1 files changed, 85 insertions, 0 deletions
diff --git a/packages/aml-backoffice-ui/src/hooks/preferences.ts b/packages/aml-backoffice-ui/src/hooks/preferences.ts
new file mode 100644
index 000000000..12e85d249
--- /dev/null
+++ b/packages/aml-backoffice-ui/src/hooks/preferences.ts
@@ -0,0 +1,85 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022-2024 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 {
+  Codec,
+  TranslatedString,
+  buildCodecForObject,
+  codecForBoolean
+} from "@gnu-taler/taler-util";
+import {
+  buildStorageKey,
+  useLocalStorage,
+  useTranslationContext,
+} from "@gnu-taler/web-util/browser";
+
+interface Preferences {
+  allowInsecurePassword: boolean;
+  keepSessionAfterReload: boolean;
+}
+
+export const codecForPreferences = (): Codec<Preferences> =>
+  buildCodecForObject<Preferences>()
+  .property("allowInsecurePassword", (codecForBoolean()))
+  .property("keepSessionAfterReload", (codecForBoolean()))
+    .build("Preferences");
+
+const defaultPreferences: Preferences = {
+  allowInsecurePassword: false,
+  keepSessionAfterReload: false,
+};
+
+const PREFERENCES_KEY = buildStorageKey(
+  "exchange-preferences",
+  codecForPreferences(),
+);
+/**
+ * User preferences.
+ *
+ * @returns tuple of [state, update()]
+ */
+export function usePreferences(): [
+  Readonly<Preferences>,
+  <T extends keyof Preferences>(key: T, value: Preferences[T]) => void,
+] {
+  const { value, update } = useLocalStorage(
+    PREFERENCES_KEY,
+    defaultPreferences,
+  );
+
+  function updateField<T extends keyof Preferences>(k: T, v: Preferences[T]) {
+    const newValue = { ...value, [k]: v };
+    update(newValue);
+  }
+  return [value, updateField];
+}
+
+export function getAllBooleanPreferences(): Array<keyof Preferences> {
+  return [
+    "allowInsecurePassword",
+    "keepSessionAfterReload",
+  ];
+}
+
+export function getLabelForPreferences(
+  k: keyof Preferences,
+  i18n: ReturnType<typeof useTranslationContext>["i18n"],
+): TranslatedString {
+  switch (k) {
+    case "allowInsecurePassword": return i18n.str`Allow Insecure password`
+    case "keepSessionAfterReload": return i18n.str`Keep session after reload`
+  }
+}