Keys auf SSE umgestellt

client/src/app/shared/api.service.ts

@@ -25,7 +25,11 @@ export class ApiService {
   public settings: BehaviorSubject<Object> = new BehaviorSubject<Object>(null!);
 
 
-  constructor() { }
+  constructor() {
+    setTimeout(() => {
+      this.setupKeyFeed();
+    }, 2000)
+  }
 
   getMe(): Promise<IUser> {
     return new Promise(resolve => {
@@ -87,7 +91,7 @@ export class ApiService {
       ).subscribe({
         next: (key: IKey) => resolve(key),
         error: () => resolve(null),
-        complete: () => { this.refreshKeys(); }
+        // complete: () => { this.refreshKeys(); }
       })
     })
   }
@@ -424,4 +428,29 @@ export class ApiService {
 
     })
   }
+
+  private async setupKeyFeed() {
+    const ticket = await this.getSSETicket();
+
+    console.log(ticket)
+    const sseSource = new EventSource('api/sse/key?ticket=' + ticket);
+    sseSource.addEventListener('message', (e: MessageEvent<string>) => {
+      console.log(e.data)
+      this.keys.next(JSON.parse(e.data))
+    })
+    sseSource.addEventListener('error', (error) => {
+       console.error(error)
+    })
+  }
+
+  private getSSETicket() {
+    return new Promise<string>(resolve => {
+      this.http.get<{ ticket: string }>('api/sse/ticket').subscribe({
+        next: (ticket) => {
+          return resolve(ticket.ticket)
+          
+        }
+      })
+    })
+  }
 }