From c89220bc0ca2841e8412dc982d5af48897e090a1 Mon Sep 17 00:00:00 2001
From: dankito <git@dankito.net>
Date: Thu, 3 Oct 2024 21:42:45 +0200
Subject: [PATCH] Implemented catching and displaying EPC QR Code generation
 errors

---
 .../banking/ui/screens/CreateEpcQrCodeScreen.kt | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/CreateEpcQrCodeScreen.kt b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/CreateEpcQrCodeScreen.kt
index 5405605..e4c6c15 100644
--- a/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/CreateEpcQrCodeScreen.kt
+++ b/composeApp/src/commonMain/kotlin/net/codinux/banking/ui/screens/CreateEpcQrCodeScreen.kt
@@ -5,6 +5,7 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -21,7 +22,9 @@ import net.codinux.banking.ui.config.DI
 import net.codinux.banking.ui.extensions.ImeNext
 import net.codinux.banking.ui.forms.OutlinedTextField
 import net.codinux.banking.ui.forms.Select
+import net.codinux.banking.ui.model.Config.NewLine
 import net.codinux.banking.ui.service.createImageBitmap
+import net.codinux.log.Log
 
 private val epcQrCodeService = DI.epcQrCodeService
 
@@ -57,10 +60,18 @@ fun CreateEpcQrCodeScreen(onClosed: () -> Unit) {
     var informationForUser by remember { mutableStateOf("") }
 
 
+    var epcQrCodeGeneratingError by remember { mutableStateOf<String?>(null) }
+
     val epcQrCodeBytes by remember(receiverName, iban, bic, amount, reference, informationForUser) {
         derivedStateOf {
             if (receiverName.isNotBlank() && iban.isNotBlank()) {
-                epcQrCodeService.generateEpcQrCode(receiverName, iban, bic.takeUnless { it.isBlank() }, amount.takeUnless { it.isBlank() }, reference.takeUnless { it.isBlank() }, informationForUser.takeUnless { it.isBlank() })
+                try {
+                    epcQrCodeService.generateEpcQrCode(receiverName, iban, bic.takeUnless { it.isBlank() }, amount.takeUnless { it.isBlank() }, reference.takeUnless { it.isBlank() }, informationForUser.takeUnless { it.isBlank() })
+                } catch (e: Throwable) {
+                    Log.error(e) { "Could not generate EPC QR Code" }
+                    epcQrCodeGeneratingError = e.message
+                    null
+                }
             } else {
                 null
             }
@@ -74,7 +85,9 @@ fun CreateEpcQrCodeScreen(onClosed: () -> Unit) {
 
     FullscreenViewBase("EPC QR Code erstellen", "Schließen", onClosed = onClosed) {
         Column(Modifier.fillMaxWidth().verticalScroll(rememberScrollState())) {
-            if (epcQrCodeBytes == null) {
+            if (epcQrCodeGeneratingError != null) {
+                Text("QR Code konnte nicht erstellt werden:${NewLine}$epcQrCodeGeneratingError", color = MaterialTheme.colors.error, modifier = Modifier.padding(vertical = 8.dp))
+            } else if (epcQrCodeBytes == null) {
                 Text("Mit EPC QR Codes, welche als GiroCode, scan2code, ... vermarktet werden, können Überweisungsdaten ganz einfach von Banking Apps eingelesen werden.")
                 Text("Hier können Sie Ihren eigenen erstellen, so dass jemand Ihre Überweisungsdaten einlesen und Ihnen ganz schnell Geld überweisen kann.")
             } else {