Initial commit

src/app/services/app-update.service.ts

@@ -0,0 +1,36 @@
+import { ApplicationRef, Injectable, OnInit } from '@angular/core';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { SwUpdate } from '@angular/service-worker';
+import { catchError, concat, first, from, interval, tap, throwError } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AppUpdateService implements OnInit {
+
+  constructor(readonly appRef: ApplicationRef, readonly update: SwUpdate, readonly sb: MatSnackBar) { }
+  
+  ngOnInit(): void {
+    const appIsStable = this.appRef.isStable.pipe(first(isStable => isStable === true))
+    const everyday = interval(1000 * 60 * 60 * 24)
+    const stableDay = concat(appIsStable, everyday)
+  
+    stableDay.subscribe(this.checkForUpdate)
+  }
+  
+  checkForUpdate() {
+    let ov = from(this.update.checkForUpdate())
+    return ov.pipe(catchError((err) => {
+      console.error('Failed to check for updates:', err);
+      return throwError(() => err)
+    })).pipe(tap((val)=>{
+      if (val) this.promptUser()
+    }))
+  }
+
+  promptUser() {
+    this.sb.open("Dostępna jest aktualizacja", "Restart").onAction().subscribe(() => {
+      document.location.reload()
+    })
+  }
+}