make signed request to exchange

3 files changed, 174 insertions, 0 deletions

diff --git a/packages/aml-backoffice-ui/src/utils/Loading.tsx b/packages/aml-backoffice-ui/src/utils/Loading.tsx
new file mode 100644
index 000000000..7cbdad681
--- /dev/null
+++ b/packages/aml-backoffice-ui/src/utils/Loading.tsx
@@ -0,0 +1,43 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+import { h, VNode } from "preact";
+
+export function Loading(): VNode {
+  return (
+    <div
+      class="columns is-centered is-vcentered"
+      style={{
+        height: "calc(100% - 3rem)",
+        position: "absolute",
+        width: "100%",
+      }}
+    >
+      <Spinner />
+    </div>
+  );
+}
+
+export function Spinner(): VNode {
+  return (
+    <div class="lds-ring">
+      <div />
+      <div />
+      <div />
+      <div />
+    </div>
+  );
+}
diff --git a/packages/aml-backoffice-ui/src/utils/QR.tsx b/packages/aml-backoffice-ui/src/utils/QR.tsx
new file mode 100644
index 000000000..1dc1712b7
--- /dev/null
+++ b/packages/aml-backoffice-ui/src/utils/QR.tsx
@@ -0,0 +1,54 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+import { h, VNode } from "preact";
+import { useEffect, useRef } from "preact/hooks";
+// import qrcode from "qrcode-generator";
+
+export function QR({ text }: { text: string }): VNode {
+  const divRef = useRef<HTMLDivElement>(null);
+  useEffect(() => {
+    // const qr = qrcode(0, "L");
+    // qr.addData(text);
+    // qr.make();
+    // if (divRef.current)
+    //   divRef.current.innerHTML = qr.createSvgTag({
+    //     scalable: true,
+    //   });
+  });
+
+  return (
+    <div
+      style={{
+        width: "100%",
+        display: "flex",
+        flexDirection: "column",
+        alignItems: "left",
+      }}
+    >
+      <div
+        style={{
+          width: "50%",
+          minWidth: 200,
+          maxWidth: 300,
+          marginRight: "auto",
+          marginLeft: "auto",
+        }}
+        ref={divRef}
+      />
+    </div>
+  );
+}
diff --git a/packages/aml-backoffice-ui/src/utils/errors.tsx b/packages/aml-backoffice-ui/src/utils/errors.tsx
new file mode 100644
index 000000000..b67d61a5f
--- /dev/null
+++ b/packages/aml-backoffice-ui/src/utils/errors.tsx
@@ -0,0 +1,77 @@
+import {
+  ErrorType,
+  HttpResponse,
+  HttpResponsePaginated,
+  notifyError,
+  useTranslationContext,
+} from "@gnu-taler/web-util/browser";
+import { VNode, h } from "preact";
+import { Loading } from "./Loading.js";
+import { HttpStatusCode, TranslatedString } from "@gnu-taler/taler-util";
+import { AmlExchangeBackend } from "../types.js";
+
+export function handleNotOkResult<Error extends AmlExchangeBackend.AmlError>(
+  i18n: ReturnType<typeof useTranslationContext>["i18n"],
+): <T>(
+  result: HttpResponsePaginated<T, Error> | HttpResponse<T, Error>,
+) => VNode {
+  return function handleNotOkResult2<T>(
+    result: HttpResponsePaginated<T, Error> | HttpResponse<T, Error>,
+  ): VNode {
+    if (result.loading) return <Loading />;
+    if (!result.ok) {
+      switch (result.type) {
+        case ErrorType.TIMEOUT: {
+          notifyError(i18n.str`Request timeout, try again later.`, undefined);
+          break;
+        }
+        case ErrorType.CLIENT: {
+          if (result.status === HttpStatusCode.Unauthorized) {
+            notifyError(i18n.str`Wrong credentials`, undefined);
+            return <div> not authorized</div>;
+          }
+          const errorData = result.payload;
+          notifyError(
+            i18n.str`Could not load due to a client error`,
+            errorData.hint as TranslatedString,
+            JSON.stringify(result),
+          );
+          break;
+        }
+        case ErrorType.SERVER: {
+          notifyError(
+            i18n.str`Server returned with error`,
+            result.payload.hint as TranslatedString,
+            JSON.stringify(result.payload),
+          );
+          break;
+        }
+        case ErrorType.UNREADABLE: {
+          notifyError(
+            i18n.str`Unexpected error.`,
+            `Response from ${result.info?.url} is unreadable, http status: ${result.status}` as TranslatedString,
+            JSON.stringify(result),
+          );
+          break;
+        }
+        case ErrorType.UNEXPECTED: {
+          notifyError(
+            i18n.str`Unexpected error.`,
+            `Diagnostic from ${result.info?.url} is "${result.message}"` as TranslatedString,
+            JSON.stringify(result),
+          );
+          break;
+        }
+        default: {
+          assertUnreachable(result);
+        }
+      }
+
+      return <div>error</div>;
+    }
+    return <div />;
+  };
+}
+export function assertUnreachable(x: never): never {
+  throw new Error("Didn't expect to get here");
+}