add avatar endpoint

backend/src/routes/avatar.ts

@@ -0,0 +1,21 @@
+import express, {Request, Response} from 'express';
+import UserMetadata from 'supertokens-node/recipe/usermetadata';
+import {logger} from '../utilities/logger';
+
+const router = express.Router();
+
+router.get('/avatar', async (req: Request, res: Response) => {
+  logger.debug('api avatar route hit');
+  // @ts-ignore
+  const session = req.session;
+  const userId = session.getUserId();
+  const {metadata} = await UserMetadata.getUserMetadata(userId);
+  const avatarUrl = metadata.avatarUrl;
+  if (avatarUrl) {
+    res.json({avatarUrl: avatarUrl});
+  } else {
+    res.json({avatarUrl: null});
+  }
+});
+
+export default router;