.

frontend/src/services/login.service.ts

@@ -0,0 +1,30 @@
+import { AsyncSubject } from 'rxjs'
+import { HttpClient } from '@angular/common/http'
+import { Injectable } from '@angular/core'
+import { User } from '../api'
+
+
+@Injectable({ providedIn: 'root' })
+export class LoginService {
+    user: User
+    ready$ = new AsyncSubject<void>()
+
+    constructor (private http: HttpClient) {
+        this.init()
+    }
+
+    async updateUser () {
+        await this.http.put('/api/1/user', this.user).toPromise()
+    }
+
+    private async init () {
+        try {
+            this.user = await this.http.get('/api/1/user').toPromise()
+        } catch {
+            this.user = null
+        }
+
+        this.ready$.next()
+        this.ready$.complete()
+    }
+}