fix #7729

1 files changed, 63 insertions, 1 deletions

diff --git a/packages/demobank-ui/src/utils.ts b/packages/demobank-ui/src/utils.ts
index 49b9ac276..81dd450a4 100644
--- a/packages/demobank-ui/src/utils.ts
+++ b/packages/demobank-ui/src/utils.ts
@@ -14,7 +14,13 @@
  GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
 
-import { canonicalizeBaseUrl } from "@gnu-taler/taler-util";
+import { HttpStatusCode, TranslatedString } from "@gnu-taler/taler-util";
+import {
+  ErrorType,
+  HttpError,
+  useTranslationContext,
+} from "@gnu-taler/web-util/lib/index.browser";
+import { ErrorMessage } from "./context/pageState.js";
 
 /**
  * Validate (the number part of) an amount.  If needed,
@@ -58,6 +64,13 @@ export type WithIntermediate<Type extends object> = {
     ? WithIntermediate<Type[prop]>
     : Type[prop] | undefined;
 };
+export type RecursivePartial<T> = {
+  [P in keyof T]?: T[P] extends (infer U)[]
+    ? RecursivePartial<U>[]
+    : T[P] extends object
+    ? RecursivePartial<T[P]>
+    : T[P];
+};
 
 export enum TanChannel {
   SMS = "sms",
@@ -99,3 +112,52 @@ export enum CashoutStatus {
 
 export const PAGE_SIZE = 20;
 export const MAX_RESULT_SIZE = PAGE_SIZE * 2 - 1;
+
+export function buildRequestErrorMessage(
+  i18n: ReturnType<typeof useTranslationContext>["i18n"],
+  cause: HttpError<SandboxBackend.SandboxError>,
+  specialCases: {
+    onClientError?: (status: HttpStatusCode) => TranslatedString | undefined;
+    onServerError?: (status: HttpStatusCode) => TranslatedString | undefined;
+  } = {},
+): ErrorMessage {
+  let result: ErrorMessage;
+  switch (cause.type) {
+    case ErrorType.TIMEOUT: {
+      result = {
+        title: i18n.str`Request timeout`,
+      };
+      break;
+    }
+    case ErrorType.CLIENT: {
+      const title =
+        specialCases.onClientError && specialCases.onClientError(cause.status);
+      result = {
+        title: title ? title : i18n.str`The server didn't accept the request`,
+        description: cause.payload.error.description,
+        debug: JSON.stringify(cause),
+      };
+      break;
+    }
+    case ErrorType.SERVER: {
+      const title =
+        specialCases.onServerError && specialCases.onServerError(cause.status);
+      result = {
+        title: title
+          ? title
+          : i18n.str`The server had problems processing the request`,
+        description: cause.payload.error.description,
+        debug: JSON.stringify(cause),
+      };
+      break;
+    }
+    case ErrorType.UNEXPECTED: {
+      result = {
+        title: i18n.str`Unexpected error`,
+        debug: JSON.stringify(cause),
+      };
+      break;
+    }
+  }
+  return result;
+}