87382: fixing circular dependencies

src/app/community-list-page/flat-node.model.ts

@@ -0,0 +1,22 @@
+import { Observable } from 'rxjs';
+import { Community } from '../core/shared/community.model';
+import { Collection } from '../core/shared/collection.model';
+import { ShowMoreFlatNode } from './show-more-flat-node.model';
+
+/**
+ * Each node in the tree is represented by a flatNode which contains info about the node itself and its position and
+ *  state in the tree. There are nodes representing communities, collections and show more links.
+ */
+export interface FlatNode {
+  isExpandable$: Observable<boolean>;
+  name: string;
+  id: string;
+  level: number;
+  isExpanded?: boolean;
+  parent?: FlatNode;
+  payload: Community | Collection | ShowMoreFlatNode;
+  isShowMoreNode: boolean;
+  route?: string;
+  currentCommunityPage?: number;
+  currentCollectionPage?: number;
+}