Notification system in frontend

- Heatmap worker now reports progress
- Base for new altitude value
- Phones can be marked active

backend/endpoints/phone.ts

@@ -7,7 +7,7 @@ import { Phone } from "../models/phone/phone.model";
 export async function GetPhone(req: LivebeatRequest, res: Response) {
     const phoneId: String = req.params['id'];
 
-    // If none id provided, return all.    
+    // If no id provided, return all.    
     if (phoneId === undefined) {
         const phone = await Phone.find({ user: req.user?._id });
         res.status(200).send(phone);
@@ -48,8 +48,7 @@ export async function PostPhone(req: LivebeatRequest, res: Response) {
     const phone = await Phone.findOne({ androidId, user: req.user?._id });
 
     if (phone !== null) {
-        logger.debug("Request to /phone failed because phone already exists.");
-        res.status(409).send();
+        res.status(409).send({ message: "This phone already exists." });
         return;
     }
     
@@ -60,7 +59,8 @@ export async function PostPhone(req: LivebeatRequest, res: Response) {
         modelName,
         operatingSystem,
         architecture,
-        user: req.user?._id
+        user: req.user?._id,
+        active: false
     });
 
     logger.info(`New device (${displayName}) registered for ${req.user?.name}.`)