[wallet] Check for sufficient balance when sending funds

1 files changed, 11 insertions, 0 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
index 50438c4..aa9b0f1 100644
--- a/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
+++ b/wallet/src/main/java/net/taler/wallet/MainViewModel.kt
@@ -26,6 +26,7 @@ import androidx.lifecycle.distinctUntilChanged
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
+import net.taler.common.Amount
 import net.taler.common.Event
 import net.taler.common.assertUiThread
 import net.taler.common.toEvent
@@ -141,6 +142,16 @@ class MainViewModel(val app: Application) : AndroidViewModel(app) {
     }
 
     @UiThread
+    fun hasSufficientBalance(amount: Amount): Boolean {
+        balances.value?.forEach { balanceItem ->
+            if (balanceItem.currency == amount.currency) {
+                return balanceItem.available >= amount
+            }
+        }
+        return false
+    }
+
+    @UiThread
     fun dangerouslyReset() {
         api.sendRequest("reset")
         withdrawManager.testWithdrawalStatus.value = null