ztimson/map-alliance
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Remove user when they leave the map

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This commit is contained in:
Zakary Timson
2019-09-02 13:36:33 -04:00
parent dedeea470f
commit 86163d8fd6
4 changed files with 761 additions and 11516 deletions
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17
src/app/services/sync.service.ts
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@ -4,7 +4,6 @@ import {BehaviorSubject, combineLatest, Subscription} from "rxjs";
import {Circle, MapData, MapSymbol, Marker, Measurement, Polygon, Polyline, Position, Rectangle} from "../models/mapSymbol";
import * as _ from 'lodash';
import {map} from "rxjs/operators";
import * as firebase from "firebase";
export const LOCATION_COLLECTION = 'Users';
export const MAP_COLLECTION = 'Maps';
@ -16,14 +15,18 @@ export class SyncService {
private location;
private locationChanged = false;
private locationDoc: AngularFirestoreDocument;
private mapCode: string;
private mapDoc: AngularFirestoreDocument;
private mapChanged = false;
private mapSub: Subscription;
private saveInterval: number;
private username: string;
mapData = new BehaviorSubject<MapData>({});
constructor(private db: AngularFirestore) { }
constructor(private db: AngularFirestore) {
window.addEventListener('beforeunload', () => this.unload());
}
private addMapSymbol(s: MapSymbol, key: string) {
s.new = true;
@ -80,9 +83,10 @@ export class SyncService {
}
load(mapCode: string, username: string) {
this.mapCode = mapCode;
this.username = username;
this.mapDoc = this.db.collection(MAP_COLLECTION).doc(mapCode);
this.locationDoc = this.mapDoc.collection(LOCATION_COLLECTION).doc(username);
firebase.database().ref(`${MAP_COLLECTION}/mapCode/${LOCATION_COLLECTION}/username`).onDisconnect().remove();
this.mapSub = combineLatest(this.mapDoc.valueChanges(), this.mapDoc.collection(LOCATION_COLLECTION).snapshotChanges())
.pipe(map(data => {
@ -131,8 +135,8 @@ export class SyncService {
}
async unload() {
this.save();
if(this.saveInterval) clearInterval(this.saveInterval);
this.mapData.next({});
if(this.mapSub) {
this.mapSub.unsubscribe();
@ -148,6 +152,11 @@ export class SyncService {
this.location = null;
this.locationChanged = false;
this.locationDoc = null;
navigator.sendBeacon(`https://us-central1-mapalliance-ab38a.cloudfunctions.net/closeSession/?mapCode=${this.mapCode}&username=${this.username}`);
}
this.mapCode = null;
this.username = null;
this.mapData.next({});
}
}