directly add song to show

src/app/modules/shows/list/list.component.ts

@@ -1,5 +1,5 @@
 import {Component} from '@angular/core';
-import {combineLatest, Observable} from 'rxjs';
+import {combineLatest} from 'rxjs';
 import {Show} from '../services/show';
 import {fade} from '../../../animations';
 import {ShowService} from '../services/show.service';
@@ -14,34 +14,27 @@ import {map} from 'rxjs/operators';
   animations: [fade],
 })
 export class ListComponent {
-  public shows$: Observable<Show[]>;
-  public publicShows$: Observable<Show[]>;
-  public lastMonths$: Observable<number>;
+  public shows$ = this.showService.list$();
+  public privateShows$ = this.showService.list$().pipe(map(show => show.filter(_ => !_.published)));
+  public lastMonths$ = this.activatedRoute.queryParams.pipe(
+    map(params => {
+      const filterValues = params as FilterValues;
+      if (!filterValues?.time) return 1;
+      return +filterValues.time;
+    })
+  );
 
-  public constructor(showService: ShowService, activatedRoute: ActivatedRoute) {
-    this.shows$ = showService.list$();
-    this.lastMonths$ = activatedRoute.queryParams.pipe(
-      map(params => {
-        const filterValues = params as FilterValues;
-        if (!filterValues?.time) return 3;
-        return +filterValues.time;
+  public publicShows$ = combineLatest([this.shows$, this.lastMonths$]).pipe(
+    map(_ =>
+      _[0].filter(f => {
+        const d = new Date();
+        d.setMonth(d.getMonth() - _[1]);
+        return f.published && f.date.toDate() >= d;
       })
-    );
+    )
+  );
 
-    this.publicShows$ = combineLatest([this.shows$, this.lastMonths$]).pipe(
-      map(_ =>
-        _[0].filter(f => {
-          const d = new Date();
-          d.setMonth(d.getMonth() - _[1]);
-          return f.published && f.date.toDate() >= d;
-        })
-      )
-    );
-  }
-
-  public getPrivateSongs(songs: Show[]): Show[] {
-    return songs.filter(_ => !_.published);
-  }
+  public constructor(private showService: ShowService, private activatedRoute: ActivatedRoute) {}
 
   public trackBy = (index: number, show: unknown) => (show as Show).id;
 }