From b1acd03f70a33f069a321c6755943421330d2d8d Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Wed, 5 Aug 2020 14:31:10 -0300
Subject: [wallet] show more user-friendly error messages for operations

---
 wallet/src/main/java/net/taler/wallet/Utils.kt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'wallet/src/main/java/net/taler/wallet/Utils.kt')

diff --git a/wallet/src/main/java/net/taler/wallet/Utils.kt b/wallet/src/main/java/net/taler/wallet/Utils.kt
index e299245..ea01552 100644
--- a/wallet/src/main/java/net/taler/wallet/Utils.kt
+++ b/wallet/src/main/java/net/taler/wallet/Utils.kt
@@ -30,6 +30,7 @@ import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
 import androidx.annotation.RequiresApi
 import com.google.zxing.integration.android.IntentIntegrator
+import org.json.JSONObject
 
 fun scanQrCode(activity: Activity) {
     IntentIntegrator(activity).apply {
@@ -90,6 +91,22 @@ private fun connectToWifiDeprecated(context: Context, ssid: String) {
     }
 }
 
+fun getErrorString(json: JSONObject): String {
+    return StringBuilder().apply {
+        append(json.getString("talerErrorCode"))
+        append(" ")
+        append(json.getString("message"))
+        json.optJSONObject("details")?.let { details ->
+            details.optJSONObject("errorResponse")?.let { errorResponse ->
+                append("\n\n")
+                append(errorResponse.optString("code"))
+                append(" ")
+                append(errorResponse.optString("hint"))
+            }
+        }
+    }.toString()
+}
+
 fun cleanExchange(exchange: String) = exchange.let {
     if (it.startsWith("https://")) it.substring(8) else it
 }.trimEnd('/')
-- 
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