Supporting invitations through geo URLs

AndroidManifest.xml

@@ -34,7 +34,9 @@
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
+                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="geo" />
+                <data android:scheme="" />
             </intent-filter>
 
            <intent-filter>

src/components/invitation/Invitation.tsx

@@ -36,6 +36,42 @@ const fetchInvitation = () => {
     });
 };
 
+export const searchInvitationInIntent = (intent: any) => {
+  if (intent.action !== 'android.intent.action.VIEW') {
+    return false;
+  }
+  let url;
+  try {
+    url = new URL(intent.data);
+  } catch (error) {
+    console.error({ caller: 'searchInvitationInIntent', intent, error });
+    return false;
+  }
+  if (url.protocol !== 'geo:') {
+    return false;
+  }
+  const q = url.search;
+  const matches = q.match(/invitation=(.+)/);
+  if (!matches) {
+    return false;
+  }
+  try {
+    const payload = matches[1];
+    const decoded = atob(payload);
+    const url = new URL(decoded);
+    setInvitation({ url });
+    fetchInvitation();
+  } catch {
+    console.warn({
+      caller: 'Invitation / searchInvitationInIntent',
+      intent,
+      matches,
+      message: 'Query is not a base64 encoded URL',
+    });
+  }
+  return true;
+};
+
 export const searchInvitation = () => {
   const hash = location.hash;
   console.log({ caller: 'Invitation / searchInvitation', hash });

src/components/invitation/index.ts

@@ -1 +1 @@
-export { default, searchInvitation } from './Invitation';
+export { default, searchInvitation, searchInvitationInIntent } from './Invitation';

src/components/map/Map.tsx

@@ -46,7 +46,11 @@ import { Overlays } from '../overlays/Overlays';
 import Finder, { findLocation } from '../finder';
 import { ZoomIn } from '@suid/icons-material';
 import Note from '../note';
-import Invitation, { searchInvitation } from '../invitation';
+import Invitation, {
+  searchInvitation,
+  searchInvitationInIntent,
+} from '../invitation';
+import { returnOrUpdate } from 'ol/extent';
 
 const [getState, setState] = createSignal({
   lon: 0,
@@ -92,6 +96,9 @@ const Map: Component = () => {
     );
     window.plugins.intentShim.onIntent(function (intent: any) {
       console.log({ caller: 'Intent receiver', intent });
+      if (searchInvitationInIntent(intent)) {
+        return;
+      }
       if (intent.action === 'android.intent.action.VIEW') {
         const url = new URL(intent.data);
         console.log({ caller: 'Intent receiver', intent, url });