Added clientData

BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/BankAccess.kt

@@ -70,6 +70,15 @@ open class BankAccess(
 
     var wrongCredentialsEntered: Boolean = false
 
+    /**
+     * BankingClient specific data of this account that the client needs to fullfil its job.
+     *
+     * You should treat it as opaque data, that only makes sense to the BankingClient, and pass it back to the client if set.
+     *
+     * For fints4k e.g. contains the FinTS jobs the bank supports, FinTS specific data like KundensystemID and so on.
+     */
+    var clientData: String? = null
+
 
     @get:JsonIgnore
     open val displayName: String

FinTs4jBankingClient/src/commonMain/kotlin/net/codinux/banking/client/fints4k/FinTs4kBankingClient.kt

@@ -49,6 +49,9 @@ open class FinTs4kBankingClient(
                 if (response.finTsModel != null) {
                     finTsModel = response.finTsModel // so that basic account data doesn't have to be retrieved another time if user has multiple accounts
                 }
+                if (response.serializedFinTsModel != null) {
+                    bank.clientData = response.serializedFinTsModel
+                }
 
                 Triple(account, parameter, response)
             }

FinTs4jBankingClient/src/commonMain/kotlin/net/codinux/banking/client/fints4k/FinTs4kMapper.kt

@@ -30,6 +30,7 @@ import net.codinux.banking.fints.messages.datenelemente.implementierte.tan.TanGe
 import net.codinux.banking.fints.messages.datenelemente.implementierte.tan.TanMedium
 import net.codinux.banking.fints.messages.datenelemente.implementierte.tan.TanMediumStatus
 import net.codinux.banking.fints.model.*
+import net.codinux.banking.fints.serialization.FinTsModelSerializer
 import net.codinux.banking.fints.transactions.swift.model.Holding
 import net.dankito.banking.banklistcreator.prettifier.BankingGroupMapper
 import net.dankito.banking.client.model.parameter.TransferMoneyParameter
@@ -40,6 +41,8 @@ open class FinTs4kMapper {
 
     protected val fintsModelMapper = FinTsModelMapper()
 
+    protected val serializer = FinTsModelSerializer()
+
     protected val bankingGroupMapper = BankingGroupMapper()
 
 
@@ -68,11 +71,13 @@ open class FinTs4kMapper {
 //        val preferredTanMethods = listOf(mapTanMethodType(bank.selectedTanMethod.type)) // TODO: currently we aren't saving TanMethods in database, re-enable as soon as TanMethods get saved
         val preferredTanMethods = defaults.preferredTanMethods?.map { mapTanMethodType(it) }
 
+        val actualFinTsModel = finTsModel ?: bank.clientData?.let { serializer.deserializeFromJson(it) }
+
         return GetAccountDataParameter(bank.domesticBankCode, bank.loginName, bank.password!!, listOf(accountIdentifier), true,
             retrieveTransactions, from,
             preferredTanMethods = preferredTanMethods,
             preferredTanMedium = bank.selectedTanMediumIdentifier,
-            finTsModel = finTsModel
+            finTsModel = actualFinTsModel
         )
     }
 
@@ -88,7 +93,7 @@ open class FinTs4kMapper {
 
     open fun map(response: net.dankito.banking.client.model.response.GetAccountDataResponse, bank: BankInfo? = null): Response<GetAccountDataResponse> =
         if (response.successful && response.customerAccount != null) {
-            Response.success(GetAccountDataResponse(mapBank(response.customerAccount!!, bank)))
+            Response.success(GetAccountDataResponse(mapBank(response.customerAccount!!, bank, response.serializedFinTsModel)))
         } else {
             mapError(response)
         }
@@ -138,7 +143,7 @@ open class FinTs4kMapper {
     )
 
 
-    protected open fun mapBank(bank: net.dankito.banking.client.model.CustomerAccount, info: BankInfo? = null) = BankAccess(
+    protected open fun mapBank(bank: net.dankito.banking.client.model.CustomerAccount, info: BankInfo? = null, clientData: String? = null) = BankAccess(
         bank.bankCode, bank.loginName, bank.password,
         info?.name ?: bank.bankName, bank.bic, bank.customerName, bank.userId,
         bank.accounts.map { mapAccount(it) }.sortedBy { it.type }
@@ -150,7 +155,9 @@ open class FinTs4kMapper {
         info?.bankingGroup ?: getBankingGroup(bank.bankName, bank.bic),
         bank.finTsServerAddress,
         "de"
-    )
+    ).apply {
+        this.clientData = clientData
+    }
 
     protected open fun getBankingGroup(bankName: String, bic: String): BankingGroup? =
         bankingGroupMapper.getBankingGroup(bankName, bic)