guest mode

src/app/modules/guest/guest-show.service.ts

@@ -0,0 +1,32 @@
+import {Injectable} from '@angular/core';
+import {Show} from '../shows/services/show';
+import {Song} from '../songs/services/song';
+import {GuestShowDataService} from './guest-show-data.service';
+import {ShowService} from '../shows/services/show.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class GuestShowService {
+  public constructor(
+    private showService: ShowService,
+    private guestShowDataService: GuestShowDataService
+  ) {}
+
+  public async share(show: Show, songs: Song[]): Promise<string> {
+    const data = {
+      showType: show.showType,
+      date: show.date,
+      songs: songs,
+    };
+
+    if (!show.shareId) {
+      const shareId = await this.guestShowDataService.add(data);
+      await this.showService.update$(show.id, {shareId});
+    } else {
+      await this.guestShowDataService.update$(show.shareId, data);
+    }
+
+    return window.location.protocol + '//' + window.location.host + '/guest/' + show.shareId;
+  }
+}