taler-ios

commit 674b79152950dc59d71e588d1cabcda6a4976ef0
parent 632471e14c769bc4929fc9ca255703492a775915
Author: Marc Stibane <marc@taler.net>
Date:   Thu,  5 Nov 2026 13:17:21 +0100

AI: Error handling

Diffstat:
M
TalerWallet1/Views/Main/ErrorView.swift
 | 
30
++++++++++++++++++++++++++++++

1 file changed, 30 insertions(+), 0 deletions(-)
diff --git a/TalerWallet1/Views/Main/ErrorView.swift b/TalerWallet1/Views/Main/ErrorView.swift
@@ -102,6 +102,26 @@ enum ErrorData {
 }
 
 struct ErrorView: View {
+
+    /// wallet-core errors that are expected outcomes, rather than faults, keyed by `TalerErrorCode`.
+    static func titleForExpected(code: Int) -> String? {
+        switch code {
+            case 7054:          // WALLET_KYC_LIMIT_EXCEEDED
+                String(localized: "Limit exceeded",
+                         comment: "error title: the payment service refused the amount")
+            case 7055:          // WALLET_NO_SUITABLE_EXCHANGE
+                String(localized: "No suitable payment service",
+                         comment: "error title: no exchange can serve this request")
+            case 7064:          // WALLET_CONTRACT_TERMS_UNSUPPORTED
+                String(localized: "Transaction Error")
+            case 7000,          // WALLET_EXCHANGE_PROTOCOL_VERSION_INCOMPATIBLE
+                 7017:          // WALLET_BANK_INTEGRATION_PROTOCOL_VERSION_INCOMPATIBLE
+                String(localized: "Incompatible version",
+                         comment: "error title: the server speaks a protocol this app does not")
+            default: nil
+        }
+    }
+
     let stack: CallStack?
     var title: String
     var exclam: Bool
@@ -152,6 +172,16 @@ struct ErrorView: View {
                                 break
                             }
                             let hint = responseError.errorResponse?.hint ?? responseError.hint      // nested one preferred
+                            // Limits, quotas and similar conditions are ordinary outcomes the user can act on
+                            if let expectedTitle = Self.titleForExpected(code: code) {
+                                self.init(stack, title: expectedTitle,
+                                         exclam: false,
+                                        message: hint,
+                                     requestUrl: responseError.requestUrl,
+                                       copyable: devMode,
+                                      onDismiss: onDismiss)
+                                break
+                            }
                             if !devMode, let hint {
                                 // prefer hint for regular users
                                 self.init(stack, title: walletCoreError, message: hint, copyable: true, onDismiss: onDismiss)