taler-ios

commit 28d896ab5d3f11a0ab9f97f1a8c304f31830b5b1
parent ebd67d9a3f0dfc1c464b09386f7c18b3e86f9acb
Author: Marc Stibane <marc@taler.net>
Date:   Thu, 30 Jul 2026 09:00:06 +0200

w.i.p.: try to automatically write back totp codes after payment

Diffstat:
M
TalerWallet1/Views/HelperViews/GradientBorder.swift
 | 
13
++++++++++++-
M
TalerWallet1/Views/Transactions/TransactionPayDetailV.swift
 | 
9
++++++---

2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/TalerWallet1/Views/HelperViews/GradientBorder.swift b/TalerWallet1/Views/HelperViews/GradientBorder.swift
@@ -126,6 +126,7 @@ extension FixedWidthInteger {
 struct BorderWithNFC<Content: View>: View {
     let totpString: String                    // might be a TOTP code
     let nfcHint: Bool
+    let automaticNfc: Bool?
     let size: CGFloat
     let scanHints: (String, String)?
     var content: () -> Content
@@ -134,6 +135,7 @@ struct BorderWithNFC<Content: View>: View {
     @AppStorage("showQRauto16") var showQRauto16: Bool = true   // iOS 16 doesn't have NFC emulation
     @AppStorage("showQRauto17") var showQRauto17: Bool = false  // but iOS 17 does
     @State private var showTOTP = false
+    @State private var didWriteTOTP = false
     @ObservedObject var nfcWriter = NFCWriter()
 
     var lockImage: Image {             // 􂆉 "lock.badge.clock"
@@ -178,7 +180,16 @@ struct BorderWithNFC<Content: View>: View {
 
         if true {   // TODO: check for write capabilities
             VStack {
-                if nfcHint {    // QRCodeDetailView
+                if let automaticNfc, automaticNfc, !didWriteTOTP {
+                    Text("\(nfcLogo) Point your iPhone to the NFC device")
+                        .tint(WalletColors().primaryAccent)
+                        .task {
+                            DispatchQueue.main.asyncAfter(deadline: .now() + 0.9) {
+                                nfcWriter.write(totpData)
+                                didWriteTOTP = true
+                            }
+                        }
+                } else if nfcHint {    // QRCodeDetailView
                     if showTOTP {
                         if !minimalistic {
                             Text("\(nfcLogo) Tap for NFC")
diff --git a/TalerWallet1/Views/Transactions/TransactionPayDetailV.swift b/TalerWallet1/Views/Transactions/TransactionPayDetailV.swift
@@ -29,10 +29,13 @@ struct TransactionPayDetailV: View {
                     .listRowSeparator(.hidden)
                 let totp = Text(posConfirmation)
                     .talerFont(.title1)
+                let posConfirmationViaNfc = details.posConfirmationViaNfc
+                let isPaying = common.isDialog   // We are ALWAYS already finished with the tx
                 if #available(iOS 17.7, *) {
-                    BorderWithNFC(totpString: posConfirmation, nfcHint: true, size: 250, scanHints: nil) {
-                        totp
-                    }
+                    BorderWithNFC(totpString: posConfirmation, nfcHint: true,
+                                automaticNfc: isPaying ? posConfirmationViaNfc : false,
+                                        size: 250, scanHints: nil
+                    ) { totp }
                 } else {
                     totp
                 }