1 files changed, 72 insertions, 0 deletions
diff --git a/src/common/components/NativeInterface.js b/src/common/components/NativeInterface.js
new file mode 100644
index 00000000..b088de0e
--- /dev/null
+++ b/src/common/components/NativeInterface.js
@@ -0,0 +1,72 @@
+import { useEffect, useState } from 'react';
+import { useDispatch, useSelector } from 'react-redux';
+import { useEffectAsync } from '../../reactHelper';
+import { sessionActions } from '../../store';
+
+export const nativeEnvironment = window.appInterface || (window.webkit && window.webkit.messageHandlers.appInterface);
+
+export const nativePostMessage = (message) => {
+  if (window.webkit && window.webkit.messageHandlers.appInterface) {
+    window.webkit.messageHandlers.appInterface.postMessage(message);
+  }
+  if (window.appInterface) {
+    window.appInterface.postMessage(message);
+  }
+};
+
+export const handleLoginTokenListeners = new Set();
+window.handleLoginToken = (token) => {
+  handleLoginTokenListeners.forEach((listener) => listener(token));
+};
+
+const updateNotificationTokenListeners = new Set();
+window.updateNotificationToken = (token) => {
+  updateNotificationTokenListeners.forEach((listener) => listener(token));
+};
+
+const NativeInterface = () => {
+  const dispatch = useDispatch();
+
+  const user = useSelector((state) => state.session.user);
+  const [notificationToken, setNotificationToken] = useState(null);
+
+  useEffect(() => {
+    const listener = (token) => setNotificationToken(token);
+    updateNotificationTokenListeners.add(listener);
+    return () => updateNotificationTokenListeners.delete(listener);
+  }, [setNotificationToken]);
+
+  useEffectAsync(async () => {
+    if (user && !user.readonly && notificationToken) {
+      window.localStorage.setItem('notificationToken', notificationToken);
+      setNotificationToken(null);
+
+      const tokens = user.attributes.notificationTokens?.split(',') || [];
+      if (!tokens.includes(notificationToken)) {
+        const updatedUser = {
+          ...user,
+          attributes: {
+            ...user.attributes,
+            notificationTokens: [...tokens.slice(-2), notificationToken].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, notificationToken, setNotificationToken]);
+
+  return null;
+};
+
+export default NativeInterface;