From e48d7264dec72c5daad3365e2127519fee0c8cd1 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Mon, 13 Jun 2022 16:58:11 -0700
Subject: Handle push notification tokens

---
 modern/src/common/components/NativeInterface.js | 64 +++++++++++++++++++++++++
 modern/src/index.js                             |  2 +
 modern/src/login/LoginPage.js                   |  2 +
 3 files changed, 68 insertions(+)
 create mode 100644 modern/src/common/components/NativeInterface.js

(limited to 'modern')

diff --git a/modern/src/common/components/NativeInterface.js b/modern/src/common/components/NativeInterface.js
new file mode 100644
index 00000000..75b954a8
--- /dev/null
+++ b/modern/src/common/components/NativeInterface.js
@@ -0,0 +1,64 @@
+import { useEffect, useState } from 'react';
+import { useDispatch, useSelector } from 'react-redux';
+import { useEffectAsync } from '../../reactHelper';
+import { sessionActions } from '../../store';
+
+export const nativePostMessage = (message) => {
+  if (window.webkit && window.webkit.messageHandlers.appInterface) {
+    window.webkit.messageHandlers.appInterface.postMessage(message);
+  }
+  if (window.appInterface) {
+    window.appInterface.postMessage(message);
+  }
+};
+
+const listeners = new Set();
+window.updateNotificationToken = (token) => {
+  listeners.forEach((listener) => listener(token));
+};
+
+const NativeInterface = () => {
+  const dispatch = useDispatch();
+
+  const user = useSelector((state) => state.session.user);
+  const [token, setToken] = useState(null);
+
+  useEffect(() => {
+    const listener = (token) => setToken(token);
+    listeners.add(listener);
+    return () => {
+      listeners.delete(listener);
+    };
+  }, [setToken]);
+
+  useEffectAsync(async () => {
+    if (user && token) {
+      setToken(null);
+
+      const tokens = user.attributes.notificationTokens?.split(',') || [];
+      const updatedUser = {
+        ...user,
+        attributes: {
+          ...user.attributes,
+          notificationTokens: [...tokens, token].join(','),
+        },
+      };
+
+      const response = await fetch(`/api/users/${user.id}`, {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(updatedUser),
+      });
+
+      if (response.ok) {
+        dispatch(sessionActions.updateUser(await response.json()));
+      } else {
+        throw Error(await response.text());
+      }
+    }
+  }, [user, token, setToken]);
+
+  return null;
+};
+
+export default NativeInterface;
diff --git a/modern/src/index.js b/modern/src/index.js
index dbbf2da4..bfbb5efe 100644
--- a/modern/src/index.js
+++ b/modern/src/index.js
@@ -13,6 +13,7 @@ import theme from './common/theme';
 import Navigation from './Navigation';
 import preloadImages from './map/core/preloadImages';
 import * as serviceWorkerRegistration from './serviceWorkerRegistration';
+import NativeInterface from './common/components/NativeInterface';
 
 preloadImages();
 
@@ -31,6 +32,7 @@ ReactDOM.render(
               <Navigation />
             </BrowserRouter>
             <ErrorHandler />
+            <NativeInterface />
           </ThemeProvider>
         </StyledEngineProvider>
       </LocalizationProvider>
diff --git a/modern/src/login/LoginPage.js b/modern/src/login/LoginPage.js
index 0077f6bd..34d0e7d8 100644
--- a/modern/src/login/LoginPage.js
+++ b/modern/src/login/LoginPage.js
@@ -13,6 +13,7 @@ import { useLocalization, useTranslation } from '../common/components/Localizati
 import LoginLayout from './LoginLayout';
 import usePersistedState from '../common/util/usePersistedState';
 import logoSvg from '../resources/images/logo.svg';
+import { nativePostMessage } from '../common/components/NativeInterface';
 
 const useStyles = makeStyles((theme) => ({
   legacy: {
@@ -73,6 +74,7 @@ const LoginPage = () => {
       if (response.ok) {
         const user = await response.json();
         dispatch(sessionActions.updateUser(user));
+        nativePostMessage('login');
         navigate('/');
       } else {
         throw Error(await response.text());
-- 
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