1 files changed, 43 insertions, 0 deletions
diff --git a/packages/backend/src/hooks/notification.ts b/packages/backend/src/hooks/notification.ts
new file mode 100644
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+++ b/packages/backend/src/hooks/notification.ts
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+/*
+ This file is part of GNU Taler
+ (C) 2021 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/>
+ */
+
+/**
+*
+* @author Sebastian Javier Marchano (sebasjm)
+*/
+
+import { useCallback, useState } from "preact/hooks";
+import { Notification } from '../utils/types';
+
+interface Result {
+  notification?: Notification;
+  pushNotification: (n: Notification) => void;
+  removeNotification: () => void;
+}
+
+export function useNotification(): Result {
+  const [notification, setNotifications] = useState<Notification|undefined>(undefined)
+
+  const pushNotification = useCallback((n: Notification): void => {
+    setNotifications(n)
+  },[])
+
+  const removeNotification = useCallback(() => {
+    setNotifications(undefined)
+  },[])
+
+  return { notification, pushNotification, removeNotification }
+}