From ae4d4647e988a6eb8e9fd87af3385371ba56ab43 Mon Sep 17 00:00:00 2001
From: Sebastian <sebasjm@gmail.com>
Date: Wed, 15 Mar 2023 09:54:31 -0300
Subject: better error handling

---
 packages/merchant-backoffice-ui/src/hooks/backend.ts | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'packages/merchant-backoffice-ui/src/hooks')

diff --git a/packages/merchant-backoffice-ui/src/hooks/backend.ts b/packages/merchant-backoffice-ui/src/hooks/backend.ts
index 93e95934e..3ab99b402 100644
--- a/packages/merchant-backoffice-ui/src/hooks/backend.ts
+++ b/packages/merchant-backoffice-ui/src/hooks/backend.ts
@@ -25,8 +25,10 @@ import { useBackendContext } from "../context/backend.js";
 import { useCallback, useEffect, useState } from "preact/hooks";
 import { useInstanceContext } from "../context/instance.js";
 import {
+  ErrorType,
   HttpResponse,
   HttpResponseOk,
+  RequestError,
   RequestOptions,
 } from "@gnu-taler/web-util/lib/index.browser";
 import { useApiContext } from "@gnu-taler/web-util/lib/index.browser";
@@ -146,14 +148,21 @@ export function useCredentialsChecker() {
   return async function testLogin(
     instance: string,
     token: string,
-  ): Promise<boolean> {
+  ): Promise<{
+    valid: boolean;
+    cause?: ErrorType;
+  }> {
     try {
       const response = await request(instance, `/private/`, {
         token,
       });
-      return true;
-    } catch (e) {
-      return false;
+      return { valid: true };
+    } catch (error) {
+      if (error instanceof RequestError) {
+        return { valid: false, cause: error.cause.type };
+      }
+
+      return { valid: false, cause: ErrorType.UNEXPECTED };
     }
   };
 }
-- 
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