Fix endpoint to check invitations

routes/profile.js

@@ -79,9 +79,9 @@ DB.getDB.then((DB)=>{
 
     router.get("/invite/:email", async (req, res) => {
         const userid = getUserId(req);
-        const email = req.body.email;
+        const email = req.params.email;
         //validate email?
-        if(email) return res.json({status: "provide valid email"});
+        if(!email) return res.json({status: "provide valid email"});
         let r = await DB.getInvitation(email);
         if(!r) return res.json({status: "no invitation found with that email"});
         return res.json({status: "ok", ... r});