[wallet] List possibleExchanges in exchange selection for withdrawals

bug 0008300

2 files changed, 19 insertions, 4 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/exchanges/SelectExchangeFragment.kt b/wallet/src/main/java/net/taler/wallet/exchanges/SelectExchangeFragment.kt
index 61e0db5..732e0c5 100644
--- a/wallet/src/main/java/net/taler/wallet/exchanges/SelectExchangeFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/exchanges/SelectExchangeFragment.kt
@@ -18,6 +18,7 @@ package net.taler.wallet.exchanges
 
 import androidx.navigation.fragment.findNavController
 import net.taler.common.fadeOut
+import net.taler.wallet.withdraw.WithdrawStatus.ReceivedDetails
 
 class SelectExchangeFragment : ExchangeListFragment() {
 
@@ -30,17 +31,23 @@ class SelectExchangeFragment : ExchangeListFragment() {
 
     override fun onExchangeUpdate(exchanges: List<ExchangeItem>) {
         ui.progressBar.fadeOut()
-        super.onExchangeUpdate(exchanges.filter { exchangeItem ->
-            exchangeItem.currency == exchangeSelection.amount.currency
-        })
+        val status = withdrawManager.withdrawStatus.value
+        if (status is ReceivedDetails) {
+            super.onExchangeUpdate(status.possibleExchanges)
+        } else {
+            findNavController().navigateUp()
+        }
     }
 
     override fun onExchangeSelected(item: ExchangeItem) {
+        val status = withdrawManager.withdrawStatus.value
+        val exchanges = (status as? ReceivedDetails)?.possibleExchanges ?: emptyList()
         withdrawManager.getWithdrawalDetails(
             exchangeBaseUrl = item.exchangeBaseUrl,
             amount = exchangeSelection.amount,
             showTosImmediately = true,
             uri = exchangeSelection.talerWithdrawUri,
+            possibleExchanges = exchanges,
         )
         findNavController().navigateUp()
     }
diff --git a/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt b/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
index ceae7e1..34ae69f 100644
--- a/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
+++ b/wallet/src/main/java/net/taler/wallet/withdraw/WithdrawManager.kt
@@ -52,6 +52,7 @@ sealed class WithdrawStatus {
         val tosText: String,
         val tosEtag: String,
         val showImmediately: Event<Boolean>,
+        val possibleExchanges: List<ExchangeItem> = emptyList(),
     ) : WithdrawStatus()
 
     data class ReceivedDetails(
@@ -61,6 +62,7 @@ sealed class WithdrawStatus {
         val amountEffective: Amount,
         val withdrawalAccountList: List<WithdrawalExchangeAccountDetails>,
         val ageRestrictionOptions: List<Int>? = null,
+        val possibleExchanges: List<ExchangeItem> = emptyList(),
     ) : WithdrawStatus()
 
     data object Withdrawing : WithdrawStatus()
@@ -191,6 +193,7 @@ class WithdrawManager(
                 amount = details.amount,
                 showTosImmediately = false,
                 uri = uri,
+                possibleExchanges = details.possibleExchanges,
             )
         }
     }
@@ -200,6 +203,7 @@ class WithdrawManager(
         amount: Amount,
         showTosImmediately: Boolean = false,
         uri: String? = null,
+        possibleExchanges: List<ExchangeItem> = emptyList(),
     ) = scope.launch {
         withdrawStatus.value = WithdrawStatus.Loading(uri)
         api.request("getWithdrawalDetailsForAmount", ManualWithdrawalDetails.serializer()) {
@@ -216,8 +220,9 @@ class WithdrawManager(
                     amountEffective = details.amountEffective,
                     withdrawalAccountList = details.withdrawalAccountsList,
                     ageRestrictionOptions = details.ageRestrictionOptions,
+                    possibleExchanges = possibleExchanges,
                 )
-            } else getExchangeTos(exchangeBaseUrl, details, showTosImmediately, uri)
+            } else getExchangeTos(exchangeBaseUrl, details, showTosImmediately, uri, possibleExchanges)
         }
     }
 
@@ -240,6 +245,7 @@ class WithdrawManager(
         details: ManualWithdrawalDetails,
         showImmediately: Boolean,
         uri: String?,
+        possibleExchanges: List<ExchangeItem>,
     ) = scope.launch {
         api.request("getExchangeTos", TosResponse.serializer()) {
             put("exchangeBaseUrl", exchangeBaseUrl)
@@ -256,6 +262,7 @@ class WithdrawManager(
                 tosText = it.content,
                 tosEtag = it.currentEtag,
                 showImmediately = showImmediately.toEvent(),
+                possibleExchanges = possibleExchanges,
             )
         }
     }
@@ -278,6 +285,7 @@ class WithdrawManager(
                 amountEffective = s.amountEffective,
                 withdrawalAccountList = s.withdrawalAccountList,
                 ageRestrictionOptions = s.ageRestrictionOptions,
+                possibleExchanges = s.possibleExchanges,
             )
         }
     }