ interface IBankingClient {
 
     fun dataChanged(customer: TypedCustomer)
 
+    fun deletedAccount(customer: TypedCustomer, wasLastAccountWithThisCredentials: Boolean)
+
 }

ui/BankingUiCommon/src/commonMain/kotlin/net/dankito/banking/ui/presenter/BankingPresenter.kt

@@ -246,7 +246,7 @@ open class BankingPresenter constructor(
         val wasSelected = isSingleSelectedAccount(customer) or // either account or one of its bank accounts is currently selected
                 (customer.accounts.firstOrNull { isSingleSelectedBankAccount(it) } != null)
 
-        bankingClientsForAccounts.remove(customer)
+        val client = bankingClientsForAccounts.remove(customer)
 
         val displayIndex = customer.displayIndex
 
@@ -259,6 +259,8 @@ open class BankingPresenter constructor(
             accountDisplayIndexUpdated(bank)
         }
 
+        client?.deletedAccount(customer, customers.firstOrNull { it.customerId == customer.customerId && it.bankCode == customer.bankCode} == null)
+
         callAccountsChangedListeners()
 
         if (wasSelected || areAllAccountSelected) { // to update displayed account transactions as transactions of yet deleted accounts have to be removed

ui/fints4kBankingClient/src/commonMain/kotlin/net/dankito/banking/fints4kBankingClient.kt

@@ -137,6 +137,12 @@ open class fints4kBankingClient(
         mapper.mapChangesFromUiToClientModel(customer, bank)
     }
 
+    override fun deletedAccount(customer: TypedCustomer, wasLastAccountWithThisCredentials: Boolean) {
+        if (wasLastAccountWithThisCredentials) {
+            getFints4kClientDataFile(customer).delete()
+        }
+    }
+
 
     protected open fun findAccountForBankAccount(bankAccount: TypedBankAccount, findAccountResult: (AccountData?, error: String?) -> Unit) {
         val mappedAccount = mapper.findAccountForBankAccount(bank, bankAccount)
@@ -176,7 +182,7 @@ open class fints4kBankingClient(
 
     protected open fun restoreData(customer: TypedCustomer): BankData? {
         try {
-            return serializer.deserializeObject(getFints4kClientDataFile(customer.bankCode, customer.customerId), BankData::class)
+            return serializer.deserializeObject(getFints4kClientDataFile(customer), BankData::class)
         } catch (e: Exception) {
             log.warn(e) { "Could not deserialize bank data of $customer (which is ok if bank is just about to be added)" }
         }
@@ -194,6 +200,10 @@ open class fints4kBankingClient(
         }
     }
 
+    protected open fun getFints4kClientDataFile(customer: TypedCustomer): File {
+        return getFints4kClientDataFile(customer.bankCode, customer.customerId)
+    }
+
     protected open fun getFints4kClientDataFile(bankCode: String, customerId: String): File {
         val folder = File(dataFolder, "fints4k-client")
 

ui/hbci4jBankingClient/src/main/kotlin/net/dankito/banking/hbci4jBankingClient.kt

@@ -283,6 +283,10 @@ open class hbci4jBankingClient(
         credentials.password = customer.password
     }
 
+    override fun deletedAccount(customer: TypedCustomer, wasLastAccountWithThisCredentials: Boolean) {
+        getPassportFile(credentials).delete()
+    }
+
 
     protected open fun connect(): ConnectResult {
         return connect(credentials, HBCIVersion.HBCI_300)